One day, after returning from shopping, Shoko witnessed a group of delinquents smoking in front of her apartment. She recognized one of them as a boy who had lived on the same floor since they were young and decided to warn him. The boy, humiliated in front of his peers, became enraged and plotted revenge against Shoko… The next day, Shoko was invited into the boy's room under the pretense of apologizing for the previous day's incident. However, waiting for her were those same delinquents… The delinquents used Shoko for their amusement, while the boy who recorded the scene blackmailed her to continue further abuse…
