Otonano Omochiya Vol. 16
(C75) [Ovacas (Hirokawa Kouichirou)] Ovacas Style 2008 (Kannagi, Queen's Blade, Strike Witches)
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star) [English] [desudesu]
(C64) [KNOCKOUT (Various)] Oshiri de Kyu! 8 (Various)
(Puniket 9) [Hirokaworld (Hirokawa)] Nyaa Hon
大人のおもちや3巻
(C77) [OVACAS (Hirokawa Kouichirou)] Love Style (Love Plus)
[INFINITY-FORCE (Various)] Digitama 04 FRONTIER (Digimon Tamers, Digimon Frontier)
COMIC Penguinclub Sanzokuban 2002-10
(CSP4) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri (School Rumble, Mai-HiME)
(C63) [OVACAS (Hirokawa Kouichirou)] Shirobom (Bomberman Jetters)
Otonano Omochiya Vol. 15
(C71) [OVACAS (Hirokawa Kouichirou)] BITCH STYLE (WITCHBLADE) [English] [desudesu]
(Suika Musume 3) [Ovacas (Hirokawa Kouichirou)] Asama de Training (Issho ni Training)
Otonano Omochiya Vol. 1-14
[Hirokawa Tomo] Cherry Concerto
Otonano Omochiya Vol. 14
(CR36) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Iron Maiden (Genshiken, Kujibiki Unbalance)
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus)
(C51) [Hiasobi Club (Fumizuki Kou)] NO BRAND LONELY WINTER
(C81) [OVACAS (Hirokawa Kouichirou)] SUITE&BITCH (Suite Precure)
[Anthology] Love Chara Taizen No. 7 (Various)
(C90) [Hooliganism (Murasaki Syu, Hirokawa Kouichirou)] Kono Subarashii Demi-chan no Demi Sauce! (Demi-chan wa Kataritai, Kono Subarashii Sekai ni Syukufuku o!)
(CR27) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH (Various)
(C57) [OVACAS (Hirokawa Kouichirou)] Doremix Deluxe (Ojamajo Doremi)
[Hirokawa Tomo] Fresh Meat! [Chinese]
(Puniket 6) [OVACAS (Hirokawa Kouichirou)] AxA (Ojamajo Doremi)
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni Dash!)
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni)
(C56) [Doudan Tsutsuji (Doudantsutsuji, Hirokawa Tomo)] Getten! (Mamotte Shugogetten)
(C66) [INFINITY-FORCE (Mercy Rabbit)] VS∞ VURSUS INFINITY (Capcom vs. SNK)
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!) [English] [biribiri]
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)
COMIC Penguinclub Sanzokuban 2002-12
Otonano Omochiya 12 Futaba no Ohanashi Matome 12
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 3 Kan [English]
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus) [English] [shakuganexa]
[Amadeus No Isan] Rapid Game {To Heart 2}
COMIC Penguinclub Sanzokuban 2003-11
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time | After School XX Time (K-ON!) [English] [Darknight]
[Tamaki Nozomu] Kokuminteki Kanojo Irokawa Mayu no Zenbu
(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel)
(C65) [INFINITY-FORCE (Various)] BL Are Go!! (Machine Robo Rescue)
(C73) [OVACAS (Hirokawa Kouichirou)] Banchou Densetsu (Minami-ke)
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 (Various)
[COMIC] Penguinclub Sanzokuban 2003-02
(SC23) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Precure Machine (Futari wa Precure)
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-Hajime (My-HiME)
COMIC Penguinclub Sanzokuban 2003-01
Otonano Omochiya 12 Futaba no Ohanashi Matome 2
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!)
(CR27) [Dangan Densetsu Laser (Hirokawa Tomo, Nerima Yoshito)] Kairaku Gensoku Hagurumashiki Soutei Souchi (Revolutionary Girl Utena)
Otonano Omochiya 6 Kan
[Shuudan Bouryoku (集団暴力)] HOOLIGANISM File/10 RECORD OF ALDELAYD ExhibitionDX2
(Tougetsu-sai) [OVACAS (Hirokawa Kouichirou)] IYASI-K (Pani Poni)
(C78) [Shuudan Bouryoku (Murasaki Syu)] Hooliganism 17 Record of ALDELAYD Act.12 Exhibition DX9 (English) =LWB=
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 3 Kan
Otonano Omochiya Vol.6 - Ch.4
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time (K-ON!)
Men's Dolphin 1999-11-01 Vol.03
(SC16) [Ovacas (Hirokawa Kouichirou)] Nichiyou Asa no 8-ji 30-bu (Ojamajo Doremi)
(Comic Castle 2005) [Abellcain (Fujimaru Arikui)] EUREKA FIGHT (Eureka seveN)
Otonano Omochiya 17
Haru Matsuri Chichi Matsuri 2010
(C61) [OVACAS (Hirokawa Kouichirou)] S.F.3.D (Various)
(C65) [OVACAS (Hirokawa Kouichirou)] FLOW MY TEARS A SENIOR SAID (Uchuu No Stellvia)
After School XX Time
(Mimiket 3) [OVACAS (Hirokawa Kouichirou)] Zoids Tanekentai Born Free (ZOIDS)
(COMIC1☆2) [OVACAS (Hirokawa Kouichirou)] Kurobeta (Minami-ke)
[Hirokaworld (Hirokawa)] Shiikibi (Various) [Digital]
(C64) [Infinity-Force (Mercy Rabbit, Rokujou Mugi, Buruma Hogero, Hirokawa Kouichirou, Yamashita Woory)] MRR A GO!! (Machine Robo Rescue)
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
[Hirokaworld (Hirokawa)] Neko Ebon Plus
(SC27) [Hirokaworld (Hirokawa)] 15/21 (3-nen B-gumi Kinpachi Sensei Densetsu no Kyoudan ni tate!)
(C69) [KNOCKOUT (Various)] Oshiri de Kyu! 9 (Various)
[Hirokawa Tomo] Fresh Meat!
[Kantou Usagi Gumi] Pink Kami Keikaku (Various)
(C81) [Manchin Sakura (COSiNE ,Erect Sawaru and more) Chun-li san to COSiNE ni Shuu Shuunen Kinen Hon (Street Fighter)
(C71) [OVACAS (Hirokawa Kouichirou)] BITCH STYLE (WITCHBLADE)