[Anthology] Love Chara Taizen No. 7 (Various)
(C65) [OVACAS (Hirokawa Kouichirou)] FLOW MY TEARS A SENIOR SAID (Uchuu No Stellvia)
(SC32) [OVACAS (Hirokawa Kouichirou)] another day (Ojamajo Doremi)
Capricon I - Director's Cut
Ovacas Style 2008
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
[Kantou Usagi Gumi] Pink Kami Keikaku (Various)
Otonano Omochiya Vol. 16
大人のおもちや3巻
[Shuudan Bouryoku (集団暴力)] HOOLIGANISM File/10 RECORD OF ALDELAYD ExhibitionDX2
Love Style
(Puniket 19) [Hirokaworld (Hirokawa)] Shiikibi (Various)
Otonano Omochiya Vol. 14
(C60) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 3 (Various)
(C54) [OVACAS (Various)] Capricon 1 Director's Cut (Various)
Magical? Banana
(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 6 Kan
(C78) [Shuudan Bouryoku (Murasaki Syu)] Hooliganism 17 Record of ALDELAYD Act.12 Exhibition DX9 (English) =LWB=
(Comic Castle Final) [Nipopo Crisis, OVACAS (Genka Ichien, Hirokawa Kouichirou) Patsukin Dynamite HEAVEN (Bakusou Kyoudai Lets & Go!!)
[Hirokawa Kouichirou] Deep Trip | 銷魂之旅 [Chinese]
COMIC Penguinclub Sanzokuban 2002-10
(C70) [Knockout, Nikomark (Various)] Chougokubuto | Super Gokubuto (Various)
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME)
(C74) [Hirokaworld (Hirokawa)] Akiratama (Lucky☆Star)
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 (Various)
(C61) [OVACAS (Hirokawa Kouichirou)] S.F.3.D (Various)
Otonano Omochiya Vol. 15
Men's Dolphin 1999-11-01 Vol.03
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus)
[Hirokawa Tomo] Puripanyu Z
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 3 Kan [English]
(COMIC1☆2) [OVACAS (Hirokawa Kouichirou)] Kurobeta (Minami-ke)
Otonano Omochiya 12 Futaba no Ohanashi Matome 12
Otonano Omochiya 17
(Tougetsu-sai) [OVACAS (Hirokawa Kouichirou)] IYASI-K (Pani Poni)
(C66) [INFINITY-FORCE (Mercy Rabbit)] VS∞ VURSUS INFINITY (Capcom vs. SNK)
Otonano Omochiya 12 Futaba no Ohanashi Matome 2
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni Dash!)
[Dangan Densetsu (Hirokawa Tomo)] Fairy Shape (Final Fantasy VIII)
(C66) [Shuudan Bouryoku (Various)] File/12 Record of Aldelayd - EXHIBITION DX4
(Puniket 9) [Hirokaworld (Hirokawa)] Nyaa Hon
[Hirokawa Kouichirou] PET LIFE
(C76) [OVACAS (Hirokawa Kouichirou)] Asamade Training (Issho ni Training)
Haru Matsuri Chichi Matsuri 2010
[Hirokawa Tomo] Cherry Concerto
(C57) [OVACAS (Hirokawa Kouichirou)] Doremix Deluxe (Ojamajo Doremi)
Otonano Omochiya Vol.13
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star) [English] [desudesu]
(C65) [INFINITY-FORCE (Various)] BL Are Go!! (Machine Robo Rescue)
(SC19) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Rotation (Gundam SEED)
(CR36) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Iron Maiden (Genshiken, Kujibiki Unbalance)
[Hirokaworld (Hirokawa)] petta
(C51) [Hiasobi Club (Fumizuki Kou)] NO BRAND LONELY WINTER
(C81) [Manchin Sakura (COSiNE ,Erect Sawaru and more) Chun-li san to COSiNE ni Shuu Shuunen Kinen Hon (Street Fighter)
[Hirokawa Kouichirou] A to Z
(C79) [OVACAS (Hirokawa Kouichirou)] Tenshi(Bitch) ni Love Song o! (Panty & Stocking with Garterbelt)
Kono subarashī Amahito-chan no demisōsu!
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)
(SC23) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Precure Machine (Futari wa Precure)
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus) [English] [shakuganexa]
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni)
COMIC Penguinclub Sanzokuban 2003-11
[Otonano Omochiya (Hirokawa,Yukito)] Otonano Omochiya Vol.13 [Chinese]
(C75) [Ovacas (Hirokawa Kouichirou)] Ovacas Style 2008 (Kannagi, Queen's Blade, Strike Witches)
[Otonano Omochiya (Hirokawa,Yukito)] Otonano Omochiya Vol.13 [English][ChoriScans]
COMIC Penguin Club Sanzokuban 2001-06
[Yumeizukosya, OVACAS (Hirokawa Kouichirou)] Ebisu Taisen (Sakura Taisen)
(C71) [OVACAS (Hirokawa Kouichirou)] BITCH STYLE (WITCHBLADE) [English] [desudesu]
[Anthology] Love Chara Taizen No. 6
(Suika Musume 3) [Ovacas (Hirokawa Kouichirou)] Asama de Training (Issho ni Training)
[Hirokaworld (Hirokawa)] Neko Ebon Plus
(C74) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] S.M.S Niyoukoso! (Macross Frontier)
(Puniket 9) [Marchen Box (Various)] Two Toned Romps (Pretty Cure)
(COMIC1) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] Itazura Drill (Tengen Toppa Gurren Lagann)
KupaaBon 3
(C64) [Infinity-Force (Mercy Rabbit, Rokujou Mugi, Buruma Hogero, Hirokawa Kouichirou, Yamashita Woory)] MRR A GO!! (Machine Robo Rescue)
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!) [English] [biribiri]
[Amatoro Bow] Hanarete Ite mo Hito ni Fureru Otoko
[Hirokawa Tomo] Fresh Meat! [Chinese]
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 12 Futaba no Ohanashi Matome 2 [English] [Digital] [Ongoing]
(C65) [Infinity-Force (Various)] BL Are Go!! (Machine Robo Rescue)
(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel)
Pachie-bon
(Puniket 6) [OVACAS (Hirokawa Kouichirou)] AxA (Ojamajo Doremi)
COMIC Penguinclub Sanzokuban 2003-12
COMIC Penguin Club Sanzokuban 2000-09
(ABC 5) [OVACAS (Hirokawa Kouichirou)] Iro Iro Gal and Dou (Various)
Otonano Omochiya Vol. 1-14
(C73) [OVACAS (Hirokawa Kouichirou)] Banchou Densetsu (Minami-ke)
[Otonano Omochiya (Hirokawa)] Otonano Omochiya Vol. 15 [English]
[Otonano Omochiya (Hirokawa)] Otonano Omochiya Vol. 16 [Chinese]
(C82) [OVACAS (Hirokawa Kouichirou)] Osaki mo Mae mo Marii-san. (Joshiraku)
COMIC Penguinclub Sanzokuban 2003-01
(C77) [OVACAS (Hirokawa Kouichirou)] Love Style (Love Plus)
(C78) [Shuudan Bouryoku (Various)] Hooliganism 17 Record of ALDELAYD Act.12 Exhibition DX9
[Anthology] Dennou Butou Musume Vol 5
(C99) [Otonano Omochiya (Hirokawa)] Otonano Omochiya 17 [Chinese]
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-hajimeru (My-HiME) [English] [SaHa]
(Mimiket 3) [OVACAS (Hirokawa Kouichirou)] Zoids Tanekentai Born Free (ZOIDS)
Otonano Omochiya Vol. 13
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME) [English] [SaHa]
(C64) [KNOCKOUT (Various)] Oshiri de Kyu! 8 (Various)
COMIC Penguin Club Sanzokuban 2001-08 [Incomplete]
Takamori Aiko hamedori manga
(CR27) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH (Various)
After School XX Time
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!)
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time (K-ON!)
(C64) [Abellcain (Fujimaru Arikui)] Lucky Come Come (Kujibiki Unbalance)
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 3 Kan
(C69) [KNOCKOUT (Various)] Oshiri de Kyu! 9 (Various)
(C66) [INFINITY-FORCE (Various)] VS∞ VURSUS INFINITY (Capcom vs. SNK)
(SC23) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Precure Machine (Pretty Cure)
[OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia Kaiteiban (Manabi Straight!)
(CR35) [Abellcain (Fujimaru Arikui)] KALEIDOSCOPE (Kaleidostar)
(CSP4) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri (School Rumble, Mai-HiME)