diff --git a/app/src/main/java/com/example/nemophila/TestActivity.java b/app/src/main/java/com/example/nemophila/TestActivity.java
index 6a9c2e7..3ff993a 100644
--- a/app/src/main/java/com/example/nemophila/TestActivity.java
+++ b/app/src/main/java/com/example/nemophila/TestActivity.java
@@ -69,7 +69,7 @@
                                 "和食", "辛いね", "", "", "");
                         break;
                     case 3:
-                        friendViewModel.putRequesting("1111", "1112", "a95d68cc-4efb-49e2-8f55-799f768a5c09");
+//                        friendViewModel.putRequesting("1111", "1112", "a95d68cc-4efb-49e2-8f55-799f768a5c09");
                 }
             }
         });
diff --git a/app/src/main/java/com/example/nemophila/viewmodels/FriendViewModel.java b/app/src/main/java/com/example/nemophila/viewmodels/FriendViewModel.java
index 3676d3f..3baa6b1 100644
--- a/app/src/main/java/com/example/nemophila/viewmodels/FriendViewModel.java
+++ b/app/src/main/java/com/example/nemophila/viewmodels/FriendViewModel.java
@@ -9,6 +9,7 @@
 import com.example.nemophila.resources.AccountsRest;
 import com.example.nemophila.resources.FriendsRest;
 
+import java.util.ArrayList;
 import java.util.Collection;
 
 import retrofit2.Call;
@@ -56,34 +57,33 @@
             public void onResponse(Call<Collection<AccountNameJson>> call, Response<Collection<AccountNameJson>> response) {
                 if (response.isSuccessful()) {
                     System.out.println("Successful");
-                    Collection<AccountNameJson> accountNameJson = response.body();
-                    friendsLiveData.setValue(accountNameJson);
-
+                    friendsLiveData.setValue(response.body());
                 } else {
-                    System.out.println("ResponseError");
+                    System.out.println("ResponseError: " + response.code());
                 }
             }
             @Override
             public void onFailure(Call<Collection<AccountNameJson>> call, Throwable t) {
-                System.out.println(" NetworkError" + t);
+                System.out.println(" NetworkError: " + t);
             }
         });
     }
 
-    public void putFriend(String uid,String fid, String token) {
+    public void putFriend(String uid, String fid, String name, String token) {
         Call<Void> call = friendsRest.putFriend(uid,fid,token);
         call.enqueue(new Callback<Void>() {
             @Override
             public void onResponse(Call<Void> call, Response<Void> response) {
                 if (response.isSuccessful()) {
+                    addFriendLiveData(fid, name);
                     System.out.println("Successful");
                 } else {
-                    System.out.println("ResponseError");
+                    System.out.println("ResponseError: " + response.code());
                 }
             }
             @Override
             public void onFailure(Call<Void> call, Throwable t) {
-                System.out.println(" NetworkError" + t);
+                System.out.println(" NetworkError: " + t);
             }
         });
     }
@@ -94,14 +94,15 @@
             @Override
             public void onResponse(Call<Void> call, Response<Void> response) {
                 if (response.isSuccessful()) {
+                    removeFriendLiveData(fid);
                     System.out.println("Successful");
                 } else {
-                    System.out.println("ResponseError");
+                    System.out.println("ResponseError: " + response.code());
                 }
             }
             @Override
             public void onFailure(Call<Void> call, Throwable t) {
-                System.out.println(" NetworkError" + t);
+                System.out.println(" NetworkError: " + t);
             }
         });
     }
@@ -112,34 +113,34 @@
             @Override
             public void onResponse(Call<Collection<AccountNameJson>> call, Response<Collection<AccountNameJson>> response) {
                 if (response.isSuccessful()) {
+                    requestingLiveData.setValue(response.body());
                     System.out.println("Successful");
-                    Collection<AccountNameJson> accountNameJson = response.body();
-                    requestingLiveData.setValue(accountNameJson);
                 } else {
-                    System.out.println("ResponseError" + response.code());
+                    System.out.println("ResponseError: " + response.code());
                 }
             }
             @Override
             public void onFailure(Call<Collection<AccountNameJson>> call, Throwable t) {
-                System.out.println(" NetworkError" + t);
+                System.out.println(" NetworkError: " + t);
             }
         });
     }
 
-    public void putRequesting(String uid,String requesting_id, String token) {
+    public void putRequesting(String uid, String requesting_id, String name, String token) {
         Call<Void> call = friendsRest.putRequesting(uid,requesting_id,token);
         call.enqueue(new Callback<Void>() {
             @Override
             public void onResponse(Call<Void> call, Response<Void> response) {
                 if (response.isSuccessful()) {
                     System.out.println("Successful");
+                    addRequestingLiveData(requesting_id, name);
                 } else {
-                    System.out.println("ResponseError" + response.code());
+                    System.out.println("ResponseError: " + response.code());
                 }
             }
             @Override
             public void onFailure(Call<Void> call, Throwable t) {
-                System.out.println(" NetworkError" + t);
+                System.out.println(" NetworkError: " + t);
             }
         });
     }
@@ -150,14 +151,15 @@
             @Override
             public void onResponse(Call<Void> call, Response<Void> response) {
                 if (response.isSuccessful()) {
+                    removeRequestingLiveData(requesting_id);
                     System.out.println("Successful");
                 } else {
-                    System.out.println("ResponseError");
+                    System.out.println("ResponseError: " + response.code());
                 }
             }
             @Override
             public void onFailure(Call<Void> call, Throwable t) {
-                System.out.println(" NetworkError" + t);
+                System.out.println(" NetworkError: " + t);
             }
         });
     }
@@ -172,12 +174,12 @@
                     Collection<AccountNameJson> accountNameJson = response.body();
                     requestedLiveData.setValue(accountNameJson);
                 } else {
-                    System.out.println("ResponseError");
+                    System.out.println("ResponseError: " + response.code());
                 }
             }
             @Override
             public void onFailure(Call<Collection<AccountNameJson>> call, Throwable t) {
-                System.out.println(" NetworkError" + t);
+                System.out.println(" NetworkError: " + t);
             }
         });
     }
@@ -189,14 +191,73 @@
             public void onResponse(Call<Void> call, Response<Void> response) {
                 if (response.isSuccessful()) {
                     System.out.println("Successful");
+                    removeRequestedLiveData(fid);
                 } else {
-                    System.out.println("ResponseError");
+                    System.out.println("ResponseError: " + response.code());
                 }
             }
             @Override
             public void onFailure(Call<Void> call, Throwable t) {
-                System.out.println(" NetworkError" + t);
+                System.out.println(" NetworkError: " + t);
             }
         });
     }
+
+    private AccountNameJson createAccountNameJson(String uid, String name) {
+        AccountNameJson anj = new AccountNameJson();
+        anj.setUid(uid);
+        anj.setName(name);
+        return anj;
+    }
+
+    private void addFriendLiveData(String uid, String name) {
+        ArrayList<AccountNameJson> preData = new ArrayList<>();
+        for (AccountNameJson anj: friendsLiveData.getValue()) {
+            preData.add(anj);
+        }
+        preData.add(createAccountNameJson(uid, name));
+        friendsLiveData.setValue(preData);
+    }
+
+    private void addRequestingLiveData(String uid, String name) {
+        ArrayList<AccountNameJson> preData = new ArrayList<>();
+        for (AccountNameJson anj: requestingLiveData.getValue()) {
+            preData.add(anj);
+        }
+        preData.add(createAccountNameJson(uid, name));
+        requestedLiveData.setValue(preData);
+    }
+
+    private void removeFriendLiveData(String id) {
+        ArrayList<AccountNameJson> preData = new ArrayList<>();
+        for (AccountNameJson anj: friendsLiveData.getValue()) {
+            if (anj.getUid().equals(id)) {
+                continue;
+            }
+            preData.add(anj);
+            friendsLiveData.setValue(preData);
+        }
+    }
+
+    private void removeRequestingLiveData(String id) {
+        ArrayList<AccountNameJson> preData = new ArrayList<>();
+        for (AccountNameJson anj: requestingLiveData.getValue()) {
+            if (anj.getUid().equals(id)) {
+                continue;
+            }
+            preData.add(anj);
+            requestingLiveData.setValue(preData);
+        }
+    }
+
+    private void removeRequestedLiveData(String id) {
+        ArrayList<AccountNameJson> preData = new ArrayList<>();
+        for (AccountNameJson anj: requestedLiveData.getValue()) {
+            if (anj.getUid().equals(id)) {
+                continue;
+            }
+            preData.add(anj);
+            requestedLiveData.setValue(preData);
+        }
+    }
 }