https://www.pixiv.net/users/1412123
https://www.pixiv.net/stacc/yoshikattyu
https://twitter.com/yoshikattyu
https://twitter.com/intent/user?user_id=200095142
https://pawoo.net/@yoshikattyu
https://pawoo.net/web/accounts/212349
https://sketch.pixiv.net/@yoshikattyu
http://www.ustream.tv/channel/yoshikattyu-painting
http://p.twipple.jp/user/yoshikattyu
http://twitpic.com/photos/yoshikattyu
