Watch (C71) [OVACAS (Hirokawa Kouichirou)] BITCH STYLE (WITCHBLADE) (C71) [OVACAS (広川浩一郎)] BITCH STYLE (ウィッチブレイド)

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

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

(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus)

(C78) [OVACAS (Hirokawa Kouichirou)] Love Style Plus (Love Plus) [English] [shakuganexa]

(C77) [OVACAS (Hirokawa Kouichirou)] Love Style (Love Plus)

(C71) [OVACAS (Hirokawa Kouichirou)] BITCH STYLE (WITCHBLADE) [English] [desudesu]

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

(C81) [OVACAS (Hirokawa Kouichirou)] SUITE&BITCH (Suite Precure)

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

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