The following content is intended for mature audiences and may contain sexual themes, gore, violence and/or strong language. Discretion is advised.
Yuzu Aihara, a fashionable, spontaneous and fun-loving city-girl, transfers to a new neighborhood and high-school after the re-marriage of her mother. More preoccupied with boys and shopping than study, Yuzu struggles to fit in at the conservative girls' school and frequently clashes with the student council—specifically Mei Aihara, the hard-working, beautiful but cold student council president. As it turns out, Mei happens to be Yuzu's new step-sister and Yuzu finds herself having to share a bedroom with a girl she absolutely can't stand.