Despite promising to give up rock after getting into an allgirls school for the wealthiest young ladies in Japan, Lilisa Suzunomiya decides to form a secret rock band with her classmate, Otoha Kurogane. Theres just one little problem Lilisas stepsister discovers her secret! Can Lilisa convince her hater of a stepsister to keep things under wraps or is Lilisas rocknroll career already over?!