Katayama Kei — https://www.pixiv.net/member.php?id=90042

Also known as wagocolo

The Yorigami Sisters' Chupacabra Get-Rich-Quick Scheme!? Touhou Project Doujin released Dec 23 '23 Comedy Fantasy Jo'on x Shion

Wounds and Eden Touhou Project Doujin released Apr 9 '26 Angel Bloodshed Demon Elis x Sariel Yuri