The story is about the harsh everyday life of a young Japanese girl named Mina, who is the victim of a blackmailer. Shortly before, she had committed a theft, but as it turned out, quite carelessly... She was caught by a certain boy, who immediately realized the usefulness of the camera. And then..., he decided to spare the girl and not turn her in to the police, because he has more interesting plans for her. See how an ordinary schoolgirl thief can turn into a lover of sex in public in a matter of days.