Male Japanese artist.
Name: 残念な人 (Zannen na Hito, lit. "a bummer person")
Other names: Zannnenn1, 残念すぎる人
https://www.pixiv.net/users/1710240
https://www.pixiv.net/stacc/shirouna
https://x.com/Zannnenn1
https://x.com/i/user/275449601
https://seiga.nicovideo.jp/user/illust/20657096
https://www.nicovideo.jp/user/20657096
https://pawoo.net/@shirouna
https://pawoo.net/web/accounts/183161
https://g2bx1s58.fanbox.cc
https://www.pixiv.net/fanbox/creator/1710240
https://sketch.pixiv.net/@shirouna
https://skeb.jp/@Zannnenn1
http://p.twipple.jp/user/zannnenn1
http://twitpic.com/photos/zannnenn1
http://yfrog.com/user/zannnenn1/photos
