diff --git a/src/main/java/org/ntlab/citrusserver/entities/Book.java b/src/main/java/org/ntlab/citrusserver/entities/Book.java
index fb612e1..f9aec9b 100644
--- a/src/main/java/org/ntlab/citrusserver/entities/Book.java
+++ b/src/main/java/org/ntlab/citrusserver/entities/Book.java
@@ -8,6 +8,12 @@
     private int bookId;
     private int todoId = 0;
 
+    public Book(String title, boolean publicity, String color) {
+        this.title = title;
+        this.publicity = publicity;
+        this.color = color;
+    }
+
     public void setTitle(String t) {title = t;}
     public String getTitle() {return title;}
     public void setPublicity(boolean p) {publicity = p;}
diff --git a/src/main/java/org/ntlab/citrusserver/entities/Todo.java b/src/main/java/org/ntlab/citrusserver/entities/Todo.java
index c65bd5b..8ba929b 100644
--- a/src/main/java/org/ntlab/citrusserver/entities/Todo.java
+++ b/src/main/java/org/ntlab/citrusserver/entities/Todo.java
@@ -8,6 +8,14 @@
     int day;
     Integer todoId;
 
+    public Todo(String t, boolean c, int y, int m, int d, Integer tid) {
+        title = t;
+        check = c;
+        year = y;
+        month = m;
+        day = d;
+        todoId = tid;
+    }
     public void setTitle(String t) {title = t;}
     public String getTitle() {return title;}
     public void setCheck(boolean c) {check = c;}
diff --git a/src/main/java/org/ntlab/citrusserver/repositories/AccountManager.java b/src/main/java/org/ntlab/citrusserver/repositories/AccountManager.java
index e7291b8..9efa708 100644
--- a/src/main/java/org/ntlab/citrusserver/repositories/AccountManager.java
+++ b/src/main/java/org/ntlab/citrusserver/repositories/AccountManager.java
@@ -1,4 +1,39 @@
 package org.ntlab.citrusserver.repositories;
 
+import jakarta.ws.rs.*;
+import jakarta.ws.rs.core.MediaType;
+import org.ntlab.citrusserver.entities.Account;
+import org.springframework.stereotype.Component;
+import org.springframework.stereotype.Repository;
+
+import java.lang.reflect.Array;
+import java.util.*;
+
+import java.util.HashMap;
+
+@Repository
 public class AccountManager {
+    private HashMap<String, Account> accounts = new HashMap<String, Account>();
+
+    private HashMap<String, String> accountToken = new HashMap<>(); //keyがaccountId,valueがtoken
+
+    // アカウントの一覧をリストとして返す
+    public Set<String> getAccountsID() {
+        return accounts.keySet();
+    }
+
+    // account_idとpasswordを設定し新しいアカウントを作成する
+    public String newAccount(String accountId, String password) {
+        UUID str = UUID.randomUUID();
+        String token = str.toString();
+        //accounts.setId(accountId);
+        //accounts.setPassword(password);
+        accountToken.put(accountId, token); //accountIDとtokenをHashMapに入れる
+        return token;
+    }
+
+    // 指定されたアカウントの情報を返す
+    public Account getAccount(String accountId) {
+        return accounts.get(accountId);
+    }
 }
diff --git a/src/main/java/org/ntlab/citrusserver/repositories/BookManager.java b/src/main/java/org/ntlab/citrusserver/repositories/BookManager.java
index b371ae5..97817d0 100644
--- a/src/main/java/org/ntlab/citrusserver/repositories/BookManager.java
+++ b/src/main/java/org/ntlab/citrusserver/repositories/BookManager.java
@@ -1,4 +1,73 @@
 package org.ntlab.citrusserver.repositories;
 
+import org.ntlab.citrusserver.entities.Account;
+import org.ntlab.citrusserver.entities.Book;
+import org.springframework.stereotype.Repository;
+import java.util.HashMap;
+
+@Repository
 public class BookManager {
+
+    private HashMap<String, HashMap<Integer, Book>> booksMap = new HashMap<>();
+
+    //本の一覧を返す
+    public HashMap<String, HashMap<Integer, Book>> getBooksMap()
+    {
+        return booksMap;
+    }
+
+    //本の新規作成
+    public int createBook(String accountId, String title, String color, Boolean publicity)
+    {
+        Account account = new Account(); //仮（Account作成時に相談）
+        Book book = new Book(title, publicity, color);
+        account.setBookCount(); //仮（本作成時、Account側で作られた本の数の加算を行ってもらう）
+        return account.getnewId(); //仮（本の数を更新し、AccountIDを返してもらう）
+    }
+
+    //本の情報を取得
+    public Book getBook(String accountId, Integer bookId)
+    {
+        return booksMap.get(accountId).get(bookId);
+    }
+
+    //本の削除
+    public void deleteBook(String accountId, Integer bookId)
+    {
+        booksMap.get(accountId).remove(bookId);
+    }
+
+    //（（（　いいねは省略　）））
+
+    //本のタイトルを返す
+    public String getTitle(String accountId, Integer bookId)
+    {
+        return booksMap.get(accountId).get(bookId).getTitle();
+    }
+
+    //本のタイトルを変更
+    public void putTitle(String accountId, Integer bookId, String title)
+    {
+        booksMap.get(accountId).get(bookId).setTitle(title);
+    }
+
+    //本の公開情報を返す
+    public Boolean getPublicity(String accountId, Integer bookId)
+    {
+        return booksMap.get(accountId).get(bookId).getPublicity();
+    }
+
+    //公開情報を変更する
+    public void putPublicity(String accountId, Integer bookId, Boolean publicity)
+    {
+        booksMap.get(accountId).get(bookId).setPublicity(publicity);
+    }
+
+    //（（（　目標・振り返りは省略　）））
+
+    //本の色を変更する
+    public void putColor(String accountId, Integer bookId, String color)
+    {
+        booksMap.get(accountId).get(bookId).setColor(color);
+    }
 }