(C67) [OVACAS (Hirokawa Kouichirou)] HIME-Hajime (My-HiME) (C67) [OVACAS (広川浩一郎)] HiME-始 (舞-HiME)

(C76) [OVACAS (Hirokawa Kouichirou)] Asamade Training (Issho ni Training)

(C76) [OVACAS (Hirokawa Kouichirou)] Houkago XX Time | After School XX Time (K-ON!) [English] [Darknight]

(Puniket 6) [OVACAS (Hirokawa Kouichirou)] AxA (Ojamajo Doremi)

(C62) [OVACAS (Hirokawa Kouichirou)] OVACAS SKETCH 4 Sokuon (Azumanga-Daioh)

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

(C61) [OVACAS (Hirokawa Kouichirou)] S.F.3.D (Various)

(C74) [OVACAS, Abellcain (Hirokawa Kouichirou, Fujimaru Arikui)] S.M.S Niyoukoso! (Macross Frontier)

(COMIC1☆2) [OVACAS (Hirokawa Kouichirou)] Kurobeta (Minami-ke)

(C79) [OVACAS (Hirokawa Kouichirou)] Tenshi(Bitch) ni Love Song o! (Panty & Stocking with Garterbelt)

(C75) [Ovacas (Hirokawa Kouichirou)] Ovacas Style 2008 (Kannagi, Queen's Blade, Strike Witches)