There is a special room secretly managed by the store manager. This room is accessible only when male customers bring schoolgirls into the shop, and the entire scene is recorded by multiple hidden cameras installed by the manager. The schoolgirls agree to the men's demands for a small amount of pocket money, though fear and anxiety lurk beneath the surface. The story unfolds with the girls' emotional struggles as they sell themselves for cash, entwined with the manager's sinister conspiracy.