diff --git a/src/main/java/cactusServer/entities/Character.java b/src/main/java/cactusServer/entities/Character.java
index a9bb863..9519233 100644
--- a/src/main/java/cactusServer/entities/Character.java
+++ b/src/main/java/cactusServer/entities/Character.java
@@ -15,7 +15,7 @@
 	private String name;
 	private Position3D position;
 	private Angle angle;
-	private CharacterModel model;
+	private String model;
 	private String areaURI;
 	private HashMap<String, Item> itemMap = new HashMap<>();
 	@JSONHint(ignore = true)
@@ -26,7 +26,7 @@
 	}
 
 	// public Character(String accountURI, String name, Position3D position, Angle
-	// angle, CharacterModel model) {
+	// angle, String model) {
 	// setAccountURI(accountURI);
 	// setName(name);
 	// setPosition(position);
@@ -36,7 +36,7 @@
 	// }
 
 	public Character(String instanceId, String accountURI, String name, Position3D position, Angle angle,
-			CharacterModel model) {
+			String model) {
 		setAccountURI(accountURI);
 		setName(name);
 		setPosition(position);
@@ -61,7 +61,7 @@
 		return angle;
 	}
 
-	public CharacterModel getModel() {
+	public String getModel() {
 		return model;
 	}
 
@@ -99,7 +99,7 @@
 		this.angle = angle;
 	}
 
-	public void setModel(CharacterModel model) {
+	public void setModel(String model) {
 		this.model = model;
 	}
 
@@ -152,6 +152,26 @@
 		}
 		throw new IllegalStateException("Character is in the unknown area.");
 	}
+	
+	public void updateCharacter(Position3D position, Angle angle, String model) {
+		setPosition(position);
+		setAngle(angle);
+		setModel(model);
+		updateAreaURI();
+	}
+	
+	private void updateAreaURI() {
+		String[] areaURISplit = areaURI.split("/"); // �c�c/instances/{instanceId}/areas/{areaId}
+		int splitSize = areaURISplit.length;
+		String instanceId = areaURISplit[splitSize - 3];
+		String previousAreaId = areaURISplit[splitSize - 1];
+		Instance instance = Instances.getInstance().getInstance(instanceId);
+		Area previousArea = instance.getArea(previousAreaId);
+		if (!previousArea.isSurroundingPosition(position)) {
+			// �L�����N�^�[�̃|�W�V������p���Ăǂ̃G���A���ɂ��邩�𔻒肵�ē��Y�G���A��URI�ɍX�V����
+			setAreaURI(findAreaURI(instance));
+		}
+	}
 
 	public Item destroyItem(String itemId) {
 		return itemMap.remove(itemId);