diff --git a/Config/Migration/001_plugin_records.php b/Config/Migration/001_plugin_records.php
index ca929e6..1ac1de1 100644
--- a/Config/Migration/001_plugin_records.php
+++ b/Config/Migration/001_plugin_records.php
@@ -45,6 +45,8 @@ class PluginRecords extends NetCommonsMigration {
 			//日本語
 			array(
 				'language_id' => '2',
+				'is_origin' => true,
+				'is_translation' => true,
 				'key' => 'bbses',
 				'namespace' => 'netcommons/bbses',
 				'name' => '掲示板',
@@ -58,6 +60,8 @@ class PluginRecords extends NetCommonsMigration {
 			//英語
 			array(
 				'language_id' => '1',
+				'is_origin' => false,
+				'is_translation' => true,
 				'key' => 'bbses',
 				'namespace' => 'netcommons/bbses',
 				'name' => 'BBS',
diff --git a/Config/Migration/1484544861_add_is_original_copy.php b/Config/Migration/1484544861_add_is_original_copy.php
new file mode 100644
index 0000000..2683d26
--- /dev/null
+++ b/Config/Migration/1484544861_add_is_original_copy.php
@@ -0,0 +1,71 @@
+<?php
+/**
+ * 多言語化対応
+ *
+ * @author Shohei Nakajima <nakajimashouhei@gmail.com>
+ * @link http://www.netcommons.org NetCommons Project
+ * @license http://www.netcommons.org/license.txt NetCommons License
+ * @copyright Copyright 2014, NetCommons Project
+ */
+
+App::uses('NetCommonsMigration', 'NetCommons.Config/Migration');
+
+/**
+ * 多言語化対応
+ *
+ * @author Shohei Nakajima <nakajimashouhei@gmail.com>
+ * @package NetCommons\Bbses\Config\Migration
+ */
+class AddIsOriginalCopy extends NetCommonsMigration {
+
+/**
+ * Migration description
+ *
+ * @var string
+ */
+	public $description = 'add_is_original_copy';
+
+/**
+ * Actions to be performed
+ *
+ * @var array $migration
+ */
+	public $migration = array(
+		'up' => array(
+			'create_field' => array(
+				'bbs_articles' => array(
+					'is_original_copy' => array('type' => 'boolean', 'null' => false, 'default' => '0', 'comment' => 'オリジナルのコピー。言語を新たに追加したときに使用する', 'after' => 'is_translation'),
+				),
+				'bbses' => array(
+					'is_original_copy' => array('type' => 'boolean', 'null' => false, 'default' => '0', 'comment' => 'オリジナルのコピー。言語を新たに追加したときに使用する', 'after' => 'is_translation'),
+				),
+			),
+		),
+		'down' => array(
+			'drop_field' => array(
+				'bbs_articles' => array('is_original_copy'),
+				'bbses' => array('is_original_copy'),
+			),
+		),
+	);
+
+/**
+ * Before migration callback
+ *
+ * @param string $direction Direction of migration process (up or down)
+ * @return bool Should process continue
+ */
+	public function before($direction) {
+		return true;
+	}
+
+/**
+ * After migration callback
+ *
+ * @param string $direction Direction of migration process (up or down)
+ * @return bool Should process continue
+ */
+	public function after($direction) {
+		return true;
+	}
+}
diff --git a/Config/Schema/schema.php b/Config/Schema/schema.php
index 66ae9c5..1f64974 100644
--- a/Config/Schema/schema.php
+++ b/Config/Schema/schema.php
@@ -86,6 +86,7 @@ public function after($event = array()) {
 		'is_latest' => array('type' => 'boolean', 'null' => false, 'default' => '0', 'comment' => '最新コンテンツかどうか 0:最新でない 1:最新'),
 		'is_origin' => array('type' => 'boolean', 'null' => false, 'default' => '1', 'comment' => 'オリジナルかどうか'),
 		'is_translation' => array('type' => 'boolean', 'null' => false, 'default' => '0', 'comment' => '翻訳したかどうか'),
+		'is_original_copy' => array('type' => 'boolean', 'null' => false, 'default' => '0', 'comment' => 'オリジナルのコピー。言語を新たに追加したときに使用する'),
 		'key' => array('type' => 'string', 'null' => false, 'default' => null, 'key' => 'index', 'collate' => 'utf8_general_ci', 'comment' => 'キー', 'charset' => 'utf8'),
 		'title' => array('type' => 'string', 'null' => false, 'default' => null, 'collate' => 'utf8_general_ci', 'comment' => 'タイトル', 'charset' => 'utf8'),
 		'title_icon' => array('type' => 'string', 'null' => true, 'default' => null, 'collate' => 'utf8_general_ci', 'charset' => 'utf8'),
@@ -134,6 +135,7 @@ public function after($event = array()) {
 		'language_id' => array('type' => 'integer', 'null' => false, 'default' => '2', 'length' => 6, 'unsigned' => false, 'comment' => '言語ID'),
 		'is_origin' => array('type' => 'boolean', 'null' => false, 'default' => '1', 'comment' => 'オリジナルかどうか'),
 		'is_translation' => array('type' => 'boolean', 'null' => false, 'default' => '0', 'comment' => '翻訳したかどうか'),
+		'is_original_copy' => array('type' => 'boolean', 'null' => false, 'default' => '0', 'comment' => 'オリジナルのコピー。言語を新たに追加したときに使用する'),
 		'name' => array('type' => 'string', 'null' => false, 'default' => null, 'collate' => 'utf8_general_ci', 'comment' => '掲示板名称', 'charset' => 'utf8'),
 		'bbs_article_modified' => array('type' => 'datetime', 'null' => true, 'default' => null, 'comment' => '記事の最終更新日時'),
 		'created_user' => array('type' => 'integer', 'null' => true, 'default' => '0', 'unsigned' => false, 'comment' => '作成者'),