diff --git a/app/src/main/java/com/example/citrusclient/viewmodels/FavoritesViewModel.java b/app/src/main/java/com/example/citrusclient/viewmodels/FavoritesViewModel.java
index bd53028..48322d5 100644
--- a/app/src/main/java/com/example/citrusclient/viewmodels/FavoritesViewModel.java
+++ b/app/src/main/java/com/example/citrusclient/viewmodels/FavoritesViewModel.java
@@ -2,7 +2,14 @@
 
 import com.example.citrusclient.rest.FavoritesRest;
 
+import java.util.HashMap;
+import java.util.HashSet;
+
+import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
 import retrofit2.Retrofit;
 import retrofit2.converter.jackson.JacksonConverterFactory;
 
@@ -10,11 +17,75 @@
     private final Retrofit retrofit;
     private final FavoritesRest favoritesRest;
 
+    private final MutableLiveData<HashMap<String, HashSet<Integer>>> favoritesBooksLiveData;
+    private final MutableLiveData<HashSet<Integer>> favoritesBookIdLiveData;
+    private final MutableLiveData<HashSet<String>> favoritedAccountsLiveData;
+
     public FavoritesViewModel(){
         this.retrofit = new Retrofit.Builder()
                 .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/citrus/")
                 .addConverterFactory(JacksonConverterFactory.create())
                 .build();
         this.favoritesRest = retrofit.create(FavoritesRest.class);
+        this.favoritesBooksLiveData = new MutableLiveData<>();
+        this.favoritesBookIdLiveData = new MutableLiveData<>();
+        this.favoritedAccountsLiveData = new MutableLiveData<>();
+    }
+    public MutableLiveData<HashMap<String, HashSet<Integer>>> getFavoritesBooksLiveData(){return favoritesBooksLiveData;}
+    public MutableLiveData<HashSet<Integer>> getFavoritesBookIdLiveData(){return favoritesBookIdLiveData;}
+    public MutableLiveData<HashSet<String>> getFavoritedAccountsLiveData(){return  favoritedAccountsLiveData;}
+
+    public void loadFavoritesBooks(String accountId, String token){
+        Call<HashMap<String, HashSet<Integer>>> call = favoritesRest.getFavoritesBooks(accountId,token);
+        call.enqueue(new Callback<HashMap<String, HashSet<Integer>>>() {
+            @Override
+            public void onResponse(Call<HashMap<String, HashSet<Integer>>> call, Response<HashMap<String, HashSet<Integer>>> response) {
+                if(response.isSuccessful()){
+                    System.out.println("success : getFavoritesBooks");
+                    favoritesBooksLiveData.setValue(response.body());
+                }else System.out.println(response.code());
+            }
+
+            @Override
+            public void onFailure(Call<HashMap<String, HashSet<Integer>>> call, Throwable t) {
+                System.out.println("NetworkError : getFavoritesBooks" + t);
+            }
+        });
+    }
+
+    public void loadFavoritesBookId(String accountId, String otherAccountId, String token){
+        Call<HashSet<Integer>> call = favoritesRest.getFavoritesBooksById(accountId,otherAccountId,token);
+        call.enqueue(new Callback<HashSet<Integer>>() {
+            @Override
+            public void onResponse(Call<HashSet<Integer>> call, Response<HashSet<Integer>> response) {
+                if(response.isSuccessful()){
+                    System.out.println("success : getFavoritesBooksById");
+                    favoritesBookIdLiveData.setValue(response.body());
+                }else System.out.println(response.code());
+            }
+
+            @Override
+            public void onFailure(Call<HashSet<Integer>> call, Throwable t) {
+                System.out.println("NetworkError : getFavoritesBooksById" + t);
+            }
+        });
+    }
+
+    public void loadFavoritedAccounts(String accountId, Integer bookId, String token){
+        Call<HashSet<String>> call = favoritesRest.getFavoritedAccount(accountId,bookId,token);
+        call.enqueue(new Callback<HashSet<String>>() {
+            @Override
+            public void onResponse(Call<HashSet<String>> call, Response<HashSet<String>> response) {
+                if(response.isSuccessful()){
+                    System.out.println("success : getFavoritedAccount");
+                    favoritedAccountsLiveData.setValue(response.body());
+                }else System.out.println(response.code());
+            }
+
+            @Override
+            public void onFailure(Call<HashSet<String>> call, Throwable t) {
+                System.out.println("NetworkError : getFavoritedAccount" + t);
+            }
+        });
     }
 }