diff --git a/Model/Behavior/SaveUserBehavior.php b/Model/Behavior/SaveUserBehavior.php
index 086d1d2..10a1ca7 100644
--- a/Model/Behavior/SaveUserBehavior.php
+++ b/Model/Behavior/SaveUserBehavior.php
@@ -10,6 +10,7 @@
  */
 
 App::uses('ModelBehavior', 'Model');
+App::uses('CurrentSystem', 'NetCommons.Utility');
 
 /**
  * SaveUser Behavior
@@ -220,6 +221,90 @@ private function __setValidates(Model $model, $userAttribute) {
 		}
 	}
 
+/**
+ * beforeSave is called before a model is saved. Returning false from a beforeSave callback
+ * will abort the save operation.
+ *
+ * @param Model $model Model using this behavior
+ * @param array $options Options passed from Model::save().
+ * @return mixed False if the operation should abort. Any other result will continue.
+ * @see Model::save()
+ */
+	public function beforeSave(Model $model, $options = array()) {
+		//インストール時は、言語のCurrentデータをセットする
+		if (! Configure::read('NetCommons.installed')) {
+			(new CurrentSystem())->setLanguage();
+		}
+
+		return true;
+	}
+
+/**
+ * afterSave is called after a model is saved.
+ *
+ * @param Model $model Model using this behavior
+ * @param bool $created True if this save created a new record
+ * @param array $options Options passed from Model::save().
+ * @return bool
+ * @see Model::save()
+ * @throws InternalErrorException
+ */
+	public function afterSave(Model $model, $created, $options = array()) {
+		//UsersLanguage登録
+		$usersLanguages = Hash::get($model->data, 'UsersLanguage', array());
+		if ($created) {
+			$usersLanguages = Hash::insert($usersLanguages, '{n}.user_id', $model->data['User']['id']);
+		}
+		foreach ($usersLanguages as $index => $usersLanguage) {
+			if (! $ret = $model->UsersLanguage->save($usersLanguage, false, false)) {
+				throw new InternalErrorException(__d('net_commons', 'Internal Server Error'));
+			}
+			$model->data['UsersLanguage'][$index] = Hash::extract($ret, 'UsersLanguage');
+		}
+
+		if ($created) {
+			//プライベートルームの登録
+			$model->loadModels([
+				'PrivateSpace' => 'PrivateSpace.PrivateSpace',
+				'Room' => 'Rooms.Room',
+			]);
+			$room = $model->PrivateSpace->createRoom();
+			$room['RolesRoomsUser']['user_id'] = $model->data['User']['id'];
+			$room = $model->Room->saveRoom($room);
+			if (! $room) {
+				throw new InternalErrorException(__d('net_commons', 'Internal Server Error'));
+			}
+
+			//プライベートルームのデフォルトでプラグイン設置
+			$result = $model->PrivateSpace->saveDefaultFrames($room);
+			if (! $result) {
+				throw new InternalErrorException(__d('net_commons', 'Internal Server Error'));
+			}
+
+			//デフォルト参加ルームの登録
+			$rooms = $model->Room->find('all', array(
+				'recursive' => -1,
+				'conditions' => array(
+					'OR' => array(
+						'default_participation' => true,
+						'root_id' => null
+					)
+				),
+			));
+
+			if (! Configure::read('NetCommons.installed')) {
+				$rooms = Hash::insert(
+					$rooms, '{n}.Room.default_role_key', Role::ROOM_ROLE_KEY_ROOM_ADMINISTRATOR
+				);
+			}
+			foreach ($rooms as $room) {
+				$room['RolesRoomsUser']['user_id'] = $model->data['User']['id'];
+				$model->Room->saveDefaultRolesRoomsUser($room, false);
+			}
+		}
+		return true;
+	}
+
 /**
  * ユーザの登録処理
  *
diff --git a/Model/User.php b/Model/User.php
index eaead80..b027224 100644
--- a/Model/User.php
+++ b/Model/User.php
@@ -21,8 +21,6 @@
  *
  * @author Shohei Nakajima <nakajimashouhei@gmail.com>
  * @package NetCommons\Users\Model
- * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
- * @SuppressWarnings(PHPMD.TooManyPublicMethods)
  */
 class User extends UsersAppModel {
 
@@ -376,66 +374,6 @@ public function afterValidate() {
 		}
 	}
 
-/**
- * Called after each successful save operation.
- *
- * @param bool $created True if this save created a new record
- * @param array $options Options passed from Model::save().
- * @return void
- * @link http://book.cakephp.org/2.0/en/models/callback-methods.html#aftersave
- * @see Model::save()
- * @throws InternalErrorException
- */
-	public function afterSave($created, $options = array()) {
-		//UsersLanguage登録
-		$usersLanguages = Hash::get($this->data, 'UsersLanguage', array());
-		if ($created) {
-			$usersLanguages = Hash::insert($usersLanguages, '{n}.user_id', $this->data['User']['id']);
-		}
-		foreach ($usersLanguages as $index => $usersLanguage) {
-			if (! $ret = $this->UsersLanguage->save($usersLanguage, false, false)) {
-				throw new InternalErrorException(__d('net_commons', 'Internal Server Error'));
-			}
-			$this->data['UsersLanguage'][$index] = Hash::extract($ret, 'UsersLanguage');
-		}
-
-		//インストール時は、言語のCurrentデータをセットする
-		if (! Configure::read('NetCommons.installed')) {
-			(new CurrentSystem())->setLanguage();
-		}
-
-		if ($created) {
-			//プライベートルームの登録
-			$this->loadModels([
-				'PrivateSpace' => 'PrivateSpace.PrivateSpace',
-				'Room' => 'Rooms.Room',
-			]);
-			$room = $this->PrivateSpace->createRoom();
-			$room['RolesRoomsUser']['user_id'] = $this->data['User']['id'];
-			if (! $this->Room->saveRoom($room)) {
-				throw new InternalErrorException(__d('net_commons', 'Internal Server Error'));
-			}
-
-			//デフォルト参加ルームの登録
-			$rooms = $this->Room->find('all', array(
-				'recursive' => -1,
-				'conditions' => array(
-					'OR' => array(
-						'default_participation' => true,
-						'root_id' => null
-					)
-				),
-			));
-			foreach ($rooms as $room) {
-				$room['RolesRoomsUser']['user_id'] = $this->data['User']['id'];
-				if (! Configure::read('NetCommons.installed')) {
-					$room['Room']['default_role_key'] = Role::ROOM_ROLE_KEY_ROOM_ADMINISTRATOR;
-				}
-				$this->Room->saveDefaultRolesRoomsUser($room, false);
-			}
-		}
-	}
-
 /**
  * Userの生成
  *