Artist.
https://www.pixiv.net/users/1725395
https://www.pixiv.net/stacc/s_yasuhira
https://twitter.com/S_yasuhira
https://twitter.com/intent/user?user_id=214464283
https://uoiqcttx.fanbox.cc
https://www.pixiv.net/fanbox/creator/1725395
https://sketch.pixiv.net/@s_yasuhira
https://gorilla019.tumblr.com
https://gorilla-garage.tumblr.com
https://www.pixiv.net/stacc/ii_elephant_ii
https://twitter.com/gorilla_1900
http://p.twipple.jp/user/gorilla_1900
http://twitpic.com/photos/gorilla_1900
