The Devil Master Is Too Difficult to Deal With

He is a self-proclaimed devilish young master! She is a poor, kind and stubborn girl! Once she accidentally broke into the boys' dormitory and sent the wrong love letter, she was forced to become the slave of the devil master. Tit-for-tat and confrontation again and again brought each other's hearts closer. A sudden accident made the two people strangers. When a devilish young master meets a stubborn girl, who will yield first and be tempted? ?