(Puniket 6) [OVACAS (Hirokawa Kouichirou)] AxA (Ojamajo Doremi)
(C88) [Nipopo Crisis, OVACAS, Abel Cain (Kakusho Ichien, Hirokawa Koichiro, Fujimaru Arikui)] Mokei Jouhou (Gundam Build Fighters Try)
[OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] Deep impact (Cosmic Baton Girl Comet-san)
(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time | After School XX Time (K-ON!) [Spanish] [Lazy-Yui]
(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel) [English] [animefan71109]
(CSP5) [OVACAS (Hirokawa Kouichirou)] Haru Matsuri Chichi Matsuri 2010 (Various) [English] [animefan71109]
(C77) [OVACAS (Hirokawa Kouichirou)] Love Style (Love Plus) [English] [animefan71109]
(C56) [OVACAS (Various)] Dore Mix (Ojamajo Doremi)
(SC23) [Abellcain, OVACAS (Fujimaru Arikui, Hirokawa Kouichirou)] Precure Machine (Futari wa Precure)
[OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia Kaiteiban (Manabi Straight!)
(Puniket 12) [OVACAS (Hirokawa Kouichirou)] Sensei dazo! (Pani Poni Dash!)
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus) [English] [shakuganexa]
(C75) [Ovacas (Hirokawa Kouichirou)] Ovacas Style 2008 (Kannagi, Queen's Blade, Strike Witches)
(C70) [OVACAS (Hirokawa Kouichirou)] Magical? Banana (Renkin 3-kyuu Magical? Pokaan)
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star)
(C57) [OVACAS (Hirokawa Kouichirou)] Doremix Deluxe (Ojamajo Doremi)
(C54) [OVACAS (Various)] Capricon 1 Director's Cut (Various)
(Futaket vs. ABC ~Hentaisai~) [OVACAS (Hirokawa Kouichirou)] Gakuen Erotopia (Manabi Straight!) [Russian] [Witcher000]
(C76) [OVACAS (Hirokawa Kouichirou)] Asamade Training (Issho ni Training) [Korean] {LIMITE}
(C73) [OVACAS (Hirokawa Kouichirou)] Banchou Densetsu (Minami-ke) [Korean] [LIMITE]
(COMIC1☆2) [OVACAS (Hirokawa Kouichirou)] Kurobeta (Minami-ke) [Korean] [LIMITE]
(C84) [OVACAS (Hirokawa Kouichirou)] Kedamono-tachi no YAMATO. (Space Battleship Yamato 2199)
(COMIC1☆2) [OVACAS (Hirokawa Kouichirou)] Kurobeta (Minami-ke)
[OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] Deep impact (Cosmic Baton Girl Comet-san)
[Yumeizukosya, OVACAS (Hirokawa Kouichirou)] Ebisu Taisen (Sakura Taisen)
(C83) [OVACAS (Hirokawa Kouichirou)] Buratei Heart. (Joshiraku)