クラスの大嫌いな女子と結婚することになった。

Houjou Saito and Akane Sakuramori have been rivals for the top spot in class ever since they started high school, bickering through every lesson. When their grandparents, once lovers separated by a petty argument, arrange a marriage to fulfill their own unfinished romance, Saito and Akane are forced to live together. Their classroom hostility slowly cracks under the pressure of sharing a home.