diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 1248bb2..106a988 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -15,7 +15,6 @@
             <option value="$PROJECT_DIR$/app" />
           </set>
         </option>
-        <option name="resolveModulePerSourceSet" value="false" />
       </GradleProjectSettings>
     </option>
   </component>
diff --git a/app/src/main/java/org/ntlab/irisclient/models/Member.java b/app/src/main/java/org/ntlab/irisclient/models/Member.java
new file mode 100644
index 0000000..00cd2a1
--- /dev/null
+++ b/app/src/main/java/org/ntlab/irisclient/models/Member.java
@@ -0,0 +1,34 @@
+package org.ntlab.irisclient.models;
+
+public class Member {
+
+    private String nickname;
+    // belongs) r:赤チーム　b：青チーム　n:無所属
+    private String belongs;
+    private boolean master;
+
+    //-----------------------------------------------------------------
+    //コンストラクト
+    public Member(String nickname) {
+        this.nickname = nickname;
+        this.belongs = "n";
+        this.master = false;
+    }
+
+    //-----------------------------------------------------------------
+    // setter
+    public void setNickname(String nickname) {this.nickname = nickname;}
+
+    public void setBelongs(String belongs) {this.belongs = belongs;}
+
+    public void setMaster(boolean master) {this.master = master;}
+
+    //-----------------------------------------------------------------
+    // getter
+    public String getNickname() {return this.nickname;}
+
+    public String getBelongs() {return this.belongs;}
+
+    public boolean isMaster() {return this.master;}
+
+}
diff --git a/app/src/main/java/org/ntlab/irisclient/models/Room.java b/app/src/main/java/org/ntlab/irisclient/models/Room.java
index 929b75b..41f0337 100644
--- a/app/src/main/java/org/ntlab/irisclient/models/Room.java
+++ b/app/src/main/java/org/ntlab/irisclient/models/Room.java
@@ -1,4 +1,94 @@
 package org.ntlab.irisclient.models;
 
-public class Room {
+import android.app.Application;
+import android.content.SharedPreferences;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class Room  {
+
+    //フィールド
+    private String rid;
+    private String ownerName;
+    private Member redMaster;
+    private Member blueMaster;
+    private Map<String,Member> members= new HashMap<>();
+    private Settings settings = new Settings();
+
+    //--------------------------------------------------------------
+    /* public Room(String rid, String owner) {
+        this.rid = rid;
+        ownerName = owner;
+    }*/
+
+    //--------------------------------------------------------------
+    //getter
+    public String getRid(){
+        return rid;
+    }
+
+    public String getOwnerName() {
+        return ownerName;
+    }
+
+    public Member getRedMaster() {
+        return redMaster;
+    }
+
+    public Member getBlueMaster() {
+        return blueMaster;
+    }
+
+    public Member getMember(String nick) {
+        Member m = members.get(nick);
+        return m;
+    }
+
+    public List<Member> getMembers() {
+        List<Member> memberslist = new ArrayList<Member>(members.values()) ;
+        return memberslist;
+    }
+
+    public Settings getSettings() {
+        return settings;
+    }
+
+    //--------------------------------------------------------------
+    //setter
+    public void setOwnerName(String ownerName) {
+        this.ownerName = ownerName;
+    }
+
+    public Member setMember(String nick) {
+        Member m = members.get(nick);
+        return m;
+    }
+
+    public void setRedMaster(Member redMaster) {
+        this.redMaster = redMaster;
+    }
+
+    public void setBlueMaster(Member blueMaster) {
+        this.blueMaster = blueMaster;
+    }
+
+    public Settings setSettings() {
+        return settings;
+    }
+
+    //--------------------------------------------------------------
+    //その他メソッド
+    public void deleteMember(String nick) {
+        members.remove(nick);
+    }
+
+    public void addMember(String nick) {
+        Member m=new Member(nick);
+        m.setNickname(nick);
+        members.put(nick,m);
+    }
+
 }
diff --git a/app/src/main/java/org/ntlab/irisclient/models/Settings.java b/app/src/main/java/org/ntlab/irisclient/models/Settings.java
new file mode 100644
index 0000000..407d419
--- /dev/null
+++ b/app/src/main/java/org/ntlab/irisclient/models/Settings.java
@@ -0,0 +1,64 @@
+package org.ntlab.irisclient.models;
+
+public class Settings {
+
+        private boolean drawingTimer;
+        private int drawingTimerTimes;
+        private boolean gameTimer;
+        private int gameTimerTimes;
+        private int gameTimerFirstThinkingTimes;
+
+        //--------------------------------------------------------------------
+        //コンストラクタで初期値設定
+        public Settings(){
+            drawingTimer = false;
+            drawingTimerTimes = 50;
+            gameTimer = true;
+            gameTimerTimes = 30;
+            gameTimerFirstThinkingTimes = 10;
+        }
+
+        //--------------------------------------------------------------------
+        //setter & getter
+        public boolean isDrawingTimer() {
+            return drawingTimer;
+        }
+
+        public void setDrawingTimer(boolean drawingTimer) {
+            this.drawingTimer = drawingTimer;
+        }
+
+        public int getDrawingTimerTimes() {
+            return drawingTimerTimes;
+        }
+
+        public void setDrawingTimerTimes(int drawingTimerTimes) {
+            this.drawingTimerTimes = drawingTimerTimes;
+        }
+
+        public boolean isGameTimer() {
+            return gameTimer;
+        }
+
+        public void setGameTimer(boolean gameTimer) {
+            this.gameTimer = gameTimer;
+        }
+
+        public int getGameTimerTimes() {
+            return gameTimerTimes;
+        }
+
+        public void setGameTimerTimes(int gameTimerTimes) {
+            this.gameTimerTimes = gameTimerTimes;
+        }
+
+        public int getGameTimerFirstThinkingTimes() {
+            return gameTimerFirstThinkingTimes;
+        }
+
+        public void setGameTimerFirstThinkingTimes(int gameTimerFirstThinkingTimes) {
+            this.gameTimerFirstThinkingTimes = gameTimerFirstThinkingTimes;
+        }
+
+
+}
diff --git a/app/src/main/java/org/ntlab/irisclient/viewmodels/RoomViewModel.java b/app/src/main/java/org/ntlab/irisclient/viewmodels/RoomViewModel.java
index 5fd027f..562e480 100644
--- a/app/src/main/java/org/ntlab/irisclient/viewmodels/RoomViewModel.java
+++ b/app/src/main/java/org/ntlab/irisclient/viewmodels/RoomViewModel.java
@@ -1,6 +1,10 @@
 package org.ntlab.irisclient.viewmodels;
 
+import android.util.Log;
+
 import org.ntlab.irisclient.models.Room;
+import org.ntlab.irisclient.models.Settings;
+import org.ntlab.irisclient.resources.RoomRest;
 
 import java.net.URI;
 
@@ -21,6 +25,7 @@
     private Retrofit retrofit;
 
     //------------------------------------------------
+    //コンストラクタ
     public RoomViewModel() {
         this.roomMutableLiveData = new MutableLiveData<>();
         this.retrofit = new Retrofit.Builder()
@@ -34,4 +39,25 @@
     public LiveData<Room> getLiveData() {
         return this.roomMutableLiveData;
     }
+
+    //-----------------------------------------------------------------
+    // update
+    public void update(String rid) {
+        final RoomRest roomRest = retrofit.create(RoomRest.class);
+
+        Call<Room> call = roomRest.getRoomInformation(rid);
+        call.enqueue(new Callback<Room>() {
+            @Override
+            public void onResponse(Call<Room> call, Response<Room> response) {
+                if (response.isSuccessful()){
+                    roomMutableLiveData.setValue(response.body());
+                }
+            }
+
+            @Override
+            public void onFailure(Call<Room> call, Throwable t) {
+
+            }
+        });
+    }
 }