diff --git a/.github/ISSUE_TEMPLATE/不具合用テンプレート.md b/.github/ISSUE_TEMPLATE/不具合用テンプレート.md
new file mode 100644
index 00000000..61724e36
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/不具合用テンプレート.md
@@ -0,0 +1,17 @@
+---
+name: 不具合用テンプレート
+about: 不具合用テンプレート
+title: "[BUG]: "
+labels: バグ
+assignees: ''
+
+---
+
+# 概要
+<!-- Issueの概要 -->
+
+# 詳細
+<!-- バグの詳細 -->
+
+# 影響箇所
+<!-- 予想される影響箇所(省略可) -->
diff --git a/.github/ISSUE_TEMPLATE/改善用テンプレート.md b/.github/ISSUE_TEMPLATE/改善用テンプレート.md
new file mode 100644
index 00000000..42d1256b
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/改善用テンプレート.md
@@ -0,0 +1,17 @@
+---
+name: 改善用テンプレート
+about: 改善用テンプレート
+title: "[IMPROVE]"
+labels: ''
+assignees: ''
+
+---
+
+# 概要
+<!-- Issueの概要 -->
+
+# 詳細
+<!-- 改善内容の詳細 -->
+
+# 影響箇所
+<!-- 予想される影響箇所(省略可) -->
diff --git a/.github/ISSUE_TEMPLATE/新機能用テンプレート.md b/.github/ISSUE_TEMPLATE/新機能用テンプレート.md
index 5518f596..c3d09e6f 100644
--- a/.github/ISSUE_TEMPLATE/新機能用テンプレート.md
+++ b/.github/ISSUE_TEMPLATE/新機能用テンプレート.md
@@ -1,10 +1,20 @@
 ---
 name: 新機能用テンプレート
-about: 新規開発Issue用テンプレート
+about: 新規能用テンプレート
 title: ''
-labels: ''
+labels: 新機能
 assignees: ''
 
 ---
 
-WIP
+# 概要
+<!-- Issueの概要 -->
+
+# 詳細
+<!-- 機能の詳細 -->
+
+# 関連Issue
+<!-- 関連するIssueがあれば -->
+
+# 影響箇所
+<!-- 予想される影響箇所(省略可) -->
diff --git a/.github/PULL_REQUEST_TEMPLATE/general.md b/.github/PULL_REQUEST_TEMPLATE/general.md
new file mode 100644
index 00000000..2335a652
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE/general.md
@@ -0,0 +1,18 @@
+# 概要
+<!-- PRの概要 -->
+
+# 関連Issue
+- #000 <!-- 関連するIssueを指定(なければ省略可) -->
+
+# 詳細
+<!-- 詳細 -->
+
+# 影響箇所
+<!-- 予想される影響箇所 -->
+
+# チェック
+<!-- 参考用, 全てにチェックがついている必要があるわけではありません -->
+- [ ] 機能として完成している
+  - [ ] WIP(Work in progress: 作業中)
+- [ ] 正常にビルド/起動ができる
+- [ ] 既存の機能を壊していない
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 45c0ba13..efda47c7 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -4,7 +4,6 @@
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
-        <option name="testRunner" value="GRADLE" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="gradleJvm" value="jbr-17" />
         <option name="modules">
@@ -30,6 +29,7 @@
             <option value="$PROJECT_DIR$/shared/ui" />
             <option value="$PROJECT_DIR$/source" />
             <option value="$PROJECT_DIR$/utils" />
+            <option value="$PROJECT_DIR$/vcs" />
           </set>
         </option>
         <option name="resolveExternalAnnotations" value="false" />
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 773fe0fb..0ad17cbd 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/README.md b/README.md
index 1146cd08..436e13a0 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,46 @@ WIP
 
 ![Untitled Diagram(2)](https://github.com/lacerta-doc/Lacerta/assets/66072112/9daabaca-5cdc-49f8-ac66-196c588a47c9)
 
+## メモ
+- アイコン: Google Material Icons https://fonts.google.com/icons (Weight:300, Grade:0, Optical size: 24px)
+
+## モジュール構成
+### モジュール一覧
+- `component` : コンポーネント
+  - `common` : 共通コンポーネント
+    - UIの中で共通で使う要素(メニューアイテムとか)
+  - `scanner` : スキャナー
+    - スキャナーの実装
+  - `viewer` : ビューワー
+    - ドキュメントビューワーの実装
+- `data` : データ
+  - UIからデータを取得/保存するためのラッパーモジュール
+  - `Document` : ドキュメント関係
+    - WIP(JavaDocを参照してください, 余裕があったら追記します)
+- `feature` : 機能モジュール(ナビゲーションからみた機能で分割)
+  - `common`: 共通機能
+    - 設定画面とか、どこからでも呼ばれうる画面
+  - `debug`: デバッグメニュー
+  - `home`: ホーム画面
+  - `library`: ライブラリ画面
+  - `scan`: スキャン画面
+  - `search`: 検索画面
+- `model` : モデル
+  - データモデルをまとめたモジュール (WIP)
+  - `document` : ドキュメント
+  - `meta` : メタデータ
+- `processor` : プロセッサ
+  - いくつかの処理をまとめたモジュール
+    - `DocumentProcessor` : ドキュメント処理（ドキュメントにページを追加したり更新したり） 
+- `shared` : 
+  - 共有リソース
+- `source` : ソース
+  - (バックエンドが使うのでとりあえず後回し、フロントから直接操作することは絶対にありません)
+- `utils` : ユーティリティ
+  - ちょっとしたユーティリティをまとめたモジュール
+  - `LacertaLogger` : ロガー
+  - `XmlMetaParser` : XMLメタデータパーサー(フロントから直接操作することは絶対にありません)
+
 
 ## コーディング規則/推奨(WIP)
 ### 規則
diff --git a/app/build.gradle b/app/build.gradle
index e0a75c39..4db4c74d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -11,13 +11,35 @@ android {
         applicationId "one.nem.lacerta"
         minSdk 26
         targetSdk 33
+
+        // ベータ, Internal, Release問わず毎回インクリメントする
+        // https://developer.android.com/studio/publish/versioning#versioningsettings
         versionCode 1
-        versionName "1.0"
+        versionName "0.1.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     buildTypes {
+        debug { // 開発メンバー用
+            debuggable true
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+
+            matchingFallbacks = ['release']
+        }
+        internal_release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+
+            matchingFallbacks = ['release']
+        }
+        beta_release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+
+            matchingFallbacks = ['release']
+        }
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 6ad838c8..a5ae62e6 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -2,6 +2,17 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-feature
+        android:name="android.hardware.camera"
+        android:required="false" />
+    <uses-permission android:name="android.permission.CAMERA" />
+
+    <queries>
+        <intent>
+            <action android:name="android.media.action.IMAGE_CAPTURE" />
+        </intent>
+    </queries>
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -22,6 +33,16 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="one.nem.lacerta.provider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths" />
+        </provider>
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/res/xml/provider_path.xml b/app/src/main/res/xml/provider_path.xml
new file mode 100644
index 00000000..d2e2c8de
--- /dev/null
+++ b/app/src/main/res/xml/provider_path.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <cache-path name="cache" path="." />
+</paths>
diff --git a/component/scanner/build.gradle b/component/scanner/build.gradle
index ee9a16a8..61a9b1de 100644
--- a/component/scanner/build.gradle
+++ b/component/scanner/build.gradle
@@ -1,5 +1,6 @@
 plugins {
     alias(libs.plugins.com.android.library)
+    id 'com.google.dagger.hilt.android'
 }
 
 android {
@@ -33,5 +34,16 @@ dependencies {
     androidTestImplementation libs.androidx.test.ext.junit
     androidTestImplementation libs.androidx.test.espresso.core
 
+    // Hilt (DI)
+    implementation libs.com.google.dagger.hilt.android
+    annotationProcessor libs.com.google.dagger.hilt.compiler
+
     implementation 'com.websitebeaver:documentscanner:1.0.0'
+
+    implementation project(':shared:ui')
+    implementation project(':model')
+
+    implementation project(':processor')
+
+    implementation project(':utils')
 }
\ No newline at end of file
diff --git a/component/scanner/src/main/java/one/nem/lacerta/component/scanner/CaptureResultAdapter.java b/component/scanner/src/main/java/one/nem/lacerta/component/scanner/CaptureResultAdapter.java
new file mode 100644
index 00000000..949e28d6
--- /dev/null
+++ b/component/scanner/src/main/java/one/nem/lacerta/component/scanner/CaptureResultAdapter.java
@@ -0,0 +1,55 @@
+package one.nem.lacerta.component.scanner;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.ArrayList;
+
+public class CaptureResultAdapter extends RecyclerView.Adapter<CaptureResultAdapter.ViewHolder> {
+    private final ArrayList<CapturedData> results;
+
+    public CaptureResultAdapter(ArrayList<CapturedData> results) {
+        this.results = results;
+    }
+
+    @Override
+    public CaptureResultAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_scanner_component_manager_stub, parent, false);
+        return new CaptureResultAdapter.ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(CaptureResultAdapter.ViewHolder holder, int position) {
+        CapturedData result = results.get(position);
+        holder.textViewPath.setText(result.getPath());
+        holder.textViewResolutionHeight.setText(result.getResolutionHeight());
+        holder.textViewResolutionWidth.setText(result.getResolutionWidth());
+        holder.imageView.setImageBitmap(result.getBitmap());
+    }
+
+    @Override
+    public int getItemCount() {
+        return results.size();
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder {
+
+        public TextView textViewPath;
+        public TextView textViewResolutionHeight;
+        public TextView textViewResolutionWidth;
+        public ImageView imageView;
+
+        public ViewHolder(View view) {
+            super(view);
+            textViewPath = view.findViewById(R.id.textViewPath);
+            textViewResolutionHeight = view.findViewById(R.id.textViewResHeight);
+            textViewResolutionWidth = view.findViewById(R.id.textViewResWidth);
+            imageView = view.findViewById(R.id.imageViewResult);
+        }
+    }
+}
\ No newline at end of file
diff --git a/component/scanner/src/main/java/one/nem/lacerta/component/scanner/CapturedData.java b/component/scanner/src/main/java/one/nem/lacerta/component/scanner/CapturedData.java
new file mode 100644
index 00000000..2b6441d5
--- /dev/null
+++ b/component/scanner/src/main/java/one/nem/lacerta/component/scanner/CapturedData.java
@@ -0,0 +1,44 @@
+package one.nem.lacerta.component.scanner;
+
+import android.graphics.Bitmap;
+
+public class CapturedData {
+
+    private String path;
+    private String resolutionHeight;
+    private String resolutionWidth;
+    private String size;
+    private Bitmap bitmap;
+
+    // Constructor
+
+    public CapturedData(String path, String resolutionHeight, String resolutionWidth, String size, Bitmap bitmap) {
+        this.path = path;
+        this.resolutionHeight = resolutionHeight;
+        this.resolutionWidth = resolutionWidth;
+        this.size = size;
+        this.bitmap = bitmap;
+    }
+
+    // Getters
+
+    public String getPath() {
+        return path;
+    }
+
+    public String getResolutionHeight() {
+        return resolutionHeight;
+    }
+
+    public String getResolutionWidth() {
+        return resolutionWidth;
+    }
+
+    public String getSize() {
+        return size;
+    }
+
+    public Bitmap getBitmap() {
+        return bitmap;
+    }
+}
diff --git a/component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerDataManagerStubFragment.java b/component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerDataManagerStubFragment.java
new file mode 100644
index 00000000..043f5cb7
--- /dev/null
+++ b/component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerDataManagerStubFragment.java
@@ -0,0 +1,250 @@
+package one.nem.lacerta.component.scanner;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.graphics.Bitmap;
+import android.net.Uri;
+import android.os.Bundle;
+
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.core.content.FileProvider;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.os.Environment;
+import android.provider.MediaStore;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import java.io.File;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.Locale;
+import java.util.UUID;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.model.document.DocumentDetail;
+import one.nem.lacerta.model.document.DocumentMeta;
+import one.nem.lacerta.model.document.path.DocumentPath;
+import one.nem.lacerta.processor.DocumentProcessor;
+import one.nem.lacerta.processor.factory.DocumentProcessorFactory;
+
+import one.nem.lacerta.utils.LacertaLogger;
+
+import one.nem.lacerta.utils.repository.DeviceInfoUtils;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link ScannerDataManagerStubFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+@AndroidEntryPoint
+public class ScannerDataManagerStubFragment extends Fragment {
+
+    // TODO-rca: 時間があったらcacheを使うようにする？
+
+    // Results
+    private ArrayList<CapturedData> results = new ArrayList<>();
+
+    private Uri photoURI;
+
+    private DocumentDetail documentDetail;
+
+    private DocumentProcessor documentProcessor;
+
+    @Inject
+    DocumentProcessorFactory documentProcessorFactory;
+
+    @Inject
+    LacertaLogger logger;
+
+    @Inject
+    DeviceInfoUtils deviceInfoUtils;
+
+    private final ActivityResultLauncher<Intent> cameraLauncher = registerForActivityResult(
+            new ActivityResultContracts.StartActivityForResult(),
+            result -> {
+                if (result.getResultCode() == Activity.RESULT_OK) {
+                    try {
+                        if (getActivity() == null) {
+                            Log.d("ScannerDataManagerStubFragment", "getActivity() is null");
+                            return;
+                        }
+                        if (photoURI == null) {
+                            Log.d("ScannerDataManagerStubFragment", "photoURI is null");
+                            Toast.makeText(getActivity(), "photoURI is null", Toast.LENGTH_LONG).show();
+                            return;
+                        }
+                        Bitmap imageBitmap = MediaStore.Images.Media.getBitmap(getActivity().getContentResolver(), photoURI);
+                        results.add(new CapturedData("Placeholder", Integer.toString(imageBitmap.getHeight()), Integer.toString(imageBitmap.getWidth()), "Placeholder", imageBitmap));
+                    } catch (IOException e) {
+                        Log.e("ScannerDataManagerStubFragment", "Error occurred while reading the file", e);
+                    }
+                }
+            }
+    );
+
+    public ScannerDataManagerStubFragment() {
+        // Required empty public constructor
+    }
+    // TODO: Rename and change types and number of parameters
+    public static ScannerDataManagerStubFragment newInstance() {
+        ScannerDataManagerStubFragment fragment = new ScannerDataManagerStubFragment();
+        Bundle args = new Bundle();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_scanner_data_manager_stub, container, false);
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        view.findViewById(R.id.button_call_camera).setOnClickListener(v -> {
+            Log.d("ScannerDataManagerStubFragment", "button_call_camera clicked");
+            Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
+            if (takePictureIntent.resolveActivity(getActivity().getPackageManager()) != null) {
+                File photoFile = null;
+                try {
+                    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.US).format(new Date());
+                    String imageFileName = "JPEG_" + timeStamp + "_";
+                    File storageDir = getActivity().getExternalFilesDir(Environment.DIRECTORY_PICTURES);
+                    photoFile = File.createTempFile(imageFileName, ".jpg", storageDir);
+                } catch (IOException ex) {
+                    Log.e("ScannerDataManagerStubFragment", "Error occurred while creating the file", ex);
+                }
+                if (photoFile != null) {
+                    photoURI = FileProvider.getUriForFile(getActivity(), "one.nem.lacerta.provider", photoFile);
+                    takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoURI);
+                    cameraLauncher.launch(takePictureIntent);
+                }
+                else {
+                    Log.d("ScannerDataManagerStubFragment", "photoFile is null");
+                }
+            }
+            else {
+                Log.d("ScannerDataManagerStubFragment", "camera not available");
+            }
+            updateResults();
+        });
+
+        view.findViewById(R.id.button_create_documnent).setOnClickListener(v -> {
+            Log.d("ScannerDataManagerStubFragment", "button_create_documnent clicked");
+            Toast.makeText(getActivity(), "button_create_documnent clicked", Toast.LENGTH_LONG).show();
+
+            this.documentDetail = createSampleDocumentDetail();
+
+        });
+
+        view.findViewById(R.id.button_init_document_processor).setOnClickListener(v -> {
+            Log.d("ScannerDataManagerStubFragment", "button_init_document_processor clicked");
+            Toast.makeText(getActivity(), "button_init_document_processor clicked", Toast.LENGTH_LONG).show();
+            // TODO-rca: ここでDocumentProcessorを初期化する
+            if (this.documentDetail == null) {
+                Toast.makeText(getActivity(), "documentDetail is null", Toast.LENGTH_LONG).show();
+                return;
+            }
+            this.documentProcessor = documentProcessorFactory.create(this.documentDetail);
+            Toast.makeText(getActivity(), "documentProcessor created", Toast.LENGTH_LONG).show();
+            try {
+                this.documentProcessor.init();
+            } catch (Exception e) {
+                Toast.makeText(getActivity(), "Error occurred while initializing documentProcessor", Toast.LENGTH_LONG).show();
+                Log.e("ScannerDataManagerStubFragment", "Error occurred while initializing documentProcessor", e);
+            }
+            Toast.makeText(getActivity(), "documentProcessor initialized", Toast.LENGTH_LONG).show();
+        });
+
+        view.findViewById(R.id.button_add_page).setOnClickListener(v -> {
+            Log.d("ScannerDataManagerStubFragment", "button_add_page clicked");
+            Toast.makeText(getActivity(), "button_add_page clicked", Toast.LENGTH_LONG).show();
+            if (this.documentProcessor == null) {
+                Toast.makeText(getActivity(), "documentProcessor is null", Toast.LENGTH_LONG).show();
+                return;
+            }
+            Bitmap[] bitmaps = new Bitmap[results.size()];
+            for (int i = 0; i < results.size(); i++) {
+                bitmaps[i] = results.get(i).getBitmap();
+            }
+
+            try {
+                this.documentProcessor.addNewPagesToLast(bitmaps);
+            } catch (Exception e) {
+                Toast.makeText(getActivity(), "Error occurred while adding pages", Toast.LENGTH_LONG).show();
+                Log.e("ScannerDataManagerStubFragment", "Error occurred while adding pages", e);
+            }
+
+            Toast.makeText(getActivity(), "pages added", Toast.LENGTH_LONG).show();
+
+            try {
+                this.documentProcessor.close();
+            } catch (Exception e) {
+                Toast.makeText(getActivity(), "Error occurred while closing documentProcessor", Toast.LENGTH_LONG).show();
+                Log.e("ScannerDataManagerStubFragment", "Error occurred while closing documentProcessor", e);
+            }
+        });
+    }
+
+    public DocumentDetail createSampleDocumentDetail() {
+
+        String id = UUID.randomUUID().toString();
+
+        Toast.makeText(getActivity(), "Generated id: " + id, Toast.LENGTH_LONG).show();
+        //logger.debug("CreateSample", "Generated id: " + id);
+
+        DocumentMeta meta = new DocumentMeta(
+                id,
+                "Sample" + DateTimeFormatter.ofPattern("yyyyMMddHHmmss").format(LocalDateTime.now()),
+                new Date(),
+                new Date());
+
+        DocumentPath path = new DocumentPath(
+                deviceInfoUtils.getExternalStorageDirectoryString(),
+                "Sample" + DateTimeFormatter.ofPattern("yyyyMMddHHmmss").format(LocalDateTime.now()));
+
+        return new DocumentDetail(meta, path, "SampleAuthor", "SampleDefaultBranch");
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        Log.d("ScannerDataManagerStubFragment", "onResume");
+        updateResults();
+    }
+
+    public void updateResults() {
+        Log.d("ScannerDataManagerStubFragment", "updateResults");
+
+        // TODO-rca: エラーハンドリング
+        RecyclerView recyclerView = getView().findViewById(R.id.result_recycler_view);
+
+        recyclerView.setLayoutManager(new androidx.recyclerview.widget.LinearLayoutManager(getContext()));
+        recyclerView.setAdapter(new CaptureResultAdapter(this.results));
+
+
+    }
+
+}
\ No newline at end of file
diff --git a/component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerScanFragment.java b/component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerScanFragment.java
deleted file mode 100644
index 54ba513e..00000000
--- a/component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerScanFragment.java
+++ /dev/null
@@ -1,75 +0,0 @@
-package one.nem.lacerta.component.scanner;
-
-import android.graphics.BitmapFactory;
-import android.os.Bundle;
-
-import androidx.constraintlayout.utils.widget.ImageFilterView;
-import androidx.fragment.app.Fragment;
-
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-import com.websitebeaver.documentscanner.DocumentScanner;
-
-/**
- * A simple {@link Fragment} subclass.
- * Use the {@link ScannerScanFragment#newInstance} factory method to
- * create an instance of this fragment.
- */
-public class ScannerScanFragment extends Fragment {
-
-    // TODO: Rename parameter arguments, choose names that match
-    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
-//    private static final String MAX_SCAN_COUNT = "max_scan_count"; // 規定値
-
-    // TODO: Rename and change types of parameters
-    private String mParam1;
-
-
-    public ScannerScanFragment() {
-        // Required empty public constructor
-    }
-
-    public static ScannerScanFragment newInstance(String param1) {
-        ScannerScanFragment fragment = new ScannerScanFragment();
-        Bundle args = new Bundle();
-//        args.putString(MAX_SCAN_COUNT, param1);
-        fragment.setArguments(args);
-        return fragment;
-    }
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        if (getArguments() != null) {
-//            mParam1 = getArguments().getString(MAX_SCAN_COUNT);
-//            scan(Integer.parseInt(mParam1));
-        }
-    }
-
-
-    public DocumentScanner getDocumentScanner() {
-        return new DocumentScanner(
-                this,
-                (croppedImageResults) -> {
-                    // display the first cropped image
-                    croppedImageView.setImageBitmap(
-                            BitmapFactory.decodeFile(croppedImageResults.get(0))
-                    );
-                    return null;
-                },
-                (errorMessage) -> {
-                    // an error happened
-                    return null;
-                },
-                () -> {
-                    // user canceled document scan
-                    return null;
-                },
-                null,
-                null,
-                null
-        );
-    }
-}
\ No newline at end of file
diff --git a/component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerScanResultFragment.java b/component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerScanResultFragment.java
deleted file mode 100644
index beffe3d0..00000000
--- a/component/scanner/src/main/java/one/nem/lacerta/component/scanner/ScannerScanResultFragment.java
+++ /dev/null
@@ -1,64 +0,0 @@
-package one.nem.lacerta.component.scanner;
-
-import android.os.Bundle;
-
-import androidx.fragment.app.Fragment;
-
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-
-/**
- * A simple {@link Fragment} subclass.
- * Use the {@link ScannerScanResultFragment#newInstance} factory method to
- * create an instance of this fragment.
- */
-public class ScannerScanResultFragment extends Fragment {
-
-    // TODO: Rename parameter arguments, choose names that match
-    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
-    private static final String ARG_PARAM1 = "param1";
-    private static final String ARG_PARAM2 = "param2";
-
-    // TODO: Rename and change types of parameters
-    private String mParam1;
-    private String mParam2;
-
-    public ScannerScanResultFragment() {
-        // Required empty public constructor
-    }
-
-    /**
-     * Use this factory method to create a new instance of
-     * this fragment using the provided parameters.
-     *
-     * @param param1 Parameter 1.
-     * @param param2 Parameter 2.
-     * @return A new instance of fragment ScannerScanResultFragment.
-     */
-    // TODO: Rename and change types and number of parameters
-    public static ScannerScanResultFragment newInstance(String param1, String param2) {
-        ScannerScanResultFragment fragment = new ScannerScanResultFragment();
-        Bundle args = new Bundle();
-        args.putString(ARG_PARAM1, param1);
-        args.putString(ARG_PARAM2, param2);
-        fragment.setArguments(args);
-        return fragment;
-    }
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        if (getArguments() != null) {
-            mParam1 = getArguments().getString(ARG_PARAM1);
-            mParam2 = getArguments().getString(ARG_PARAM2);
-        }
-    }
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
-        // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_scanner_scan_result, container, false);
-    }
-}
\ No newline at end of file
diff --git a/component/scanner/src/main/res/layout/fragment_scanner_data_manager_stub.xml b/component/scanner/src/main/res/layout/fragment_scanner_data_manager_stub.xml
new file mode 100644
index 00000000..61753a90
--- /dev/null
+++ b/component/scanner/src/main/res/layout/fragment_scanner_data_manager_stub.xml
@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:theme="@style/Theme.Lacerta"
+    tools:context=".ScannerDataManagerStubFragment" >
+
+    <LinearLayout
+        android:id="@+id/action_button_container"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:weightSum="2"
+        android:orientation="horizontal"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/button_call_camera"
+            style="@style/Widget.Material3.Button.IconButton.Filled"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="16px"
+            android:layout_weight="1"
+            android:text="Call camera" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/init_button_container"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:orientation="horizontal"
+        android:weightSum="2"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/action_button_container">
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/button_create_documnent"
+            style="@style/Widget.Material3.Button.IconButton.Filled"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_margin="16px"
+            android:layout_weight="1"
+            android:text="Create Doc Obj" />
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/button_init_document_processor"
+            style="@style/Widget.Material3.Button.IconButton.Filled"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_margin="16px"
+            android:layout_weight="1"
+            android:text="Init Processor" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/doc_button_container"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:weightSum="2"
+        android:orientation="horizontal"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/init_button_container">
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/button_add_page"
+            style="@style/Widget.Material3.Button.IconButton.Filled"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="16px"
+            android:layout_weight="1"
+            android:text="Add page to last" />
+
+    </LinearLayout>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/result_recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/doc_button_container" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/component/scanner/src/main/res/layout/fragment_scanner_scan.xml b/component/scanner/src/main/res/layout/fragment_scanner_scan.xml
deleted file mode 100644
index cf20c76f..00000000
--- a/component/scanner/src/main/res/layout/fragment_scanner_scan.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".ScannerScanFragment">
-
-    <!-- TODO: Update blank fragment layout -->
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:text="@string/hello_blank_fragment" />
-
-</FrameLayout>
\ No newline at end of file
diff --git a/component/scanner/src/main/res/layout/fragment_scanner_scan_result.xml b/component/scanner/src/main/res/layout/fragment_scanner_scan_result.xml
deleted file mode 100644
index 2ecaf967..00000000
--- a/component/scanner/src/main/res/layout/fragment_scanner_scan_result.xml
+++ /dev/null
@@ -1,133 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    tools:context=".MainActivity">
-
-    <androidx.constraintlayout.utils.widget.ImageFilterView
-        android:id="@+id/cropped_image_view"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="vertical"
-        app:layout_constraintBottom_toTopOf="@+id/linear_layout_buttons">
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:orientation="horizontal"
-            android:layout_margin="12dp">
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="match_parent"
-                android:layout_weight="0"
-                android:text="Saturation" />
-
-            <SeekBar
-                android:id="@+id/seekBar_saturation"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:max="200"
-                android:progress="100"/>
-        </LinearLayout>
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:orientation="horizontal"
-            android:layout_margin="12dp">
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="match_parent"
-                android:layout_weight="0"
-                android:text="Contrast" />
-
-            <SeekBar
-                android:id="@+id/seekBar_contrast"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:max="200"
-                android:progress="100"/>
-        </LinearLayout>
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:orientation="horizontal"
-            android:layout_margin="12dp">
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="match_parent"
-                android:layout_weight="0"
-                android:text="Brightness" />
-
-            <SeekBar
-                android:id="@+id/seekBar_brightness"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:max="200"
-                android:progress="100"
-                android:layout_weight="1"/>
-        </LinearLayout>
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:orientation="horizontal"
-            android:layout_margin="12dp">
-
-            <TextView
-                android:layout_width="wrap_content"
-                android:layout_height="match_parent"
-                android:layout_weight="0"
-                android:text="Warmth" />
-
-            <SeekBar
-                android:id="@+id/seekBar_warmth"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:max="500"
-                android:progress="100"
-                android:layout_weight="1"/>
-        </LinearLayout>
-
-    </LinearLayout>
-
-    <LinearLayout
-        android:id="@+id/linear_layout_buttons"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:orientation="horizontal"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent">
-
-        <Button
-            android:id="@+id/button_save_image"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:insetLeft="12dp"
-            android:insetRight="12dp"
-            android:text="Save Image" />
-
-        <Button
-            android:id="@+id/button_kill_me"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:insetLeft="12dp"
-            android:insetRight="12dp"
-            android:text="Kill me" />
-    </LinearLayout>
-
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/component/scanner/src/main/res/layout/list_item_scanner_component_manager_stub.xml b/component/scanner/src/main/res/layout/list_item_scanner_component_manager_stub.xml
new file mode 100644
index 00000000..a7a91966
--- /dev/null
+++ b/component/scanner/src/main/res/layout/list_item_scanner_component_manager_stub.xml
@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_margin="24px">
+
+    <ImageView
+        android:id="@+id/imageViewResult"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:srcCompat="@android:drawable/presence_video_online"
+        android:adjustViewBounds="true"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/imageViewResult">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="2"
+                android:text="Resolution:"
+                android:textIsSelectable="false"
+                android:textSize="16sp" />
+
+            <TextView
+                android:id="@+id/textViewResHeight"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="Height"
+                android:textIsSelectable="false"
+                android:textSize="16sp" />
+
+            <TextView
+                android:id="@+id/textViewResWidth"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="Width"
+                android:textIsSelectable="false"
+                android:textSize="16sp" />
+
+        </LinearLayout>
+
+        <TextView
+            android:id="@+id/textViewPath"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="Path"
+            android:textIsSelectable="false"
+            android:textSize="16sp" />
+
+    </LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/data/build.gradle b/data/build.gradle
index 10a00015..4615289e 100644
--- a/data/build.gradle
+++ b/data/build.gradle
@@ -41,6 +41,9 @@ dependencies {
     // JGit
     implementation 'org.eclipse.jgit:org.eclipse.jgit:6.8.0.202311291450-r'
 
+    // Java Faker
+    implementation 'com.github.javafaker:javafaker:1.0.2'
+
     // Room
     implementation libs.androidx.room.runtime
     annotationProcessor libs.androidx.room.compiler
diff --git a/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java b/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java
new file mode 100644
index 00000000..408a9171
--- /dev/null
+++ b/data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java
@@ -0,0 +1,22 @@
+package one.nem.lacerta.data;
+
+import one.nem.lacerta.model.ListItemType;
+
+import one.nem.lacerta.model.LibraryItemPage;
+import one.nem.lacerta.model.document.DocumentDetail;
+
+public interface LacertaLibrary {
+
+    // Get History
+    LibraryItemPage getRecentDocument(int limit);
+    LibraryItemPage getRecentDocument(int limit, int offset);
+
+    // Get Library page
+    LibraryItemPage getLibraryPage(int limit);
+    LibraryItemPage getLibraryPage(int limit, int offset);
+    LibraryItemPage getLibraryPage(String pageId, int limit);
+    LibraryItemPage getLibraryPage(String pageId, int limit, int offset);
+
+    // GetDocument
+    DocumentDetail getDocumentDetailById(String id);
+}
diff --git a/data/src/main/java/one/nem/lacerta/data/LacertaSearch.java b/data/src/main/java/one/nem/lacerta/data/LacertaSearch.java
new file mode 100644
index 00000000..04e27783
--- /dev/null
+++ b/data/src/main/java/one/nem/lacerta/data/LacertaSearch.java
@@ -0,0 +1,13 @@
+package one.nem.lacerta.data;
+
+import java.util.ArrayList;
+
+import one.nem.lacerta.model.ListItem;
+
+public interface LacertaSearch {
+
+    ArrayList<ListItem> autoSearch(String query, int limit);
+
+    ArrayList<ListItem> autoSearch(String query, int limit, int offset);
+
+}
diff --git a/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java b/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
new file mode 100644
index 00000000..49f7303a
--- /dev/null
+++ b/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java
@@ -0,0 +1,42 @@
+package one.nem.lacerta.data.impl;
+
+import one.nem.lacerta.data.LacertaLibrary;
+import one.nem.lacerta.model.LibraryItemPage;
+import one.nem.lacerta.model.document.DocumentDetail;
+
+public class LacertaLibraryImpl implements LacertaLibrary {
+    @Override
+    public LibraryItemPage getRecentDocument(int limit) {
+        return null;
+    }
+
+    @Override
+    public LibraryItemPage getRecentDocument(int limit, int offset) {
+        return null;
+    }
+
+    @Override
+    public LibraryItemPage getLibraryPage(int limit) {
+        return null;
+    }
+
+    @Override
+    public LibraryItemPage getLibraryPage(int limit, int offset) {
+        return null;
+    }
+
+    @Override
+    public LibraryItemPage getLibraryPage(String pageId, int limit) {
+        return null;
+    }
+
+    @Override
+    public LibraryItemPage getLibraryPage(String pageId, int limit, int offset) {
+        return null;
+    }
+
+    @Override
+    public DocumentDetail getDocumentDetailById(String id) {
+        return null;
+    }
+}
diff --git a/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryStubImpl.java b/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryStubImpl.java
new file mode 100644
index 00000000..55129bba
--- /dev/null
+++ b/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryStubImpl.java
@@ -0,0 +1,219 @@
+package one.nem.lacerta.data.impl;
+
+import one.nem.lacerta.data.LacertaLibrary;
+import one.nem.lacerta.model.LibraryItemPage;
+import one.nem.lacerta.model.ListItem;
+import one.nem.lacerta.model.ListItemType;
+import one.nem.lacerta.model.document.DocumentDetail;
+
+import one.nem.lacerta.model.document.DocumentMeta;
+import one.nem.lacerta.model.document.path.DocumentPath;
+import one.nem.lacerta.utils.LacertaLogger;
+
+import com.github.javafaker.DateAndTime;
+import com.github.javafaker.Faker;
+
+import java.text.DateFormat;
+import java.util.ArrayList;
+import java.util.Objects;
+import java.util.UUID;
+
+import javax.inject.Inject;
+
+/**
+ * LacertaLibraryのスタブ実装
+ */
+public class LacertaLibraryStubImpl implements LacertaLibrary {
+
+    LacertaLogger logger;
+
+    Faker faker;
+
+    @Inject
+    public LacertaLibraryStubImpl(LacertaLogger logger) {
+        faker = new Faker(); // Init Faker
+        this.logger = logger;
+        logger.debug("LibraryStub", "Initialized");
+    }
+
+    // Internal Methods
+
+    // Generate Stub Data
+    private LibraryItemPage generateStubLibraryItemPage(int limit, String pageId) {
+        logger.debug("LibraryStub", "generateStubLibraryItemPage");
+        ArrayList<ListItem> listItems = new ArrayList<>();
+        int itemTotal = faker.number().numberBetween(1, limit); // 実際に返却するアイテム数を決定
+        int folderTotal;
+        // フォルダ数の抽選
+        if (itemTotal > 4) {
+            folderTotal = faker.number().numberBetween(1, itemTotal - 2);
+        }
+        else {
+            if (itemTotal > 2) {
+                folderTotal = 1;
+            }
+            else { // ドキュメント数がゼロにならないように
+                folderTotal = 0;
+            }
+        }
+        int documentTotal = itemTotal - folderTotal; // ドキュメント数を決定
+        logger.debug("LibraryStub", "itemTotal: " + itemTotal);
+        logger.debug("LibraryStub", "folderTotal: " + folderTotal);
+        logger.debug("LibraryStub", "documentTotal: " + documentTotal);
+
+        // フォルダを生成
+        for (int i = 0; i < folderTotal; i++) {
+            listItems.add(generateStubListItem(ListItemType.ITEM_TYPE_FOLDER));
+        }
+        // ドキュメントを生成
+        for (int i = 0; i < documentTotal; i++) {
+            listItems.add(generateStubListItem(ListItemType.ITEM_TYPE_DOCUMENT));
+        }
+
+        LibraryItemPage libraryItemPage = new LibraryItemPage();
+        libraryItemPage.setListItems(listItems);
+        if (pageId == null) {
+            libraryItemPage.setPageId(UUID.randomUUID().toString());
+        } else {
+            libraryItemPage.setPageId(pageId);
+        }
+        libraryItemPage.setPageTitle("FakePage" + faker.number().digits(3));
+
+        return libraryItemPage;
+    }
+
+    private ListItem generateStubListItem(ListItemType itemType) {
+        if (itemType == ListItemType.ITEM_TYPE_FOLDER) {
+            ListItem listItem = new ListItem();
+            listItem.setTitle("FakeFolder" + faker.number().digits(3));
+            listItem.setDescription("Updated at " + DateFormat.getDateTimeInstance().format(faker.date().birthday()));
+            listItem.setItemType(ListItemType.ITEM_TYPE_FOLDER);
+            listItem.setItemId(UUID.randomUUID().toString());
+            return listItem;
+        } else if (itemType == ListItemType.ITEM_TYPE_DOCUMENT) {
+            ListItem listItem = new ListItem();
+            listItem.setTitle("FakeDocument" + faker.book().title());
+            listItem.setDescription("Updated at " + DateFormat.getDateTimeInstance().format(faker.date().birthday()));
+            listItem.setItemType(ListItemType.ITEM_TYPE_DOCUMENT);
+            listItem.setItemId(UUID.randomUUID().toString());
+            return listItem;
+        } else {
+            return null;
+        }
+    }
+
+    private LibraryItemPage getRecentDocumentPage(int limit) {
+        int itemTotal = faker.number().numberBetween(1, limit);
+        ArrayList<ListItem> listItems = new ArrayList<>();
+        for (int i = 0; i < itemTotal; i++) {
+            listItems.add(generateStubListItem(ListItemType.ITEM_TYPE_DOCUMENT));
+        }
+        // DescriptionからDateを抽出して新しい順にソート
+        listItems.sort((a, b) -> {
+            String aDate = a.getDescription().substring(11);
+            String bDate = b.getDescription().substring(11);
+            return bDate.compareTo(aDate);
+        });
+        LibraryItemPage libraryItemPage = new LibraryItemPage();
+        libraryItemPage.setListItems(listItems);
+        libraryItemPage.setPageId(UUID.randomUUID().toString());
+        libraryItemPage.setPageTitle("RecentDocument");
+        return libraryItemPage;
+    }
+
+    private DocumentDetail generateStubDocumentDetail(String id) throws IllegalArgumentException {
+
+        if (Objects.isNull(id)) {
+            throw new IllegalArgumentException("id is null");
+        }
+
+        DocumentMeta documentMeta = new DocumentMeta();
+        documentMeta.setId(id);
+        documentMeta.setTitle("FakeDocument" + faker.book().title());
+        documentMeta.setCreatedAt(faker.date().birthday());
+        documentMeta.setUpdatedAt(faker.date().birthday()); // TODO-rca: 更新日のほうが古くなることがあるのでなんとかする？
+        ArrayList<String> tagIds = new ArrayList<>();
+
+        DocumentDetail documentDetail = new DocumentDetail();
+        documentDetail.setMeta(documentMeta);
+        documentDetail.setPath(null); // TODO-rca: なんとかする
+        documentDetail.setAuthor(faker.name().fullName());
+        documentDetail.setRepository(null); // TODO-rca: なんとかする
+        return documentDetail;
+    }
+
+    /**
+     * 履歴ページを取得する
+     * @param limit 取得するアイテム数
+     * @return ページオブジェクト
+     */
+    @Override
+    public LibraryItemPage getRecentDocument(int limit) {
+        return getRecentDocumentPage(limit);
+    }
+
+    /**
+     * 履歴ページを取得する
+     * @param limit 取得するアイテム数
+     * @param offset 取得するアイテムのオフセット
+     * @return ページオブジェクト
+     */
+    @Override
+    public LibraryItemPage getRecentDocument(int limit, int offset) {
+        return getRecentDocumentPage(limit);
+    }
+
+    /**
+     * ライブラリページを取得する
+     * @param limit 取得するアイテム数
+     * @return ページオブジェクト
+     */
+    @Override
+    public LibraryItemPage getLibraryPage(int limit) {
+        return generateStubLibraryItemPage(limit, null);
+    }
+
+    /**
+     * ライブラリページを取得する
+     * @param limit 取得するアイテム数
+     * @param offset 取得するアイテムのオフセット
+     * @return ページオブジェクト
+     */
+    @Override
+    public LibraryItemPage getLibraryPage(int limit, int offset) {
+        return generateStubLibraryItemPage(limit, null);
+    }
+
+    /**
+     * ライブラリページを取得する
+     * @param pageId ページID
+     * @param limit 取得するアイテム数
+     * @return ページオブジェクト
+     */
+    @Override
+    public LibraryItemPage getLibraryPage(String pageId, int limit) {
+        return generateStubLibraryItemPage(limit, pageId);
+    }
+
+    /**
+     * ライブラリページを取得する
+     * @param pageId ページID
+     * @param limit 取得するアイテム数
+     * @param offset 取得するアイテムのオフセット
+     * @return ページオブジェクト
+     */
+    @Override
+    public LibraryItemPage getLibraryPage(String pageId, int limit, int offset) {
+        return generateStubLibraryItemPage(limit, pageId);
+    }
+
+    /**
+     * ドキュメント詳細を取得する
+     * @param id ドキュメントID
+     * @return ドキュメント詳細オブジェクト
+     */
+    @Override
+    public DocumentDetail getDocumentDetailById(String id) throws IllegalArgumentException {
+        return generateStubDocumentDetail(id);
+    }
+}
diff --git a/data/src/main/java/one/nem/lacerta/data/impl/LacertaSearchStubImpl.java b/data/src/main/java/one/nem/lacerta/data/impl/LacertaSearchStubImpl.java
new file mode 100644
index 00000000..b6076cfd
--- /dev/null
+++ b/data/src/main/java/one/nem/lacerta/data/impl/LacertaSearchStubImpl.java
@@ -0,0 +1,51 @@
+package one.nem.lacerta.data.impl;
+
+import java.util.ArrayList;
+
+import javax.inject.Inject;
+
+import one.nem.lacerta.data.LacertaSearch;
+import one.nem.lacerta.model.ListItem;
+
+import one.nem.lacerta.data.LacertaLibrary;
+import one.nem.lacerta.utils.LacertaLogger;
+
+public class LacertaSearchStubImpl implements LacertaSearch {
+
+    private LacertaLibrary library;
+    private LacertaLogger logger;
+
+
+    @Inject
+    public LacertaSearchStubImpl(LacertaLibrary library, LacertaLogger logger) {
+        this.library = library;
+        this.logger = logger;
+    }
+
+    /**
+     * 検索
+     * @param query 検索クエリ
+     * @param limit 最大取得件数
+     * @return 検索結果
+     */
+    @Override
+    public ArrayList<ListItem> autoSearch(String query, int limit) {
+        logger.debug("SearchStub", "autoSearch");
+        logger.debug("SearchStub", "query: " + query);
+        return library.getLibraryPage(limit).getListItems();
+    }
+
+    /**
+     * 検索
+     * @param query 検索クエリ
+     * @param limit 最大取得件数
+     * @param offset オフセット
+     * @return 検索結果
+     */
+    @Override
+    public ArrayList<ListItem> autoSearch(String query, int limit, int offset) {
+        logger.debug("SearchStub", "autoSearch");
+        logger.debug("SearchStub", "query: " + query);
+        return library.getLibraryPage(limit, offset).getListItems();
+    }
+}
diff --git a/data/src/main/java/one/nem/lacerta/data/module/LacertaLibraryModule.java b/data/src/main/java/one/nem/lacerta/data/module/LacertaLibraryModule.java
new file mode 100644
index 00000000..6c98e653
--- /dev/null
+++ b/data/src/main/java/one/nem/lacerta/data/module/LacertaLibraryModule.java
@@ -0,0 +1,21 @@
+package one.nem.lacerta.data.module;
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.hilt.InstallIn;
+import dagger.hilt.android.components.FragmentComponent;
+import dagger.hilt.migration.DisableInstallInCheck;
+
+import one.nem.lacerta.data.LacertaLibrary;
+import one.nem.lacerta.data.impl.LacertaLibraryStubImpl;
+import one.nem.lacerta.utils.LacertaLogger;
+
+@Module
+// Fragmentにinstall
+@InstallIn(FragmentComponent.class)
+abstract public class LacertaLibraryModule {
+
+    @Binds
+    public abstract LacertaLibrary bindLacertaLibrary(LacertaLibraryStubImpl impl);
+
+}
diff --git a/data/src/main/java/one/nem/lacerta/data/module/LacertaSearchModule.java b/data/src/main/java/one/nem/lacerta/data/module/LacertaSearchModule.java
new file mode 100644
index 00000000..3357fb42
--- /dev/null
+++ b/data/src/main/java/one/nem/lacerta/data/module/LacertaSearchModule.java
@@ -0,0 +1,16 @@
+package one.nem.lacerta.data.module;
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.hilt.InstallIn;
+import dagger.hilt.android.components.FragmentComponent;
+import one.nem.lacerta.data.LacertaSearch;
+import one.nem.lacerta.data.impl.LacertaSearchStubImpl;
+
+@Module
+@InstallIn(FragmentComponent.class)
+abstract public class LacertaSearchModule {
+
+    @Binds
+    public abstract LacertaSearch bindLacertaSearch(LacertaSearchStubImpl impl);
+}
diff --git a/feature/debug/build.gradle b/feature/debug/build.gradle
index 54afd119..aaa83e36 100644
--- a/feature/debug/build.gradle
+++ b/feature/debug/build.gradle
@@ -62,4 +62,13 @@ dependencies {
     // Shared
     implementation project(':shared:ui')
 
+    // Scanner
+    implementation project(':component:scanner')
+
+    // Processor
+    implementation project(':processor')
+
+    // LacertaVcs
+    implementation project(':vcs')
+
 }
\ No newline at end of file
diff --git a/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuDocProcessorTesterFragment.java b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuDocProcessorTesterFragment.java
new file mode 100644
index 00000000..c144a934
--- /dev/null
+++ b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuDocProcessorTesterFragment.java
@@ -0,0 +1,44 @@
+package one.nem.lacerta.feature.debug;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link DebugMenuDocProcessorTesterFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class DebugMenuDocProcessorTesterFragment extends Fragment {
+    public DebugMenuDocProcessorTesterFragment() {
+        // Required empty public constructor
+    }
+
+    public static DebugMenuDocProcessorTesterFragment newInstance() {
+        DebugMenuDocProcessorTesterFragment fragment = new DebugMenuDocProcessorTesterFragment();
+        Bundle args = new Bundle();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View view = inflater.inflate(R.layout.fragment_debug_menu_doc_processor_tester, container, false);
+
+
+
+        return view;
+    }
+}
\ No newline at end of file
diff --git a/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuLibraryItemListPageFragment.java b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuLibraryItemListPageFragment.java
new file mode 100644
index 00000000..a6be2bb4
--- /dev/null
+++ b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuLibraryItemListPageFragment.java
@@ -0,0 +1,115 @@
+package one.nem.lacerta.feature.debug;
+
+import android.os.Bundle;
+
+import androidx.annotation.AnimatorRes;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.data.LacertaLibrary;
+
+import one.nem.lacerta.model.LibraryItemPage;
+import one.nem.lacerta.model.document.DocumentDetail;
+import one.nem.lacerta.model.ListItem;
+import one.nem.lacerta.model.ListItemType;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link DebugMenuLibraryItemListPageFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+@AndroidEntryPoint
+public class DebugMenuLibraryItemListPageFragment extends Fragment {
+
+    @Inject
+    LacertaLibrary lacertaLibrary;
+
+    public DebugMenuLibraryItemListPageFragment() {
+        // Required empty public constructor
+    }
+
+    public static DebugMenuLibraryItemListPageFragment newInstance() {
+        DebugMenuLibraryItemListPageFragment fragment = new DebugMenuLibraryItemListPageFragment();
+        Bundle args = new Bundle();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View view = inflater.inflate(R.layout.fragment_debug_menu_library_item_list_page, container, false);
+
+        LibraryItemPage libraryItemPage = lacertaLibrary.getRecentDocument(10);
+        for (ListItem listItem : libraryItemPage.getListItems()) {
+            System.out.println(listItem.getTitle());
+        }
+
+        RecyclerView recyclerView = view.findViewById(R.id.item_recycler_view);
+        recyclerView.setAdapter(new ItemAdapter(libraryItemPage.getListItems()));
+
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+
+        return view;
+    }
+
+    private class ItemAdapter extends RecyclerView.Adapter<ItemAdapter.ItemViewHolder> {
+        private ArrayList<ListItem> listItems;
+
+        public ItemAdapter(ArrayList<ListItem> listItems) {
+            this.listItems = listItems;
+        }
+
+        @Override
+        public ItemViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+            View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_item_debug_menu_document, parent, false);
+            return new ItemViewHolder(view);
+        }
+
+        @Override
+        public void onBindViewHolder(ItemViewHolder holder, int position) {
+            ListItem listItem = listItems.get(position);
+            holder.document_list_item_title.setText(listItem.getTitle());
+            holder.document_list_item_description.setText(listItem.getDescription());
+            holder.document_list_item_updated_at.setText(listItem.getItemType().toString());
+        }
+
+        @Override
+        public int getItemCount() {
+            return listItems.size();
+        }
+
+        public class ItemViewHolder extends RecyclerView.ViewHolder {
+
+            TextView document_list_item_title;
+            TextView document_list_item_description;
+            TextView document_list_item_updated_at;
+
+
+            public ItemViewHolder(View itemView) {
+                super(itemView);
+                document_list_item_title = itemView.findViewById(R.id.document_list_item_title);
+                document_list_item_description = itemView.findViewById(R.id.document_list_item_description);
+                document_list_item_updated_at = itemView.findViewById(R.id.document_list_item_updated_at);
+            }
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuTopFragment.java b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuTopFragment.java
index 26cb3c3b..92e50e6b 100644
--- a/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuTopFragment.java
+++ b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuTopFragment.java
@@ -12,6 +12,7 @@ import android.view.ViewGroup;
 import java.util.ArrayList;
 import java.util.List;
 
+import dagger.hilt.android.AndroidEntryPoint;
 import one.nem.lacerta.feature.debug.common.adapter.DebugMenuListItemAdapter;
 import one.nem.lacerta.feature.debug.common.model.DebugMenuListItem;
 
@@ -20,6 +21,7 @@ import one.nem.lacerta.feature.debug.common.model.DebugMenuListItem;
  * Use the {@link DebugMenuTopFragment#newInstance} factory method to
  * create an instance of this fragment.
  */
+@AndroidEntryPoint
 public class DebugMenuTopFragment extends Fragment {
     public DebugMenuTopFragment() {
         // Required empty public constructor
@@ -46,8 +48,10 @@ public class DebugMenuTopFragment extends Fragment {
         recyclerView.setLayoutManager(new androidx.recyclerview.widget.LinearLayoutManager(getContext()));
         List<DebugMenuListItem> debugMenuListItems = new ArrayList<>();
 
-        debugMenuListItems.add(new DebugMenuListItem("Meta Data", "View meta data", R.id.action_debugMenuTopFragment_to_debugMenuMetaDataFragment, true));
         debugMenuListItems.add(new DebugMenuListItem("Document Tester", "placeholder", R.id.action_debugMenuTopFragment_to_debugMenuDocumentTesterTopFragment, true));
+        debugMenuListItems.add(new DebugMenuListItem("Scanner", "placeholder", R.id.action_debugMenuTopFragment_to_scannerDataManagerStubFragment, true));
+        debugMenuListItems.add(new DebugMenuListItem("Document List", "placeholder", R.id.action_debugMenuTopFragment_to_debugMenuLibraryItemListPageFragment, true));
+        debugMenuListItems.add(new DebugMenuListItem("VCS", "placeholder", R.id.action_debugMenuTopFragment_to_debugMenuVcsGeneralFragment, true));
 
         DebugMenuListItemAdapter adapter = new DebugMenuListItemAdapter(debugMenuListItems);
         recyclerView.setAdapter(adapter);
diff --git a/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuVcsGeneralActionFragment.java b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuVcsGeneralActionFragment.java
new file mode 100644
index 00000000..6b97b63f
--- /dev/null
+++ b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuVcsGeneralActionFragment.java
@@ -0,0 +1,58 @@
+package one.nem.lacerta.feature.debug;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import javax.inject.Inject;
+
+import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.vcs.LacertaVcs;
+import one.nem.lacerta.vcs.factory.LacertaVcsFactory;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link DebugMenuVcsGeneralActionFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+
+@AndroidEntryPoint
+public class DebugMenuVcsGeneralActionFragment extends Fragment {
+
+    @Inject
+    LacertaVcsFactory lacertaVcsFactory;
+
+    public DebugMenuVcsGeneralActionFragment() {
+        // Required empty public constructor
+    }
+
+    public static DebugMenuVcsGeneralActionFragment newInstance() {
+        DebugMenuVcsGeneralActionFragment fragment = new DebugMenuVcsGeneralActionFragment();
+        Bundle args = new Bundle();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View view = inflater.inflate(R.layout.fragment_debug_menu_vcs_general_action, container, false);
+
+        view.findViewById(R.id.add_sample_log_rev_button).setOnClickListener(v -> {
+            LacertaVcs lacertaVcs = lacertaVcsFactory.create("example_id");
+            lacertaVcs.insertPage(1, "example_id");
+        });
+
+        return view;
+    }
+}
\ No newline at end of file
diff --git a/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuVcsGeneralFragment.java b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuVcsGeneralFragment.java
new file mode 100644
index 00000000..8437c82c
--- /dev/null
+++ b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuVcsGeneralFragment.java
@@ -0,0 +1,59 @@
+package one.nem.lacerta.feature.debug;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import one.nem.lacerta.feature.debug.common.adapter.DebugMenuListItemAdapter;
+import one.nem.lacerta.feature.debug.common.model.DebugMenuListItem;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link DebugMenuVcsGeneralFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class DebugMenuVcsGeneralFragment extends Fragment {
+    public DebugMenuVcsGeneralFragment() {
+        // Required empty public constructor
+    }
+
+    public static DebugMenuVcsGeneralFragment newInstance() {
+        DebugMenuVcsGeneralFragment fragment = new DebugMenuVcsGeneralFragment();
+        Bundle args = new Bundle();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View view = inflater.inflate(R.layout.fragment_debug_menu_vcs_general, container, false);
+
+        RecyclerView recyclerView = view.findViewById(R.id.recycler_view);
+        recyclerView.setLayoutManager(new androidx.recyclerview.widget.LinearLayoutManager(getContext()));
+        List<DebugMenuListItem> debugMenuListItems = new ArrayList<>();
+
+        debugMenuListItems.add(new DebugMenuListItem("General Action", "placeholder", R.id.action_debugMenuVcsGeneralFragment_to_debugMenuVcsGeneralActionFragment, true));
+        debugMenuListItems.add(new DebugMenuListItem("Log Record", "placeholder", R.id.action_debugMenuVcsGeneralFragment_to_debugMenuVcsLogRecordFragment, true));
+        debugMenuListItems.add(new DebugMenuListItem("Rev Record", "placeholder", R.id.action_debugMenuVcsGeneralFragment_to_debugMenuVcsRevRecordFragment, true));
+
+        DebugMenuListItemAdapter adapter = new DebugMenuListItemAdapter(debugMenuListItems);
+        recyclerView.setAdapter(adapter);
+
+        return view;
+    }
+}
\ No newline at end of file
diff --git a/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuVcsLogRecordFragment.java b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuVcsLogRecordFragment.java
new file mode 100644
index 00000000..300a2475
--- /dev/null
+++ b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuVcsLogRecordFragment.java
@@ -0,0 +1,42 @@
+package one.nem.lacerta.feature.debug;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link DebugMenuVcsLogRecordFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class DebugMenuVcsLogRecordFragment extends Fragment {
+
+    public DebugMenuVcsLogRecordFragment() {
+        // Required empty public constructor
+    }
+
+    public static DebugMenuVcsLogRecordFragment newInstance() {
+        DebugMenuVcsLogRecordFragment fragment = new DebugMenuVcsLogRecordFragment();
+        Bundle args = new Bundle();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View view = inflater.inflate(R.layout.fragment_debug_menu_vcs_log_record, container, false);
+
+        return view;
+    }
+}
\ No newline at end of file
diff --git a/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuMetaDataFragment.java b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuVcsRevRecordFragment.java
similarity index 62%
rename from feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuMetaDataFragment.java
rename to feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuVcsRevRecordFragment.java
index 6427a262..c26b2fc2 100644
--- a/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuMetaDataFragment.java
+++ b/feature/debug/src/main/java/one/nem/lacerta/feature/debug/DebugMenuVcsRevRecordFragment.java
@@ -10,16 +10,16 @@ import android.view.ViewGroup;
 
 /**
  * A simple {@link Fragment} subclass.
- * Use the {@link DebugMenuMetaDataFragment#newInstance} factory method to
+ * Use the {@link DebugMenuVcsRevRecordFragment#newInstance} factory method to
  * create an instance of this fragment.
  */
-public class DebugMenuMetaDataFragment extends Fragment {
-    public DebugMenuMetaDataFragment() {
+public class DebugMenuVcsRevRecordFragment extends Fragment {
+    public DebugMenuVcsRevRecordFragment() {
         // Required empty public constructor
     }
 
-    public static DebugMenuMetaDataFragment newInstance() {
-        DebugMenuMetaDataFragment fragment = new DebugMenuMetaDataFragment();
+    public static DebugMenuVcsRevRecordFragment newInstance() {
+        DebugMenuVcsRevRecordFragment fragment = new DebugMenuVcsRevRecordFragment();
         Bundle args = new Bundle();
         fragment.setArguments(args);
         return fragment;
@@ -34,6 +34,8 @@ public class DebugMenuMetaDataFragment extends Fragment {
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_debug_menu_meta_data, container, false);
+        View view = inflater.inflate(R.layout.fragment_debug_menu_vcs_rev_record, container, false);
+
+        return view;
     }
 }
\ No newline at end of file
diff --git a/feature/debug/src/main/res/layout/fragment_debug_menu_doc_processor_tester.xml b/feature/debug/src/main/res/layout/fragment_debug_menu_doc_processor_tester.xml
new file mode 100644
index 00000000..bb931a16
--- /dev/null
+++ b/feature/debug/src/main/res/layout/fragment_debug_menu_doc_processor_tester.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:theme="@style/Theme.Lacerta"
+    tools:context=".DebugMenuDocProcessorTesterFragment" >
+
+    <LinearLayout
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="1dp"
+        android:layout_marginTop="1dp"
+        android:layout_marginEnd="1dp"
+        android:orientation="vertical"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <com.google.android.material.button.MaterialButton
+                android:id="@+id/button_gen_random_img"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="Generate random image" />
+
+        </LinearLayout>
+    </LinearLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/feature/debug/src/main/res/layout/fragment_debug_menu_library_item_list_page.xml b/feature/debug/src/main/res/layout/fragment_debug_menu_library_item_list_page.xml
new file mode 100644
index 00000000..0e184902
--- /dev/null
+++ b/feature/debug/src/main/res/layout/fragment_debug_menu_library_item_list_page.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".DebugMenuLibraryItemListPageFragment">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/item_recycler_view"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/feature/debug/src/main/res/layout/fragment_debug_menu_meta_data.xml b/feature/debug/src/main/res/layout/fragment_debug_menu_meta_data.xml
deleted file mode 100644
index b79c51dc..00000000
--- a/feature/debug/src/main/res/layout/fragment_debug_menu_meta_data.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".DebugMenuMetaDataFragment">
-
-    <!-- TODO: Update blank fragment layout -->
-
-
-
-</FrameLayout>
\ No newline at end of file
diff --git a/feature/debug/src/main/res/layout/fragment_debug_menu_vcs_general.xml b/feature/debug/src/main/res/layout/fragment_debug_menu_vcs_general.xml
new file mode 100644
index 00000000..21cd13a8
--- /dev/null
+++ b/feature/debug/src/main/res/layout/fragment_debug_menu_vcs_general.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".DebugMenuVcsGeneralFragment">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler_view"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/feature/debug/src/main/res/layout/fragment_debug_menu_vcs_general_action.xml b/feature/debug/src/main/res/layout/fragment_debug_menu_vcs_general_action.xml
new file mode 100644
index 00000000..147a0424
--- /dev/null
+++ b/feature/debug/src/main/res/layout/fragment_debug_menu_vcs_general_action.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".DebugMenuVcsGeneralActionFragment">
+
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical" >
+
+            <Button
+                android:id="@+id/add_sample_log_rev_button"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="Add Sample log/Rev" />
+        </LinearLayout>
+    </ScrollView>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/feature/debug/src/main/res/layout/fragment_debug_menu_vcs_log_record.xml b/feature/debug/src/main/res/layout/fragment_debug_menu_vcs_log_record.xml
new file mode 100644
index 00000000..c8fcdc32
--- /dev/null
+++ b/feature/debug/src/main/res/layout/fragment_debug_menu_vcs_log_record.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".DebugMenuVcsGeneralFragment">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/log_recycler_view"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/feature/debug/src/main/res/layout/fragment_debug_menu_vcs_rev_record.xml b/feature/debug/src/main/res/layout/fragment_debug_menu_vcs_rev_record.xml
new file mode 100644
index 00000000..757f8d8a
--- /dev/null
+++ b/feature/debug/src/main/res/layout/fragment_debug_menu_vcs_rev_record.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".DebugMenuVcsGeneralFragment">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/rev_recycler_view"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/feature/debug/src/main/res/navigation/feature_debug_internal_navigation.xml b/feature/debug/src/main/res/navigation/feature_debug_internal_navigation.xml
index 0a784b2b..d0f2126d 100644
--- a/feature/debug/src/main/res/navigation/feature_debug_internal_navigation.xml
+++ b/feature/debug/src/main/res/navigation/feature_debug_internal_navigation.xml
@@ -10,18 +10,19 @@
         android:name="one.nem.lacerta.feature.debug.DebugMenuTopFragment"
         android:label="fragment_debug_menu_top"
         tools:layout="@layout/fragment_debug_menu_top" >
-        <action
-            android:id="@+id/action_debugMenuTopFragment_to_debugMenuMetaDataFragment"
-            app:destination="@id/debugMenuMetaDataFragment" />
         <action
             android:id="@+id/action_debugMenuTopFragment_to_debugMenuDocumentTesterTopFragment"
             app:destination="@id/debugMenuDocumentTesterTopFragment" />
+        <action
+            android:id="@+id/action_debugMenuTopFragment_to_scannerDataManagerStubFragment"
+            app:destination="@id/scannerDataManagerStubFragment" />
+        <action
+            android:id="@+id/action_debugMenuTopFragment_to_debugMenuLibraryItemListPageFragment"
+            app:destination="@id/debugMenuLibraryItemListPageFragment" />
+        <action
+            android:id="@+id/action_debugMenuTopFragment_to_debugMenuVcsGeneralFragment"
+            app:destination="@id/debugMenuVcsGeneralFragment" />
     </fragment>
-    <fragment
-        android:id="@+id/debugMenuMetaDataFragment"
-        android:name="one.nem.lacerta.feature.debug.DebugMenuMetaDataFragment"
-        android:label="fragment_debug_menu_meta_data"
-        tools:layout="@layout/fragment_debug_menu_meta_data" />
     <fragment
         android:id="@+id/debugMenuDocumentTesterTopFragment"
         android:name="one.nem.lacerta.feature.debug.DebugMenuDocumentTesterTopFragment"
@@ -44,4 +45,43 @@
         android:name="one.nem.lacerta.feature.debug.DebugMenuDocumentTesterManageFragment"
         android:label="fragment_debug_menu_document_tester_manage"
         tools:layout="@layout/fragment_debug_menu_document_tester_manage" />
+    <fragment
+        android:id="@+id/scannerDataManagerStubFragment"
+        android:name="one.nem.lacerta.component.scanner.ScannerDataManagerStubFragment"
+        android:label="ScannerDataManagerStubFragment" />
+    <fragment
+        android:id="@+id/debugMenuLibraryItemListPageFragment"
+        android:name="one.nem.lacerta.feature.debug.DebugMenuLibraryItemListPageFragment"
+        android:label="fragment_debug_menu_library_item_list_page"
+        tools:layout="@layout/fragment_debug_menu_library_item_list_page" />
+    <fragment
+        android:id="@+id/debugMenuVcsGeneralFragment"
+        android:name="one.nem.lacerta.feature.debug.DebugMenuVcsGeneralFragment"
+        android:label="fragment_debug_menu_vcs_general"
+        tools:layout="@layout/fragment_debug_menu_vcs_general" >
+        <action
+            android:id="@+id/action_debugMenuVcsGeneralFragment_to_debugMenuVcsGeneralActionFragment"
+            app:destination="@id/debugMenuVcsGeneralActionFragment" />
+        <action
+            android:id="@+id/action_debugMenuVcsGeneralFragment_to_debugMenuVcsRevRecordFragment"
+            app:destination="@id/debugMenuVcsRevRecordFragment" />
+        <action
+            android:id="@+id/action_debugMenuVcsGeneralFragment_to_debugMenuVcsLogRecordFragment"
+            app:destination="@id/debugMenuVcsLogRecordFragment" />
+    </fragment>
+    <fragment
+        android:id="@+id/debugMenuVcsGeneralActionFragment"
+        android:name="one.nem.lacerta.feature.debug.DebugMenuVcsGeneralActionFragment"
+        android:label="fragment_debug_menu_vcs_general_action"
+        tools:layout="@layout/fragment_debug_menu_vcs_general_action" />
+    <fragment
+        android:id="@+id/debugMenuVcsLogRecordFragment"
+        android:name="one.nem.lacerta.feature.debug.DebugMenuVcsLogRecordFragment"
+        android:label="fragment_debug_menu_vcs_log_record"
+        tools:layout="@layout/fragment_debug_menu_vcs_log_record" />
+    <fragment
+        android:id="@+id/debugMenuVcsRevRecordFragment"
+        android:name="one.nem.lacerta.feature.debug.DebugMenuVcsRevRecordFragment"
+        android:label="fragment_debug_menu_vcs_rev_record"
+        tools:layout="@layout/fragment_debug_menu_vcs_rev_record" />
 </navigation>
\ No newline at end of file
diff --git a/model/build.gradle b/model/build.gradle
index cfd215dc..8546adc4 100644
--- a/model/build.gradle
+++ b/model/build.gradle
@@ -36,4 +36,6 @@ dependencies {
     // JGit
     implementation 'org.eclipse.jgit:org.eclipse.jgit:6.8.0.202311291450-r'
 
+    implementation project(":shared:ui")
+
 }
\ No newline at end of file
diff --git a/model/src/main/java/one/nem/lacerta/model/LibraryItemPage.java b/model/src/main/java/one/nem/lacerta/model/LibraryItemPage.java
new file mode 100644
index 00000000..825c2396
--- /dev/null
+++ b/model/src/main/java/one/nem/lacerta/model/LibraryItemPage.java
@@ -0,0 +1,51 @@
+package one.nem.lacerta.model;
+
+import java.util.ArrayList;
+
+public class LibraryItemPage {
+
+    String pageTitle;
+    String pageId;
+    ArrayList<ListItem> listItems;
+
+    // Constructor
+
+    public LibraryItemPage(String pageTitle, String pageId, ArrayList<ListItem> listItems) {
+        this.pageTitle = pageTitle;
+        this.pageId = pageId;
+        this.listItems = listItems;
+    }
+
+    public LibraryItemPage() {
+        // Empty constructor
+    }
+
+    // Getter
+
+    public String getPageTitle() {
+        return pageTitle;
+    }
+
+    public String getPageId() {
+        return pageId;
+    }
+
+    public ArrayList<ListItem> getListItems() {
+        return listItems;
+    }
+
+    // Setter
+
+    public void setPageTitle(String pageTitle) {
+        this.pageTitle = pageTitle;
+    }
+
+    public void setPageId(String pageId) {
+        this.pageId = pageId;
+    }
+
+    public void setListItems(ArrayList<ListItem> listItems) {
+        this.listItems = listItems;
+    }
+
+}
diff --git a/model/src/main/java/one/nem/lacerta/model/ListItem.java b/model/src/main/java/one/nem/lacerta/model/ListItem.java
new file mode 100644
index 00000000..323b6bdd
--- /dev/null
+++ b/model/src/main/java/one/nem/lacerta/model/ListItem.java
@@ -0,0 +1,63 @@
+package one.nem.lacerta.model;
+
+import android.graphics.drawable.Drawable;
+
+public class ListItem {
+
+    // Properties
+
+    String title;
+    String description;
+    ListItemType itemType;
+    String itemId;
+
+    // Constructor
+
+    public ListItem(String title, String description, ListItemType itemType, String itemId) {
+        this.title = title;
+        this.description = description;
+        this.itemType = itemType;
+        this.itemId = itemId;
+    }
+
+    public ListItem() {
+        // Empty constructor
+    }
+
+    // Getter
+
+    public String getTitle() {
+        return title;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public ListItemType getItemType() {
+        return itemType;
+    }
+
+    public String getItemId() {
+        return itemId;
+    }
+
+    // Setter
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public void setItemType(ListItemType itemType) {
+        this.itemType = itemType;
+    }
+
+    public void setItemId(String itemId) {
+        this.itemId = itemId;
+    }
+
+}
diff --git a/model/src/main/java/one/nem/lacerta/model/ListItemType.java b/model/src/main/java/one/nem/lacerta/model/ListItemType.java
new file mode 100644
index 00000000..65376a1c
--- /dev/null
+++ b/model/src/main/java/one/nem/lacerta/model/ListItemType.java
@@ -0,0 +1,17 @@
+package one.nem.lacerta.model;
+
+public enum ListItemType {
+
+    ITEM_TYPE_FOLDER(one.nem.lacerta.shared.ui.R.drawable.folder_24px),
+    ITEM_TYPE_DOCUMENT(one.nem.lacerta.shared.ui.R.drawable.description_24px);
+
+    private int iconId;
+
+    ListItemType(int iconId) {
+        this.iconId = iconId;
+    }
+
+    public int getIconId() {
+        return iconId;
+    }
+}
diff --git a/model/src/main/java/one/nem/lacerta/model/PublicPath.java b/model/src/main/java/one/nem/lacerta/model/PublicPath.java
new file mode 100644
index 00000000..980a3a9d
--- /dev/null
+++ b/model/src/main/java/one/nem/lacerta/model/PublicPath.java
@@ -0,0 +1,68 @@
+package one.nem.lacerta.model;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class PublicPath {
+    /*
+     * ユーザーが扱うパス(内部パスの代替)
+     * (時間がないのでInjectされることは考慮しない)
+     *
+     * TODO-rca:
+     *  - こわれたパスを検知する
+     *  - バリデーション
+     */
+
+    List<String> path = new ArrayList<String>();
+
+    public PublicPath() {
+    }
+
+    public PublicPath(List<String> path) {
+        this.path = path;
+    }
+
+    private void add(String path) {
+        this.path.add(path);
+    }
+
+    private void resolveInternal(String path) {
+        if (path.equals("..")) {
+            this.path.remove(this.path.size() - 1);
+        } else {
+            add(path);
+        }
+    }
+
+    public PublicPath resolve(String path) {
+        resolveInternal(path);
+        return this;
+    }
+
+    public PublicPath resolve(List<String> path) {
+        for (String p : path) {
+            resolveInternal(p);
+        }
+        return this;
+    }
+
+    public PublicPath resolve(PublicPath path) {
+        for (String p : path.getPath()) {
+            resolveInternal(p);
+        }
+        return this;
+    }
+
+    public PublicPath parent() {
+        this.path.remove(this.path.size() - 1);
+        return this;
+    }
+
+    public List<String> getPath() {
+        return path;
+    }
+
+    public String getStringPath() {
+        return String.join("/", path);
+    }
+}
diff --git a/model/src/main/java/one/nem/lacerta/model/document/internal/XmlMetaModel.java b/model/src/main/java/one/nem/lacerta/model/document/internal/XmlMetaModel.java
new file mode 100644
index 00000000..a4dff2e2
--- /dev/null
+++ b/model/src/main/java/one/nem/lacerta/model/document/internal/XmlMetaModel.java
@@ -0,0 +1,73 @@
+package one.nem.lacerta.model.document.internal;
+
+import java.util.ArrayList;
+
+public class XmlMetaModel {
+
+    String title;
+    String author;
+    String description;
+//    Date created;
+//    Date updated;
+    String defaultBranch;
+    ArrayList<XmlMetaPageModel> pages;
+
+    // Constructor
+
+    public XmlMetaModel() {
+    }
+
+    public XmlMetaModel(String title, String author, String description, String defaultBranch, ArrayList<XmlMetaPageModel> pages) {
+        this.title = title;
+        this.author = author;
+        this.description = description;
+        this.defaultBranch = defaultBranch;
+        this.pages = pages;
+    }
+
+
+    // Getter
+
+    public String getTitle() {
+        return title;
+    }
+
+    public String getAuthor() {
+        return author;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public String getDefaultBranch() {
+        return defaultBranch;
+    }
+
+    public ArrayList<XmlMetaPageModel> getPages() {
+        return pages;
+    }
+
+    // Setter
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public void setAuthor(String author) {
+        this.author = author;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public void setDefaultBranch(String defaultBranch) {
+        this.defaultBranch = defaultBranch;
+    }
+
+    public void setPages(ArrayList<XmlMetaPageModel> pages) {
+        this.pages = pages;
+    }
+
+}
diff --git a/model/src/main/java/one/nem/lacerta/model/document/internal/XmlMetaPageModel.java b/model/src/main/java/one/nem/lacerta/model/document/internal/XmlMetaPageModel.java
new file mode 100644
index 00000000..089aab2b
--- /dev/null
+++ b/model/src/main/java/one/nem/lacerta/model/document/internal/XmlMetaPageModel.java
@@ -0,0 +1,27 @@
+package one.nem.lacerta.model.document.internal;
+
+public class XmlMetaPageModel {
+
+    String filename;
+
+    // Constructor
+
+    public XmlMetaPageModel() {
+    }
+
+    public XmlMetaPageModel(String filename) {
+        this.filename = filename;
+    }
+
+    // Getter
+
+    public String getFilename() {
+        return filename;
+    }
+
+    // Setter
+
+    public void setFilename(String filename) {
+        this.filename = filename;
+    }
+}
diff --git a/processor/build.gradle b/processor/build.gradle
index cc9c26a7..ec1ea9b1 100644
--- a/processor/build.gradle
+++ b/processor/build.gradle
@@ -32,4 +32,16 @@ dependencies {
     testImplementation libs.junit
     androidTestImplementation libs.androidx.test.ext.junit
     androidTestImplementation libs.androidx.test.espresso.core
+
+    // DI
+    implementation libs.com.google.dagger.hilt.android
+    annotationProcessor libs.com.google.dagger.hilt.compiler
+
+    // JGit
+    implementation 'org.eclipse.jgit:org.eclipse.jgit:6.8.0.202311291450-r'
+
+    implementation project(':model')
+    implementation project(':source')
+    implementation project(':utils')
+    implementation project(':data')
 }
\ No newline at end of file
diff --git a/processor/src/main/java/one/nem/lacerta/processor/DocumentProcessor.java b/processor/src/main/java/one/nem/lacerta/processor/DocumentProcessor.java
new file mode 100644
index 00000000..d5584c24
--- /dev/null
+++ b/processor/src/main/java/one/nem/lacerta/processor/DocumentProcessor.java
@@ -0,0 +1,24 @@
+package one.nem.lacerta.processor;
+
+import android.graphics.Bitmap;
+
+public interface DocumentProcessor {
+
+    // ページ操作
+    void addNewPageToLast(Bitmap bitmap) throws Exception;
+    void addNewPagesToLast(Bitmap[] bitmaps) throws Exception;
+    void addNewPageAfterIndex(Bitmap bitmap, int index) throws Exception;
+    void addNewPageBeforeIndex(Bitmap bitmap, int index) throws Exception;
+    void removePageAtIndex(int index) throws Exception;
+
+    // 更新
+    void updatePageAtIndex(Bitmap bitmap, int index);
+
+    // ページ取得
+    Bitmap getPageAtIndex(int index);
+    int getPageCount();
+
+    void close() throws Exception;
+    void init() throws Exception; // TODO-rca: 例外処理
+
+}
diff --git a/processor/src/main/java/one/nem/lacerta/processor/factory/DocumentProcessorFactory.java b/processor/src/main/java/one/nem/lacerta/processor/factory/DocumentProcessorFactory.java
new file mode 100644
index 00000000..2741a8a9
--- /dev/null
+++ b/processor/src/main/java/one/nem/lacerta/processor/factory/DocumentProcessorFactory.java
@@ -0,0 +1,10 @@
+package one.nem.lacerta.processor.factory;
+
+import dagger.assisted.AssistedFactory;
+import one.nem.lacerta.model.document.DocumentDetail;
+import one.nem.lacerta.processor.impl.DocumentProcessorImpl;
+
+@AssistedFactory
+public interface DocumentProcessorFactory {
+    DocumentProcessorImpl create(DocumentDetail documentDetail);
+}
diff --git a/processor/src/main/java/one/nem/lacerta/processor/impl/DocumentProcessorImpl.java b/processor/src/main/java/one/nem/lacerta/processor/impl/DocumentProcessorImpl.java
new file mode 100644
index 00000000..d6b15343
--- /dev/null
+++ b/processor/src/main/java/one/nem/lacerta/processor/impl/DocumentProcessorImpl.java
@@ -0,0 +1,175 @@
+package one.nem.lacerta.processor.impl;
+
+import android.graphics.Bitmap;
+
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.UUID;
+
+import dagger.assisted.Assisted;
+import dagger.assisted.AssistedInject;
+import one.nem.lacerta.model.document.internal.XmlMetaPageModel;
+import one.nem.lacerta.processor.DocumentProcessor;
+
+import one.nem.lacerta.model.document.DocumentDetail;
+
+import one.nem.lacerta.model.document.internal.XmlMetaModel;
+import one.nem.lacerta.source.file.FileManager;
+import one.nem.lacerta.source.file.factory.FileManagerFactory;
+
+import one.nem.lacerta.utils.LacertaLogger;
+
+import one.nem.lacerta.utils.XmlMetaParser;
+
+
+public class DocumentProcessorImpl implements DocumentProcessor{
+
+    // Magic Numbers
+    private static final String DEFAULT_SAVE_DIR = "raw";
+
+    // Variables
+    private final DocumentDetail documentDetail;
+    private XmlMetaModel xmlMetaModel;
+    private Path documentRootPath;
+    private FileManager fileManager;
+
+    // Injection
+    private final FileManagerFactory fileManagerFactory;
+    private final LacertaLogger logger;
+    private final XmlMetaParser xmlMetaParser;
+    @AssistedInject
+    public DocumentProcessorImpl(FileManagerFactory fileManagerFactory, LacertaLogger logger, XmlMetaParser xmlMetaParser, @Assisted DocumentDetail documentDetail) {
+        this.fileManagerFactory = fileManagerFactory;
+        this.logger = logger;
+        this.xmlMetaParser = xmlMetaParser;
+        if (documentDetail == null) {
+            throw new IllegalArgumentException("documentDetail must not be null");
+        }
+        this.documentDetail = documentDetail;
+    }
+
+    @Override
+    public void init() throws Exception{
+        logger.debug("init", "called");
+        // Init Variables
+        this.documentRootPath = this.documentDetail.getPath().getFullPath();
+        logger.debug("init", "documentRootPath: " + this.documentRootPath);
+
+        this.fileManager = fileManagerFactory.create(this.documentRootPath).enableAutoCreateParent(); //Initialize FileManager
+
+        FileManager initFileManager = this.fileManager.getNewInstance();
+
+        logger.debug("init", "fileManager created");
+
+        // xmlファイルの読み込み
+        if (initFileManager.isExist("meta.xml")) {
+            logger.debug("init", "meta.xml found");
+            try {
+                this.xmlMetaModel = xmlMetaParser.deserialize(this.fileManager.loadXml("meta.xml"));
+                logger.debug("init", "meta.xml parsed");
+            } catch (Exception e) {
+                logger.debug("init", "meta.xml parse failed");
+                logger.trace("init", e.getMessage());
+            }
+        } else {
+            logger.debug("init", "meta.xml not found");
+            xmlMetaModel = new XmlMetaModel();
+
+            xmlMetaModel.setTitle(this.documentDetail.getMeta().getTitle());
+            xmlMetaModel.setAuthor(this.documentDetail.getAuthor());
+            xmlMetaModel.setDescription(""); // FIXME-rca:
+            xmlMetaModel.setDefaultBranch(this.documentDetail.getDefaultBranch());
+            xmlMetaModel.setPages(new ArrayList<>());
+
+            try {
+                initFileManager.createFileIfNotExist("meta.xml").saveXml(xmlMetaParser.serialize(xmlMetaModel), "meta.xml");
+                logger.debug("init", "meta.xml saved");
+            } catch (Exception e) {
+                logger.error("init", "meta.xml save failed");
+                logger.trace("init", e.getMessage());
+            }
+        }
+
+        logger.info("init", "finished");
+    }
+
+    @Override
+    public void addNewPageToLast(Bitmap bitmap) throws Exception{
+        logger.debug("addNewPageToLast", "called");
+        String filename = UUID.randomUUID().toString() + ".png"; // TODO-rca: 拡張子を動的にする
+
+        this.fileManager.getNewInstance().createDirectoryIfNotExist(DEFAULT_SAVE_DIR).resolve(DEFAULT_SAVE_DIR).saveBitmap(bitmap, filename);
+
+        XmlMetaPageModel xmlMetaPageModel = new XmlMetaPageModel();
+        xmlMetaPageModel.setFilename(filename);
+        xmlMetaModel.getPages().add(xmlMetaPageModel);
+
+        logger.info("addNewPageToLast", "finished");
+        logger.info("addNewPageToLast", "filename: " + filename);
+    }
+
+    @Override
+    public void addNewPagesToLast(Bitmap[] bitmaps) throws Exception{
+        logger.debug("addNewPagesToLast", "called");
+
+        for (Bitmap bitmap : bitmaps) {
+            addNewPageToLast(bitmap);
+        } // TODO-rca: 効率悪いので改善する
+    }
+
+    @Override
+    public void addNewPageAfterIndex(Bitmap bitmap, int index) throws Exception {
+        logger.debug("addNewPageAfterIndex", "called");
+        String filename = UUID.randomUUID().toString() + ".png"; // TODO-rca: 拡張子を動的にする
+
+        this.fileManager.getNewInstance().createDirectoryIfNotExist(DEFAULT_SAVE_DIR).resolve(DEFAULT_SAVE_DIR).saveBitmap(bitmap, filename);
+
+        XmlMetaPageModel xmlMetaPageModel = new XmlMetaPageModel();
+        xmlMetaPageModel.setFilename(filename);
+        xmlMetaModel.getPages().add(index, xmlMetaPageModel);
+    }
+
+    @Override
+    public void addNewPageBeforeIndex(Bitmap bitmap, int index) throws Exception {
+        logger.debug("addNewPageBeforeIndex", "called");
+        String filename = UUID.randomUUID().toString() + ".png"; // TODO-rca: 拡張子を動的にする
+
+        this.fileManager.getNewInstance().createDirectoryIfNotExist(DEFAULT_SAVE_DIR).resolve(DEFAULT_SAVE_DIR).saveBitmap(bitmap, filename);
+
+        XmlMetaPageModel xmlMetaPageModel = new XmlMetaPageModel();
+        xmlMetaPageModel.setFilename(filename);
+        xmlMetaModel.getPages().add(index - 1, xmlMetaPageModel);
+    }
+
+    @Override
+    public void removePageAtIndex(int index) {
+
+    }
+
+    @Override
+    public void updatePageAtIndex(Bitmap bitmap, int index) {
+
+    }
+
+    @Override
+    public Bitmap getPageAtIndex(int index) {
+        return null;
+    }
+
+    @Override
+    public int getPageCount() {
+        return 0;
+    }
+
+    @Override
+    public void close() throws Exception{
+        logger.debug("close", "called");
+        try {
+            this.fileManager.getNewInstance().createFileIfNotExist("meta.xml").saveXml(xmlMetaParser.serialize(xmlMetaModel), "meta.xml");
+            logger.debug("close", "meta.xml saved");
+        } catch (Exception e) {
+            logger.error("close", "meta.xml save failed");
+            logger.trace("close", e.getMessage());
+        }
+    }
+}
diff --git a/processor/src/main/java/one/nem/lacerta/processor/impl/placeholder b/processor/src/main/java/one/nem/lacerta/processor/impl/placeholder
new file mode 100644
index 00000000..e69de29b
diff --git a/processor/src/main/java/one/nem/lacerta/processor/module/DocumentProcessorModule.java b/processor/src/main/java/one/nem/lacerta/processor/module/DocumentProcessorModule.java
new file mode 100644
index 00000000..b4456813
--- /dev/null
+++ b/processor/src/main/java/one/nem/lacerta/processor/module/DocumentProcessorModule.java
@@ -0,0 +1,16 @@
+package one.nem.lacerta.processor.module;
+
+import dagger.assisted.Assisted;
+import dagger.assisted.AssistedInject;
+import one.nem.lacerta.model.document.DocumentDetail;
+
+public class DocumentProcessorModule {
+
+    private final DocumentDetail documentDetail;
+
+    @AssistedInject
+    public DocumentProcessorModule(@Assisted DocumentDetail documentDetail) {
+        this.documentDetail = documentDetail;
+    }
+
+}
diff --git a/processor/src/main/java/one/nem/lacerta/processor/module/placeholder b/processor/src/main/java/one/nem/lacerta/processor/module/placeholder
new file mode 100644
index 00000000..e69de29b
diff --git a/processor/src/main/java/one/nem/lacerta/processor/placeholder b/processor/src/main/java/one/nem/lacerta/processor/placeholder
new file mode 100644
index 00000000..e69de29b
diff --git a/processor/src/main/res/values/strings.xml b/processor/src/main/res/values/strings.xml
new file mode 100644
index 00000000..6048840e
--- /dev/null
+++ b/processor/src/main/res/values/strings.xml
@@ -0,0 +1,4 @@
+<resources>
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
+</resources>
\ No newline at end of file
diff --git a/settings.gradle b/settings.gradle
index 714f8785..f5dea772 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -31,3 +31,4 @@ include ':model'
 include ':processor'
 include ':shared:ui'
 include ':shared:icon'
+include ':vcs'
diff --git a/shared/ui/src/main/res/drawable/description_24px.xml b/shared/ui/src/main/res/drawable/description_24px.xml
new file mode 100644
index 00000000..fdf492d1
--- /dev/null
+++ b/shared/ui/src/main/res/drawable/description_24px.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M330,710L630,710L630,650L330,650L330,710ZM330,550L630,550L630,490L330,490L330,550ZM252.31,860Q222,860 201,839Q180,818 180,787.69L180,172.31Q180,142 201,121Q222,100 252.31,100L570,100L780,310L780,787.69Q780,818 759,839Q738,860 707.69,860L252.31,860ZM540,340L540,160L252.31,160Q247.69,160 243.85,163.85Q240,167.69 240,172.31L240,787.69Q240,792.31 243.85,796.15Q247.69,800 252.31,800L707.69,800Q712.31,800 716.15,796.15Q720,792.31 720,787.69L720,340L540,340ZM240,160L240,160L240,340L240,340L240,160L240,340L240,340L240,787.69Q240,792.31 240,796.15Q240,800 240,800L240,800Q240,800 240,796.15Q240,792.31 240,787.69L240,172.31Q240,167.69 240,163.85Q240,160 240,160Z"/>
+</vector>
diff --git a/source/src/main/java/one/nem/lacerta/source/database/LacertaDatabase.java b/source/src/main/java/one/nem/lacerta/source/database/LacertaDatabase.java
index 68aea700..d009d8c0 100644
--- a/source/src/main/java/one/nem/lacerta/source/database/LacertaDatabase.java
+++ b/source/src/main/java/one/nem/lacerta/source/database/LacertaDatabase.java
@@ -7,15 +7,21 @@ import androidx.room.RoomDatabase;
 import one.nem.lacerta.source.database.entity.TagEntity;
 import one.nem.lacerta.source.database.entity.DocumentEntity;
 import one.nem.lacerta.source.database.entity.LibraryEntity;
+import one.nem.lacerta.source.database.entity.VcsRevEntity;
+import one.nem.lacerta.source.database.entity.VcsLogEntity;
 
 // Daos
 import one.nem.lacerta.source.database.dao.TagDao;
 import one.nem.lacerta.source.database.dao.DocumentDao;
 import one.nem.lacerta.source.database.dao.LibraryDao;
+import one.nem.lacerta.source.database.dao.VcsRevDao;
+import one.nem.lacerta.source.database.dao.VcsLogDao;
 
-@Database(entities = {TagEntity.class, DocumentEntity.class, LibraryEntity.class}, version = 1)
+@Database(entities = {TagEntity.class, DocumentEntity.class, LibraryEntity.class, VcsRevEntity.class, VcsLogEntity.class}, version = 2)
 public abstract class LacertaDatabase extends RoomDatabase {
     public abstract TagDao tagDao();
     public abstract DocumentDao documentDao();
     public abstract LibraryDao libraryDao();
+    public abstract VcsRevDao vcsRevDao();
+    public abstract VcsLogDao vcsLogDao();
 }
diff --git a/source/src/main/java/one/nem/lacerta/source/database/LacertaDatabaseModule.java b/source/src/main/java/one/nem/lacerta/source/database/LacertaDatabaseModule.java
index f3e43f95..87da3dd5 100644
--- a/source/src/main/java/one/nem/lacerta/source/database/LacertaDatabaseModule.java
+++ b/source/src/main/java/one/nem/lacerta/source/database/LacertaDatabaseModule.java
@@ -20,6 +20,8 @@ public class LacertaDatabaseModule {
                 LacertaDatabase.class,
                 "lacerta.db")
                 .allowMainThreadQueries() // Debug
+                .fallbackToDestructiveMigration() // Debug Only: マイグレーションがない場合などにデータベースを再生成する
+                .fallbackToDestructiveMigrationOnDowngrade() // Debug Only: マイグレーションがない場合などにデータベースを再生成する
                 .build();
     }
 }
diff --git a/source/src/main/java/one/nem/lacerta/source/database/common/TagArrayListConverter.java b/source/src/main/java/one/nem/lacerta/source/database/common/ArrayListConverter.java
similarity index 94%
rename from source/src/main/java/one/nem/lacerta/source/database/common/TagArrayListConverter.java
rename to source/src/main/java/one/nem/lacerta/source/database/common/ArrayListConverter.java
index e9bd635b..7d5b0968 100644
--- a/source/src/main/java/one/nem/lacerta/source/database/common/TagArrayListConverter.java
+++ b/source/src/main/java/one/nem/lacerta/source/database/common/ArrayListConverter.java
@@ -5,7 +5,7 @@ import androidx.room.TypeConverter;
 import java.util.ArrayList;
 import java.util.Arrays;
 
-public class TagArrayListConverter {
+public class ArrayListConverter {
 
     @TypeConverter
     public static ArrayList<String> fromString(String value) {
diff --git a/source/src/main/java/one/nem/lacerta/source/database/dao/VcsLogDao.java b/source/src/main/java/one/nem/lacerta/source/database/dao/VcsLogDao.java
new file mode 100644
index 00000000..cd15c89a
--- /dev/null
+++ b/source/src/main/java/one/nem/lacerta/source/database/dao/VcsLogDao.java
@@ -0,0 +1,39 @@
+package one.nem.lacerta.source.database.dao;
+
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.Query;
+
+import java.util.List;
+
+import one.nem.lacerta.source.database.entity.VcsLogEntity;
+
+@Dao
+public interface VcsLogDao {
+
+    // Select
+    @Query("SELECT * FROM vcs_log WHERE id = :id")
+    VcsLogEntity findById(String id);
+
+    @Query("SELECT * FROM vcs_log")
+    List<VcsLogEntity> findAll();
+
+    @Query("SELECT * FROM vcs_log WHERE id IN (:ids)")
+    List<VcsLogEntity> findByIds(List<String> ids);
+
+    @Query("SELECT * FROM vcs_log WHERE document_id = :documentId")
+    List<VcsLogEntity> findByDocumentId(String documentId);
+
+    // Insert
+
+    @Insert
+    void insertAll(VcsLogEntity... vcsLogs);
+
+    @Insert
+    void insertAll(List<VcsLogEntity> vcsLogs);
+
+    @Insert
+    void insert(VcsLogEntity vcsLog);
+
+    // TODO-rca: Update, Deleteが必要か検討
+}
diff --git a/source/src/main/java/one/nem/lacerta/source/database/dao/VcsRevDao.java b/source/src/main/java/one/nem/lacerta/source/database/dao/VcsRevDao.java
new file mode 100644
index 00000000..3213ca28
--- /dev/null
+++ b/source/src/main/java/one/nem/lacerta/source/database/dao/VcsRevDao.java
@@ -0,0 +1,44 @@
+package one.nem.lacerta.source.database.dao;
+
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.Query;
+
+import java.util.List;
+
+import one.nem.lacerta.source.database.entity.VcsRevEntity;
+
+@Dao
+public interface VcsRevDao {
+
+    // Select
+    @Query("SELECT * FROM vcs_rev WHERE id = :id")
+    VcsRevEntity findById(String id);
+
+    @Query("SELECT * FROM vcs_rev")
+    List<VcsRevEntity> findAll();
+
+    @Query("SELECT * FROM vcs_rev WHERE id IN (:ids)")
+    List<VcsRevEntity> findByIds(List<String> ids);
+
+    @Query("SELECT * FROM vcs_rev WHERE document_id = :documentId")
+    List<VcsRevEntity> findByDocumentId(String documentId);
+
+    @Query("SELECT * FROM vcs_rev WHERE document_id = :documentId ORDER BY created_at DESC LIMIT 1")
+    VcsRevEntity findLatestByDocumentId(String documentId);
+
+    @Query("SELECT * FROM vcs_rev WHERE document_id = :documentId AND branch_name = :branchName ORDER BY created_at DESC LIMIT 1")
+    VcsRevEntity findLatestByDocumentIdAndBranchName(String documentId, String branchName);
+
+    @Insert
+    void insertAll(VcsRevEntity... vcsRevs);
+
+    @Insert
+    void insertAll(List<VcsRevEntity> vcsRevs);
+
+    @Insert
+    void insert(VcsRevEntity vcsRev);
+
+    // TODO-rca: Update, Deleteが必要か検討
+
+}
diff --git a/source/src/main/java/one/nem/lacerta/source/database/entity/DocumentEntity.java b/source/src/main/java/one/nem/lacerta/source/database/entity/DocumentEntity.java
index 9f24e42e..90a17b1d 100644
--- a/source/src/main/java/one/nem/lacerta/source/database/entity/DocumentEntity.java
+++ b/source/src/main/java/one/nem/lacerta/source/database/entity/DocumentEntity.java
@@ -8,7 +8,6 @@ import androidx.room.TypeConverter;
 import androidx.room.TypeConverters;
 
 import one.nem.lacerta.source.database.common.DateTypeConverter;
-import one.nem.lacerta.source.database.common.TagArrayListConverter;
 import one.nem.lacerta.source.database.common.TagListConverter;
 
 import java.util.ArrayList;
@@ -40,4 +39,7 @@ public class DocumentEntity {
 
     @ColumnInfo(name = "tag_ids")
     public List<String> tagIds; // タグ
+
+    @ColumnInfo(name = "public_path")
+    public String publicPath; // 公開パス
 }
diff --git a/source/src/main/java/one/nem/lacerta/source/database/entity/LibraryEntity.java b/source/src/main/java/one/nem/lacerta/source/database/entity/LibraryEntity.java
index e8c45b09..33fffb3f 100644
--- a/source/src/main/java/one/nem/lacerta/source/database/entity/LibraryEntity.java
+++ b/source/src/main/java/one/nem/lacerta/source/database/entity/LibraryEntity.java
@@ -16,10 +16,12 @@ public class LibraryEntity {
     @NonNull
     public String id; // ドキュメントID
 
-    @ColumnInfo(name = "root_path")
-    public String rootPath; // rootのパス
+    // TODO-rca: 廃止？
 
     @ColumnInfo(name = "path")
     public String path; // パス
 
+    @ColumnInfo(name = "root_path")
+    public String rootPath; // ルートパス
+
 }
diff --git a/source/src/main/java/one/nem/lacerta/source/database/entity/VcsLogEntity.java b/source/src/main/java/one/nem/lacerta/source/database/entity/VcsLogEntity.java
new file mode 100644
index 00000000..de1ed13a
--- /dev/null
+++ b/source/src/main/java/one/nem/lacerta/source/database/entity/VcsLogEntity.java
@@ -0,0 +1,48 @@
+package one.nem.lacerta.source.database.entity;
+
+import androidx.annotation.NonNull;
+import androidx.room.ColumnInfo;
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+import androidx.room.TypeConverters;
+
+import java.util.Date;
+
+import one.nem.lacerta.source.database.common.DateTypeConverter;
+
+@Entity(tableName = "vcs_log")
+@TypeConverters({DateTypeConverter.class})
+public class VcsLogEntity {
+
+    /**
+     * イベントID
+     */
+    @PrimaryKey
+    @ColumnInfo(name = "id")
+    @NonNull
+    public String id;
+
+    /**
+     * ドキュメントID
+     */
+    @ColumnInfo(name = "document_id")
+    public String documentId;
+
+    /**
+     * ブランチ名
+     */
+    @ColumnInfo(name = "branch_name")
+    public String branchName;
+
+    /**
+     * 発生日時
+     */
+    @ColumnInfo(name = "created_at")
+    public Date createdAt;
+
+    /**
+     * 発生アクション
+     */
+    @ColumnInfo(name = "action")
+    public String action;
+}
diff --git a/source/src/main/java/one/nem/lacerta/source/database/entity/VcsRevEntity.java b/source/src/main/java/one/nem/lacerta/source/database/entity/VcsRevEntity.java
new file mode 100644
index 00000000..9c18a98c
--- /dev/null
+++ b/source/src/main/java/one/nem/lacerta/source/database/entity/VcsRevEntity.java
@@ -0,0 +1,58 @@
+package one.nem.lacerta.source.database.entity;
+
+import androidx.annotation.NonNull;
+import androidx.room.ColumnInfo;
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+import androidx.room.TypeConverters;
+
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+
+import one.nem.lacerta.source.database.common.ArrayListConverter;
+import one.nem.lacerta.source.database.common.DateTypeConverter;
+
+@Entity(tableName = "vcs_rev")
+@TypeConverters({DateTypeConverter.class, ArrayListConverter.class})
+public class VcsRevEntity {
+
+    /**
+     * リビジョンID
+     */
+    @PrimaryKey
+    @ColumnInfo(name = "id")
+    @NonNull
+    public String id;
+
+    /**
+     * ドキュメントID
+     */
+    @ColumnInfo(name = "document_id")
+    public String documentId;
+
+    /**
+     * ブランチ名
+     */
+    @ColumnInfo(name = "branch_name")
+    public String branchName;
+
+    /**
+     * コミットメッセージ
+     */
+    @ColumnInfo(name = "commit_message")
+    public String commitMessage;
+
+    /**
+     * コミット日時
+     */
+    @ColumnInfo(name = "created_at")
+    public Date createdAt;
+
+    /**
+     * 含まれるLogのID
+     */
+    @ColumnInfo(name = "log_ids")
+    public ArrayList<String> logIds;
+}
diff --git a/source/src/main/java/one/nem/lacerta/source/file/FileManager.java b/source/src/main/java/one/nem/lacerta/source/file/FileManager.java
new file mode 100644
index 00000000..41909906
--- /dev/null
+++ b/source/src/main/java/one/nem/lacerta/source/file/FileManager.java
@@ -0,0 +1,65 @@
+package one.nem.lacerta.source.file;
+
+import android.graphics.Bitmap;
+
+import org.w3c.dom.Document;
+
+import java.io.File;
+import java.io.IOException;
+import java.lang.reflect.Field;
+import java.nio.file.Path;
+import java.util.List;
+
+
+/** @noinspection unused*/
+public interface FileManager {
+
+    File getFileRef();
+    boolean isExist(String name) throws IOException;
+    boolean isExist();
+    boolean isDirectory();
+    boolean isFile();
+    boolean isWritable();
+    boolean isReadable();
+    // Get current instance
+    FileManager getCurrentInstance();
+    FileManager getNewInstance();
+
+    // Configure
+    FileManager enableAutoCreateParent();
+    FileManager disableRootDirCheck();
+
+    FileManager setRootDir(Path rootDir);
+    FileManager setPath(Path path);
+    FileManager resolve(String path) throws IOException;
+
+    // Create
+    FileManager createFile() throws IOException;
+    FileManager createFile(String fileName) throws IOException;
+    FileManager createFileIfNotExist() throws IOException;
+    FileManager createFileIfNotExist(String fileName) throws IOException;
+    FileManager createDirectory() throws IOException;
+    FileManager createDirectory(String directoryName) throws IOException;
+    FileManager createDirectoryIfNotExist() throws IOException;
+    FileManager createDirectoryIfNotExist(String directoryName) throws IOException;
+
+    // Save
+    // XML
+    void saveXml(Document document, String fileName) throws IOException;
+    void saveXml(Document document) throws IOException;
+
+    // Bitmap
+    void saveBitmap(Bitmap bitmap, String fileName) throws IOException; // TODO-rca: パラメータに対応させる
+    void saveBitmap(Bitmap bitmap) throws IOException; // TODO-rca: パラメータに対応させる
+
+
+    // Load
+    // XML
+    Document loadXml(String fileName) throws IOException;
+    Document loadXml() throws IOException;
+
+    // Bitmap
+    Bitmap loadBitmap(String fileName) throws IOException;
+    Bitmap loadBitmap() throws IOException;
+
+}
diff --git a/source/src/main/java/one/nem/lacerta/source/file/factory/FileManagerFactory.java b/source/src/main/java/one/nem/lacerta/source/file/factory/FileManagerFactory.java
new file mode 100644
index 00000000..e5272020
--- /dev/null
+++ b/source/src/main/java/one/nem/lacerta/source/file/factory/FileManagerFactory.java
@@ -0,0 +1,11 @@
+package one.nem.lacerta.source.file.factory;
+
+import java.nio.file.Path;
+
+import dagger.assisted.AssistedFactory;
+import one.nem.lacerta.source.file.impl.FileManagerImpl;
+
+@AssistedFactory
+public interface FileManagerFactory {
+    FileManagerImpl create(Path rootDir);
+}
diff --git a/source/src/main/java/one/nem/lacerta/source/file/factory/placeholder b/source/src/main/java/one/nem/lacerta/source/file/factory/placeholder
new file mode 100644
index 00000000..e69de29b
diff --git a/source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java b/source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java
new file mode 100644
index 00000000..6f8677db
--- /dev/null
+++ b/source/src/main/java/one/nem/lacerta/source/file/impl/FileManagerImpl.java
@@ -0,0 +1,364 @@
+package one.nem.lacerta.source.file.impl;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+
+import org.w3c.dom.Document;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+
+import dagger.assisted.Assisted;
+import dagger.assisted.AssistedInject;
+import one.nem.lacerta.source.file.FileManager;
+
+import one.nem.lacerta.utils.LacertaLogger;
+
+public class FileManagerImpl implements FileManager {
+
+    // variables
+    private Path rootDir;
+    private Path path;
+    private boolean autoCreateParent = false;
+    private boolean disableRootDirCheck = false;
+
+
+    // Injection
+    private final LacertaLogger logger;
+    @AssistedInject
+    public FileManagerImpl(LacertaLogger logger, @Assisted Path rootDir) {
+        this.logger = logger;
+        this.rootDir = rootDir;
+    }
+
+    // for generate new instance
+    public FileManagerImpl(LacertaLogger logger, Path rootDir, Path path, boolean autoCreateParent, boolean disableRootDirCheck) {
+        this.logger = logger;
+        this.rootDir = rootDir;
+        this.path = path;
+        this.autoCreateParent = autoCreateParent;
+        this.disableRootDirCheck = disableRootDirCheck;
+    }
+
+    // Internal
+    private Path resolveStringPath(String path) throws IOException{
+        String[] pathArray = path.split("/");
+        Path resolvedPath = this.path;
+        for (String pathPart : pathArray) {
+            if (pathPart.equals("..")) {
+                resolvedPath = resolvedPath.getParent();
+                continue;
+            }
+
+            try {
+                resolvedPath = resolvedPath.resolve(pathPart);
+            } catch (Exception e) {
+                throw new IOException("Invalid path: " + path);
+            }
+        }
+        logger.debug("resolveStringPath", "resolvedPath: " + resolvedPath);
+        return resolvedPath;
+    }
+
+    private FileManager newInstance(Path rootDir, Path path, boolean autoCreateParent, boolean disableRootDirCheck) {
+        logger.debug("newInstance", "Generating new instance");
+        logger.debug("newInstance", "Path: " + path);
+        return new FileManagerImpl(this.logger, rootDir, path, autoCreateParent, disableRootDirCheck);
+    }
+
+    @Override
+    public File getFileRef() {
+        if (this.isExist()) {
+            return this.path.toFile();
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    public boolean isExist(String name) throws IOException {
+        Path resolvedPath = this.resolveStringPath(name);
+        return Files.exists(resolvedPath);
+    }
+
+    @Override
+    public boolean isExist(){
+        return Files.exists(this.path);
+    }
+
+    @Override
+    public boolean isDirectory() {
+        if (this.isExist()) {
+            File file = this.path.toFile();
+            return file.isDirectory();
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public boolean isFile() {
+        if (this.isExist()) {
+            File file = this.path.toFile();
+            return file.isFile();
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public boolean isReadable() {
+        if (this.isExist()) {
+            File file = this.path.toFile();
+            return file.canRead();
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public boolean isWritable() {
+        if (this.isExist()) {
+            File file = this.path.toFile();
+            return file.canWrite();
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public FileManager getCurrentInstance() {
+        return this;
+    }
+
+    @Override
+    public FileManager getNewInstance() {
+        return this.newInstance(this.rootDir, this.rootDir, this.autoCreateParent, this.disableRootDirCheck);
+    }
+
+    @Override
+    public FileManager enableAutoCreateParent() {
+        this.autoCreateParent = true;
+        return this;
+    }
+
+    @Override
+    public FileManager disableRootDirCheck() {
+        this.disableRootDirCheck = true;
+        return this;
+    }
+
+    @Override
+    public FileManager setRootDir(Path rootDir) {
+        return this.newInstance(rootDir, this.path, this.autoCreateParent, this.disableRootDirCheck);
+    }
+
+    @Override
+    public FileManager setPath(Path path) {
+        Path resolvedPath;
+        if (this.disableRootDirCheck) {
+            resolvedPath = path;
+        } else {
+            if (path.startsWith(this.rootDir)) {
+                resolvedPath = path;
+            } else {
+                throw new IllegalArgumentException("path must be in rootDir");
+            }
+        }
+        logger.debug("setPath", "resolvedPath: " + resolvedPath);
+        return this.newInstance(this.rootDir, resolvedPath, this.autoCreateParent, this.disableRootDirCheck);
+    }
+
+    @Override
+    public FileManager resolve(String path) throws IOException{
+        Path resolvedPath;
+        try {
+            resolvedPath = resolveStringPath(path);
+        } catch (IOException e) {
+            logger.error("resolve", e.getMessage());
+            throw new IOException("Invalid path: " + path);
+        }
+        return this.setPath(resolvedPath);
+    }
+
+    // Internal
+    private void createFileInternal(Path path) throws IOException {
+        try {
+            if (this.autoCreateParent) {
+                if (!path.getParent().toFile().exists()) {
+                    Files.createDirectories(path.getParent());
+                }
+            }
+            Files.createFile(path);
+        } catch (Exception e) {
+            logger.error("createFileInternal", e.getMessage());
+            throw new IOException("Failed to create file");
+        }
+    }
+
+    @Override
+    public FileManager createFile() throws IOException {
+        this.createFileInternal(this.path);
+        return this;
+    }
+
+    @Override
+    public FileManager createFile(String fileName) throws IOException { // pathが書き換わってしまうのは想像できない挙動かも？
+        this.createFileInternal(this.resolveStringPath(fileName));
+        return this;
+    }
+
+    @Override
+    public FileManager createFileIfNotExist() throws IOException {
+        if (!this.isExist()) {
+            this.createFile();
+        }
+        return this;
+    }
+
+    @Override
+    public FileManager createFileIfNotExist(String fileName) throws IOException {
+        if (!this.isExist(fileName)) {
+            this.createFile(fileName);
+        }
+        return this;
+    }
+
+    // Internal
+    private void createDirectoryInternal(Path path) throws IOException {
+        try {
+            if (this.autoCreateParent) {
+                if (!path.getParent().toFile().exists()) {
+                    Files.createDirectories(path.getParent());
+                }
+            }
+            Files.createDirectory(path);
+        } catch (Exception e) {
+            logger.error("createDirectoryInternal", e.getMessage());
+            throw new IOException("Failed to create directory");
+        }
+    }
+
+    @Override
+    public FileManager createDirectory() throws IOException {
+        this.createDirectoryInternal(this.path);
+        return this;
+    }
+
+    @Override
+    public FileManager createDirectory(String directoryName) throws IOException {
+        this.createDirectoryInternal(this.resolveStringPath(directoryName));
+        return this;
+    }
+
+    @Override
+    public FileManager createDirectoryIfNotExist() throws IOException {
+        if (!this.isExist()) {
+            this.createDirectory();
+        }
+        return this;
+    }
+
+    @Override
+    public FileManager createDirectoryIfNotExist(String directoryName) throws IOException {
+        if (!this.isExist(directoryName)) {
+            this.createDirectory(directoryName);
+        }
+        return this;
+    }
+
+    // Internal
+    private void saveXmlInternal(Document document, Path path) throws IOException {
+        try {
+            TransformerFactory transformerFactory = TransformerFactory.newInstance();
+            Transformer transformer = transformerFactory.newTransformer();
+            DOMSource source = new DOMSource(document);
+
+            StreamResult result = new StreamResult(path.toFile());
+
+            transformer.transform(source, result);
+        } catch (Exception e) {
+            logger.error("saveXmlInternal", e.getMessage());
+            e.printStackTrace();
+            throw new IOException("Failed to save xml");
+        }
+    }
+    private void saveBitmapInternal(Bitmap bitmap, Path path) throws IOException {
+        try {
+            logger.debug("saveBitmapInternal", "path: " + path);
+            bitmap.compress(Bitmap.CompressFormat.PNG, 100, Files.newOutputStream(path));
+        } catch (Exception e) {
+            logger.error("saveBitmapInternal", e.getMessage());
+            throw new IOException("Failed to save bitmap");
+        }
+    }
+
+    @Override
+    public void saveXml(Document document, String fileName) throws IOException {
+        this.saveXmlInternal(document, this.resolveStringPath(fileName));
+    }
+
+    @Override
+    public void saveXml(Document document) throws IOException {
+        this.saveXmlInternal(document, this.path);
+    }
+
+    @Override
+    public void saveBitmap(Bitmap bitmap, String fileName) throws IOException {
+        this.saveBitmapInternal(bitmap, this.resolveStringPath(fileName));
+    }
+
+    @Override
+    public void saveBitmap(Bitmap bitmap) throws IOException {
+        this.saveBitmapInternal(bitmap, this.path);
+    }
+
+    // Internal
+    private Document loadXmlInternal(Path path) throws IOException {
+        try {
+            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+            DocumentBuilder builder = factory.newDocumentBuilder();
+            return builder.parse(Files.newInputStream(path));
+        } catch (Exception e) {
+            logger.error("loadXmlInternal", e.getMessage());
+            throw new IOException("Failed to load xml");
+        }
+    }
+    private Bitmap loadBitmapInternal(Path path) throws IOException {
+        try {
+            return BitmapFactory.decodeFile(path.toString());
+        } catch (Exception e) {
+            logger.error("loadBitmapInternal", e.getMessage());
+            throw new IOException("Failed to load bitmap");
+        }
+    }
+
+    @Override
+    public Document loadXml(String fileName) throws IOException {
+        return this.loadXmlInternal(this.resolveStringPath(fileName));
+    }
+
+    @Override
+    public Document loadXml() throws IOException {
+        return this.loadXmlInternal(this.path);
+    }
+
+    @Override
+    public Bitmap loadBitmap(String fileName) throws IOException {
+        return this.loadBitmapInternal(this.resolveStringPath(fileName));
+    }
+
+    @Override
+    public Bitmap loadBitmap() throws IOException {
+        return this.loadBitmapInternal(this.path);
+    }
+}
diff --git a/source/src/main/java/one/nem/lacerta/source/file/impl/placeholder b/source/src/main/java/one/nem/lacerta/source/file/impl/placeholder
new file mode 100644
index 00000000..e69de29b
diff --git a/source/src/main/java/one/nem/lacerta/source/file/module/FileManagerModule.java b/source/src/main/java/one/nem/lacerta/source/file/module/FileManagerModule.java
new file mode 100644
index 00000000..68a35913
--- /dev/null
+++ b/source/src/main/java/one/nem/lacerta/source/file/module/FileManagerModule.java
@@ -0,0 +1,20 @@
+package one.nem.lacerta.source.file.module;
+
+import java.nio.file.Path;
+
+import dagger.assisted.Assisted;
+import dagger.assisted.AssistedInject;
+
+public class FileManagerModule {
+
+    private final Path rootDir;
+
+    @AssistedInject
+    public FileManagerModule(@Assisted Path rootDir) {
+        this.rootDir = rootDir;
+    }
+
+    public Path getRootDir() {
+        return rootDir;
+    }
+}
diff --git a/source/src/main/java/one/nem/lacerta/source/file/module/placeholder b/source/src/main/java/one/nem/lacerta/source/file/module/placeholder
new file mode 100644
index 00000000..e69de29b
diff --git a/utils/build.gradle b/utils/build.gradle
index db7197a6..1aab90c9 100644
--- a/utils/build.gradle
+++ b/utils/build.gradle
@@ -37,5 +37,6 @@ dependencies {
     implementation libs.com.google.dagger.hilt.android
     annotationProcessor libs.com.google.dagger.hilt.compiler
 
-    //
+    // model
+    implementation project(':model')
 }
\ No newline at end of file
diff --git a/utils/src/main/java/one/nem/lacerta/utils/LacertaLogger.java b/utils/src/main/java/one/nem/lacerta/utils/LacertaLogger.java
index f49da584..64076771 100644
--- a/utils/src/main/java/one/nem/lacerta/utils/LacertaLogger.java
+++ b/utils/src/main/java/one/nem/lacerta/utils/LacertaLogger.java
@@ -1,5 +1,7 @@
 package one.nem.lacerta.utils;
 
+import one.nem.lacerta.utils.model.KeyValueLog;
+
 public interface LacertaLogger {
 
     void info(String tag, String message);
@@ -9,4 +11,7 @@ public interface LacertaLogger {
     void trace(String tag, String message);
     void fatal(String tag, String message);
 
+    String buildKVMessage(KeyValueLog... logs);
+    // With name
+    String buildKVMessage(String name, KeyValueLog... logs);
 }
diff --git a/utils/src/main/java/one/nem/lacerta/utils/XmlMetaParser.java b/utils/src/main/java/one/nem/lacerta/utils/XmlMetaParser.java
new file mode 100644
index 00000000..9aeac296
--- /dev/null
+++ b/utils/src/main/java/one/nem/lacerta/utils/XmlMetaParser.java
@@ -0,0 +1,13 @@
+package one.nem.lacerta.utils;
+
+import org.w3c.dom.Document;
+
+import one.nem.lacerta.model.document.internal.XmlMetaModel;
+
+public interface XmlMetaParser {
+
+    XmlMetaModel deserialize(Document document);
+
+    Document serialize(XmlMetaModel meta);
+
+}
diff --git a/utils/src/main/java/one/nem/lacerta/utils/impl/LacertaLoggerImpl.java b/utils/src/main/java/one/nem/lacerta/utils/impl/LacertaLoggerImpl.java
index aba337d8..d2b35dd2 100644
--- a/utils/src/main/java/one/nem/lacerta/utils/impl/LacertaLoggerImpl.java
+++ b/utils/src/main/java/one/nem/lacerta/utils/impl/LacertaLoggerImpl.java
@@ -5,6 +5,8 @@ import android.util.Log;
 import javax.inject.Inject;
 
 import one.nem.lacerta.utils.LacertaLogger;
+import one.nem.lacerta.utils.model.KeyValueLog;
+
 public class LacertaLoggerImpl implements LacertaLogger{
 
     @Inject
@@ -40,4 +42,30 @@ public class LacertaLoggerImpl implements LacertaLogger{
     public void fatal(String tag, String message) {
         Log.wtf(tag, message);
     }
+
+    @Override
+    public String buildKVMessage(KeyValueLog... logs) {
+        StringBuilder builder = new StringBuilder();
+        for (KeyValueLog log : logs) {
+            builder.append(log.getKey());
+            builder.append(": ");
+            builder.append(log.getValue());
+            builder.append("\n");
+        }
+        return builder.toString();
+    }
+
+    @Override
+    public String buildKVMessage(String name, KeyValueLog... logs) {
+        StringBuilder builder = new StringBuilder();
+        builder.append(name);
+        builder.append("\n");
+        for (KeyValueLog log : logs) {
+            builder.append(log.getKey());
+            builder.append(": ");
+            builder.append(log.getValue());
+            builder.append("\n");
+        }
+        return builder.toString();
+    }
 }
diff --git a/utils/src/main/java/one/nem/lacerta/utils/impl/XmlMetaParserImpl.java b/utils/src/main/java/one/nem/lacerta/utils/impl/XmlMetaParserImpl.java
new file mode 100644
index 00000000..7874a0b9
--- /dev/null
+++ b/utils/src/main/java/one/nem/lacerta/utils/impl/XmlMetaParserImpl.java
@@ -0,0 +1,96 @@
+package one.nem.lacerta.utils.impl;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+import java.util.ArrayList;
+
+import javax.inject.Inject;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+
+import one.nem.lacerta.model.document.internal.XmlMetaModel;
+import one.nem.lacerta.model.document.internal.XmlMetaPageModel;
+import one.nem.lacerta.utils.XmlMetaParser;
+
+import one.nem.lacerta.utils.LacertaLogger;
+
+public class XmlMetaParserImpl implements XmlMetaParser{
+
+    @Inject
+    LacertaLogger logger;
+
+    @Inject
+    public XmlMetaParserImpl() {
+    }
+
+    @Override
+    public XmlMetaModel deserialize(Document document) {
+        logger.debug("deserialize", "called");
+        try {
+            Element rootElement = document.getDocumentElement();
+
+            XmlMetaModel meta = new XmlMetaModel();
+
+            meta.setTitle(rootElement.getElementsByTagName("title").item(0).getTextContent());
+            meta.setAuthor(rootElement.getElementsByTagName("author").item(0).getTextContent());
+            meta.setDescription(rootElement.getElementsByTagName("description").item(0).getTextContent());
+            meta.setDefaultBranch(rootElement.getElementsByTagName("defaultBranch").item(0).getTextContent());
+
+            ArrayList<XmlMetaPageModel> pages = new ArrayList<>();
+            for(int i = 0; i < rootElement.getElementsByTagName("pages").getLength(); i++) {
+                Element pageElement = (Element) rootElement.getElementsByTagName("page").item(i);
+                XmlMetaPageModel page = new XmlMetaPageModel();
+                page.setFilename(pageElement.getElementsByTagName("filename").item(0).getTextContent());
+                pages.add(page);
+            }
+
+            meta.setPages(pages);
+
+            return meta;
+        } catch (Exception e) {
+            logger.error("deserialize", "something wrong");
+            logger.trace("deserialize", e.getMessage());
+        }
+        return null;
+    }
+    @Override
+    public Document serialize(XmlMetaModel meta) {
+        logger.debug("serialize", "called");
+        try {
+            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+            DocumentBuilder builder = factory.newDocumentBuilder();
+            Document document = builder.newDocument();
+
+            Element rootElement = document.createElement("meta");
+
+            appendElement(document, rootElement, "title", meta.getTitle());
+            appendElement(document, rootElement, "author", meta.getAuthor());
+            appendElement(document, rootElement, "description", meta.getDescription());
+            appendElement(document, rootElement, "defaultBranch", meta.getDefaultBranch());
+
+            Element pagesElement = document.createElement("pages");
+            for(XmlMetaPageModel page : meta.getPages()) {
+                Element pageElement = document.createElement("page");
+                appendElement(document, pageElement, "filename", page.getFilename());
+                pagesElement.appendChild(pageElement);
+            }
+
+            rootElement.appendChild(pagesElement);
+
+            document.appendChild(rootElement);
+
+            return document;
+        } catch (Exception e) {
+            logger.error("serialize", "something wrong");
+            logger.trace("serialize", e.getMessage());
+        }
+        return null;
+    }
+    // Internal Methods
+    private void appendElement(Document document, Element rootElement, String name, String textContent) {
+        Element element = document.createElement(name);
+        element.setTextContent(textContent);
+        rootElement.appendChild(element);
+    }
+}
diff --git a/utils/src/main/java/one/nem/lacerta/utils/model/KeyValueLog.java b/utils/src/main/java/one/nem/lacerta/utils/model/KeyValueLog.java
new file mode 100644
index 00000000..e33d0355
--- /dev/null
+++ b/utils/src/main/java/one/nem/lacerta/utils/model/KeyValueLog.java
@@ -0,0 +1,31 @@
+package one.nem.lacerta.utils.model;
+
+public class KeyValueLog {
+
+    String key;
+    String value;
+
+    public KeyValueLog(String key, String value) {
+        this.key = key;
+        this.value = value;
+    }
+
+    // Getter
+    public String getKey() {
+        return key;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    // Setter
+    public void setKey(String key) {
+        this.key = key;
+    }
+
+    public void setValue(String value) {
+        this.value = value;
+    }
+
+}
diff --git a/utils/src/main/java/one/nem/lacerta/utils/module/XmlMetaParserModule.java b/utils/src/main/java/one/nem/lacerta/utils/module/XmlMetaParserModule.java
new file mode 100644
index 00000000..8e2f61f2
--- /dev/null
+++ b/utils/src/main/java/one/nem/lacerta/utils/module/XmlMetaParserModule.java
@@ -0,0 +1,17 @@
+package one.nem.lacerta.utils.module;
+
+
+import dagger.Binds;
+import dagger.Module;
+import dagger.hilt.InstallIn;
+import dagger.hilt.components.SingletonComponent;
+
+import one.nem.lacerta.utils.XmlMetaParser;
+import one.nem.lacerta.utils.impl.XmlMetaParserImpl;
+@Module
+@InstallIn(SingletonComponent.class)
+abstract public class XmlMetaParserModule {
+
+    @Binds
+    public abstract XmlMetaParser bindXmlMetaParser(XmlMetaParserImpl impl);
+}
diff --git a/vcs/.gitignore b/vcs/.gitignore
new file mode 100644
index 00000000..42afabfd
--- /dev/null
+++ b/vcs/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/vcs/build.gradle b/vcs/build.gradle
new file mode 100644
index 00000000..874bad5d
--- /dev/null
+++ b/vcs/build.gradle
@@ -0,0 +1,59 @@
+plugins {
+    alias(libs.plugins.com.android.library)
+}
+
+android {
+    namespace 'one.nem.lacerta.vcs'
+    compileSdk 34
+
+    defaultConfig {
+        minSdk 26
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles "consumer-rules.pro"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation libs.androidx.appcompat
+    implementation libs.com.google.android.material
+    testImplementation libs.junit
+    androidTestImplementation libs.androidx.test.ext.junit
+    androidTestImplementation libs.androidx.test.espresso.core
+
+    // Hilt (DI)
+    implementation libs.com.google.dagger.hilt.android
+    annotationProcessor libs.com.google.dagger.hilt.compiler
+
+    implementation project(':model')
+    implementation project(':source')
+    implementation project(':utils')
+
+    // Jackson
+    // TODO-rca: バージョンカタログにうつす
+
+    // https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-core
+    implementation 'com.fasterxml.jackson.core:jackson-core:2.16.1'
+
+    // https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind
+    implementation 'com.fasterxml.jackson.core:jackson-databind:2.16.1'
+
+    // https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-annotations
+    implementation 'com.fasterxml.jackson.core:jackson-annotations:2.16.1'
+
+    // Room
+    implementation libs.androidx.room.runtime
+    annotationProcessor libs.androidx.room.compiler
+}
\ No newline at end of file
diff --git a/vcs/consumer-rules.pro b/vcs/consumer-rules.pro
new file mode 100644
index 00000000..e69de29b
diff --git a/vcs/proguard-rules.pro b/vcs/proguard-rules.pro
new file mode 100644
index 00000000..481bb434
--- /dev/null
+++ b/vcs/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
\ No newline at end of file
diff --git a/vcs/src/androidTest/java/one/nem/lacerta/vcs/ExampleInstrumentedTest.java b/vcs/src/androidTest/java/one/nem/lacerta/vcs/ExampleInstrumentedTest.java
new file mode 100644
index 00000000..949044c6
--- /dev/null
+++ b/vcs/src/androidTest/java/one/nem/lacerta/vcs/ExampleInstrumentedTest.java
@@ -0,0 +1,26 @@
+package one.nem.lacerta.vcs;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("one.nem.lacerta.vcs.test", appContext.getPackageName());
+    }
+}
\ No newline at end of file
diff --git a/vcs/src/main/AndroidManifest.xml b/vcs/src/main/AndroidManifest.xml
new file mode 100644
index 00000000..a5918e68
--- /dev/null
+++ b/vcs/src/main/AndroidManifest.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>
\ No newline at end of file
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/ActionType.java b/vcs/src/main/java/one/nem/lacerta/vcs/ActionType.java
new file mode 100644
index 00000000..bc664a0d
--- /dev/null
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/ActionType.java
@@ -0,0 +1,48 @@
+package one.nem.lacerta.vcs;
+
+public enum ActionType {
+
+    INSERT_PAGE("insert_page"),
+    UPDATE_PAGE("update_page"),
+    DELETE_PAGE("delete_page"),
+
+    // TODO-rca: 実装----------------------------------------
+    UPDATE_PAGE_ORDER("update_page_order"),
+    INSERT_PAGE_CONTENT("insert_page_content"),
+    UPDATE_PAGE_CONTENT("update_page_content"),
+    DELETE_PAGE_CONTENT("delete_page_content"),
+
+    CREATE_BRANCH("create_branch"),
+    DROP_BRANCH("drop_branch"),
+    REBASE_BRANCH("rebase_branch"),
+
+    // -----------------------------------------------------
+
+    CREATE_DOCUMENT("create_document"),
+    DROP_DOCUMENT("drop_document"),
+
+    // TODO-rca: 実装----------------------------------------
+    UPDATE_DOCUMENT_META("update_document_meta"),
+    // -----------------------------------------------------
+
+    OTHER("other");
+
+    private final String value;
+
+    ActionType(String value) {
+        this.value = value;
+    }
+
+    public String getValue() {
+        return value;
+    }
+
+    public static ActionType fromValue(String value) {
+        for (ActionType actionType : ActionType.values()) {
+            if (actionType.getValue().equals(value)) {
+                return actionType;
+            }
+        }
+        return ActionType.OTHER;
+    }
+}
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/LacertaVcs.java b/vcs/src/main/java/one/nem/lacerta/vcs/LacertaVcs.java
new file mode 100644
index 00000000..29125361
--- /dev/null
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/LacertaVcs.java
@@ -0,0 +1,15 @@
+package one.nem.lacerta.vcs;
+
+public interface LacertaVcs {
+
+    // Actions
+    public void updatePage(int index, String fileName);
+
+    public void insertPage(int index, String fileName);
+
+    public void deletePage(int index);
+
+    // debug
+    public void printLog();
+
+}
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/factory/LacertaVcsFactory.java b/vcs/src/main/java/one/nem/lacerta/vcs/factory/LacertaVcsFactory.java
new file mode 100644
index 00000000..88a81bd0
--- /dev/null
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/factory/LacertaVcsFactory.java
@@ -0,0 +1,10 @@
+package one.nem.lacerta.vcs.factory;
+
+import dagger.assisted.AssistedFactory;
+import one.nem.lacerta.vcs.impl.LacertaVcsImpl;
+
+@AssistedFactory
+public interface LacertaVcsFactory {
+
+    LacertaVcsImpl create(String documentId);
+}
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/impl/LacertaVcsImpl.java b/vcs/src/main/java/one/nem/lacerta/vcs/impl/LacertaVcsImpl.java
new file mode 100644
index 00000000..0a20e5e3
--- /dev/null
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/impl/LacertaVcsImpl.java
@@ -0,0 +1,62 @@
+package one.nem.lacerta.vcs.impl;
+
+import java.util.UUID;
+
+import javax.inject.Inject;
+
+import dagger.assisted.Assisted;
+import dagger.assisted.AssistedInject;
+import one.nem.lacerta.source.database.LacertaDatabase;
+import one.nem.lacerta.source.database.entity.VcsLogEntity;
+import one.nem.lacerta.utils.LacertaLogger;
+import one.nem.lacerta.vcs.LacertaVcs;
+
+public class LacertaVcsImpl implements LacertaVcs {
+
+    // TAG
+    private static final String TAG = LacertaVcsImpl.class.getSimpleName();
+
+    String documentId;
+
+    LacertaDatabase database;
+
+    LacertaLogger logger;
+
+    @AssistedInject
+    public LacertaVcsImpl(LacertaLogger logger, LacertaDatabase database, @Assisted String documentId) {
+        this.logger = logger;
+        this.database = database;
+        this.documentId = documentId;
+        logger.debug(TAG, "LacertaVcsImpl constructor");
+    }
+
+    @Override
+    public void updatePage(int index, String fileName) {
+
+    }
+
+    @Override
+    public void insertPage(int index, String fileName) {
+        logger.debug(TAG, "insertPage");
+        VcsLogEntity vcsLogEntity = new VcsLogEntity();
+        vcsLogEntity.id = UUID.randomUUID().toString();
+        vcsLogEntity.documentId = documentId;
+        vcsLogEntity.branchName = "master";
+        vcsLogEntity.createdAt = new java.util.Date();
+        vcsLogEntity.action = "placeholder";
+        database.vcsLogDao().insert(vcsLogEntity);
+    }
+
+    @Override
+    public void deletePage(int index) {
+
+    }
+
+    @Override
+    public void printLog() {
+        logger.debug(TAG, "printLog");
+        database.vcsLogDao().findAll().forEach(vcsLog -> {
+            logger.debug(TAG, vcsLog.id);
+        });
+    }
+}
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/internal/JsonUtils.java b/vcs/src/main/java/one/nem/lacerta/vcs/internal/JsonUtils.java
new file mode 100644
index 00000000..8925e51d
--- /dev/null
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/internal/JsonUtils.java
@@ -0,0 +1,65 @@
+package one.nem.lacerta.vcs.internal;
+
+import android.provider.ContactsContract;
+
+import one.nem.lacerta.vcs.ActionType;
+import one.nem.lacerta.vcs.model.action.DeletePage;
+import one.nem.lacerta.vcs.model.action.InsertPage;
+import one.nem.lacerta.vcs.model.action.UpdatePage;
+import one.nem.lacerta.vcs.model.action.common.ActionBase;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class JsonUtils {
+
+    // TODO-rca: Injectionで実装しなおす
+
+    // Public methods
+
+    public static String toJson(Object object) {
+        ActionBase converted;
+        if (object == null) {
+            return null;
+        } else if (object instanceof ActionBase) {
+            ObjectMapper mapper = new ObjectMapper();
+            switch (((ActionBase) object).getActionType()) {
+                case INSERT_PAGE:
+                    converted = (InsertPage) object;
+                    break;
+                case UPDATE_PAGE:
+                    converted = (UpdatePage) object;
+                    break;
+                case DELETE_PAGE:
+                    converted = (DeletePage) object;
+                    break;
+                default:
+                    throw new IllegalArgumentException("Unknown action type");
+            }
+            try {
+                return mapper.writeValueAsString(converted);
+            } catch (Exception e) {
+                throw new RuntimeException(e);
+            }
+        }
+        throw new IllegalArgumentException("Unknown object type");
+    }
+
+    public static Object fromJson(String json, ActionType actionType) {
+        ObjectMapper mapper = new ObjectMapper();
+        try {
+            switch (actionType) {
+                case INSERT_PAGE:
+                    return mapper.readValue(json, InsertPage.class);
+                case UPDATE_PAGE:
+                    return mapper.readValue(json, UpdatePage.class);
+                case DELETE_PAGE:
+                    return mapper.readValue(json, DeletePage.class);
+                default:
+                    throw new IllegalArgumentException("Unknown action type");
+            }
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+}
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/model/action/DeletePage.java b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/DeletePage.java
new file mode 100644
index 00000000..e0b9f276
--- /dev/null
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/DeletePage.java
@@ -0,0 +1,19 @@
+package one.nem.lacerta.vcs.model.action;
+
+import one.nem.lacerta.vcs.model.action.common.ActionBase;
+
+public class DeletePage extends ActionBase {
+
+        private int index;
+
+        public DeletePage() {
+        }
+
+        public DeletePage(int index) {
+            this.index = index;
+        }
+
+        public int getIndex() {
+            return index;
+        }
+}
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/model/action/InsertPage.java b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/InsertPage.java
new file mode 100644
index 00000000..b4e5ca58
--- /dev/null
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/InsertPage.java
@@ -0,0 +1,25 @@
+package one.nem.lacerta.vcs.model.action;
+
+import one.nem.lacerta.vcs.model.action.common.ActionBase;
+
+public class InsertPage extends ActionBase {
+
+    private int index;
+    private String fileName;
+
+    public InsertPage() {
+    }
+
+    public InsertPage(int index, String fileName) {
+        this.index = index;
+        this.fileName = fileName;
+    }
+
+    public int getIndex() {
+        return index;
+    }
+
+    public String getFileName() {
+        return fileName;
+    }
+}
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/model/action/UpdatePage.java b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/UpdatePage.java
new file mode 100644
index 00000000..6a274bb5
--- /dev/null
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/UpdatePage.java
@@ -0,0 +1,25 @@
+package one.nem.lacerta.vcs.model.action;
+
+import one.nem.lacerta.vcs.model.action.common.ActionBase;
+
+public class UpdatePage extends ActionBase {
+
+    private int index;
+    private String fileName;
+
+    public UpdatePage() {
+    }
+
+    public UpdatePage(int index, String fileName) {
+        this.index = index;
+        this.fileName = fileName;
+    }
+
+    public int getIndex() {
+        return index;
+    }
+
+    public String getFileName() {
+        return fileName;
+    }
+}
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/model/action/common/ActionBase.java b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/common/ActionBase.java
new file mode 100644
index 00000000..28857183
--- /dev/null
+++ b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/common/ActionBase.java
@@ -0,0 +1,22 @@
+package one.nem.lacerta.vcs.model.action.common;
+
+import one.nem.lacerta.vcs.ActionType;
+
+public class ActionBase {
+    private ActionType actionType;
+
+    public ActionBase() {
+    }
+
+    public ActionBase(ActionType actionType) {
+        this.actionType = actionType;
+    }
+
+    public ActionType getActionType() {
+        return actionType;
+    }
+
+    public void setActionType(ActionType actionType) {
+        this.actionType = actionType;
+    }
+}
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/model/action/common/placeholder b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/common/placeholder
new file mode 100644
index 00000000..e69de29b
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/model/action/placeholder b/vcs/src/main/java/one/nem/lacerta/vcs/model/action/placeholder
new file mode 100644
index 00000000..e69de29b
diff --git a/vcs/src/main/java/one/nem/lacerta/vcs/model/placeholder b/vcs/src/main/java/one/nem/lacerta/vcs/model/placeholder
new file mode 100644
index 00000000..e69de29b
diff --git a/vcs/src/test/java/one/nem/lacerta/vcs/ExampleUnitTest.java b/vcs/src/test/java/one/nem/lacerta/vcs/ExampleUnitTest.java
new file mode 100644
index 00000000..b99830ca
--- /dev/null
+++ b/vcs/src/test/java/one/nem/lacerta/vcs/ExampleUnitTest.java
@@ -0,0 +1,17 @@
+package one.nem.lacerta.vcs;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}
\ No newline at end of file