(Mimiket 3) [OVACAS (Hirokawa Kouichirou)] Zoids Tanekentai Born Free (ZOIDS)
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus) [English] [shakuganexa]
Otonano Omochiya Vol. 16
[Nakanoo Kei] Lovely Uncut Lover (Kyoudai Renka) [English] [TSHH]
[Otonano Gu-wa (Yamada Tarou (Kamei))] EROSION 8
[Hirokawa Tomo] Cherry Concerto
(Puniket 9) [Hirokaworld (Hirokawa)] Nyaa Hon
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!)
[Otonano Gu-wa (Yamada Tarou (Kamei))] Boshi Yuugi Ge - Mother and Child Game [English] [N04h]
Sennou Yuugi - Brainwash Game
itazuranyanko to konamaiki
EROSION 03
[Hirokawa Tomo] Fresh Meat!
[Otonano Gu-wa (Yamada Tarou (Kamei))] TABOO Hitomi Zenpen [Chinese] [柚月佳叶个人汉化]
(C69) [KNOCKOUT (Various)] Oshiri de Kyu! 9 (Various)
(Comic Castle Final) [Nipopo Crisis, OVACAS (Genka Ichien, Hirokawa Kouichirou) Patsukin Dynamite HEAVEN (Bakusou Kyoudai Lets & Go!!)
Ovacas Style 2008
[たかお1] 彼女の願い (Fate/stay night)
Haru Matsuri Chichi Matsuri 2010
(CT20) [OVACAS (Hirokawa Kouichirou)] Bouhatei no Onna. (Joshiraku)
(SUPER22) [1000+10 (Atsuyu, Douiukotonano)] Rin-chan ga Futanari ni Natte Archer to Ecchi Suru Hon (Fate/stay night) [Chinese]
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus)
(C56) [Doudan Tsutsuji (Doudantsutsuji, Hirokawa Tomo)] Getten! (Mamotte Shugogetten)
[Otonano Gu-wa (Yamada Tarou (Kamei))] Kaseifu Monogatari Jo
(C66) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 5 (Pretty Cure)
[Otonano Gu-wa (Yamada Tarou (Kamei))] TABOO Hitomi Zenpen [English]
COMIC Penguinclub Sanzokuban 2003-12
EROSION 06
[Otonano Do-wa (Takei Masaki)] AKANE
(C56) [OVACAS (Various)] Dore Mix (Ojamajo Doremi)
COMIC Penguin Club Sanzokuban 2001-08 [Incomplete]
[OKAWARI] Otona ni naru kusuri 5
[Otonano Gu-wa (Yamada Tarou (Kamei))] Boshi Yuugi Ge - Mother and Child Game
Hatakaze no Otonanoumocha
Two Toned Romps
Imoimo Yuugi - Sisters Game
Otonano Do-wa Vol. 16