[Secret Society M (Kitahara Aki)] ANICE 2 Gekkabijin
(C40) [Secret Society M (Kitahara Aki, Minamino Marin)] Maria (Bikkuriman)
[Secret Society M (Kitahara Aki)] FACE TO FAITH (Giant Robo)
(C43) [Secret Society M (Kitahara Aki)] ANICE (Sonic Soldier Borgman)
(C53) [Secret Society M (Kitahara Aki)] Sentimental Flowers
(C73) [Secret Society M (Kitahara Aki)] Doukoku no Ori (Claymore) [Korean]
(C77) [Secret Society M / Himitsu Kessha M (Kitahara Aki)] Chuuko no Nene san (Love Plus) [korean]
(C73) [Secret Society M (Kitahara Aki)] Doukoku no Ori (CLAYMORE) [English] [Decensored]
(C73) [Secret Society M (Kitahara Aki)] Doukoku no Ori (CLAYMORE)
(C72) [Secret Society M (Kitahara Aki)] Utahime no Shouzou 4 (Dead or Alive)
[Secret Society M (Kitahara Aki)] Utahime no Shouzou (Dead or Alive) [Chinese]
[Secret Society M, Kitahara Aki] Utahime No Shouzou 3 (Dead or Alive) (Eng)