Kozou — http://www.pixiv.net/member.php?id=5626224

Also known as Shounen Shoujo Brigade and Soumuden

Arc-en-Ciel – Couturier of the Forest of Magic Touhou Project Doujin released Mar 16 '15 Comedy

Trick or Treat Touhou Project Doujin released Nov 1 '17 Comedy Halloween

the witches (Cover Art + Table of Contents) by Aoi, Kozou, and Meiji Touhou Project Doujin released Nov 29 '23 Alice x Marisa Yuri