[Ando Hiroyuki] Besoffen und Gluecklich (german)
[Hiroyuki Kai] Love Kachuu - Lover's Time - [CHINESE]
[Ryouran Douji (ex Atari Hiroyuki)] Manaita Seichouki (COMIC Penguin Club Sanzokuban 2010-09)
[Hiroyuki Kai] Kyoudai no Natsuyasumi [Chinese]
[Ryouran Douji (ex Atari Hiroyuki)] Ero Gate (COMIC Penguin Club Sanzokuban 2010-10)
[Kai Hiroyuki] Manatsu no Hanazono Ch. 1 [German] [SchmidtSST]
(C77) [Sanadura Doujinshi Publisher (Sanazura Hiroyuki)] Hot Pants Shoujo no Yuutsu (Steins;Gate)
(CR35) [UROBOROS (Utatane Hiroyuki)] Ookii Otomodachi (Hit wo Nerae!)
(CR24) [UROBOROS (Utatane Hiroyuki)] G
[Uroboros (Hiroyuki Utatane)] Pure Pure 2nd Edition
[UROBOROS (Ramiya Ryou, Utatane Hiroyuki)] Shiki (Shikigami no Shiro)
[Ryouran Douji (Atari Hiroyuki)] Libidoll (COMIC Penguin Club Sanzokuban 2011-02)
[Kai Hiroyuki] Manatsu no Hanazono Ch. 1-3 [ENG] [Yoroshii]
[Kai Hiroyuki] Amai Sasoi ni Goyoujin!? (COMIC Penguin Club Sanzokuban 2011-03)
[Kai Hiroyuki] Manatsu no Hanazono