(C65) [INFINITY-FORCE (Various)] BL Are Go!! (Machine Robo Rescue)
(C82) [OVACAS (Hirokawa Kouichirou)] Osaki mo Mae mo Marii-san. (Joshiraku)
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
(C81) [OVACAS (Hirokawa Kouichirou)] SUITE&BITCH (Suite Precure)
[Hirokawa Tomo] Puripanyu Z
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!) [English] [biribiri]
[Anthology] Love Chara Taizen No. 7 (Various)
[Anthology] Aokan Special
[Hirokawa Kouichirou] Deep Trip | 銷魂之旅 [Chinese]
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni Dash!)
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time | After School XX Time (K-ON!) [English] [Darknight]
Kono subarashī Amahito-chan no demisōsu!
Tenshi ni Love Song o!
(C79) [OVACAS (Hirokawa Kouichirou)] Tenshi(Bitch) ni Love Song o! (Panty & Stocking with Garterbelt)
(CR36) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Iron Maiden (Genshiken, Kujibiki Unbalance)
KupaaBon 3
[Amatoro Bow] Hanarete Ite mo Hito ni Fureru Otoko
[Hirokawa Kouichirou] Deep Trip
Otonano Omochiya Vol. 15
(Puniket 19) [Hirokaworld (Hirokawa)] Shiikibi (Various)
Capricon I - Director's Cut
(SC23) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Precure Machine (Futari wa Precure)
(SC16) [Ovacas (Hirokawa Kouichirou)] Nichiyou Asa no 8-ji 30-bu (Ojamajo Doremi)
(Puniket 21) [Hirokaworld (Hirokawa)] Kojikabon Plus (Kodomo no Jikan)
(Comic Castle Final) [Nipopo Crisis, OVACAS (Genka Ichien, Hirokawa Kouichirou) Patsukin Dynamite HEAVEN (Bakusou Kyoudai Lets & Go!!)
(Puniket 11) [Hirokaworld (Hirokawa)] Pachie-bon (3-nen B-gumi Kinpachi Sensei Densetsu no Kyoudan ni tate!)
Otonano Omochiya Vol. 13
(C65) [Infinity-Force (Various)] BL Are Go!! (Machine Robo Rescue)
Otonano Omochiya 12 Futaba no Ohanashi Matome 2
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 3 Kan
[Otonano Omochiya (Hirokawa)] Otonano Omochiya Vol. 16 [Chinese]
(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel)
[Amadeus No Isan] Rapid Game {To Heart 2}
Otonano Omochiya Vol. 14
(COMIC1☆2) [OVACAS (Hirokawa Kouichirou)] Kurobeta (Minami-ke)
Men's Dolphin 1999-11-01 Vol.03
Otonano Omochiya 6 Kan
[Anthology] Dennou Butou Musume Vol 5
(C74) [Hirokaworld (Hirokawa)] Akiratama (Lucky☆Star)
(C54) [OVACAS (Various)] Capricon 1 Director's Cut (Various)
Hungar x Hungar One Pause (Hunter x Hunter One Piece)
(C83) [OVACAS (Hirokawa Kouichirou)] Buratei Heart. (Joshiraku)
(C61) [Dangan Densetsu (Hirokawa Tomo)] Kirakira no Haru (AIR, Kanon)
(SC27) [Hirokaworld (Hirokawa)] 15/21 (3-nen B-gumi Kinpachi Sensei Densetsu no Kyoudan ni tate!)
(C71) [OVACAS (Hirokawa Kouichirou)] BITCH STYLE (WITCHBLADE)
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 12 Futaba no Ohanashi Matome 2 [English] [Digital] [Ongoing]
(C56) [OVACAS (Various)] Dore Mix (Ojamajo Doremi)
COMIC Penguin Club Sanzokuban 2001-08 [Incomplete]
(CR27) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH (Various)
(C60) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 3 (Various)
(C90) [Hooliganism (Murasaki Syu, Hirokawa Kouichirou)] Kono Subarashii Demi-chan no Demi Sauce! (Demi-chan wa Kataritai, Kono Subarashii Sekai ni Syukufuku o!)
Otonano Omochiya Vol.6 - Ch.4
(C64) [KNOCKOUT (Various)] Oshiri de Kyu! 8 (Various)
[Otonano Omochiya (Hirokawa,Yukito)] Otonano Omochiya Vol.13 [Chinese]
(Comic Castle 2005) [Abellcain (Fujimaru Arikui)] EUREKA FIGHT (Eureka seveN)
(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME)
(Puniket 9) [Hirokaworld (Hirokawa)] Nyaa Hon
(C66) [Shuudan Bouryoku (Various)] File/12 Record of Aldelayd - EXHIBITION DX4
COMIC Penguin Club Sanzokuban 2000-09