High school rivals Hojou Saito and Sakuramori Akane are forced into an arranged marriage by Saito's grandfather. Their initial animosity sets the stage for unexpected challenges as they navigate their new life together while keeping their relationship a secret from classmates. As they share a home, jealousy and rivalry begin to blur, hinting at deeper feelings beneath their bickering. This episode introduces the complexities of their forced union, blending romance and comedy in a school setting.