Capricon I - Director's Cut
After School XX Time
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time (K-ON!)
[Dangan Densetsu (Hirokawa Tomo)] Fairy Shape (Final Fantasy VIII)
[Hirokawa Tomo] Puripanyu Z
[Hirokawa Kouichirou] Deep Trip
(C78) [Shuudan Bouryoku (Murasaki Syu)] Hooliganism 17 Record of ALDELAYD Act.12 Exhibition DX9 (English) =LWB=
(SC19) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Rotation (Gundam SEED)
(C99) [Otonano Omochiya (Hirokawa)] Otonano Omochiya 17 [Chinese]
(Tougetsu-sai) [OVACAS (Hirokawa Kouichirou)] IYASI-K (Pani Poni)
(C79) [OVACAS (Hirokawa Kouichirou)] Tenshi(Bitch) ni Love Song o! (Panty & Stocking with Garterbelt)
(C69) [OVACAS (Hirokawa Kouichirou)] 1-NEN C-GUMI MAHOGUMI (Pani Poni)
Otonano Omochiya 12 Futaba no Ohanashi Matome 2
[Hirokawa Kouichirou] PET LIFE
Otonano Omochiya 17
Otonano Omochiya Vol. 14
(ABC 5) [OVACAS (Hirokawa Kouichirou)] Iro Iro Gal and Dou (Various)
(C66) [Shuudan Bouryoku (Various)] File/12 Record of Aldelayd - EXHIBITION DX4
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
[Anthology] Love Chara Taizen No. 6
(C60) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 3 (Various)
(C83) [OVACAS (Hirokawa Kouichirou)] Buratei Heart. (Joshiraku)
Otonano Omochiya 6 Kan
Two Toned Romps
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 EVENT EDITION (Various)
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)
(C77) [OVACAS (Hirokawa Kouichirou)] Love Style (Love Plus)
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!)
[Hirokaworld (Hirokawa)] Shiikibi (Various) [Digital]
[Hirokawa Tomo] Fresh Meat!
Men's Dolphin 1999-11-01 Vol.03
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-Hajime (My-HiME)
(C64) [Abellcain (Fujimaru Arikui)] Lucky Come Come (Kujibiki Unbalance)
(Comic Castle Final) [Nipopo Crisis, OVACAS (Genka Ichien, Hirokawa Kouichirou) Patsukin Dynamite HEAVEN (Bakusou Kyoudai Lets & Go!!)
(C90) [Hooliganism (Murasaki Syu, Hirokawa Kouichirou)] Kono Subarashii Demi-chan no Demi Sauce! (Demi-chan wa Kataritai, Kono Subarashii Sekai ni Syukufuku o!)
Otonano Omochiya Vol. 15
[Otonano Omochiya (Hirokawa)] Otonano Omochiya Vol. 15 [English]
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time | After School XX Time (K-ON!) [English] [Darknight]
[ANTHOLOGY] Meganekko Deluxe
[Hirokaworld (Hirokawa)] Neko Ebon Plus
(Puniket 11) [Hirokaworld (Hirokawa)] Pachie-bon (3-nen B-gumi Kinpachi Sensei Densetsu no Kyoudan ni tate!)
(CR27) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH (Various)
(C69) [KNOCKOUT (Various)] Oshiri de Kyu! 9 (Various)
Otonano Omochiya Vol. 1-14
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME)
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star) [English] [desudesu]
[Anthology] Love Chara Taizen No. 7 (Various)
[OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia Kaiteiban (Manabi Straight!)
(C76) [OVACAS (Hirokawa Kouichirou)] Asamade Training (Issho ni Training)
(SC32) [OVACAS (Hirokawa Kouichirou)] another day (Ojamajo Doremi)
Love Style
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME) [English] [SaHa]
(C57) [OVACAS (Hirokawa Kouichirou)] Doremix Deluxe (Ojamajo Doremi)
(C65) [INFINITY-FORCE (Various)] BL Are Go!! (Machine Robo Rescue)
Ovacas Style 2008
(Mimiket 3) [OVACAS (Hirokawa Kouichirou)] Zoids Tanekentai Born Free (ZOIDS)
(COMIC1) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] Itazura Drill (Tengen Toppa Gurren Lagann)
(SC23) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Precure Machine (Pretty Cure)
(COMIC1☆2) [OVACAS (Hirokawa Kouichirou)] Kurobeta (Minami-ke)
Otonano Omochiya 12 Futaba no Ohanashi Matome 12
[Shuudan Bouryoku (Murasaki Syu)] Takanashi-san-chi no 4 Shimai - 1 (WORKING!!)
[Otonano Omochiya (Hirokawa,Yukito)] Otonano Omochiya Vol.13 [Chinese]
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni Dash!)
(C84) [OVACAS (Hirokawa Kouichirou)] Kedamono-tachi no YAMATO. (Space Battleship Yamato 2199)
[Shuudan Bouryoku (集団暴力)] HOOLIGANISM File/10 RECORD OF ALDELAYD ExhibitionDX2
(C63) [OVACAS (Hirokawa Kouichirou)] Shirobom (Bomberman Jetters)
COMIC Penguinclub Sanzokuban 2002-10
(C64) [KNOCKOUT (Various)] Oshiri de Kyu! 8 (Various)
(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel)
COMIC Penguin Club Sanzokuban 2001-08 [Incomplete]
(CT20) [OVACAS (Hirokawa Kouichirou)] Bouhatei no Onna. (Joshiraku)
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni)
(Puniket 9) [Marchen Box (Various)] Two Toned Romps (Pretty Cure)
(Puniket 21) [Hirokaworld (Hirokawa)] Kojikabon Plus (Kodomo no Jikan)
COMIC Penguin Club Sanzokuban 2001-04
(C66) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 5 (Pretty Cure)
(C73) [OVACAS (Hirokawa Kouichirou)] Banchou Densetsu (Minami-ke)
(CR35) [Abellcain (Fujimaru Arikui)] KALEIDOSCOPE (Kaleidostar)
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 3 Kan
(C56) [OVACAS (Various)] Dore Mix (Ojamajo Doremi)
(C62) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 4 Sokuon (Azumanga-Daioh)
(C51) [Hiasobi Club (Fumizuki Kou)] NO BRAND LONELY WINTER
COMIC Penguin Club Sanzokuban 2000-09
(C65) [Infinity-Force (Various)] BL Are Go!! (Machine Robo Rescue)
Otonano Omochiya Vol. 16
[OVACAS (Hirokawa Kouichirou)] Kashi 1114 (Ojamajo Doremi)
COMIC Penguinclub Sanzokuban 2003-01
(C71) [OVACAS (Hirokawa Kouichirou)] BITCH STYLE (WITCHBLADE) [English] [desudesu]
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 3 Kan [English]
(C81) [OVACAS (Hirokawa Kouichirou)] SUITE&BITCH (Suite Precure)
(C71) [OVACAS (Hirokawa Kouichirou)] BITCH STYLE (WITCHBLADE)
(C55) [OVACAS (Various)] Heppoko Anime Chinpure Koupure (Various)