https://www.pixiv.net/users/852221
https://www.pixiv.net/stacc/seiran-kai
https://twitter.com/seiran_kai
https://twitter.com/intent/user?user_id=8740052
https://pawoo.net/@seiran_kai
https://pawoo.net/web/accounts/42543
https://sketch.pixiv.net/@seiran-kai
http://blog.goo.ne.jp/seiran-kai
http://twitpic.com/photos/seiran_kai
http://yfrog.com/user/seiran_kai/photos