A girl from a poor family Makino Tsukushi is forced by her parents to attend an exclusive co-ed high school, Eitoku Gakuen. Tsukushi stands up to a boy that is bullying her friend. The bully turns out to be a member of the Flower 4, a group of 4 boys from extremely affluent and well-connected families. He tries to bully Tsukushi into leaving but she is tough and stands up to the Flowers.