diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/main_menu_ui/mypage/InvitedConnectionModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/main_menu_ui/mypage/InvitedConnectionModel.java
index 521075b..20d1ad8 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/main_menu_ui/mypage/InvitedConnectionModel.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/main_menu_ui/mypage/InvitedConnectionModel.java
@@ -6,7 +6,9 @@
 
 import org.ntlab.acanthus_client.Acanthus;
 import org.ntlab.acanthus_client.R;
+import org.ntlab.acanthus_client.entities.Work;
 import org.ntlab.acanthus_client.resources.accounts.InvitedRest;
+import org.ntlab.acanthus_client.resources.accounts.WorkRest;
 
 import retrofit2.Call;
 import retrofit2.Callback;
@@ -16,10 +18,9 @@
 import retrofit2.converter.scalars.ScalarsConverterFactory;
 
 //-----------------------------------------------------------------
-//
+//　招待されているかの問い合わせAPI
 public class InvitedConnectionModel {
 
-    private final String TAG = "InvitedConnectionModel";
     private Retrofit retrofit;
     private Acanthus acanthus;
 
@@ -32,17 +33,15 @@
 
     //-----------------------------------------------------------------
     // 招待確認
-    public void checkInvited(MutableLiveData<String> mText) {
+    public void checkInvited(MutableLiveData<String> mIsInvitedText) {
         final InvitedRest invitedRest = retrofit.create(InvitedRest.class);
 
         Call<Boolean> call = invitedRest.checkAccountInvited(acanthus.getPreferenceUid(), acanthus.getAid());
         call.enqueue(new Callback<Boolean>() {
             @Override
             public void onResponse(Call<Boolean> call, Response<Boolean> response) {
-                if (response.isSuccessful()){
-                    Log.d(TAG, response.body().toString());
-                    mText.setValue(response.body().toString());
-                }
+                if (response.isSuccessful())
+                    mIsInvitedText.setValue(response.body().toString());
             }
 
             @Override
@@ -54,6 +53,26 @@
     }
 
     //-----------------------------------------------------------------
+    // 招待承認
+    public void acceptInvite() {
+        final WorkRest workRest = retrofit.create(WorkRest.class);
+
+        // 作品への参加
+        Call<Work> call = workRest.updateWork(acanthus.getPreferenceUid(), acanthus.getPreferenceToken(), acanthus.getAid());
+        call.enqueue(new Callback<Work>() {
+            @Override
+            public void onResponse(Call<Work> call, Response<Work> response) {
+                if (response.isSuccessful()) ;
+            }
+
+            @Override
+            public void onFailure(Call<Work> call, Throwable t) {
+
+            }
+        });
+    }
+
+    //-----------------------------------------------------------------
     //-----------------------------------------------------------------
     // init
     private void init(Acanthus acanthus) {