(C77) [Kozouya (Eiki Eiki, Zaou Taishi)] Kozouya Dokuhon MIX 2009 (Various)
(C72) [Kozouya (Eiki Eiki, Zaou Taishi)] Kozouya Dokuhon MIX (Various)
[Zaougumi (Zaou Taishi)] Sekai wa Kimi de Dekiteiru | 세계는 너로 되어있어 (Anpanman) [Korean]
[TAISHI ZAOU] Dead or Alive (Death Note)
[Kozouya] Kokka Renkinjutsushi no Tebiki (Fullmetal Alchemist)
[Kozouya (Eiki Eiki + Zaou Taishi)] HaruNatsuAkiFuyu [Tonigobe]
[Eiki Eiki + Zaou Taishi] Haru Natsu Aki Fuyu (Spring Summer Fall Winter) [Lililicious]
Electric Hands (Zaou Taishi) English
Brothers Battle (Zaou Taishi) English
If Looks Could Kill (Zaou Taishi) English
[Bliss]Aruji_no_Oose_no_Mama_ni_YAOI Oneshot
[Kozouya] Zaougumi Kodomokeibitai [Code Geass]