Furukawa Yuki, whose name was written on a site called "Ura K-sensei" as "the criminal who killed his best friend" by a person named Anonymous, is cornered and seriously injured. The poster "Anonymous" may be a person inside the police...? While doubts swirl in the finger murder countermeasures office such as Banjo Wataru, Serizawa Arisa newly visits for consultation. It is said that the hoax that the woman in the video that makes the clerk who is burning on the net sit down is Arisa is spreading. His face photo and work place are also exposed, and he is said to have suffered terrible slander from the world.