Tenshi ni Love Song o!
Ovacas Style 2008
Men's Dolphin 1999-11-01 Vol.03
(Suika Musume 3) [Ovacas (Hirokawa Kouichirou)] Asama de Training (Issho ni Training)
(COMIC1) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] Itazura Drill (Tengen Toppa Gurren Lagann)
(C69) [KNOCKOUT (Various)] Oshiri de Kyu! 9 (Various)
(Tougetsu-sai) [OVACAS (Hirokawa Kouichirou)] IYASI-K (Pani Poni)
COMIC Penguinclub Sanzokuban 2002-10
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!)
(C54) [OVACAS (Various)] Capricon 1 Director's Cut (Various)
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 3 Kan [English]
(Comic Castle Final) [Nipopo Crisis, OVACAS (Genka Ichien, Hirokawa Kouichirou) Patsukin Dynamite HEAVEN (Bakusou Kyoudai Lets & Go!!)
[Amatoro Bow] Hanarete Ite mo Hito ni Fureru Otoko
[Hirokawa Tomo] Fresh Meat! [Chinese]
Otonano Omochiya Vol.13
[Anthology] Aokan Special
[INFINITY-FORCE (Various)] Digitama 04 FRONTIER (Digimon Tamers, Digimon Frontier)
(Puniket 6) [OVACAS (Hirokawa Kouichirou)] AxA (Ojamajo Doremi)
(C62) [Knockout (Various)] Oshiri de Kyu! 7 (Various)
COMIC Penguinclub Sanzokuban 2003-11
(C64) [Abellcain (Fujimaru Arikui)] Lucky Come Come (Kujibiki Unbalance)
COMIC Penguinclub Sanzokuban 2003-08
[Shuudan Bouryoku (集団暴力)] HOOLIGANISM File/10 RECORD OF ALDELAYD ExhibitionDX2
(C77) [OVACAS (Hirokawa Kouichirou)] Love Style (Love Plus)
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni Dash!)
COMIC Penguinclub Sanzokuban 2003-01
(C82) [OVACAS (Hirokawa Kouichirou)] Osaki mo Mae mo Marii-san. (Joshiraku)
[Hirokawa Kouichirou] PET LIFE
[Hirokaworld (Hirokawa)] Shiikibi (Various) [Digital]
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME) [English] [SaHa]
(C74) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] S.M.S Niyoukoso! (Macross Frontier)
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus)
(C66) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 5 (Pretty Cure)
[Anthology] Love Chara Taizen No. 7 (Various)
[Dangan Densetsu (Hirokawa Tomo)] Fairy Shape (Final Fantasy VIII)
[Hirokaworld (Hirokawa)] petta
Kono subarashī Amahito-chan no demisōsu!
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)
Hungar x Hungar One Pause (Hunter x Hunter One Piece)
(C73) [OVACAS (Hirokawa Kouichirou)] Banchou Densetsu (Minami-ke)
(C75) [Ovacas (Hirokawa Kouichirou)] Ovacas Style 2008 (Kannagi, Queen's Blade, Strike Witches)
Otonano Omochiya 6 Kan Ch. 1
[OVACAS (Hirokawa Kouichirou)] Kashi 1114 (Ojamajo Doremi)
Otonano Omochiya Vol.6 - Ch.4
(Puniket 21) [Hirokaworld (Hirokawa)] Kojikabon Plus (Kodomo no Jikan)
(C52) [Raimusha (Various)] Ebisu Taisen Kanzenban (Sakura Taisen)
(CR35) [Abellcain (Fujimaru Arikui)] KALEIDOSCOPE (Kaleidostar)
(C55) [OVACAS (Various)] Heppoko Anime Chinpure Koupure (Various)
(SC27) [Hirokaworld (Hirokawa)] 15/21 (3-nen B-gumi Kinpachi Sensei Densetsu no Kyoudan ni tate!)
(CR36) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Iron Maiden (Genshiken, Kujibiki Unbalance)
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
Otonano Omochiya Vol. 16
COMIC Penguin Club Sanzokuban 2001-08 [Incomplete]
(C66) [Shuudan Bouryoku (Various)] File/12 Record of Aldelayd - EXHIBITION DX4
[Hirokawa Tomo] Fresh Meat!
(C66) [INFINITY-FORCE (Mercy Rabbit)] VS∞ VURSUS INFINITY (Capcom vs. SNK)
[Hirokawa Kouichirou] Deep Trip
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 (Various)
[ANTHOLOGY] Meganekko Deluxe
(Puniket 19) [Hirokaworld (Hirokawa)] Shiikibi (Various)
Otonano Omochiya 12 Futaba no Ohanashi Matome 2
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star) [English] [desudesu]
[Anthology] Dennou Butou Musume Vol 5
(SC19) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Rotation (Gundam SEED)
[OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] Deep impact (Cosmic Baton Girl Comet-san)
(Puniket 11) [Hirokaworld (Hirokawa)] Pachie-bon (3-nen B-gumi Kinpachi Sensei Densetsu no Kyoudan ni tate!)
(C90) [Hooliganism (Murasaki Syu, Hirokawa Kouichirou)] Kono Subarashii Demi-chan no Demi Sauce! (Demi-chan wa Kataritai, Kono Subarashii Sekai ni Syukufuku o!)
Pachie-bon
(CR27) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH (Various)
[Anthology] Love Chara Taizen No. 6
大人のおもちや3巻
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME)
COMIC Penguin Club Sanzokuban 2001-04
[Amadeus No Isan] Rapid Game {To Heart 2}
(C76) [OVACAS (Hirokawa Kouichirou)] Asamade Training (Issho ni Training)
Otonano Omochiya Vol. 14
(C57) [OVACAS (Hirokawa Kouichirou)] Doremix Deluxe (Ojamajo Doremi)
Otonano Omochiya 17
Takamori Aiko hamedori manga
Otonano Omochiya 12 Futaba no Ohanashi Matome 12
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-Hajime (My-HiME)
Otonano Omochiya 6 Kan
Otonano Omochiya Vol. 1-14
(ABC 5) [OVACAS (Hirokawa Kouichirou)] Iro Iro Gal and Dou (Various)
(C84) [OVACAS (Hirokawa Kouichirou)] Kedamono-tachi no YAMATO. (Space Battleship Yamato 2199)
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time | After School XX Time (K-ON!) [English] [Darknight]
(C66) [INFINITY-FORCE (Various)] VS∞ VURSUS INFINITY (Capcom vs. SNK)
(COMIC1☆2) [OVACAS (Hirokawa Kouichirou)] Kurobeta (Minami-ke)
Otonano Omochiya Vol. 15
(C78) [Shuudan Bouryoku (Various)] Hooliganism 17 Record of ALDELAYD Act.12 Exhibition DX9
[Hirokawa Kouichirou] A to Z
[Otonano Omochiya (Hirokawa,Yukito)] Otonano Omochiya Vol.13 [English][ChoriScans]
KupaaBon 3
[COMIC] Penguinclub Sanzokuban 2003-02
(C69) [OVACAS (Hirokawa Kouichirou)] 1-NEN C-GUMI MAHOGUMI (Pani Poni)
Love Style
[Otonano Omochiya (Hirokawa)] Otonano Omochiya Vol. 15 [English]
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time (K-ON!)
(SC16) [Ovacas (Hirokawa Kouichirou)] Nichiyou Asa no 8-ji 30-bu (Ojamajo Doremi)
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus) [English] [shakuganexa]