http://www.youtube.com/watch?v=M6rb6kknj3A

http://www.kotaro269.com/articles/36429.html

http://www.nishinippon.co.jp/feature/life_topics/article/68519

http://www.sanin-chuo.co.jp/newspack/modules/news/article.php?storyid=1255050009

http://www.bengo4.com/topics/1161/