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