Lock Heart

Also known as Juuryokudou and Rock Heart

https://www.pixiv.net/member.php?id=12239
https://twitter.com/lockheart4649

PatchuMari Manga sample Touhou Project Doujin released Oct 1 '15 Marisa x Patchouli Sleeping Yuri
Nitori and Marisanta Touhou Project Doujin released Dec 25 '17 Christmas Comedy Marisa x Nitori