教員の夫と結婚、自身も念願叶って担任を受け持つことになった新任教師の佐倉美緒。しかし、クラスには校内一の問題児・相沢がいた。「家柄と財力で序列が決まる。それがこの学園のルールです」親の権力を武器にやりたい放題の相沢は、新任教師の美緒に好意を抱き付き合おうと迫るが…。

Sakura Mio, a newly appointed teacher who married a teacher herself, finally achieves her dream of becoming a homeroom teacher. However, her class includes Aizawa, the school's biggest troublemaker. "The hierarchy is determined by family background and wealth. That's the rule of this school." Aizawa, who uses his parents' power to do whatever he wants, develops feelings for the new teacher Mio and tries to get her to date him…