diff --git a/src/main/java/org/ntlab/nemophila/models/accounts/Account.java b/src/main/java/org/ntlab/nemophila/models/accounts/Account.java
index 76e7928..84cd138 100644
--- a/src/main/java/org/ntlab/nemophila/models/accounts/Account.java
+++ b/src/main/java/org/ntlab/nemophila/models/accounts/Account.java
@@ -57,9 +57,10 @@
 
 
     //新規投稿
-    public Post createPost(int rate, String genre, String comment, String image1, String image2, String image3, String sid) {
+    public Post createPost(String sid, int rate, String genre, String comment, String image1, String image2, String image3) {
         Post post = new Post();
 
+        post.setId(sid);
         post.setRate(rate);
         post.setGenre(genre);
         //コメントと写真は必須ではない。nullで登録できる？？？
@@ -68,11 +69,10 @@
         post.setImage1(image1);
         post.setImage2(image2);
         post.setImage3(image3);
-        post.setId(sid);
 
         posts.put(post.getId(), post);
 
-        return post;//必要ないけど一応
+        return post;
     }
 
     //pidを指定して投稿を一つ取得
@@ -99,4 +99,4 @@
     public FriendManager getFriendManager() {
         return friendManager;
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/java/org/ntlab/nemophila/models/accounts/AccountManager.java b/src/main/java/org/ntlab/nemophila/models/accounts/AccountManager.java
index 45b8dbc..1e3221f 100644
--- a/src/main/java/org/ntlab/nemophila/models/accounts/AccountManager.java
+++ b/src/main/java/org/ntlab/nemophila/models/accounts/AccountManager.java
@@ -20,6 +20,7 @@
     }
     //アカウントの取得
     public Account getAccount(String id){
+
         return accountsMap.get(id);
     }
     //新規アカウントの作成
@@ -46,6 +47,7 @@
     }
     //アカウント消去
     public void deleteAccount(String id){
+
         accountsMap.remove(id);
     }
 
diff --git a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountPostsRest.java b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountPostsRest.java
index a3064fd..98f12c9 100644
--- a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountPostsRest.java
+++ b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountPostsRest.java
@@ -1,27 +1,62 @@
 package org.ntlab.nemophila.resources.accounts;
 
+import org.ntlab.nemophila.models.accounts.Account;
+import org.ntlab.nemophila.models.accounts.AccountManager;
+import org.ntlab.nemophila.models.accounts.Post;
+import org.ntlab.nemophila.models.shops.Shop;
+import org.ntlab.nemophila.models.shops.ShopManager;
 import org.springframework.stereotype.Component;
 
 import javax.ws.rs.*;
 import javax.ws.rs.core.MediaType;
+import java.util.Collection;
 
 @Component
 @Path("/accounts")
 
 public class AccountPostsRest {
+    // 「/{uid}/posts」のPOSTメソッド
     @POST
     @Path("/{uid}/posts")
     @Produces(MediaType.APPLICATION_JSON)
-    public String postAccountPosts(@PathParam("uid") String uid, @FormParam("token") String token, @FormParam("genre") String genre,
-                                   @FormParam("image1") String img1, @FormParam("image2") String img2, @FormParam("image3") String img3,
-                                   @FormParam("rate") int rate, @FormParam("comment") String comme, @FormParam("sid") String sid){
-        return null;
+    public String postAccountPosts(@PathParam("uid") String uid, @FormParam("token") String token, @FormParam("sid") String sid,
+                                   @FormParam("rate") int rate, @FormParam("genre") String genre, @FormParam("comment") String comme,
+                                   @FormParam("image1") String img1, @FormParam("image2") String img2, @FormParam("image3") String img3) {
+        // アカウントインスタンスを生成する
+        AccountManager am = AccountManager.getInstance();
+        Account account = am.getAccount(uid);
+
+        /*
+         （対象のアカウントインスタンスが）
+         存在する場合：投稿を新規作成し、その投稿IDを返す
+         存在しない場合：何も返さない
+        */
+        if (account != null) {
+            Post post = account.createPost(sid, rate, genre, comme, img1, img2, img3);
+            return post.getId();
+        } else {
+            return null;
+        }
     }
 
+    // 「/{uid}/posts」のGETメソッド
     @GET
     @Path("/{uid}/posts")
     @Produces(MediaType.APPLICATION_JSON)
-    public String getAccountPosts(@PathParam("uid") String uid){
-        return null;
+    public Collection<Post> getAccountPosts(@PathParam("uid") String uid) {
+        // アカウントインスタンスを生成する
+        AccountManager am = AccountManager.getInstance();
+        Account account = am.getAccount(uid);
+
+        /*
+         （対象のアカウントインスタンスが）
+         存在する場合：全投稿の情報を取得し、それらを返す
+         存在しない場合：何も返さない
+        */
+        if (account != null) {
+            return account.getPosts();
+        } else {
+            return null;
+        }
     }
 }
diff --git a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountRest.java b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountRest.java
index 59e202e..ecb73cf 100644
--- a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountRest.java
+++ b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountRest.java
@@ -1,18 +1,92 @@
 package org.ntlab.nemophila.resources.accounts;
 
 
+import org.ntlab.nemophila.models.accounts.Account;
+import org.ntlab.nemophila.models.accounts.AccountManager;
 import org.springframework.stereotype.Component;
 
-import javax.ws.rs.GET;
-import javax.ws.rs.Path;
-import javax.ws.rs.PathParam;
+import javax.ws.rs.*;
+import javax.ws.rs.core.MediaType;
 
 @Component
 @Path("/accounts")
 public class AccountRest {
+
+    //ユーザー情報の取得
     @GET
     @Path("/{uid}")
-    public String getAccount(@PathParam("uid") String uid){
-        return null;
+    @Produces(MediaType.APPLICATION_JSON)
+    public Account getAccount(@PathParam("uid") String uid){
+        AccountManager am = AccountManager.getInstance();
+        Account ac = am.getAccount(uid);
+        return ac;
     }
+
+    //ユーザーの削除
+    @DELETE
+    @Path("/{uid}")
+    public void deleteAccount(@PathParam("uid") String uid,@FormParam("token") String token){
+        AccountManager am = AccountManager.getInstance();
+        Account ac = am.getAccount(uid);
+        if (ac.getToken().equals(token)) {
+            am.deleteAccount(uid);
+        } else {
+            System.out.println("Error : Miss match token");
+        }
+    }
+
+    //パスワードの変更
+    @PUT
+    @Path("/{uid}/pw")
+    public void pwChange(@PathParam("uid") String uid, @FormParam("oldPw") String oldPw, @FormParam("newPw") String newPw,@FormParam("token") String token){
+        AccountManager am = AccountManager.getInstance();
+        Account ac = am.getAccount(uid);
+        if (ac.getToken().equals(token)) {
+            if (ac.getPw().equals(oldPw)) {
+                ac.setPw(newPw);
+            } else {
+                System.out.println("Error : Miss match pw");
+            }
+        } else {
+            System.out.println("Error : Miss match token");
+        }
+    }
+//
+    //名前の変更
+    @PUT
+    @Path("/{uid}/name")
+    public void nameChange(@PathParam("uid") String uid, @FormParam("name") String name, @FormParam("token") String token){
+        AccountManager am = AccountManager.getInstance();
+        Account ac = am.getAccount(uid);
+        if (ac.getToken().equals(token)) {
+            ac.setName(name);
+        } else {
+            System.out.println("Error : Miss match token");
+        }
+
+    }
+
+    //アイコンの変更
+//    @PUT
+//    @Path("/{uid}/icon")
+//    public void nameChange(@PathParam("uid") String uid, @FormParam("name") String name, @FormParam("token") String token){
+//        AccountManager am = AccountManager.getInstance();
+//        Account ac = am.getAccount(uid);
+//        if (ac.getToken().equals(token)) {
+//            ac.setName(name);
+//        } else {
+//            System.out.println("Error : Miss match pw");
+//        }
+//
+//    }
+//    }
+
+    //アイコンの削除
+//    @DELETE
+//    @Path("/{uid}/icon")
+//    public String removeAccount(@PathParam("uid") String uid){
+//        AccountManager am = AccountManager.getInstance();
+//        Account ac = am.getAccount(uid);
+//        return null;
+//    }
 }
diff --git a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountsRest.java b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountsRest.java
index 004bd91..819c2b3 100644
--- a/src/main/java/org/ntlab/nemophila/resources/accounts/AccountsRest.java
+++ b/src/main/java/org/ntlab/nemophila/resources/accounts/AccountsRest.java
@@ -10,11 +10,13 @@
 @Component
 @Path("/accounts")
 public class AccountsRest {
+    //ユーザー新規登録
     @POST
+    @Produces(MediaType.APPLICATION_JSON)
     public Account createAccount(@FormParam("name") String name, @FormParam("pw") String pw) {
         AccountManager am = AccountManager.getInstance();
-        Account new_account = createAccount(name,pw);
+        Account newAccount = am.createAccount(name,pw);
 
-        return new_account;
+        return newAccount;
     }
 }
diff --git a/src/main/java/org/ntlab/nemophila/resources/accounts/FriendsRest.java b/src/main/java/org/ntlab/nemophila/resources/accounts/FriendsRest.java
index 8cb02d3..502b034 100644
--- a/src/main/java/org/ntlab/nemophila/resources/accounts/FriendsRest.java
+++ b/src/main/java/org/ntlab/nemophila/resources/accounts/FriendsRest.java
@@ -1,27 +1,93 @@
 package org.ntlab.nemophila.resources.accounts;
 
+import org.ntlab.nemophila.models.accounts.Account;
+import org.ntlab.nemophila.models.accounts.AccountManager;
+import org.ntlab.nemophila.models.accounts.FriendManager;
 import org.springframework.stereotype.Component;
 
 import javax.ws.rs.*;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
 
 @Component
 @Path("/accounts")
 public class FriendsRest {
     @GET
     @Path("/{uid}/friends")
-    public String getFriends(@PathParam("uid") String uid) {
-        return uid;
+    @Produces(MediaType.APPLICATION_JSON)
+    public Collection<String> getFriends(@PathParam("uid") String uid) {
+        AccountManager accountManager = AccountManager.getInstance();
+        Account account = accountManager.getAccount(uid);  //uidに紐づいたAccountのインスタンスを取得
+        FriendManager friendManager = account.getFriendManager();  //取得したAccountのインスタンスのFriendManagerを取得
+        HashSet<Account> friends = friendManager.getFriends();  //Accountのインスタンスが入ったHashSetを取得
+        ArrayList<String> ids = new ArrayList<>();  //YAML上ではidが入ったArrayListで返すのでそれ用に作成
+        for (Account ac : friends) {
+            ids.add(ac.getId());
+        }
+
+        return ids;
     }
 
     @PUT
     @Path("/{uid}/friends/{fid}")
-    public String putFriend(@PathParam("uid") String uid, @PathParam("fid") String fid) {
-        return null;
+    public void putFriend(@PathParam("uid") String uid, @PathParam("fid") String fid, @FormParam("token") String token) {
+        AccountManager accountManager = AccountManager.getInstance();
+        Account myAc = accountManager.getAccount(uid);  //uidに紐づいたAccountのインスタンスを取得
+        if (!(myAc.getToken().equals(token))) {
+            var response = Response.status(Response.Status.NO_CONTENT);
+            response.status(401).entity("tokenの認証に失敗");
+            throw new WebApplicationException(response.build());
+        }
+
+        Account otherAc = accountManager.getAccount(fid);  //fidに紐づいたAccountのインスタンスを取得
+        FriendManager myFriendManager = myAc.getFriendManager();  //uidのAccountのインスタンスのFriendManagerを取得
+        FriendManager otherAcFriendManager = otherAc.getFriendManager();  //fidのAccountのインスタンスのFriendManagerを取得
+
+        ArrayList<Account> otherRequesting = otherAcFriendManager.getRequesting();  //フレンド申請の送り主のフレンド申請中のArrayList
+        ArrayList<Account> myRequested = myFriendManager.getRequested();  //自身のフレンド申請されているArrayList
+
+        // 自身がフレンド申請を受け取っている、かつ相手がフレンド申請をしているとき実行
+        if (myRequested.contains(otherAc) && otherRequesting.contains(myAc)) {
+            myFriendManager.addFriend(otherAc);
+            myFriendManager.removeRequested(otherAc);
+
+            otherAcFriendManager.addFriend(myAc);
+            otherAcFriendManager.removeRequesting(myAc);
+        } else {
+            var response = Response.status(Response.Status.NO_CONTENT);
+            response.status(400).entity("リクエストが不正である");
+            throw new WebApplicationException(response.build());
+        }
     }
 
     @DELETE
     @Path("/{uid}/friends/{fid}")
-    public String deleteFriend(@PathParam("uid") String uid, @PathParam("fid") String fid) {
-        return null;
+    public void deleteFriend(@PathParam("uid") String uid, @PathParam("fid") String fid, @FormParam("token") String token) {
+        AccountManager accountManager = AccountManager.getInstance();
+        Account myAc = accountManager.getAccount(uid);  //uidに紐づいたAccountのインスタンスを取得
+        if (!(myAc.getToken().equals(token))) {
+            var response = Response.status(Response.Status.NO_CONTENT);
+            response.status(401).entity("tokenの認証に失敗");
+            throw new WebApplicationException(response.build());
+        }
+
+        Account otherAc = accountManager.getAccount(fid);  //fidに紐づいたAccountのインスタンスを取得
+        FriendManager myFriendManager = myAc.getFriendManager();  //uidのAccountのインスタンスのFriendManagerを取得
+        FriendManager otherFriendManager = otherAc.getFriendManager();  //fidのAccountのインスタンスのFriendManagerを取得
+
+        HashSet<Account> myFriends = myFriendManager.getFriends();  //uidのAccountのfriendsを取得
+        HashSet<Account> otherFriends = otherFriendManager.getFriends();  //fidのAccountのfriendsを取得
+
+        if (myFriends.contains(otherAc) || otherFriends.contains(myAc)) {
+            myFriends.remove(otherAc);
+            otherFriends.remove(myAc);
+        } else {
+            var response = Response.status(Response.Status.NO_CONTENT);
+            response.status(400).entity("リクエストが不正である");
+            throw new WebApplicationException(response.build());
+        }
     }
 }
diff --git a/src/main/java/org/ntlab/nemophila/resources/accounts/LoginRest.java b/src/main/java/org/ntlab/nemophila/resources/accounts/LoginRest.java
index f696126..8f06844 100644
--- a/src/main/java/org/ntlab/nemophila/resources/accounts/LoginRest.java
+++ b/src/main/java/org/ntlab/nemophila/resources/accounts/LoginRest.java
@@ -2,26 +2,28 @@
 
 import org.ntlab.nemophila.models.accounts.Account;
 import org.ntlab.nemophila.models.accounts.AccountManager;
+import org.springframework.stereotype.Component;
 
-import javax.ws.rs.FormParam;
-import javax.ws.rs.POST;
-import javax.ws.rs.Path;
-import javax.ws.rs.PathParam;
+import javax.ws.rs.*;
+import javax.ws.rs.core.MediaType;
 
-
+@Component
+@Path("/accounts")
 public class LoginRest {
     @POST
     @Path("/{uid}/login")
-    public Account getAccounts(@FormParam("uid") String uid, @FormParam("pw") String pw) {
-        AccountManager am = AccountManager.getInstance();
-        Account account = am.getAccount(uid);
+    @Produces(MediaType.APPLICATION_JSON)
 
-        if (account.getPw().equals(pw)) {
-            account = am.updateAccount(uid);
+    public Account getAccounts(@PathParam("uid") String uid, @FormParam("pw") String pw) {
+        AccountManager am = AccountManager.getInstance();
+        Account ac = am.getAccount(uid);
+
+        if (ac.getPw().equals(pw)) {
+            ac = am.updateAccount(uid);
         } else {
             System.out.println("Error : Miss match pw");
         }
 
-        return account;
+        return ac;
     }
 }
diff --git a/src/main/java/org/ntlab/nemophila/resources/accounts/RequestedRest.java b/src/main/java/org/ntlab/nemophila/resources/accounts/RequestedRest.java
new file mode 100644
index 0000000..d711660
--- /dev/null
+++ b/src/main/java/org/ntlab/nemophila/resources/accounts/RequestedRest.java
@@ -0,0 +1,39 @@
+package org.ntlab.nemophila.resources.accounts;
+
+import org.ntlab.nemophila.models.accounts.Account;
+import org.ntlab.nemophila.models.accounts.AccountManager;
+import org.ntlab.nemophila.models.accounts.FriendManager;
+import org.springframework.stereotype.Component;
+
+import javax.ws.rs.*;
+import java.util.ArrayList;
+import java.util.Collection;
+
+@Component
+@Path("/accounts")
+public class RequestedRest {
+
+    @GET
+    @Path("/{uid}/requested")
+    public Collection<String> getRequested(@PathParam("uid") String uid) {
+
+        AccountManager am = AccountManager.getInstance();
+        Account ac = am.getAccount(uid);
+        FriendManager fm = ac.getFriendManager();
+
+        ArrayList<Account> requesting = fm.getRequested();
+        ArrayList<String> ids = new ArrayList<>();
+
+        for (Account a: requesting){
+            ids.add(a.getId());
+        }
+
+        return ids;
+    }
+
+    @DELETE
+    @Path("/{uid}/requested/{requested_id}")
+    public void putRequestingId(@PathParam("uid") String uid, @PathParam("requested_id") String requested_id, @FormParam("token") String token){
+
+    }
+}
diff --git a/src/main/java/org/ntlab/nemophila/resources/accounts/RequestingRest.java b/src/main/java/org/ntlab/nemophila/resources/accounts/RequestingRest.java
index 8675311..5d06a01 100644
--- a/src/main/java/org/ntlab/nemophila/resources/accounts/RequestingRest.java
+++ b/src/main/java/org/ntlab/nemophila/resources/accounts/RequestingRest.java
@@ -6,6 +6,7 @@
 import org.springframework.stereotype.Component;
 
 import javax.ws.rs.*;
+import javax.ws.rs.core.Response;
 import java.util.ArrayList;
 import java.util.Collection;
 
@@ -16,13 +17,14 @@
     @Path("/{uid}/requesting")
     public Collection<String> getRequesting(@PathParam("uid") String uid) {
 
-        AccountManager am = AccountManager.getInstance();
-        Account ac = am.getAccount(uid);
-        FriendManager fm = ac.getFriendManager();
+        AccountManager am = AccountManager.getInstance(); //アカウントマネージャーを取得
+        Account ac = am.getAccount(uid); //uidからAccountインスタンスを取得
+        FriendManager fm = ac.getFriendManager(); //uidのAccountのFriendManagerを取得
 
-        ArrayList<Account> requesting = fm.getRequesting();
-        ArrayList<String> ids = new ArrayList<>();
+        ArrayList<Account> requesting = fm.getRequesting(); //uidが申請中のAccountが入ったArrayListを取得
+        ArrayList<String> ids = new ArrayList<>(); //idを返すために格納するArrayListを宣言
 
+        //取得したArrayListからidのみをidsに格納し返す
         for (Account a: requesting){
             ids.add(a.getId());
         }
@@ -32,35 +34,46 @@
 
     @PUT
     @Path("/{uid}/requesting/{requesting_id}")
-    public String PutRequestingId(@PathParam("uid") String uid, @PathParam("requesting_id") String requesting_id, @FormParam("token") String token){
+    public void putRequestingId(@PathParam("uid") String uid, @PathParam("requesting_id") String requesting_id, @FormParam("token") String token){
 
-        AccountManager am = AccountManager.getInstance();
-        Account ac = am.getAccount(uid);
-        Account acto = am.getAccount(requesting_id);
-        FriendManager fm = ac.getFriendManager();
-        FriendManager fmto = acto.getFriendManager();
+        AccountManager am = AccountManager.getInstance(); //AccountManagerを取得
+        Account ac = am.getAccount(uid); //uidからAccountインスタンスを取得
+        Account acTo = am.getAccount(requesting_id); //requesting_uidから申請先のAccountインスタンスを取得
+        FriendManager fm = ac.getFriendManager(); //uidのAccountのFriendManagerを取得
+        FriendManager fmTo = acTo.getFriendManager(); //申請先のAccountのFriendManagerを取得
 
-        fm.addRequesting(acto);
-        fmto.addRequested(ac);
-
-        return null;
+        //入力されたtokenがuidのものと一致した時、uidのrequestingに申請先のAccountを、申請先のrequestedにuidのAccountを追加する
+        String acToken = ac.getToken();
+        if(token.equals(acToken)) {
+            fm.addRequesting(acTo);
+            fmTo.addRequested(ac);
+        }else{
+            var response = Response.status(Response.Status.NO_CONTENT);
+            response.status(401).entity("認証に失敗しました");
+            throw new WebApplicationException(response.build());
+        }
     }
 
     @DELETE
     @Path("/{uid}/requesting/{requesting_id}")
-    public String DeleteRequestingId(@PathParam("uid") String uid, @PathParam("requesting_id") String requesting_id, @FormParam("token") String token){
+    public void deleteRequestingId(@PathParam("uid") String uid, @PathParam("requesting_id") String requesting_id, @FormParam("token") String token){
 
-        AccountManager am = AccountManager.getInstance();
-        Account ac = am.getAccount(uid);
-        Account acto = am.getAccount(requesting_id);
-        FriendManager fm = ac.getFriendManager();
-        FriendManager fmto = acto.getFriendManager();
+        AccountManager am = AccountManager.getInstance(); //AccountManagerを取得
+        Account ac = am.getAccount(uid); //uidからAccountインスタンスを取得
+        Account acTo = am.getAccount(requesting_id); //requesting_uidから申請先のAccountインスタンスを取得
+        FriendManager fm = ac.getFriendManager(); //uidのAccountのFriendManagerを取得
+        FriendManager fmTo = acTo.getFriendManager(); //申請先のAccountのFriendManagerを取得
 
-        fm.removeRequesting(acto);
-        fmto.removeRequested(ac);
-
-        return null;
+        //入力されたtokenがuidのものと一致した時、uidのrequestingにある申請先のAccountを、申請先のrequestedにあるuidのAccountを削除する
+        String acToken = ac.getToken();
+        if(token.equals(acToken)) {
+            fm.removeRequesting(acTo);
+            fmTo.removeRequested(ac);
+        }else{
+            var response = Response.status(Response.Status.NO_CONTENT);
+            response.status(401).entity("認証に失敗しました");
+            throw new WebApplicationException(response.build());
+        }
     }
 
-
 }
diff --git a/src/main/java/org/ntlab/nemophila/resources/shops/ShopPostsRest.java b/src/main/java/org/ntlab/nemophila/resources/shops/ShopPostsRest.java
index 0072723..1f4a1aa 100644
--- a/src/main/java/org/ntlab/nemophila/resources/shops/ShopPostsRest.java
+++ b/src/main/java/org/ntlab/nemophila/resources/shops/ShopPostsRest.java
@@ -7,6 +7,7 @@
 import org.ntlab.nemophila.models.shops.ShopManager;
 import org.springframework.stereotype.Component;
 
+import javax.ws.rs.core.MediaType;
 import javax.ws.rs.*;
 import javax.ws.rs.core.Response;
 import java.util.ArrayList;
@@ -15,6 +16,7 @@
 @Path("/shops")
 public class ShopPostsRest {
     @GET
+    @Produces(MediaType.APPLICATION_JSON)
     @Path("/{sid}/posts")
     public ArrayList<Post> getShopPosts(@PathParam("sid") String sid) {
         ShopManager sm = ShopManager.getInstance();