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
index 89fcf972..5adf85ad 100644
--- a/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryStubImpl.java
+++ b/data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryStubImpl.java
@@ -1,9 +1,99 @@
 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.utils.LacertaLogger;
+
+import com.github.javafaker.Faker;
+
+import java.util.ArrayList;
+import java.util.Objects;
+import java.util.UUID;
+
+import javax.inject.Inject;
+
 public class LacertaLibraryStubImpl implements LacertaLibrary {
+
+    @Inject
+    LacertaLogger logger;
+
+    Faker faker;
+
+    public LacertaLibraryStubImpl() {
+        faker = new Faker(); // Init Faker
+        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 " + faker.date().toString());
+            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 " + faker.date().toString());
+            listItem.setItemType(ListItemType.ITEM_TYPE_DOCUMENT);
+            listItem.setItemId(UUID.randomUUID().toString());
+            return listItem;
+        } else {
+            return null;
+        }
+    }
+
     @Override
     public LibraryItemPage getRecentDocument(int limit) {
         return null;
@@ -16,22 +106,22 @@ public class LacertaLibraryStubImpl implements LacertaLibrary {
 
     @Override
     public LibraryItemPage getLibraryPage(int limit) {
-        return null;
+        return generateStubLibraryItemPage(limit, null);
     }
 
     @Override
     public LibraryItemPage getLibraryPage(int limit, int offset) {
-        return null;
+        return generateStubLibraryItemPage(limit, null);
     }
 
     @Override
     public LibraryItemPage getLibraryPage(String pageId, int limit) {
-        return null;
+        return generateStubLibraryItemPage(limit, pageId);
     }
 
     @Override
     public LibraryItemPage getLibraryPage(String pageId, int limit, int offset) {
-        return null;
+        return generateStubLibraryItemPage(limit, pageId);
     }
 
     @Override