diff --git a/app/src/main/java/com/example/nemophila/viewmodels/FriendViewModel.java b/app/src/main/java/com/example/nemophila/viewmodels/FriendViewModel.java
new file mode 100644
index 0000000..58e6151
--- /dev/null
+++ b/app/src/main/java/com/example/nemophila/viewmodels/FriendViewModel.java
@@ -0,0 +1,65 @@
+package com.example.nemophila.viewmodels;
+
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+import com.example.nemophila.entities.Post;
+import com.example.nemophila.resources.AccountsRest;
+import com.example.nemophila.resources.FriendsRest;
+
+import java.util.Collection;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.jackson.JacksonConverterFactory;
+
+public class FriendViewModel extends ViewModel {
+    // フィールド
+    private final Retrofit retrofit;
+    private final FriendsRest friendsRest;
+    // ライブデータ
+    private final MutableLiveData<String> friendsLiveData;
+    private final MutableLiveData<String> requestedLiveData;
+    private final MutableLiveData<Collection<Post>> requestingLiveData;
+
+    // コンストラクタ
+    public FriendViewModel() {
+        this.retrofit = new Retrofit.Builder()
+                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/nemophila/")
+                .addConverterFactory(JacksonConverterFactory.create())
+                .build();
+        this.friendsRest = retrofit.create(FriendsRest.class);
+        this.friendsLiveData = new MutableLiveData<>();
+        this.requestedLiveData = new MutableLiveData<>();
+        this.requestingLiveData = new MutableLiveData<>();
+    }
+
+    // ライブデータの取得（ゲッター）
+    public MutableLiveData<String> getFriendsLiveData() {
+        return friendsLiveData;
+    }
+    public MutableLiveData<String> getRequestedLiveData() {
+        return requestedLiveData;
+    }
+    public MutableLiveData<Collection<Post>> getRequestingLiveData() { return requestingLiveData; }
+
+    public void searchFriend(String uid,String fid, String token) {
+        Call<Void> call = friendsRest.putFriend ();
+        call.enqueue(new Callback<Void>() {
+            @Override
+            public void onResponse(Call<Void> call, Response<Void> response) {
+                if (response.isSuccessful()) {
+                    System.out.println("Successful");
+                } else {
+                    System.out.println("ResponseError");
+                }
+            }
+            @Override
+            public void onFailure(Call<Void> call, Throwable t) {
+                System.out.println(" NetworkError" + t);
+            }
+        });
+    }
+}