diff --git a/app/src/main/java/com/example/tampopo_client/viewmodels/FriendViewModel.java b/app/src/main/java/com/example/tampopo_client/viewmodels/FriendViewModel.java
index 5ebbfcb..a4e6274 100644
--- a/app/src/main/java/com/example/tampopo_client/viewmodels/FriendViewModel.java
+++ b/app/src/main/java/com/example/tampopo_client/viewmodels/FriendViewModel.java
@@ -3,6 +3,7 @@
 import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
 
+import com.example.tampopo_client.models.FriendPair;
 import com.example.tampopo_client.resources.FriendsResource;
 import com.example.tampopo_client.resources.UserResource;
 
@@ -13,6 +14,7 @@
 import retrofit2.Response;
 import retrofit2.Retrofit;
 import retrofit2.converter.jackson.JacksonConverterFactory;
+import retrofit2.http.Field;
 
 public class FriendViewModel extends ViewModel {
 
@@ -20,20 +22,25 @@
     private final UserResource usersResource;
     private final FriendsResource friendsResource;
     private final MutableLiveData<List<String>> friendIdsLiveData;
+    private final MutableLiveData<FriendPair> friendPair;
 
     public FriendViewModel(){
         this.retrofit = new Retrofit.Builder()
-                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/tampopo-server/")
+                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/tampopo/")
                 .addConverterFactory(JacksonConverterFactory.create())
                 .build();
         this.usersResource = retrofit.create(UserResource.class);
         this.friendsResource = retrofit.create(FriendsResource.class);
         this.friendIdsLiveData = new MutableLiveData<>();
+        this.friendPair = new MutableLiveData<>();
     }
 
     public MutableLiveData<List<String>> getFriendIdsLiveData(){
         return this.friendIdsLiveData;
     }
+    public MutableLiveData<FriendPair> getFriendPair(){
+        return this.friendPair;
+    }
 
     public void loadFriends(String userId, String token){
         Call<List<String>> call = usersResource.getFriends(userId, token);
@@ -56,4 +63,25 @@
             }
         });
     }
+
+    public void addFriend(String token, String user0Id, String user1Id){
+        Call<FriendPair> call = friendsResource.createFriend(token, user0Id, user1Id);
+
+        call.enqueue(new Callback<FriendPair>() {
+            @Override
+            public void onResponse(Call<FriendPair> call, Response<FriendPair> response) {
+                if(response.isSuccessful()){
+                    friendPair.setValue(response.body());
+                    System.out.println(response.code());
+                }else{
+                    System.out.println(response.code());
+                }
+            }
+
+            @Override
+            public void onFailure(Call<FriendPair> call, Throwable t) {
+                System.out.println("NetWorkError" + t);
+            }
+        });
+    }
 }