[Ando Hiroyuki] Koisuru Purin-pai
[Uroboros (Hiroyuki Utatane)] Pure Pure 1st Edition
Hiroyuki Utatane - Yuuwaku ~Erotic Eccentric~
[Sanazura Dojinshi Hakkojo (Sanazura Hiroyuki)] Lala x Haru Love-Troble (ToLOVE-Ru)
[Hiroyuki Atari] Bodily switch
[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs Special (English)
[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs 06 (English)
[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs 05 (English)
[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs 04 (English)
[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs 03 (English)
[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs 02 (English)
[Studio Proteus (Hiroyuki Utatane)] Countdown Sex Bombs 01 (English)
[Hiroyuki Utatane] Temptation 03: Crimson - The Other Tears of a Woman
[Hiroyuki Utatane] Temptation 02: Akira -Mirror-