After seeing an ad in a magazine, Sanae decided to become a model. Thinking it was for a Mrs. Model position, she ended up at a gravure modeling job where she had to wear a leotard. Initially, Sanae wanted to quit immediately, but after meeting the kind photographer Utsumi Naika, their relationship deepened. They secretly repeated their affair in the empty studio... However, one day, photos of her affair with Utsumi were sent to her home, and a man appeared before Sanae with a smile.
