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);
+    }
 }