https://twitter.com/kunimituyuji
https://twitter.com/intent/user?user_id=1082172582088962049
http://doujinshi.mugimugi.org/browse/author/5825/U-Jin/
http://en.wikipedia.org/wiki/U-Jin
http://ja.wikipedia.org/wiki/遊人
https://www.animenewsnetwork.com/encyclopedia/people.php?id=84650
