(C73) [OVACAS (Hirokawa Kouichirou)] Banchou Densetsu (Minami-ke)
[OVACAS] After School XX Time (K-ON!) [ENG]
(C76) [OVACAS] Boukakou ×× Time (K-ON!)
[Ovacas] Asama de Training (Issho ni Training)
(C73) [OVACAS (Hirokawa Kouichirou)] Banchou Densetsu (Minami-ke) [Chinese]
(C77) [OVACAS (Hirokawa Kouichirou)] Love Style (Love Plus)
(C76) [OVACAS] Asamade Training (Issho ni Training)
(Comic Market Special 5 in Mito) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010
(C73) [OVACAS (Hirokawa Kouichirou)] Banchou Densetsu (Minami-ke) [Chinese]
(C69) [OVACAS (Hirokawa Kouichirou)] MAI-CCHING (My-HiME) [French]
(C67) [OVACAS (Hirokawa Kouichirou)] HIME-hajimeru [French]
(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel)
(CT20) [OVACAS (Hirokawa Kouichirou)] Bouhatei no Onna. (Joshiraku)
[Yumeizukosya, OVACAS (Hirokawa Kouichirou)] Ebisu Taisen (Sakura Taisen)
(C84) [OVACAS (Hirokawa Kouichirou)] Kedamono-tachi no YAMATO. (Space Battleship Yamato 2199)