(C60) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 3 (Various)
Otonano Omochiya Vol.6 - Ch.4
[Hirokawa Tomo] Puripanyu Z
[COMIC] Penguinclub Sanzokuban 2003-02
[Hirokawa Kouichirou] A to Z
Otonano Omochiya Vol. 15
(C70) [Knockout, Nikomark (Various)] Chougokubuto | Super Gokubuto (Various)
[Hirokawa Kouichirou] Deep Trip | 銷魂之旅 [Chinese]
Otonano Omochiya 6 Kan
(C66) [Shuudan Bouryoku (Various)] File/12 Record of Aldelayd - EXHIBITION DX4
(Suika Musume 3) [Ovacas (Hirokawa Kouichirou)] Asama de Training (Issho ni Training)
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-Hajime (My-HiME)
Otonano Omochiya 12 Futaba no Ohanashi Matome 12
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)
(C81) [Manchin Sakura (COSiNE ,Erect Sawaru and more) Chun-li san to COSiNE ni Shuu Shuunen Kinen Hon (Street Fighter)
(C79) [OVACAS (Hirokawa Kouichirou)] Tenshi(Bitch) ni Love Song o! (Panty & Stocking with Garterbelt)
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-hajimeru (My-HiME) [English] [SaHa]
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 12 Futaba no Ohanashi Matome 2 [English] [Digital] [Ongoing]
[Anthology] Aokan Special
Otonano Omochiya Vol. 16
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 3 Kan
COMIC Penguin Club Sanzokuban 2001-08 [Incomplete]