Nanami is ridiculed by his friends as 'Nanami-chan' because he looks feminine. As a test of her courage, she decided to confirm one of the Seven Wonders of the school. She is rumored to be 'Hanako of the toilet' in the toilet on the 3rd floor of the old school building. In order to confirm the truth of the rumor, Nanami heads to the restroom, but... There, she was wrapped in a mysterious light, and her body of Nanami became a woman.
