Love Style
Otonano Omochiya Vol. 1-14
[OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] Deep impact (Cosmic Baton Girl Comet-san)
Otonano Omochiya Vol. 16
[Otonano Omochiya (Hirokawa,Yukito)] Otonano Omochiya Vol.13 [Chinese]
COMIC Penguin Club Sanzokuban 2001-06
Otonano Omochiya Vol. 14
COMIC Penguin Club Sanzokuban 2001-08 [Incomplete]
COMIC Penguinclub Sanzokuban 2002-12
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 EVENT EDITION (Various)
Capricon I - Director's Cut
(C79) [OVACAS (Hirokawa Kouichirou)] Tenshi(Bitch) ni Love Song o! (Panty & Stocking with Garterbelt)
(C90) [Hooliganism (Murasaki Syu, Hirokawa Kouichirou)] Kono Subarashii Demi-chan no Demi Sauce! (Demi-chan wa Kataritai, Kono Subarashii Sekai ni Syukufuku o!)
(C83) [OVACAS (Hirokawa Kouichirou)] Buratei Heart. (Joshiraku)
(C57) [OVACAS (Hirokawa Kouichirou)] Doremix Deluxe (Ojamajo Doremi)
Otonano Omochiya Vol. 13
[COMIC] Penguinclub Sanzokuban 2003-02
(Comic Castle 2005) [Abellcain (Fujimaru Arikui)] EUREKA FIGHT (Eureka seveN)
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 3 Kan [English]
(C74) [Hirokaworld (Hirokawa)] Akiratama (Lucky☆Star)
KupaaBon 3
COMIC Penguinclub Sanzokuban 2003-01
[Anthology] Dennou Butou Musume Vol 5
Otonano Omochiya 12 Futaba no Ohanashi Matome 2
Men's Dolphin 1999-11-01 Vol.03
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
(C71) [OVACAS (Hirokawa Kouichirou)] BITCH STYLE (WITCHBLADE)
(C54) [OVACAS (Various)] Capricon 1 Director's Cut (Various)
(CR27) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH (Various)
[ANTHOLOGY] Meganekko Deluxe
[Hirokawa Tomo] Fresh Meat! [Chinese]
Otonano Omochiya 6 Kan
(Mimiket 3) [OVACAS (Hirokawa Kouichirou)] Zoids Tanekentai Born Free (ZOIDS)
(C54) [OVACAS (Various)] Capricon 1 Director's Cut (Various)
[OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia Kaiteiban (Manabi Straight!)
[Hirokawa Kouichirou] Deep Trip | 銷魂之旅 [Chinese]
COMIC Penguinclub Sanzokuban 2003-12
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star) [English] [desudesu]
(ABC 5) [OVACAS (Hirokawa Kouichirou)] Iro Iro Gal and Dou (Various)
(C77) [OVACAS (Hirokawa Kouichirou)] Love Style (Love Plus)
[Anthology] Aokan Special
Otonano Omochiya 12 Futaba no Ohanashi Matome 12
(C65) [Infinity-Force (Various)] BL Are Go!! (Machine Robo Rescue)
[Amadeus No Isan] Rapid Game {To Heart 2}
Otonano Omochiya Vol. 15
(C56) [OVACAS (Various)] Dore Mix (Ojamajo Doremi)
Otonano Omochiya 6 Kan
Otonano Omochiya 12 Futaba no Ohanashi Matome 2
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
Otonano Omochiya Vol. 16
(C66) [INFINITY-FORCE (Mercy Rabbit)] VS∞ VURSUS INFINITY (Capcom vs. SNK)
(C81) [OVACAS (Hirokawa Kouichirou)] SUITE&BITCH (Suite Precure)
(C70) [Knockout, Nikomark (Various)] Chougokubuto | Super Gokubuto (Various)
(C64) [Abellcain (Fujimaru Arikui)] Lucky Come Come (Kujibiki Unbalance)
Tenshi ni Love Song o!
(C84) [OVACAS (Hirokawa Kouichirou)] Kedamono-tachi no YAMATO. (Space Battleship Yamato 2199)
[Anthology] Love Chara Taizen No. 7 (Various)
Takamori Aiko hamedori manga
(C66) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 5 (Pretty Cure)
Otonano Omochiya Vol. 16
(C51) [Hiasobi Club (Fumizuki Kou)] NO BRAND LONELY WINTER
(C66) [Shuudan Bouryoku (Various)] File/12 Record of Aldelayd - EXHIBITION DX4
Otonano Omochiya Vol. 14