Artist: Hirokawa Kouichirou

(C69) [KNOCKOUT (Various)] Oshiri de Kyu! 9 (Various)

(C64) [KNOCKOUT (Various)] Oshiri de Kyu! 8 (Various)

(C62) [KNOCKOUT (Various)] Oshiri de Kyu! 7 (Various)

(COMIC1☆2)[Chokudokan] Kupaa Bon 3

(C70) [Knockout, Nikomark (Various)] Chougokubuto | Super Gokubuto (Various)

(C73) [OVACAS (Hirokawa Kouichirou)] Banchou Densetsu (Minami-ke)

[ANTHOLOGY] Meganekko Deluxe

(C68) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (Mai-HiME)

(C66) [Shuudan Bouryoku (Various)] File/12 Record of Aldelayd - EXHIBITION DX4

[Shuudan Bouryoku (集団暴力)] HOOLIGANISM File/10 RECORD OF ALDELAYD ExhibitionDX2

[Hirokawa Kouichirou] PET LIFE

(CR36) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Iron Maiden (Genshiken, Kujibiki Unbalance)

(SC23) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Precure Machine (Pretty Cure)

(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)

(C67) [OVACAS (Hirokawa Kouichirou)] HIME-Hajime (My-HiME)

(COMIC1) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] Itazura Drill (Tengen Toppa Gurren Lagann)

(CSP4) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri (School Rumble, Mai-HiME)

(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)

(Tougetsu-sai) [OVACAS (Hirokawa Kouichirou)] IYASI-K (Pani Poni)

(ABC 5) [OVACAS (Hirokawa Kouichirou)] Iro Iro Gal and Dou (Various)

(C66) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 5 (Futari wa Precure, Bakuretsu Tenshi)