Ichidai Taisa

https://www.pixiv.net/en/users/1571383
https://twitter.com/ichidaitaisa
https://twitter.com/1dtsa

TohoWalker No.0.1 by Ichidai Taisa and Niwatoriya Touhou Project Doujin released Aug 17 '08 Comedy Full color Valentine's
Sayaka-chan Hyper Battle Fanbook - Sayaka VS Sayaka Puella Magi Madoka Magica Doujin released Sep 5 '12 Action Clones Comedy