diff --git a/app/src/main/java/org/ntlab/irisclient/entities/GameJson.java b/app/src/main/java/org/ntlab/irisclient/entities/GameJson.java
new file mode 100644
index 0000000..e0ab57d
--- /dev/null
+++ b/app/src/main/java/org/ntlab/irisclient/entities/GameJson.java
@@ -0,0 +1,5 @@
+package org.ntlab.irisclient.entities;
+
+public class GameJson {
+    
+}
diff --git a/app/src/main/java/org/ntlab/irisclient/models/Game.java b/app/src/main/java/org/ntlab/irisclient/models/Game.java
new file mode 100644
index 0000000..99c4f35
--- /dev/null
+++ b/app/src/main/java/org/ntlab/irisclient/models/Game.java
@@ -0,0 +1,16 @@
+package org.ntlab.irisclient.models;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class Game {
+
+    private Map<Integer, Drawing> drawingList = new HashMap<>();//<dno, drawingのURL>
+    private Map<Integer, String> keywordList = new HashMap<>();//<cno, keyword>
+    private Map<Integer, Cell> cellList = new HashMap<>();//<cno, Cell>
+    private List<Integer> map = new ArrayList<>();//cno順にdnoを管理
+    private List<String> color = new ArrayList<>();//cno順にr,g,b,dを管理
+
+}
diff --git a/app/src/main/java/org/ntlab/irisclient/models/GameState.java b/app/src/main/java/org/ntlab/irisclient/models/GameState.java
deleted file mode 100644
index 41dc5ea..0000000
--- a/app/src/main/java/org/ntlab/irisclient/models/GameState.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package org.ntlab.irisclient.models;
-
-import java.util.HashMap;
-import java.util.Map;
-
-public class GameState {
-
-    private Map<Integer, Drawing> drawingList = new HashMap<>();
-    private Map<Integer, String> keywordList = new HashMap<>();
-
-}