Yuzu Momo — http://www.pixiv.net/member.php?id=344792

Also known as Yuzumomo Jam

Here is 1st Street, Old Hell Town Vol.1 Touhou Project Doujin released Dec 10 '12 Childification Comedy Satori x Rin

The Bread’s Ready, Yuuka-san Touhou Project Doujin released Jan 18 '15 Bread Comedy Food