diff --git a/app/src/main/java/com/example/nemophila/viewmodels/ShopsViewModel.java b/app/src/main/java/com/example/nemophila/viewmodels/ShopsViewModel.java
index e1aae7e..4f048db 100644
--- a/app/src/main/java/com/example/nemophila/viewmodels/ShopsViewModel.java
+++ b/app/src/main/java/com/example/nemophila/viewmodels/ShopsViewModel.java
@@ -1,5 +1,6 @@
 package com.example.nemophila.viewmodels;
 
+import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
 
 import com.example.nemophila.entities.Shop;
@@ -14,10 +15,16 @@
 import retrofit2.converter.jackson.JacksonConverterFactory;
 
 public class ShopsViewModel extends ViewModel {
+    // フィールド
     final private ShopsRest shopsRest;
     final private Retrofit retrofit;
 
-    public ShopsViewModel(){
+    // ライブデータ
+    final private MutableLiveData<Collection<Shop>> shopsLiveData;
+
+    // コンストラクタ
+    public ShopsViewModel(MutableLiveData<Collection<Shop>> shopsLiveData){
+        this.shopsLiveData = new MutableLiveData<>();
         this.retrofit = new Retrofit.Builder()
                 .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/nemophila/")
                 .addConverterFactory(JacksonConverterFactory.create())
@@ -25,18 +32,30 @@
         this.shopsRest = retrofit.create(ShopsRest.class);
     }
 
+    // 画面を動かす, 又はGPSが移動する度に呼び出される
     public void setViewArea(double ux, double uy, double lx, double ly){
+        // 画面内に収まる範囲の店舗を取得する
         Call<Collection<Shop>> call = shopsRest.getShops(ux, uy, lx, ly);
 
         call.enqueue(new Callback<Collection<Shop>>() {
+            // 通信が成功
             @Override
             public void onResponse(Call<Collection<Shop>> call, Response<Collection<Shop>> response) {
-
+                // 通信が正常に動作
+                if (response.isSuccessful()) {
+                    if (response.body() != null) {
+                        shopsLiveData.setValue(response.body());  // LiveDataを書き換える
+                    } else {
+                        System.out.println("response null : setViewModel");
+                    }
+                } else {
+                    System.out.println("ステータスコード 不正 : setViewModel");
+                }
             }
-
+            // 通信が失敗
             @Override
             public void onFailure(Call<Collection<Shop>> call, Throwable t) {
-
+                System.out.println("通信失敗 : setViewModel");
             }
         });
     }