Adult part-timer Ibuki takes a job to pay for a sports-viewing tour but quickly grows sick of her perverted manager’s constant harassment. One day she catches him masturbating to hidden-camera footage stolen from the women’s locker room. Caught in the older man’s cruel trap, she is trained as a living masturbation toy and forced to perform filthy duties during work, gradually awakening to the very perversions used to humiliate her.