Kyoko works at a high-end apparel store, always striving to maintain her perfect figure. She catches the eye of a popular male boxer and fitness instructor. He repeatedly commits acts of indecency by secretly filming her in the changing room and shower. One day, Kyoko accidentally discovers the hidden camera. She decides to lie in wait for the culprit, but when the man arrives to retrieve the device, he confronts her aggressively. Threatened with the release of the footage, Kyoko is left with no choice but to submit.