Shisei Kuromasa

Also known as Benjamin

https://black.ap.teacup.com/zundoko/

Himawari Saita released Jul 10 '08 School girl Telling twins apart Twins Yuri
Little Garden released Aug 8 '08 School life Yuri
Water Garden released Sep 23 '08 School life Sequel Swimsuits
The Two of Us, Together Under the Sky released Sep 29 '08 Sequel Yuri
Closer, Yet Further Apart Than Anyone released Mar 1 '09 Age gap Player Pseudo-incest Student x Teacher Yuri
Warashi and Tasuke Original Doujin released Aug 22 '09 Futanari Het Incest Lots of sex NSFW Threesome
Kanojo To Shinigami released Nov 3 '09 Aaaaaangst Fantasy Yuri
Just Another Day For Them released Jan 23 '10 Princess carry Yuri
Beyond the Feeling released Apr 24 '10 School life Theater Yuri