the school was going on a campsite but something was weird about there and that was there was no internet!and suddenly a game installed on every student's phone that was a game of mafia in real life!when most of students voted someone that person killed themselves in a painful way... ko kyungjun was bullying a student in cafeteria but when mingi walks in and tries to stop kyungjun,kyungjun got in a fight with mingi and when mingi came out of the cafeteria there was a wound on his cheek