https://www.pixiv.net/users/103351
https://www.pixiv.net/stacc/eris0424
https://twitter.com/yshk04
https://twitter.com/intent/user?user_id=103898785
http://com.nicovideo.jp/community/co344908
https://yoshihiko.fanbox.cc
https://sketch.pixiv.net/@eris0424
http://aoten4.blog.fc2.com
http://www.ustream.tv/user/yoshihiko_
http://www.ustream.tv/user/yoshihiko_4
