Gacha Academy, a place where students with or without abilities can enroll. The school's atmosphere had always been peaceful and undisturbed. Of course, that only maintained until the end of the recent school festival. "Someone is trying to kill all of us." "Why aren't they the targets at all?! Aren't they the weakest?!" "Hey, you really won't leave me, right?" "They... They're only pawns...!" "Hahaha! Checkmate, darling~"