https://www.pixiv.net/users/587117
https://www.pixiv.net/stacc/pit-bull
https://twitter.com/sickybull
https://twitter.com/zuckycky
https://twitter.com/intent/user?user_id=113532694
https://twitter.com/intent/user?user_id=1297697456038109184
https://fantia.jp/baa27833b9
https://fantia.jp/fanclubs/495310
https://sketch.pixiv.net/@pit-bull
https://skeb.jp/@sickybull
http://mixi.jp/show_profile.pl?id=43394239
https://suzuri.jp/sickybull
http://pixiv.cc/pitbull
