K-ON! Character Image Song Series Vol. 7: Nodoka Manabe is the seventh volume of the first season's "Character Image Song Series", featuring Nodoka Manabe. The album contains the songs Coolly Hotty Tension Hi!! and Prologue, as well as their respective instrumental versions. The songs are sung by Nodoka's voice actress Chika Fujitō. The album was released on 21 October 2009 alongside Ui Hirasawa's version.