Artist, mangaka.
Name: 琴義弓介 (Kotoyoshi Yumisuke)
Circle: ハタハタ工房 (Hatahata Koubou aka HATAHATA FACTORY)
https://www.pixiv.net/users/34647767
https://www.pixiv.net/stacc/user_tvvj5273
https://twitter.com/kotoyoshi_y
https://twitter.com/intent/user?user_id=2835524408
https://sketch.pixiv.net/@user_tvvj5273
http://kotoyoshi.blog.fc2.com
http://ja.wikipedia.org/wiki/琴義弓介
http://www.doujinshi.org/browse/author/577/
