(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time | After School XX Time (K-ON!) [English] [Darknight] Pics (C76) [OVACAS (広川浩一郎)] 放課後××タイム (けいおん!) [英訳]

(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 (Various)

(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel)

(C60) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 3 (Various)

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

(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!) [English] [biribiri]

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

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

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

[OVACAS (Hirokawa Kouichirou)] Kashi 1114 (Ojamajo Doremi)

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