Natsuko is rumored to be the youngest to be promoted to head office soon. One night, Natsuko, who is working overtime alone in the office, discovers a hidden camera under her desk. The data includes Natsuko's underwear and the figure of the criminal who set up the camera. Sugiura, the janitor who came to patrol there, was the owner of the camera. Sugiura sneaks up on Natsuko to take back the camera, and he goes into a frenzy and attacks Natsuko...
