(C58) [Keiji in Cage (Azamino Keiji)] Yasoukyoku (Chrono Cross)
(C63) [PISCES & Keiji in Cage (Azamino Keiji, Hidaka Ryou)] Melody (Full Moon o Sagashite)
(CR31) [Keiji in Cage (Azamino Keiji)] Lovely Mix (Full Moon wo Sagashite)
(C62) [Keiji in Cage (Azamino Keiji, Hinase Kazusa, Kageno Illyss)] Around The Secret
(C64) [Keiji in Cage (Honda Aru, Azamino Keiji)] Tote Tote ++ (Final Fantasy XI)
(C92) [STUDIO TRIUMPH (Mutou Keiji)] SPIRAL ZONE (Highschool DxD) [English] [Fu-reiji]
(C92) [STUDIO TRIUMPH (Mutou Keiji)] SPIRAL ZONE (Highschool DxD) [Chinese] [ty个人汉化]
(C94) [STUDIO TRIUMPH (Mutou Keiji)] SPIRAL ZONE DxD II (Highschool DxD) [Chinese] [ty与朋友托人汉化]
(C94) [STUDIO TRIUMPH (Mutou Keiji)] Astral Bout Ver. 38 (Yuragisou no Yuuna-san)
