diff --git a/src/main/java/cactusServer/entities/Instance.java b/src/main/java/cactusServer/entities/Instance.java
index a3a2b2c..2024879 100644
--- a/src/main/java/cactusServer/entities/Instance.java
+++ b/src/main/java/cactusServer/entities/Instance.java
@@ -157,7 +157,7 @@
 		Character character = characterMap.get(characterId);
 		character.update(position, angle, model, null); // areaURI(��4����)�̍X�V�͌Ăяo����Ŏ����ōs����
 		return character;
-	}//
+	}
 
 	public Character destroyCharacter(String characterId) {
 		return characterMap.remove(characterId);
diff --git a/src/main/java/cactusServer/models/StageManager.java b/src/main/java/cactusServer/models/StageManager.java
new file mode 100644
index 0000000..4a65953
--- /dev/null
+++ b/src/main/java/cactusServer/models/StageManager.java
@@ -0,0 +1,28 @@
+package cactusServer.models;
+
+import java.util.HashMap;
+import java.util.HashSet;
+
+import javax.inject.Singleton;
+
+import org.ntlab.radishforandroidstudio.framework.model3D.Model3D;
+
+@Singleton
+public class StageManager {
+	private static StageManager theInstance = null;
+	private HashMap<Integer,Model3D> model = new HashMap<>();
+	private StageManager() {
+
+	}
+
+	public static StageManager getInstance() {
+		if (theInstance == null) {
+			theInstance = new StageManager();
+		}
+		return theInstance;
+	}
+
+	public Model3D getStage(int stageID) {
+		return model.get(stageID);
+	}
+}
diff --git a/src/main/java/cactusServer/utils/Initialize.java b/src/main/java/cactusServer/utils/Initialize.java
new file mode 100644
index 0000000..b322bd0
--- /dev/null
+++ b/src/main/java/cactusServer/utils/Initialize.java
@@ -0,0 +1,20 @@
+package cactusServer.utils;
+
+import java.io.IOException;
+
+import javax.ws.rs.ProcessingException;
+import javax.ws.rs.container.ContainerRequestContext;
+import javax.ws.rs.container.ContainerRequestFilter;
+import javax.ws.rs.core.Application;
+import javax.ws.rs.ext.Provider;
+
+import cactusServer.models.*;
+import org.glassfish.jersey.server.filter.*;
+import org.glassfish.jersey.server.spi.ContainerProvider;
+@Provider
+public class Initialize implements ContainerRequestFilter {
+	@Override
+	public void filter(ContainerRequestContext requestContext) throws IOException {
+		StageManager.getInstance();
+	}
+}