https://www.pixiv.net/users/52962
https://www.pixiv.net/stacc/katamimibuta
https://twitter.com/katamimibuta
https://twitter.com/intent/user?user_id=100362554
https://sketch.pixiv.net/@katamimibuta
http://mixi.jp/show_profile.pl?id=9901435
http://doujinshi.mugimugi.org/browse/circle/4912/Katamimi-Buta/
