2009 - 4 tracks

Don't Say "Lazy" - Toyosaki Aki, Hikasa Youko, Satou Satomi, Kotobuki Minako

2009 - 6 tracks

K-ON! Character Image Song Series Vol.1 - Hirasawa Yui - Toyosaki Aki

2009 - 8 tracks

Fluffy Time (Fuwa Fuwa Time; ふわふわ時間) - Toyosaki Aki, Hikasa Youko, Satou Satomi, Kotobuki Minako