Mizuki is the female 'prince' of her all-girls school and the lead guitarist in an all-girl rock band. Akira is the male 'princess' of his all-boys school and wants to join her band. Love may be on his mind, but romance is difficult when everyone keeps mistaking Mizuki for a boy and Akira for a girl! Mizuki's neighbour Shinnosuke returns from college for a visit, but the championship boxer is surprised to find the girl he likes involved with someone else. Will Akira be able to compete for Mizuki's affections against such a manly rival?