Artist.
https://www.pixiv.net/users/20787
https://www.pixiv.net/stacc/yangsfan
https://twitter.com/Soga_makoto
https://twitter.com/intent/user?user_id=154014426
https://sketch.pixiv.net/@yangsfan
https://www.weibo.com/u/2465883883
https://www.weibo.com/yangsion
http://yangsion.web.fc2.com
http://yangsion.web.fc2.com/gallary_main.htm
https://www.mangaupdates.com/author/og57cwi
https://www.mobygames.com/person/1204155
https://myanimelist.net/people/40390
https://bcy.net/u/1398206