diff --git a/app/src/main/java/com/example/sprout/Sprout.java b/app/src/main/java/com/example/sprout/Sprout.java
index d3f028c..48089d4 100644
--- a/app/src/main/java/com/example/sprout/Sprout.java
+++ b/app/src/main/java/com/example/sprout/Sprout.java
@@ -12,10 +12,6 @@
 import com.example.sprout.battles.BattlesConnection;
 import com.example.sprout.battles.Team;
 import com.example.sprout.battles.UpdateActor;
-import com.example.sprout.refactor.Constant;
-import com.example.sprout.refactor.api.SproutService;
-import com.example.sprout.refactor.repository.RegistrationRepository;
-import com.example.sprout.refactor.repository.RoomRepository;
 import com.example.sprout.rooms.RoomsConnection;
 
 import java.util.HashMap;
@@ -28,10 +24,6 @@
 import framework.model3D.Position3D;
 import framework.model3D.Universe;
 import java3d.Vector3d;
-import okhttp3.OkHttpClient;
-import okhttp3.logging.HttpLoggingInterceptor;
-import retrofit2.Retrofit;
-import retrofit2.converter.gson.GsonConverterFactory;
 
 /**
  * Sprout APplication class
@@ -41,10 +33,6 @@
 public class Sprout extends Application {
 
     private static Sprout instance = null;
-    private OkHttpClient okHttpClient = null;
-    private SproutService sproutService = null;
-    private RegistrationRepository registrationRepository = null;
-    private RoomRepository roomRepository = null;
 
     @Override
     public void onCreate() {
@@ -56,46 +44,6 @@
         return instance;
     }
 
-    public OkHttpClient getOkHttpClient() {
-        if (okHttpClient == null) {
-            if (Constant.DEVELOP) {
-                HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
-                interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
-                okHttpClient = new OkHttpClient.Builder().addInterceptor(interceptor).build();
-            } else {
-                okHttpClient = new OkHttpClient.Builder().build();
-            }
-        }
-        return okHttpClient;
-    }
-
-    public SproutService getSproutService() {
-        if (sproutService == null) {
-            sproutService = new Retrofit
-                    .Builder()
-                    .baseUrl("http://nitta-lab-www2.is.konan-u.ac.jp:8080/SproutServer/")
-                    .client(getOkHttpClient())
-                    .addConverterFactory(GsonConverterFactory.create())
-                    .build()
-                    .create(SproutService.class);
-        }
-        return sproutService;
-    }
-
-    public RegistrationRepository getRegistrationRepository() {
-        if (registrationRepository == null) {
-            registrationRepository = new RegistrationRepository(getSproutService());
-        }
-        return registrationRepository;
-    }
-
-    public RoomRepository getRoomRepository() {
-        if (roomRepository == null) {
-            roomRepository = new RoomRepository(getSproutService());
-        }
-        return roomRepository;
-    }
-
     private RoomsConnection roomsConnection = null;
     private BattlesConnection battlesConnection = null;
     private AccountsConnection accountsConnection = null;
diff --git a/app/src/main/java/com/example/sprout/refactor/activity/RegistrationActivity.java b/app/src/main/java/com/example/sprout/refactor/activity/RegistrationActivity.java
index 5fe6f52..5a3fbc4 100644
--- a/app/src/main/java/com/example/sprout/refactor/activity/RegistrationActivity.java
+++ b/app/src/main/java/com/example/sprout/refactor/activity/RegistrationActivity.java
@@ -7,7 +7,6 @@
 import android.widget.Toast;
 
 import com.example.sprout.R;
-import com.example.sprout.Sprout;
 import com.example.sprout.databinding.RfActivityRegistrationBinding;
 import com.example.sprout.refactor.common.ActivityEvent;
 import com.example.sprout.refactor.contract.ViewContract;
@@ -27,7 +26,7 @@
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         binding = DataBindingUtil.setContentView(this, R.layout.rf_activity_registration);
-        registrationViewModel = new RegistrationViewModel(Sprout.get().getRegistrationRepository(), (ViewContract) this);
+        registrationViewModel = new RegistrationViewModel((ViewContract) this);
         binding.setViewModel(registrationViewModel);
         getLifecycle().addObserver(registrationViewModel);
     }
diff --git a/app/src/main/java/com/example/sprout/refactor/activity/RoomCreateActivity.java b/app/src/main/java/com/example/sprout/refactor/activity/RoomCreateActivity.java
index 5f0f2bf..4d853aa 100644
--- a/app/src/main/java/com/example/sprout/refactor/activity/RoomCreateActivity.java
+++ b/app/src/main/java/com/example/sprout/refactor/activity/RoomCreateActivity.java
@@ -7,7 +7,6 @@
 import android.widget.Toast;
 
 import com.example.sprout.R;
-import com.example.sprout.Sprout;
 import com.example.sprout.databinding.RfActivityRoomCreateBinding;
 import com.example.sprout.refactor.common.ActivityEvent;
 import com.example.sprout.refactor.contract.ViewContract;
@@ -24,7 +23,7 @@
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         RfActivityRoomCreateBinding binding = DataBindingUtil.setContentView(this, R.layout.rf_activity_room_create);
-        RoomCreateViewModel roomCreateViewModel = new RoomCreateViewModel(Sprout.get().getRoomRepository(), (ViewContract) this);
+        RoomCreateViewModel roomCreateViewModel = new RoomCreateViewModel((ViewContract) this);
         binding.setViewModel(roomCreateViewModel);
         getLifecycle().addObserver(roomCreateViewModel);
     }
diff --git a/app/src/main/java/com/example/sprout/refactor/activity/RoomInputKeyActivity.java b/app/src/main/java/com/example/sprout/refactor/activity/RoomInputKeyActivity.java
index 2e14d5f..115f5a1 100644
--- a/app/src/main/java/com/example/sprout/refactor/activity/RoomInputKeyActivity.java
+++ b/app/src/main/java/com/example/sprout/refactor/activity/RoomInputKeyActivity.java
@@ -7,7 +7,6 @@
 import android.widget.Toast;
 
 import com.example.sprout.R;
-import com.example.sprout.Sprout;
 import com.example.sprout.databinding.RfActivityRoomInputKeyBinding;
 import com.example.sprout.refactor.common.ActivityEvent;
 import com.example.sprout.refactor.contract.ViewContract;
@@ -27,7 +26,7 @@
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         binding = DataBindingUtil.setContentView(this, R.layout.rf_activity_room_input_key);
-        roomInputKeyViewModel = new RoomInputKeyViewModel(Sprout.get().getRoomRepository(), (ViewContract) this);
+        roomInputKeyViewModel = new RoomInputKeyViewModel((ViewContract) this);
         binding.setViewModel(roomInputKeyViewModel);
         getLifecycle().addObserver(roomInputKeyViewModel);
     }
diff --git a/app/src/main/java/com/example/sprout/refactor/activity/RoomListActivity.java b/app/src/main/java/com/example/sprout/refactor/activity/RoomListActivity.java
index c60d73a..00c00eb 100644
--- a/app/src/main/java/com/example/sprout/refactor/activity/RoomListActivity.java
+++ b/app/src/main/java/com/example/sprout/refactor/activity/RoomListActivity.java
@@ -7,7 +7,6 @@
 import android.widget.Toast;
 
 import com.example.sprout.R;
-import com.example.sprout.Sprout;
 import com.example.sprout.databinding.RfActivityRoomListBinding;
 import com.example.sprout.refactor.adapter.RoomListAdapter;
 import com.example.sprout.refactor.common.ActivityEvent;
@@ -25,7 +24,7 @@
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         RfActivityRoomListBinding binding = DataBindingUtil.setContentView(this, R.layout.rf_activity_room_list);
-        RoomListViewModel roomMainViewModel = new RoomListViewModel(Sprout.get().getRoomRepository(), new RoomListAdapter(this), (ViewContract) this);
+        RoomListViewModel roomMainViewModel = new RoomListViewModel(new RoomListAdapter(this), (ViewContract) this);
         binding.setViewModel(roomMainViewModel);
         getLifecycle().addObserver(roomMainViewModel);
     }
diff --git a/app/src/main/java/com/example/sprout/refactor/activity/RoomMainActivity.java b/app/src/main/java/com/example/sprout/refactor/activity/RoomMainActivity.java
index 8fbdd28..2eecb99 100644
--- a/app/src/main/java/com/example/sprout/refactor/activity/RoomMainActivity.java
+++ b/app/src/main/java/com/example/sprout/refactor/activity/RoomMainActivity.java
@@ -5,7 +5,6 @@
 import android.widget.Toast;
 
 import com.example.sprout.R;
-import com.example.sprout.Sprout;
 import com.example.sprout.databinding.RfActivityRoomMainBinding;
 import com.example.sprout.refactor.Constant;
 import com.example.sprout.refactor.adapter.RoomMainAdapter;
@@ -23,7 +22,7 @@
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         RfActivityRoomMainBinding binding = DataBindingUtil.setContentView(this, R.layout.rf_activity_room_main);
-        roomMainViewModel = new RoomMainViewModel(Sprout.get().getRoomRepository(), new RoomMainAdapter(this), (ViewContract) this);
+        roomMainViewModel = new RoomMainViewModel(new RoomMainAdapter(this), (ViewContract) this);
         binding.setViewModel(roomMainViewModel);
         getLifecycle().addObserver(roomMainViewModel);
     }
diff --git a/app/src/main/java/com/example/sprout/refactor/adapter/RoomListAdapter.java b/app/src/main/java/com/example/sprout/refactor/adapter/RoomListAdapter.java
index 2a7dac7..06c4a9a 100644
--- a/app/src/main/java/com/example/sprout/refactor/adapter/RoomListAdapter.java
+++ b/app/src/main/java/com/example/sprout/refactor/adapter/RoomListAdapter.java
@@ -8,7 +8,7 @@
 
 import com.example.sprout.R;
 import com.example.sprout.databinding.RfItemRoomListBinding;
-import com.example.sprout.refactor.vo.Room;
+import com.example.sprout.refactor.model.vo.Room;
 
 import java.util.ArrayList;
 
diff --git a/app/src/main/java/com/example/sprout/refactor/adapter/RoomMainAdapter.java b/app/src/main/java/com/example/sprout/refactor/adapter/RoomMainAdapter.java
index b20b5a7..68440b4 100644
--- a/app/src/main/java/com/example/sprout/refactor/adapter/RoomMainAdapter.java
+++ b/app/src/main/java/com/example/sprout/refactor/adapter/RoomMainAdapter.java
@@ -12,7 +12,7 @@
 
 import com.example.sprout.R;
 import com.example.sprout.databinding.RfItemRoomMainBinding;
-import com.example.sprout.refactor.vo.Member;
+import com.example.sprout.refactor.model.vo.Member;
 
 import java.util.ArrayList;
 
diff --git a/app/src/main/java/com/example/sprout/refactor/api/RegistrationService.java b/app/src/main/java/com/example/sprout/refactor/api/RegistrationService.java
new file mode 100644
index 0000000..421975c
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/api/RegistrationService.java
@@ -0,0 +1,20 @@
+package com.example.sprout.refactor.api;
+
+import com.example.sprout.refactor.model.vo.Account;
+
+import retrofit2.Call;
+import retrofit2.http.Field;
+import retrofit2.http.FormUrlEncoded;
+import retrofit2.http.POST;
+
+/**
+ * アカウント登録のapi一覧
+ *
+ * @author matsumoto_k
+ */
+public interface RegistrationService {
+
+    @FormUrlEncoded
+    @POST("accounts")
+    Call<Account> registration(@Field("userName") String userName);
+}
diff --git a/app/src/main/java/com/example/sprout/refactor/api/RoomService.java b/app/src/main/java/com/example/sprout/refactor/api/RoomService.java
new file mode 100644
index 0000000..5d120ad
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/api/RoomService.java
@@ -0,0 +1,48 @@
+package com.example.sprout.refactor.api;
+
+import com.example.sprout.refactor.model.vo.Room;
+import com.example.sprout.refactor.model.vo.RoomResponse;
+import com.example.sprout.refactor.model.vo.Rooms;
+
+import retrofit2.Call;
+import retrofit2.http.Field;
+import retrofit2.http.FormUrlEncoded;
+import retrofit2.http.GET;
+import retrofit2.http.HTTP;
+import retrofit2.http.POST;
+import retrofit2.http.PUT;
+import retrofit2.http.Path;
+
+/**
+ * Roomのapi一覧
+ *
+ * @author matsumoto_k
+ */
+public interface RoomService {
+
+    @GET("rooms")
+    Call<Rooms> getRooms();
+
+    @FormUrlEncoded
+    @PUT("rooms/{roomId}")
+    Call<RoomResponse> enterRoom(@Path("roomId") int roomId, @Field("userId") int userId);
+
+    @FormUrlEncoded
+    @PUT("rooms/{roomId}")
+    Call<RoomResponse> enterRoomWithKey(@Path("roomId") int roomId, @Field("userId") int userId, @Field("key") String key);
+
+    @FormUrlEncoded
+    @POST("rooms")
+    Call<RoomResponse> createRoom(@Field("userId") int userId, @Field("roomName") String roomName, @Field("key") String key);
+
+    @GET("rooms/{roomId}")
+    Call<Room> getRoom(@Path("roomId") int roomId);
+
+    @FormUrlEncoded
+    @PUT("rooms/{roomId}/{memberId}")
+    Call<RoomResponse> updateRoomState(@Path("roomId") int roomId, @Path("memberId") int memberId, @Field("role") int role);
+
+    @FormUrlEncoded
+    @HTTP(method = "DELETE", path = "rooms/{roomId}/{memberId}", hasBody = true)
+    Call<Void> exitRoom(@Path("roomId") int roomId, @Path("memberId") int memberId, @Field("userId") int userId);
+}
diff --git a/app/src/main/java/com/example/sprout/refactor/api/SproutService.java b/app/src/main/java/com/example/sprout/refactor/api/SproutService.java
index 821b7b4..7b0be95 100644
--- a/app/src/main/java/com/example/sprout/refactor/api/SproutService.java
+++ b/app/src/main/java/com/example/sprout/refactor/api/SproutService.java
@@ -1,9 +1,9 @@
 package com.example.sprout.refactor.api;
 
-import com.example.sprout.refactor.vo.Account;
-import com.example.sprout.refactor.vo.Room;
-import com.example.sprout.refactor.vo.RoomResponse;
-import com.example.sprout.refactor.vo.Rooms;
+import com.example.sprout.refactor.model.vo.Account;
+import com.example.sprout.refactor.model.vo.Room;
+import com.example.sprout.refactor.model.vo.RoomResponse;
+import com.example.sprout.refactor.model.vo.Rooms;
 
 import retrofit2.Call;
 import retrofit2.http.Field;
diff --git a/app/src/main/java/com/example/sprout/refactor/model/Hoge.java b/app/src/main/java/com/example/sprout/refactor/model/Hoge.java
new file mode 100644
index 0000000..4185d11
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/model/Hoge.java
@@ -0,0 +1,8 @@
+package com.example.sprout.refactor.model;
+
+/**
+ * Created by matsumoto_k on 2017/11/30.
+ */
+
+public class Hoge {
+}
diff --git a/app/src/main/java/com/example/sprout/refactor/model/ModelLocaner.java b/app/src/main/java/com/example/sprout/refactor/model/ModelLocaner.java
new file mode 100644
index 0000000..aa7f30f
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/model/ModelLocaner.java
@@ -0,0 +1,33 @@
+package com.example.sprout.refactor.model;
+
+import com.example.sprout.refactor.repository.RegistrationRepository;
+import com.example.sprout.refactor.repository.RoomRepository;
+
+/**
+ * Modelを管理するクラス
+ *
+ * @author matsumoto_k
+ */
+public class ModelLocaner {
+    private static final ModelLocaner ourInstance = new ModelLocaner();
+
+    public static ModelLocaner get() {
+        return ourInstance;
+    }
+
+    private RegistrationRepository registrationRepository = null;
+    private RoomRepository roomRepository = null;
+
+    private ModelLocaner() {
+        this.registrationRepository = new RegistrationRepository();
+        this.roomRepository = new RoomRepository();
+    }
+
+    public RegistrationRepository getRegistrationRepository() {
+        return registrationRepository;
+    }
+
+    public RoomRepository getRoomRepository() {
+        return roomRepository;
+    }
+}
diff --git a/app/src/main/java/com/example/sprout/refactor/model/vo/Account.java b/app/src/main/java/com/example/sprout/refactor/model/vo/Account.java
new file mode 100644
index 0000000..b1c8416
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/model/vo/Account.java
@@ -0,0 +1,37 @@
+package com.example.sprout.refactor.model.vo;
+
+/**
+ * アカウント登録のEntity
+ *
+ * @author matsumoto_k
+ */
+public class Account {
+
+    private String userName = "";
+    private String mode = "";
+    private int userID = 0; // TODO:Server側のレスポンスをIDからIdに修正する
+
+    public String getUserName() {
+        return userName;
+    }
+
+    public void setUserName(String userName) {
+        this.userName = userName;
+    }
+
+    public String getMode() {
+        return mode;
+    }
+
+    public void setMode(String mode) {
+        this.mode = mode;
+    }
+
+    public int getUserID() {
+        return userID;
+    }
+
+    public void setUserID(int userID) {
+        this.userID = userID;
+    }
+}
diff --git a/app/src/main/java/com/example/sprout/refactor/model/vo/Member.java b/app/src/main/java/com/example/sprout/refactor/model/vo/Member.java
new file mode 100644
index 0000000..6ae0c07
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/model/vo/Member.java
@@ -0,0 +1,33 @@
+package com.example.sprout.refactor.model.vo;
+
+/**
+ * ルームのEntity
+ */
+public class Member {
+
+    private int userId = -1;
+    private String userName = "";
+    private int memberId = -1;
+    private int role = -1;
+    private boolean ready = false;
+
+    public int getUserId() {
+        return userId;
+    }
+
+    public String getUserName() {
+        return userName;
+    }
+
+    public int getMemberId() {
+        return memberId;
+    }
+
+    public int getRole() {
+        return role;
+    }
+
+    public boolean isReady() {
+        return ready;
+    }
+}
diff --git a/app/src/main/java/com/example/sprout/refactor/model/vo/Room.java b/app/src/main/java/com/example/sprout/refactor/model/vo/Room.java
new file mode 100644
index 0000000..e932be5
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/model/vo/Room.java
@@ -0,0 +1,65 @@
+package com.example.sprout.refactor.model.vo;
+
+import java.util.TreeMap;
+
+/**
+ * ルームのEntity
+ *
+ * @author matsumoto_k
+ */
+public class Room {
+
+    private int roomId = -1;
+    private String hostName = "";
+    private String roomName = "";
+    private TreeMap<Integer, Member> memberList = null;
+    private boolean readyToFight = false;
+    private boolean keyCheck = false;
+    private boolean startFrag = false;
+    private int battleId = -1;
+
+    public Room() {
+
+    }
+
+    public int getRoomId() {
+        return roomId;
+    }
+
+    public String getHostName() {
+        return hostName;
+    }
+
+    public String getRoomName() {
+        return roomName;
+    }
+
+    public TreeMap<Integer, Member> getMemberList() {
+        return memberList;
+    }
+
+    public boolean isReadyToFight() {
+        return readyToFight;
+    }
+
+    public boolean isKeyCheck() {
+        return keyCheck;
+    }
+
+    public boolean isStartFrag() {
+        return startFrag;
+    }
+
+    public int getBattleId() {
+        return battleId;
+    }
+
+    /**
+     * この部屋にkeyが設定されているかどうか
+     *
+     * @return keyが設定されていればtrue
+     */
+    public boolean hasKey() {
+        return keyCheck;
+    }
+}
diff --git a/app/src/main/java/com/example/sprout/refactor/model/vo/RoomResponse.java b/app/src/main/java/com/example/sprout/refactor/model/vo/RoomResponse.java
new file mode 100644
index 0000000..18ac666
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/model/vo/RoomResponse.java
@@ -0,0 +1,39 @@
+package com.example.sprout.refactor.model.vo;
+
+/**
+ * 入室時のEntity
+ *
+ * @author matsumoto_k
+ */
+public class RoomResponse {
+
+    private Room room = null;
+    private int memberId = -1;
+    private int BattleId = -1;
+    private boolean check = false;
+
+    public Room getRoom() {
+        return room;
+    }
+
+    public int getMemberId() {
+        return memberId;
+    }
+
+    public int getBattleId() {
+        return BattleId;
+    }
+
+    public boolean isCheck() {
+        return check;
+    }
+
+    /**
+     * 入室可能かどうか
+     *
+     * @return 入室可能ならtrue
+     */
+    public boolean canEnter() {
+        return check;
+    }
+}
diff --git a/app/src/main/java/com/example/sprout/refactor/model/vo/Rooms.java b/app/src/main/java/com/example/sprout/refactor/model/vo/Rooms.java
new file mode 100644
index 0000000..9403c86
--- /dev/null
+++ b/app/src/main/java/com/example/sprout/refactor/model/vo/Rooms.java
@@ -0,0 +1,28 @@
+package com.example.sprout.refactor.model.vo;
+
+
+import java.util.TreeMap;
+
+/**
+ * ルームのEntity
+ *
+ * @author matsumoto_k
+ */
+
+public class Rooms {
+
+    private int roomId = -1;
+    private TreeMap<Integer, Room> roomList = null;
+
+    public Rooms() {
+
+    }
+
+    public int getRoomId() {
+        return roomId;
+    }
+
+    public TreeMap<Integer, Room> getRoomList() {
+        return roomList;
+    }
+}
diff --git a/app/src/main/java/com/example/sprout/refactor/repository/RegistrationRepository.java b/app/src/main/java/com/example/sprout/refactor/repository/RegistrationRepository.java
index 7a3768b..c1e3ba8 100644
--- a/app/src/main/java/com/example/sprout/refactor/repository/RegistrationRepository.java
+++ b/app/src/main/java/com/example/sprout/refactor/repository/RegistrationRepository.java
@@ -1,12 +1,14 @@
 package com.example.sprout.refactor.repository;
 
-import com.example.sprout.refactor.api.SproutService;
+import com.example.sprout.refactor.api.RegistrationService;
+import com.example.sprout.refactor.model.vo.Account;
 import com.example.sprout.refactor.notification.Observable;
-import com.example.sprout.refactor.vo.Account;
 
 import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.gson.GsonConverterFactory;
 
 /**
  * アカウント登録のリポジトリ
@@ -15,15 +17,21 @@
  */
 public class RegistrationRepository extends Repository {
 
-    private SproutService sproutService = null;
+    private RegistrationService registrationService = null;
     private Observable<Account> accountObservable = new Observable<>();
 
-    public RegistrationRepository(SproutService sproutService) {
-        this.sproutService = sproutService;
+    public RegistrationRepository() {
+        this.registrationService = new Retrofit
+                .Builder()
+                .baseUrl("http://nitta-lab-www2.is.konan-u.ac.jp:8080/SproutServer/")
+                .client(okHttpClient)
+                .addConverterFactory(GsonConverterFactory.create())
+                .build()
+                .create(RegistrationService.class);
     }
 
     public void registration(String userName) {
-        Call<Account> task = sproutService.registration(userName);
+        Call<Account> task = registrationService.registration(userName);
         task.enqueue(new Callback<Account>() {
             @Override
             public void onResponse(Call<Account> call, Response<Account> response) {
diff --git a/app/src/main/java/com/example/sprout/refactor/repository/Repository.java b/app/src/main/java/com/example/sprout/refactor/repository/Repository.java
index 281f168..60f9c0c 100644
--- a/app/src/main/java/com/example/sprout/refactor/repository/Repository.java
+++ b/app/src/main/java/com/example/sprout/refactor/repository/Repository.java
@@ -1,14 +1,25 @@
 package com.example.sprout.refactor.repository;
 
+import com.example.sprout.refactor.Constant;
+
+import okhttp3.OkHttpClient;
+import okhttp3.logging.HttpLoggingInterceptor;
+
 /**
  * Base Repository
  *
  * @author matsumoto_k
  */
 public abstract class Repository {
-    public interface Listener<T> {
-        void onSuccess(T value);
+    protected OkHttpClient okHttpClient = null;
 
-        void onFailure(Throwable throwable);
+    public Repository() {
+        if (Constant.DEVELOP) {
+            HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
+            interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
+            okHttpClient = new OkHttpClient.Builder().addInterceptor(interceptor).build();
+        } else {
+            okHttpClient = new OkHttpClient.Builder().build();
+        }
     }
 }
diff --git a/app/src/main/java/com/example/sprout/refactor/repository/RoomRepository.java b/app/src/main/java/com/example/sprout/refactor/repository/RoomRepository.java
index 7df09c1..4d6abcd 100644
--- a/app/src/main/java/com/example/sprout/refactor/repository/RoomRepository.java
+++ b/app/src/main/java/com/example/sprout/refactor/repository/RoomRepository.java
@@ -1,14 +1,16 @@
 package com.example.sprout.refactor.repository;
 
-import com.example.sprout.refactor.api.SproutService;
+import com.example.sprout.refactor.api.RoomService;
 import com.example.sprout.refactor.notification.Observable;
-import com.example.sprout.refactor.vo.Room;
-import com.example.sprout.refactor.vo.RoomResponse;
-import com.example.sprout.refactor.vo.Rooms;
+import com.example.sprout.refactor.model.vo.Room;
+import com.example.sprout.refactor.model.vo.RoomResponse;
+import com.example.sprout.refactor.model.vo.Rooms;
 
 import retrofit2.Call;
 import retrofit2.Callback;
 import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.gson.GsonConverterFactory;
 
 /**
  * ルームのリポジトリ
@@ -17,18 +19,24 @@
  */
 public class RoomRepository extends Repository {
 
-    private SproutService sproutService = null;
+    private RoomService roomService = null;
     private Observable<Room> roomObservable = new Observable<>();
     private Observable<Rooms> roomsObservable = new Observable<>();
     private Observable<RoomResponse> roomResponseObservable = new Observable<>();
     private Observable<Void> voidObservable = new Observable<>();
 
-    public RoomRepository(SproutService sproutService) {
-        this.sproutService = sproutService;
+    public RoomRepository() {
+        this.roomService = new Retrofit
+                .Builder()
+                .baseUrl("http://nitta-lab-www2.is.konan-u.ac.jp:8080/SproutServer/")
+                .client(okHttpClient)
+                .addConverterFactory(GsonConverterFactory.create())
+                .build()
+                .create(RoomService.class);
     }
 
     public void getRooms() {
-        Call<Rooms> task = sproutService.getRooms();
+        Call<Rooms> task = roomService.getRooms();
         task.enqueue(new Callback<Rooms>() {
             @Override
             public void onResponse(Call<Rooms> call, Response<Rooms> response) {
@@ -47,7 +55,7 @@
     }
 
     public void enterRoom(int roomId, int userId) {
-        Call<RoomResponse> task = sproutService.enterRoom(roomId, userId);
+        Call<RoomResponse> task = roomService.enterRoom(roomId, userId);
         task.enqueue(new Callback<RoomResponse>() {
             @Override
             public void onResponse(Call<RoomResponse> call, Response<RoomResponse> response) {
@@ -66,7 +74,7 @@
     }
 
     public void createRoom(int userId, String roomName, String key) {
-        Call<RoomResponse> task = sproutService.createRoom(userId, roomName, key);
+        Call<RoomResponse> task = roomService.createRoom(userId, roomName, key);
         task.enqueue(new Callback<RoomResponse>() {
             @Override
             public void onResponse(Call<RoomResponse> call, Response<RoomResponse> response) {
@@ -85,7 +93,7 @@
     }
 
     public void getRoom(int roomId) {
-        Call<Room> task = sproutService.getRoom(roomId);
+        Call<Room> task = roomService.getRoom(roomId);
         task.enqueue(new Callback<Room>() {
             @Override
             public void onResponse(Call<Room> call, Response<Room> response) {
@@ -104,7 +112,7 @@
     }
 
     public void updateRoomState(int roomId, int memberId, int role) {
-        Call<RoomResponse> task = sproutService.updateRoomState(roomId, memberId, role);
+        Call<RoomResponse> task = roomService.updateRoomState(roomId, memberId, role);
         task.enqueue(new Callback<RoomResponse>() {
             @Override
             public void onResponse(Call<RoomResponse> call, Response<RoomResponse> response) {
@@ -123,7 +131,7 @@
     }
 
     public void exitRoom(int roomId, int memberId, int userId) {
-        Call<Void> task = sproutService.exitRoom(roomId, memberId, userId);
+        Call<Void> task = roomService.exitRoom(roomId, memberId, userId);
         task.enqueue(new Callback<Void>() {
             @Override
             public void onResponse(Call<Void> call, Response<Void> response) {
@@ -142,7 +150,7 @@
     }
 
     public void enterRoomWithKey(int roomId, int userId, String key) {
-        Call<RoomResponse> task = sproutService.enterRoomWithKey(roomId, userId, key);
+        Call<RoomResponse> task = roomService.enterRoomWithKey(roomId, userId, key);
         task.enqueue(new Callback<RoomResponse>() {
             @Override
             public void onResponse(Call<RoomResponse> call, Response<RoomResponse> response) {
diff --git a/app/src/main/java/com/example/sprout/refactor/viewmodel/RegistrationViewModel.java b/app/src/main/java/com/example/sprout/refactor/viewmodel/RegistrationViewModel.java
index dda7303..e6c834f 100644
--- a/app/src/main/java/com/example/sprout/refactor/viewmodel/RegistrationViewModel.java
+++ b/app/src/main/java/com/example/sprout/refactor/viewmodel/RegistrationViewModel.java
@@ -4,10 +4,11 @@
 
 import com.example.sprout.refactor.common.ActivityEvent;
 import com.example.sprout.refactor.contract.ViewContract;
+import com.example.sprout.refactor.model.ModelLocaner;
+import com.example.sprout.refactor.model.vo.Account;
 import com.example.sprout.refactor.notification.Observer;
 import com.example.sprout.refactor.repository.RegistrationRepository;
 import com.example.sprout.refactor.util.PreferenceUtil;
-import com.example.sprout.refactor.vo.Account;
 
 /**
  * アカウント登録のViewModel
@@ -21,8 +22,8 @@
     private RegistrationRepository registrationRepository = null;
     private Observer<Account> observer = null;
 
-    public RegistrationViewModel(RegistrationRepository registrationRepository, ViewContract toastContract) {
-        this.registrationRepository = registrationRepository;
+    public RegistrationViewModel(ViewContract toastContract) {
+        this.registrationRepository = ModelLocaner.get().getRegistrationRepository();
         this.viewContract = toastContract;
         observer = new Observer<Account>() {
             @Override
diff --git a/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomCreateViewModel.java b/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomCreateViewModel.java
index 3e9f200..e4685fb 100644
--- a/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomCreateViewModel.java
+++ b/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomCreateViewModel.java
@@ -5,10 +5,11 @@
 
 import com.example.sprout.refactor.common.ActivityEvent;
 import com.example.sprout.refactor.contract.ViewContract;
+import com.example.sprout.refactor.model.ModelLocaner;
+import com.example.sprout.refactor.model.vo.RoomResponse;
 import com.example.sprout.refactor.notification.Observer;
 import com.example.sprout.refactor.repository.RoomRepository;
 import com.example.sprout.refactor.util.PreferenceUtil;
-import com.example.sprout.refactor.vo.RoomResponse;
 
 /**
  * ルーム作成のViewModel
@@ -24,8 +25,8 @@
     private ObservableBoolean hasPass = new ObservableBoolean(false);
     private Observer<RoomResponse> observer = null;
 
-    public RoomCreateViewModel(RoomRepository roomRepository, ViewContract viewContract) {
-        this.roomRepository = roomRepository;
+    public RoomCreateViewModel(ViewContract viewContract) {
+        this.roomRepository = ModelLocaner.get().getRoomRepository();
         this.viewContract = viewContract;
 
         observer = new Observer<RoomResponse>() {
diff --git a/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomInputKeyViewModel.java b/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomInputKeyViewModel.java
index f65df84..b8fbdfb 100644
--- a/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomInputKeyViewModel.java
+++ b/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomInputKeyViewModel.java
@@ -4,10 +4,11 @@
 
 import com.example.sprout.refactor.common.ActivityEvent;
 import com.example.sprout.refactor.contract.ViewContract;
+import com.example.sprout.refactor.model.ModelLocaner;
+import com.example.sprout.refactor.model.vo.RoomResponse;
 import com.example.sprout.refactor.notification.Observer;
 import com.example.sprout.refactor.repository.RoomRepository;
 import com.example.sprout.refactor.util.PreferenceUtil;
-import com.example.sprout.refactor.vo.RoomResponse;
 
 /**
  * ルーム入室(key)のViewModel
@@ -21,8 +22,8 @@
     private ObservableField<String> pass = new ObservableField<>("");
     private Observer<RoomResponse> observer = null;
 
-    public RoomInputKeyViewModel(RoomRepository roomRepository, ViewContract viewContract) {
-        this.roomRepository = roomRepository;
+    public RoomInputKeyViewModel(ViewContract viewContract) {
+        this.roomRepository = ModelLocaner.get().getRoomRepository();
         this.viewContract = viewContract;
 
         observer = new Observer<RoomResponse>() {
diff --git a/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomListViewModel.java b/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomListViewModel.java
index 15fd32c..38b23ca 100644
--- a/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomListViewModel.java
+++ b/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomListViewModel.java
@@ -9,12 +9,13 @@
 import com.example.sprout.refactor.adapter.RoomListAdapter;
 import com.example.sprout.refactor.common.ActivityEvent;
 import com.example.sprout.refactor.contract.ViewContract;
+import com.example.sprout.refactor.model.ModelLocaner;
+import com.example.sprout.refactor.model.vo.Room;
+import com.example.sprout.refactor.model.vo.RoomResponse;
+import com.example.sprout.refactor.model.vo.Rooms;
 import com.example.sprout.refactor.notification.Observer;
 import com.example.sprout.refactor.repository.RoomRepository;
 import com.example.sprout.refactor.util.PreferenceUtil;
-import com.example.sprout.refactor.vo.Room;
-import com.example.sprout.refactor.vo.RoomResponse;
-import com.example.sprout.refactor.vo.Rooms;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -33,8 +34,8 @@
     private Observer<Rooms> roomListObserver = null;
     private Observer<RoomResponse> enterRoomObserver = null;
 
-    public RoomListViewModel(RoomRepository roomRepository, RoomListAdapter adapter, ViewContract viewContract) {
-        this.roomRepository = roomRepository;
+    public RoomListViewModel(RoomListAdapter adapter, ViewContract viewContract) {
+        this.roomRepository = ModelLocaner.get().getRoomRepository();
         this.viewContract = viewContract;
 
         this.listener = room -> {
diff --git a/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomMainViewModel.java b/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomMainViewModel.java
index bca0482..42f06f4 100644
--- a/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomMainViewModel.java
+++ b/app/src/main/java/com/example/sprout/refactor/viewmodel/RoomMainViewModel.java
@@ -10,12 +10,13 @@
 import com.example.sprout.refactor.adapter.RoomMainAdapter;
 import com.example.sprout.refactor.common.MemberState;
 import com.example.sprout.refactor.contract.ViewContract;
+import com.example.sprout.refactor.model.ModelLocaner;
+import com.example.sprout.refactor.model.vo.Member;
+import com.example.sprout.refactor.model.vo.Room;
+import com.example.sprout.refactor.model.vo.RoomResponse;
 import com.example.sprout.refactor.notification.Observer;
 import com.example.sprout.refactor.repository.RoomRepository;
 import com.example.sprout.refactor.util.PreferenceUtil;
-import com.example.sprout.refactor.vo.Member;
-import com.example.sprout.refactor.vo.Room;
-import com.example.sprout.refactor.vo.RoomResponse;
 
 import java.util.ArrayList;
 
@@ -33,8 +34,8 @@
     private Observer<RoomResponse> updateRoomStateObserver = null;
     private Observer<Void> exitRoomObserver = null;
 
-    public RoomMainViewModel(RoomRepository roomRepository, RoomMainAdapter adapter, ViewContract viewContract) {
-        this.roomRepository = roomRepository;
+    public RoomMainViewModel(RoomMainAdapter adapter, ViewContract viewContract) {
+        this.roomRepository = ModelLocaner.get().getRoomRepository();
         this.viewContract = viewContract;
         this.adapter = adapter;
 
diff --git a/app/src/main/java/com/example/sprout/refactor/vo/Account.java b/app/src/main/java/com/example/sprout/refactor/vo/Account.java
deleted file mode 100644
index 4335698..0000000
--- a/app/src/main/java/com/example/sprout/refactor/vo/Account.java
+++ /dev/null
@@ -1,37 +0,0 @@
-package com.example.sprout.refactor.vo;
-
-/**
- * アカウント登録のEntity
- *
- * @author matsumoto_k
- */
-public class Account {
-
-    private String userName = "";
-    private String mode = "";
-    private int userID = 0; // TODO:Server側のレスポンスをIDからIdに修正する
-
-    public String getUserName() {
-        return userName;
-    }
-
-    public void setUserName(String userName) {
-        this.userName = userName;
-    }
-
-    public String getMode() {
-        return mode;
-    }
-
-    public void setMode(String mode) {
-        this.mode = mode;
-    }
-
-    public int getUserID() {
-        return userID;
-    }
-
-    public void setUserID(int userID) {
-        this.userID = userID;
-    }
-}
diff --git a/app/src/main/java/com/example/sprout/refactor/vo/Member.java b/app/src/main/java/com/example/sprout/refactor/vo/Member.java
deleted file mode 100644
index 40b196c..0000000
--- a/app/src/main/java/com/example/sprout/refactor/vo/Member.java
+++ /dev/null
@@ -1,33 +0,0 @@
-package com.example.sprout.refactor.vo;
-
-/**
- * ルームのEntity
- */
-public class Member {
-
-    private int userId = -1;
-    private String userName = "";
-    private int memberId = -1;
-    private int role = -1;
-    private boolean ready = false;
-
-    public int getUserId() {
-        return userId;
-    }
-
-    public String getUserName() {
-        return userName;
-    }
-
-    public int getMemberId() {
-        return memberId;
-    }
-
-    public int getRole() {
-        return role;
-    }
-
-    public boolean isReady() {
-        return ready;
-    }
-}
diff --git a/app/src/main/java/com/example/sprout/refactor/vo/Room.java b/app/src/main/java/com/example/sprout/refactor/vo/Room.java
deleted file mode 100644
index 3445a99..0000000
--- a/app/src/main/java/com/example/sprout/refactor/vo/Room.java
+++ /dev/null
@@ -1,65 +0,0 @@
-package com.example.sprout.refactor.vo;
-
-import java.util.TreeMap;
-
-/**
- * ルームのEntity
- *
- * @author matsumoto_k
- */
-public class Room {
-
-    private int roomId = -1;
-    private String hostName = "";
-    private String roomName = "";
-    private TreeMap<Integer, Member> memberList = null;
-    private boolean readyToFight = false;
-    private boolean keyCheck = false;
-    private boolean startFrag = false;
-    private int battleId = -1;
-
-    public Room() {
-
-    }
-
-    public int getRoomId() {
-        return roomId;
-    }
-
-    public String getHostName() {
-        return hostName;
-    }
-
-    public String getRoomName() {
-        return roomName;
-    }
-
-    public TreeMap<Integer, Member> getMemberList() {
-        return memberList;
-    }
-
-    public boolean isReadyToFight() {
-        return readyToFight;
-    }
-
-    public boolean isKeyCheck() {
-        return keyCheck;
-    }
-
-    public boolean isStartFrag() {
-        return startFrag;
-    }
-
-    public int getBattleId() {
-        return battleId;
-    }
-
-    /**
-     * この部屋にkeyが設定されているかどうか
-     *
-     * @return keyが設定されていればtrue
-     */
-    public boolean hasKey() {
-        return keyCheck;
-    }
-}
diff --git a/app/src/main/java/com/example/sprout/refactor/vo/RoomResponse.java b/app/src/main/java/com/example/sprout/refactor/vo/RoomResponse.java
deleted file mode 100644
index 20c8464..0000000
--- a/app/src/main/java/com/example/sprout/refactor/vo/RoomResponse.java
+++ /dev/null
@@ -1,39 +0,0 @@
-package com.example.sprout.refactor.vo;
-
-/**
- * 入室時のEntity
- *
- * @author matsumoto_k
- */
-public class RoomResponse {
-
-    private Room room = null;
-    private int memberId = -1;
-    private int BattleId = -1;
-    private boolean check = false;
-
-    public Room getRoom() {
-        return room;
-    }
-
-    public int getMemberId() {
-        return memberId;
-    }
-
-    public int getBattleId() {
-        return BattleId;
-    }
-
-    public boolean isCheck() {
-        return check;
-    }
-
-    /**
-     * 入室可能かどうか
-     *
-     * @return 入室可能ならtrue
-     */
-    public boolean canEnter() {
-        return check;
-    }
-}
diff --git a/app/src/main/java/com/example/sprout/refactor/vo/Rooms.java b/app/src/main/java/com/example/sprout/refactor/vo/Rooms.java
deleted file mode 100644
index 9cf7f9e..0000000
--- a/app/src/main/java/com/example/sprout/refactor/vo/Rooms.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package com.example.sprout.refactor.vo;
-
-
-import java.util.TreeMap;
-
-/**
- * ルームのEntity
- *
- * @author matsumoto_k
- */
-
-public class Rooms {
-
-    private int roomId = -1;
-    private TreeMap<Integer, Room> roomList = null;
-
-    public Rooms() {
-
-    }
-
-    public int getRoomId() {
-        return roomId;
-    }
-
-    public TreeMap<Integer, Room> getRoomList() {
-        return roomList;
-    }
-}
diff --git a/app/src/main/res/layout/rf_item_room_list.xml b/app/src/main/res/layout/rf_item_room_list.xml
index cea67d4..9f6b771 100644
--- a/app/src/main/res/layout/rf_item_room_list.xml
+++ b/app/src/main/res/layout/rf_item_room_list.xml
@@ -6,7 +6,7 @@
 
         <variable
             name="room"
-            type="com.example.sprout.refactor.vo.Room" />
+            type="com.example.sprout.refactor.model.vo.Room" />
     </data>
 
     <android.support.constraint.ConstraintLayout
diff --git a/app/src/main/res/layout/rf_item_room_main.xml b/app/src/main/res/layout/rf_item_room_main.xml
index b7f9d65..5bf8adc 100644
--- a/app/src/main/res/layout/rf_item_room_main.xml
+++ b/app/src/main/res/layout/rf_item_room_main.xml
@@ -7,7 +7,7 @@
 
         <variable
             name="member"
-            type="com.example.sprout.refactor.vo.Member" />
+            type="com.example.sprout.refactor.model.vo.Member" />
     </data>
 
     <android.support.constraint.ConstraintLayout