(SC32) [OVACAS (Hirokawa Kouichirou)] another day (Ojamajo Doremi)
(C64) [KNOCKOUT (Various)] Oshiri de Kyu! 8 (Various)
[Otonano Omochiya (Hirokawa)] Otonano Omochiya Vol. 15 [English]
Kono subarashī Amahito-chan no demisōsu!
Otonano Omochiya 12 Futaba no Ohanashi Matome 2
(CR35) [Abellcain (Fujimaru Arikui)] KALEIDOSCOPE (Kaleidostar)
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus) [English] [shakuganexa]
(SC19) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Rotation (Gundam SEED)
Love Style
[Shuudan Bouryoku (集団暴力)] HOOLIGANISM File/10 RECORD OF ALDELAYD ExhibitionDX2
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni)
(Puniket 9) [Marchen Box (Various)] Two Toned Romps (Pretty Cure)
[Hirokawa Kouichirou] PET LIFE
Otonano Omochiya 6 Kan
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-hajimeru (My-HiME) [English] [SaHa]
Ovacas Style 2008
(C79) [OVACAS (Hirokawa Kouichirou)] Tenshi(Bitch) ni Love Song o! (Panty & Stocking with Garterbelt)
(C76) [OVACAS (Hirokawa Kouichirou)] Asamade Training (Issho ni Training)
[Otonano Omochiya (Hirokawa,Yukito)] Otonano Omochiya Vol.13 [English][ChoriScans]
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
[Hirokaworld (Hirokawa)] petta
COMIC Penguinclub Sanzokuban 2003-08
(C57) [OVACAS (Hirokawa Kouichirou)] Doremix Deluxe (Ojamajo Doremi)
(C81) [OVACAS (Hirokawa Kouichirou)] SUITE&BITCH (Suite Precure)
(C78) [Shuudan Bouryoku (Various)] Hooliganism 17 Record of ALDELAYD Act.12 Exhibition DX9
[Hirokawa Tomo] Cherry Concerto
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME) [English] [SaHa]
COMIC Penguinclub Sanzokuban 2003-01
(COMIC1) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] Itazura Drill (Tengen Toppa Gurren Lagann)
(C74) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] S.M.S Niyoukoso! (Macross Frontier)
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!)
Otonano Omochiya 6 Kan
Otonano Omochiya Vol. 15
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
Men's Dolphin 1999-11-01 Vol.03
[Amatoro Bow] Hanarete Ite mo Hito ni Fureru Otoko
Otonano Omochiya Vol. 1-14
(C56) [OVACAS (Various)] Dore Mix (Ojamajo Doremi)
Otonano Omochiya 6 Kan
[Hirokaworld (Hirokawa)] Shiikibi (Various) [Digital]
(C54) [OVACAS (Various)] Capricon 1 Director's Cut (Various)
(C62) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 4 Sokuon (Azumanga-Daioh)
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!) [English] [biribiri]
(CR27) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH (Various)
After School XX Time
Capricon I - Director's Cut
(Comic Castle 2005) [Abellcain (Fujimaru Arikui)] EUREKA FIGHT (Eureka seveN)
(C81) [Manchin Sakura (COSiNE ,Erect Sawaru and more) Chun-li san to COSiNE ni Shuu Shuunen Kinen Hon (Street Fighter)
Otonano Omochiya 12 Futaba no Ohanashi Matome 2
[OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia Kaiteiban (Manabi Straight!)
[Dangan Densetsu (Hirokawa Tomo)] Fairy Shape (Final Fantasy VIII)
(Puniket 6) [OVACAS (Hirokawa Kouichirou)] AxA (Ojamajo Doremi)
Otonano Omochiya Vol. 13
[Hirokawa Tomo] Puripanyu Z
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 (Various)
(Puniket 19) [Hirokaworld (Hirokawa)] Shiikibi (Various)
(Puniket 11) [Hirokaworld (Hirokawa)] Pachie-bon (3-nen B-gumi Kinpachi Sensei Densetsu no Kyoudan ni tate!)
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time (K-ON!)
[Hirokawa Tomo] Fresh Meat! [Chinese]
(SC16) [Ovacas (Hirokawa Kouichirou)] Nichiyou Asa no 8-ji 30-bu (Ojamajo Doremi)
COMIC Penguinclub Sanzokuban 2003-12