diff --git a/data/src/main/java/one/nem/lacerta/data/impl/DocumentDebugImpl.java b/data/src/main/java/one/nem/lacerta/data/impl/DocumentDebugImpl.java
index fc57d5fc..a90f9aac 100644
--- a/data/src/main/java/one/nem/lacerta/data/impl/DocumentDebugImpl.java
+++ b/data/src/main/java/one/nem/lacerta/data/impl/DocumentDebugImpl.java
@@ -1,4 +1,32 @@
 package one.nem.lacerta.data.impl;
 
-public class DocumentDebugImpl {
+import java.util.List;
+
+import one.nem.lacerta.data.DocumentDebug;
+import one.nem.lacerta.model.document.DocumentDetail;
+import one.nem.lacerta.model.document.DocumentMeta;
+
+import one.nem.lacerta.source.database.entity.DocumentEntity;
+import one.nem.lacerta.source.database.entity.LibraryEntity;
+import one.nem.lacerta.source.database.entity.TagEntity;
+
+public class DocumentDebugImpl implements DocumentDebug{
+    public void insertDocument(DocumentMeta meta, DocumentDetail detail) {
+        DocumentEntity documentEntity = new DocumentEntity();
+        LibraryEntity libraryEntity = new LibraryEntity();
+
+        documentEntity.id = meta.getId();
+        documentEntity.title = meta.getTitle();
+        documentEntity.createdAt = meta.getCreatedAt();
+        documentEntity.updatedAt = meta.getUpdatedAt();
+        documentEntity.author = detail.getAuthor();
+        documentEntity.defaultBranch = detail.getDefaultBranch();
+        // ArrayListからListに変換
+        documentEntity.tagIds = meta.getTagIds();
+
+        libraryEntity.id = meta.getId();
+        libraryEntity.path = "Placeholder";
+        libraryEntity.rootPath = "Placeholder";
+
+    }
 }