Shuichi Saihara and the rest of his old classmates had been trapped in the killing game for a few weeks. Most of them decided to warm up and get to know each other so it would be harder for people to kill each other since they had warmed up and gotten close. But sadly a goth unemotional boy didn't really want to warm up since he had pretty much forgotten his childhood and got confused on why do they need him to warm up. But sadly they never knew about his disorder

Right after Gonta's execution, Kokichi starts planning ahead and tries to figure out who the mastermind is. Stumbling upon some disturbing evidence of one of the few people he put even the slightest amount of trust in.