Smile
日期：2012-06-13
퀴즈왕
日期：2012-10-16
On The Spot
oAiii & oAiii
One Sweet Day
ourlingo
OLIVIX
偶像学校
Ordinary Songs
O-Nui
O.T. (Opti-Mystic Trouble)
Olivine Music
Organic Science
Olinaip
offonoff
Our Happiest Times
Osa
OhBliss
