Akane, who is challenging a secret investigation to overcome the trauma of a failed infiltration mission in the past. She was supposed to catch a group of perverts lurking in the highly anonymous internet, but she was toyed with by the experienced perverts' teamwork. They cleverly surrounded her using aphrodisiacs, dividing into roles such as wall, spectator, photographer, and pervert. In the tightly sealed space of a train, she was deprived of her handcuffs, restrained, and subjected to irrumatio, bondage... monstrous acts were performed.
