Cube Sugar http://www.pixiv.net/member.php?id=30795

Also known as Futaba Miwa

Flower Petal Touhou Project Doujin released Jun 29 '07 Alice x Marisa Yuri
Rain of Petal Touhou Project Doujin released Nov 9 '08 Alice x Marisa Yuri
Shuffle Touhou Project Doujin released May 2 '10 Comedy Ecchi Fantasy
Chino-chan is Infatuated with Kokoa√ Gochuumon wa Usagi desu ka? Doujin released Sep 9 '16 Chino x Cocoa Lolicon Masturbation NSFW Wishful thinking Yuri
MEMORIES Touhou Project Doujin released Nov 20 '17 Aya x Momiji Slice of life