Oba Ano Omamori
Obaachan Moshikashite
Obaachan no Takaramono
Obake de Ii kara Hayaku Kite
Obenkyou Shitoite yo
Obentou Bako no Uta: Anata e no Otegami
Odo
Odoru Pompokolin
Off Stage
Ofuro no Kazoe Uta
Ofuro no Uta
Ofuroya-san e Tsuretette
Oh Baby Plus
Ohayou no Uta
Ohedo Julia-Night
Ohirune no Yurikago
Ojii-chan Chi e Ikou
Ojiichan no Komoriuta
Ojiisan no Densha
Ok? Alright!
Oka Shika Chika Ika Saka
Okaasan no Kao
Oki ni Mesu mama
Okome Kakurenbo
