He has collaborated with Rie Kugimiya in some anime as protagonists and antagonists, notably in Shakugan no Shana, Zero no Tsukaima, Gintama, and Nabari no Ou.
Ia telah berkolaborasi dengan Rie Kugimiya di beberapa anime sebagai protagonis dan antagonis, terutama di Shakugan no Shana, Zero no Tsukaima, Gintama, dan Nabari no Ou.