(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus)
Tenshi ni Love Song o!
Otonano Omochiya Vol. 16
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni)
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
(CT20) [OVACAS (Hirokawa Kouichirou)] Bouhatei no Onna. (Joshiraku)
(C65) [Infinity-Force (Various)] BL Are Go!! (Machine Robo Rescue)
[Otonano Omochiya (Hirokawa)] Otonano Omochiya 3 Kan
Otonano Omochiya Vol. 15
(ABC 5) [OVACAS (Hirokawa Kouichirou)] Iro Iro Gal and Dou (Various)
(CR36) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Iron Maiden (Genshiken, Kujibiki Unbalance)
(C62) [KNOCKOUT (Various)] Oshiri de Kyu! 7 (Various)
(C63) [OVACAS (Hirokawa Kouichirou)] Shirobom (Bomberman Jetters)
[Hirokawa Tomo] Fresh Meat! [Chinese]
Pachie-bon
[Hirokawa Kouichirou] Deep Trip
(Puniket 21) [Hirokaworld (Hirokawa)] Kojikabon Plus (Kodomo no Jikan)
[Otonano Omochiya (Hirokawa,Yukito)] Otonano Omochiya Vol.13 [English][ChoriScans]
[Otonano Omochiya (Hirokawa,Yukito)] Otonano Omochiya Vol.13 [Chinese]
(C62) [Knockout (Various)] Oshiri de Kyu! 7 (Various)
(C83) [OVACAS (Hirokawa Kouichirou)] Buratei Heart. (Joshiraku)
Otonano Omochiya Vol. 13
[Hirokaworld (Hirokawa)] petta
Otonano Omochiya Vol.6 - Ch.4
[Hirokaworld (Hirokawa)] Shiikibi (Various) [Digital]
[Kantou Usagi Gumi] Pink Kami Keikaku (Various)
(C64) [Abellcain (Fujimaru Arikui)] Lucky Come Come (Kujibiki Unbalance)
(C78) [Shuudan Bouryoku (Various)] Hooliganism 17 Record of ALDELAYD Act.12 Exhibition DX9
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)
[Hirokawa Kouichirou] PET LIFE
[OVACAS (Hirokawa Kouichirou)] Kashi 1114 (Ojamajo Doremi)
Ovacas Style 2008
(C77) [OVACAS (Hirokawa Kouichirou)] Love Style (Love Plus)
[Dangan Densetsu (Hirokawa Tomo)] Fairy Shape (Final Fantasy VIII)
(C66) [Shuudan Bouryoku (Various)] File/12 Record of Aldelayd - EXHIBITION DX4
(COMIC1) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] Itazura Drill (Tengen Toppa Gurren Lagann)
(C55) [OVACAS (Various)] Heppoko Anime Chinpure Koupure (Various)
[Hirokawa Kouichirou] A to Z
Otonano Omochiya 6 Kan Ch. 1
(SC23) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Precure Machine (Futari wa Precure)
(C76) [OVACAS (Hirokawa Kouichirou)] Asamade Training (Issho ni Training)
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni Dash!)
COMIC Penguinclub Sanzokuban 2003-01
(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel)
(Puniket 19) [Hirokaworld (Hirokawa)] Shiikibi (Various)
Otonano Omochiya 12 Futaba no Ohanashi Matome 2
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time (K-ON!)
[Anthology] Love Chara Taizen No. 6
[Shuudan Bouryoku (集団暴力)] HOOLIGANISM File/10 RECORD OF ALDELAYD ExhibitionDX2
Magical? Banana