(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time | After School XX Time (K-ON!) [English] [Darknight]
(Mimiket 3) [OVACAS (Hirokawa Kouichirou)] Zoids Tanekentai Born Free (ZOIDS)
(C78) [Shuudan Bouryoku (Various)] Hooliganism 17 Record of ALDELAYD Act.12 Exhibition DX9
(Puniket 9) [Hirokaworld (Hirokawa)] Nyaa Hon
COMIC Penguin Club Sanzokuban 2001-06
(C64) [Abellcain (Fujimaru Arikui)] Lucky Come Come (Kujibiki Unbalance)
[OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] Deep impact (Cosmic Baton Girl Comet-san)
Capricon I - Director's Cut
[Otonano Omochiya (Hirokawa)] Otonano Omochiya Vol. 15 [English]
(Comic Castle Final) [Nipopo Crisis, OVACAS (Genka Ichien, Hirokawa Kouichirou) Patsukin Dynamite HEAVEN (Bakusou Kyoudai Lets & Go!!)
Otonano Omochiya 12 Futaba no Ohanashi Matome 2
(SC32) [OVACAS (Hirokawa Kouichirou)] another day (Ojamajo Doremi)
Otonano Omochiya 6 Kan
(Puniket 21) [Hirokaworld (Hirokawa)] Kojikabon Plus (Kodomo no Jikan)
Pachie-bon
(C81) [Manchin Sakura (COSiNE ,Erect Sawaru and more) Chun-li san to COSiNE ni Shuu Shuunen Kinen Hon (Street Fighter)
(C82) [OVACAS (Hirokawa Kouichirou)] Osaki mo Mae mo Marii-san. (Joshiraku)
(COMIC1☆2) [OVACAS (Hirokawa Kouichirou)] Kurobeta (Minami-ke)
(C78) [Shuudan Bouryoku (Murasaki Syu)] Hooliganism 17 Record of ALDELAYD Act.12 Exhibition DX9 (English) =LWB=
(C81) [OVACAS (Hirokawa Kouichirou)] SUITE&BITCH (Suite Precure)
(C70) [Knockout, Nikomark (Various)] Chougokubuto | Super Gokubuto (Various)
(C65) [Infinity-Force (Various)] BL Are Go!! (Machine Robo Rescue)
(C71) [OVACAS (Hirokawa Kouichirou)] BITCH STYLE (WITCHBLADE) [English] [desudesu]
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus) [English] [shakuganexa]
(C64) [Infinity-Force (Mercy Rabbit, Rokujou Mugi, Buruma Hogero, Hirokawa Kouichirou, Yamashita Woory)] MRR A GO!! (Machine Robo Rescue)
Otonano Omochiya Vol.6 - Ch.4-5
[Hirokawa Tomo] Fresh Meat! [Chinese]
(C62) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 4 Sokuon (Azumanga-Daioh)
(C62) [KNOCKOUT (Various)] Oshiri de Kyu! 7 (Various)
(Comic Castle 2005) [Abellcain (Fujimaru Arikui)] EUREKA FIGHT (Eureka seveN)
(C65) [INFINITY-FORCE (Various)] BL Are Go!! (Machine Robo Rescue)
(C57) [OVACAS (Hirokawa Kouichirou)] Doremix Deluxe (Ojamajo Doremi)
(C66) [Shuudan Bouryoku (Various)] File/12 Record of Aldelayd - EXHIBITION DX4
(Tougetsu-sai) [OVACAS (Hirokawa Kouichirou)] IYASI-K (Pani Poni)
[Hirokawa Kouichirou] PET LIFE
Magical? Banana
Otonano Omochiya 17
(C76) [OVACAS (Hirokawa Kouichirou)] Asamade Training (Issho ni Training)
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-Hajime (My-HiME)
Otonano Omochiya Vol.6 - Ch.4
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!) [English] [biribiri]
[Anthology] Dennou Butou Musume Vol 5
(CR35) [Abellcain (Fujimaru Arikui)] KALEIDOSCOPE (Kaleidostar)
(C83) [OVACAS (Hirokawa Kouichirou)] Buratei Heart. (Joshiraku)
Otonano Omochiya Vol. 14
(Puniket 19) [Hirokaworld (Hirokawa)] Shiikibi (Various)
(COMIC1) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] Itazura Drill (Tengen Toppa Gurren Lagann)
Love Style
(C66) [INFINITY-FORCE (Various)] VS∞ VURSUS INFINITY (Capcom vs. SNK)
COMIC Penguinclub Sanzokuban 2003-12
Haru Matsuri Chichi Matsuri 2010
(Puniket 11) [Hirokaworld (Hirokawa)] Pachie-bon (3-nen B-gumi Kinpachi Sensei Densetsu no Kyoudan ni tate!)
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)
After School XX Time
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME)
(C66) [INFINITY-FORCE (Mercy Rabbit)] VS∞ VURSUS INFINITY (Capcom vs. SNK)
Otonano Omochiya Vol. 16
Men's Dolphin 1999-11-01 Vol.03
(C64) [KNOCKOUT (Various)] Oshiri de Kyu! 8 (Various)
[Hirokawa Tomo] Fresh Meat!
[Hirokawa Kouichirou] Deep Trip | 銷魂之旅 [Chinese]
[Hirokawa Kouichirou] Deep Trip
(Puniket 6) [OVACAS (Hirokawa Kouichirou)] AxA (Ojamajo Doremi)
[Hirokawa Tomo] Cherry Concerto
(SC16) [Ovacas (Hirokawa Kouichirou)] Nichiyou Asa no 8-ji 30-bu (Ojamajo Doremi)
COMIC Penguinclub Sanzokuban 2002-10
(C61) [Dangan Densetsu (Hirokawa Tomo)] Kirakira no Haru (AIR, Kanon)
[OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia Kaiteiban (Manabi Straight!)
(C84) [OVACAS (Hirokawa Kouichirou)] Kedamono-tachi no YAMATO. (Space Battleship Yamato 2199)
Otonano Omochiya Vol. 15
(SC23) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Precure Machine (Pretty Cure)