Mokku http://www.pixiv.net/member_illust.php?id=125450

Also known as Mock, Hammock, and Ham-Mock

The Winter Flower Touhou Project Doujin released Jul 8 '10 Comedy Letty x Yuuka Yuri
Flower Master Touhou Project Doujin released Sep 5 '11 Slice of life
A Flower for the Heart Touhou Project Doujin released Jun 10 '12 Action Fantasy Marisa x Yuuka
Flower Satori Touhou Project Doujin released Jan 26 '18 Action Koishi x Satori Koishi x Yuuka
Hanayome ni Naritai! Touhou Project Doujin released Apr 4 '21 Comedy Marriage Reimu x Yuuka Yuri