Sisyamo

Also known as Shishamo

https://twitter.com/@0000_sisyamo
https://www.pixiv.net/member.php?id=1190269

Yoshida-san Wants to Invite by Mitsuru and Sisyamo It's Not My Fault That I'm Not Popular! Doujin released Jan 18 '19 4-koma Comedy Mako x Yoshida Yuri
Pocket Yuri-chan It's Not My Fault That I'm Not Popular! Doujin released Jun 18 '19 4-koma Comedy Nemoto x Yuri Very large size gap