Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Haruki, the older brother of a high-ranking Yankee, and Mahyu, the younger brother of a cute Otome line.
The personality of such a diametrically opposite brother changed one day?
Haruki, pretending to be Mahyu and going to school while looking for a way back.
Akiyama, a friend of Mahyu, helped Haruki?