HOTA. http://www.pixiv.net/member.php?id=3309

Also known as Iyokan

Pixiv has Het, NSFW.

Backyard Romantic by HOTA. and Mizutataki Touhou Project Doujin released Jul 19 '09 Reimu x Yukari Yuri
Unseasonable Summer Song by HOTA. and Mizutataki Touhou Project Doujin released Jul 23 '09 NSFW Reimu x Yukari Romance Yuri
Dream and Reality by HOTA. and Surrounded by Enemies Touhou Project Doujin released Aug 6 '12 Action Drama Light Novel Reimu x Yukari Renko x Maribel Text Tragedy Yuri
K-ON! Anthology Comic ch02: Good-bye! Yui Hirasawa released Jan 31 '13 4-koma Anime Comedy Music School life Spin-off
Hakugyokurou-style Tri-colour Udon by ACID CLUB EAST and HOTA. Touhou Project Doujin released Feb 2 '15 Comedy Food
YukaRei Priceless Touhou Project Doujin released Nov 13 '18 Comedy Reimu x Yukari Yuri