Artist, eroge and light novel illustrator.
Illustrator for the light novel Dantalian no Shoka and Kokubyaku no Avesta.
An artist and character designer for the visual novel company light.
https://www.pixiv.net/users/451593
https://www.pixiv.net/stacc/asdf0121
https://x.com/gyuusuke0601
https://x.com/i/user/4557925520
https://pawoo.net/@asdf0121
https://pawoo.net/web/accounts/188883
https://sketch.pixiv.net/@asdf0121
http://ja.wikipedia.org/wiki/Gユウスケ
http://gyuusuke.exblog.jp
http://www.doujinshi.org/browse/author/20806
