(C75) [Ovacas (Hirokawa Kouichirou)] Ovacas Style 2008 (Kannagi, Queen's Blade, Strike Witches)
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus)
(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus) [English] [shakuganexa]
(C71) [OVACAS (Hirokawa Kouichirou)] BITCH STYLE (WITCHBLADE)
(C80) [OVACAS (Hirokawa Kouichirou)] A STYLE. (A Channel)
(C77) [OVACAS (Hirokawa Kouichirou)] Love Style (Love Plus)
(C79) [OVACAS (Hirokawa Kouichirou)] Tenshi(Bitch) ni Love Song o! (Panty & Stocking with Garterbelt)
(C72) [Ovacas (Hirokawa Kouichirou)] Lucky Punch (Lucky Star) [English] [desudesu]
(C81) [OVACAS (Hirokawa Kouichirou)] SUITE&BITCH (Suite Precure)