[OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia Kaiteiban (Manabi Straight!)
[Yumeizukosya, OVACAS (Hirokawa Kouichirou)] Ebisu Taisen (Sakura Taisen)
COMIC Penguinclub Sanzokuban 2003-12
(Puniket 21) [Hirokaworld (Hirokawa)] Kojikabon Plus (Kodomo no Jikan)
[Anthology] Love Chara Taizen No. 6
[OVACAS (Hirokawa Kouichirou)] Kashi 1114 (Ojamajo Doremi)
(C51) [Hiasobi Club (Fumizuki Kou)] NO BRAND LONELY WINTER
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!)
(C74) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] S.M.S Niyoukoso! (Macross Frontier)
[Hirokawa Kouichirou] PET LIFE
[Hirokawa Tomo] Cherry Concerto
[Hirokaworld (Hirokawa)] Neko Ebon Plus
(COMIC1☆2) [OVACAS (Hirokawa Kouichirou)] Kurobeta (Minami-ke)
Haru Matsuri Chichi Matsuri 2010
(C64) [KNOCKOUT (Various)] Oshiri de Kyu! 8 (Various)
(C54) [OVACAS (Various)] Capricon 1 Director's Cut (Various)
(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel)
(C56) [Doudan Tsutsuji (Doudantsutsuji, Hirokawa Tomo)] Getten! (Mamotte Shugogetten)
(SC27) [Hirokaworld (Hirokawa)] 15/21 (3-nen B-gumi Kinpachi Sensei Densetsu no Kyoudan ni tate!)
(C74) [Hirokaworld (Hirokawa)] Akiratama (Lucky☆Star)
(C62) [Knockout (Various)] Oshiri de Kyu! 7 (Various)
(Puniket 6) [OVACAS (Hirokawa Kouichirou)] AxA (Ojamajo Doremi)
Otonano Omochiya 6 Kan Ch. 1
(SC32) [OVACAS (Hirokawa Kouichirou)] another day (Ojamajo Doremi)
[Hirokawa Tomo] Fresh Meat! [Chinese]
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!) [English] [biribiri]
(C55) [OVACAS (Various)] Heppoko Anime Chinpure Koupure (Various)
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus) [English] [shakuganexa]
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus)
Two Toned Romps
(CT20) [OVACAS (Hirokawa Kouichirou)] Bouhatei no Onna. (Joshiraku)
Love Style
[Amadeus No Isan] Rapid Game {To Heart 2}
[Hirokaworld (Hirokawa)] petta
Otonano Omochiya Vol. 16
(C65) [OVACAS (Hirokawa Kouichirou)] FLOW MY TEARS A SENIOR SAID (Uchuu No Stellvia)
Otonano Omochiya 12 Futaba no Ohanashi Matome 2
COMIC Penguinclub Sanzokuban 2003-01
Tenshi ni Love Song o!
[Shuudan Bouryoku (Murasaki Syu)] Takanashi-san-chi no 4 Shimai - 1 (WORKING!!)
[Hirokaworld (Hirokawa)] Shiikibi (Various) [Digital]
Comic Sigma Volume 1
Otonano Omochiya Vol. 1-14
(C79) [OVACAS (Hirokawa Kouichirou)] Tenshi(Bitch) ni Love Song o! (Panty & Stocking with Garterbelt)
(C77) [OVACAS (Hirokawa Kouichirou)] Love Style (Love Plus)
Ovacas Style 2008
(Comic Castle 2005) [Abellcain (Fujimaru Arikui)] EUREKA FIGHT (Eureka seveN)
[Otonano Omochiya (Hirokawa)] Otonano Omochiya Vol. 15 [English]
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 (Various)
(C61) [OVACAS (Hirokawa Kouichirou)] S.F.3.D (Various)
Otonano Omochiya 6 Kan
(C64) [Abellcain (Fujimaru Arikui)] Lucky Come Come (Kujibiki Unbalance)
Magical? Banana
(C71) [OVACAS (Hirokawa Kouichirou)] BITCH STYLE (WITCHBLADE)
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 EVENT EDITION (Various)
[Anthology] Love Chara Taizen No. 7 (Various)
(C63) [OVACAS (Hirokawa Kouichirou)] Shirobom (Bomberman Jetters)
(C64) [Infinity-Force (Mercy Rabbit, Rokujou Mugi, Buruma Hogero, Hirokawa Kouichirou, Yamashita Woory)] MRR A GO!! (Machine Robo Rescue)
(C84) [OVACAS (Hirokawa Kouichirou)] Kedamono-tachi no YAMATO. (Space Battleship Yamato 2199)
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
Otonano Omochiya Vol. 14
[ANTHOLOGY] Meganekko Deluxe
(C61) [Dangan Densetsu (Hirokawa Tomo)] Kirakira no Haru (AIR, Kanon)
大人のおもちや3巻
(C81) [OVACAS (Hirokawa Kouichirou)] SUITE&BITCH (Suite Precure)
[Shuudan Bouryoku (集団暴力)] HOOLIGANISM File/10 RECORD OF ALDELAYD ExhibitionDX2
[Otonano Omochiya (Hirokawa)] Otonano Omochiya Vol. 14 [English] [ChoriScans]
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 3 Kan [English]
(C56) [OVACAS (Various)] Dore Mix (Ojamajo Doremi)
(C62) [KNOCKOUT (Various)] Oshiri de Kyu! 7 (Various)
(CSP4) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri (School Rumble, Mai-HiME)
(C62) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 4 Sokuon (Azumanga-Daioh)
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME) [English] [SaHa]
COMIC Penguinclub Sanzokuban 2003-11
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni Dash!)
After School XX Time
[Amatoro Bow] Hanarete Ite mo Hito ni Fureru Otoko
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME)