2006 - 4 tracks

Yumekui - Ai Otsuka

2006 - 5 tracks

恋愛写真 / Renai Shashin - Ai Otsuka

2006 - 5 tracks

Renai Shashin - Ai Otsuka

2005 - 4 tracks

Planetarium - Ai Otsuka

2005 - 12 tracks

Love Cook - Ai Otsuka

2004 - 3 tracks

Kingyou Hanabi - Ai Otsuka

2004 - 11 tracks

Love Punch - Ai Otsuka

2004 - 11 tracks

Love Jam - Ai Otsuka

2004 - 4 tracks

Happy Days - Ai Otsuka

2003 - 5 tracks

Sakuranbo - Ai Otsuka

2003 - 5 tracks

さくらんぼ (Sakuranbo) - Ai Otsuka