diff --git a/app/src/main/java/com/example/nemophila/resources/AccountsRest.java b/app/src/main/java/com/example/nemophila/resources/AccountsRest.java
index 75354d8..20af87c 100644
--- a/app/src/main/java/com/example/nemophila/resources/AccountsRest.java
+++ b/app/src/main/java/com/example/nemophila/resources/AccountsRest.java
@@ -48,7 +48,7 @@
 
     @FormUrlEncoded
     @PUT("accounts/{uid}/pw")
-    Call<AccountJson> changePw(
+    Call<Void> changePw(
             @Path("uid") String uid,
             @Field("oldPw") String oldPw,
             @Field("newPw") String newPw,
@@ -57,7 +57,7 @@
 
     @FormUrlEncoded
     @PUT("accounts/{uid}/name")
-    Call<AccountJson> changeName(
+    Call<Void> changeName(
             @Path("uid") String uid,
             @Field("name") String name,
             @Field("token") String token
diff --git a/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java b/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java
index 00577e1..b484c47 100644
--- a/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java
+++ b/app/src/main/java/com/example/nemophila/viewmodels/AccountViewModel.java
@@ -24,7 +24,8 @@
     private final AccountsRest accountsRest;
 
     // ライブデータ
-    private final MutableLiveData<Account> accountLiveData;
+    private final MutableLiveData<String> nameLiveData;
+    private final MutableLiveData<String> pwLiveData;
     private final MutableLiveData<Collection<Post>> accountPostsLiveData;
 
     // コンストラクタ
@@ -34,41 +35,20 @@
                 .addConverterFactory(JacksonConverterFactory.create())
                 .build();
         this.accountsRest = retrofit.create(AccountsRest.class);
-        this.accountLiveData = new MutableLiveData<>();
+        this.nameLiveData = new MutableLiveData<>();
+        this.pwLiveData = new MutableLiveData<>();
         this.accountPostsLiveData = new MutableLiveData<>();
     }
 
     // ライブデータの取得（ゲッター）
-    public MutableLiveData<Account> getAccountLiveData() { return accountLiveData; }
+    public MutableLiveData<String> getNameLiveData() {
+        return nameLiveData;
+    }
+    public MutableLiveData<String> getPwLiveData() {
+        return pwLiveData;
+    }
     public MutableLiveData<Collection<Post>> getAccountPostsLiveData() { return accountPostsLiveData; }
 
-    // 対象のアカウント情報の取得
-    public void getAccount(String uid) {
-        Call<AccountJson> call = accountsRest.getAccount(uid);
-
-        call.enqueue(new Callback<AccountJson>() {
-            @Override
-            public void onResponse(Call<AccountJson> call, Response<AccountJson> response) {
-                if (response.isSuccessful()) {
-                    AccountJson accountJson = response.body();
-                    setAccountLiveDataFromJson(accountJson);
-                } else {
-                    System.out.println("GetAccount ResponseError");
-                }
-            }
-            @Override
-            public void onFailure(Call<AccountJson> call, Throwable t) {
-                System.out.println("GetAccount NetworkError" + t);
-            }
-        });
-    }
-
-    //AccountJsonからAccountを作成し，対象のライブデータに設定する
-    private void setAccountLiveDataFromJson(AccountJson aj) {
-        Account account = new Account(aj);
-        accountLiveData.setValue(account);
-    }
-
     // 対象のアカウント情報の削除
     public void deleteAccount(String uid) {
         Call<Void> call = accountsRest.deleteAccount(uid);
@@ -91,19 +71,20 @@
 
     // 対象のアカウントパスワードの変更
     public void changePw(String uid, String oldPw, String newPw, String token) {
-        Call<AccountJson> call = accountsRest.changePw(uid, oldPw, newPw, token);
+        Call<Void> call = accountsRest.changePw(uid, oldPw, newPw, token);
 
-        call.enqueue(new Callback<AccountJson>() {
+        call.enqueue(new Callback<Void>() {
             @Override
-            public void onResponse(Call<AccountJson> call, Response<AccountJson> response) {
+            public void onResponse(Call<Void> call, Response<Void> response) {
                 if (response.isSuccessful()) {
+                    pwLiveData.setValue(newPw);
                     System.out.println("Success ChangePW");
                 } else {
                     System.out.println("response error");
                 }
             }
             @Override
-            public void onFailure(Call<AccountJson> call, Throwable t) {
+            public void onFailure(Call<Void> call, Throwable t) {
                 System.out.println("correspondence error" + t);
             }
         });
@@ -111,19 +92,20 @@
 
     // 対象のアカウント名の変更
     public void changeName(String uid, String name, String token) {
-        Call<AccountJson> call = accountsRest.changeName(uid, name, token);
+        Call<Void> call = accountsRest.changeName(uid, name, token);
 
-        call.enqueue(new Callback<AccountJson>() {
+        call.enqueue(new Callback<Void>() {
             @Override
-            public void onResponse(Call<AccountJson> call, Response<AccountJson> response) {
+            public void onResponse(Call<Void> call, Response<Void> response) {
                 if (response.isSuccessful()) {
+                    nameLiveData.setValue(name);
                     System.out.println("Success ChangeName");
                 } else {
                     System.out.println("response error");
                 }
             }
             @Override
-            public void onFailure(Call<AccountJson> call, Throwable t) {
+            public void onFailure(Call<Void> call, Throwable t) {
                 System.out.println("correspondence error" + t);
             }
         });