diff --git a/src/main/java/cactusServer/entities/Character.java b/src/main/java/cactusServer/entities/Character.java
index fa8a42c..2aa5a93 100644
--- a/src/main/java/cactusServer/entities/Character.java
+++ b/src/main/java/cactusServer/entities/Character.java
@@ -6,6 +6,7 @@
 import java.util.Map;
 
 import org.ntlab.radishforandroidstudio.framework.model3D.Position3D;
+import org.ntlab.radishforandroidstudio.framework.model3D.Quaternion3D;
 
 import cactusServer.models.Instances;
 import cactusServer.utils.RandomStringGenerator;
@@ -16,7 +17,7 @@
 	private String areaURI;
 	private String name;
 	private Position3D position;
-	private Angle angle;
+	private Quaternion3D angle;
 	private String modelID;
 
 	private HashMap<String, Item> itemMap = new HashMap<>();
@@ -27,7 +28,7 @@
 		// JSONDecode���̌Ăяo���p
 	}
 
-	public Character(String instanceId, String accountURI, String name, Position3D position, Angle angle,
+	public Character(String instanceId, String accountURI, String name, Position3D position, Quaternion3D angle,
 			String modelID) {
 		setAccountURI(accountURI);
 		setName(name);
@@ -49,7 +50,7 @@
 		return position;
 	}
 
-	public Angle getAngle() {
+	public Quaternion3D getAngle() {
 		return angle;
 	}
 
@@ -83,7 +84,7 @@
 		this.position = position;
 	}
 
-	public void setAngle(Angle angle) {
+	public void setAngle(Quaternion3D angle) {
 		this.angle = angle;
 	}
 
@@ -141,7 +142,7 @@
 		return "";
 	}
 
-	public void update(Position3D position, Angle angle, String modelID, String areaURI) {
+	public void update(Position3D position, Quaternion3D angle, String modelID, String areaURI) {
 		setPosition(position);
 		setAngle(angle);
 		if (modelID != null) {