https://www.pixiv.net/users/1363948
https://www.pixiv.net/stacc/butatenzan
https://twitter.com/polinky666
https://twitter.com/intent/user?user_id=637303505
https://sketch.pixiv.net/@butatenzan
http://www.geocities.co.jp/AnimeComic-Name/8164
http://doujinshi.mugimugi.org/browse/author/3770/Hori-Hiroaki
