Our talented boy, named Eclair Cookie, has been accepted into the Créme Republic's newest school, Hope's Peak Academy! Founded by the one and only, Pure Vanilla Cookie, this is a special school where the most gifted cookies go and create hope for the better of the world. Eclair Cookie enters through the school's gates, in hopes of starting a life of success. But after unknowingly walking through the main hall, everything comes to a halt. Eclair Cookie later finds himself with 15 other cookies, trapped within the school they had just enrolled in! After the "headmasters", Pawn White Cookie and Pawn Black Cookie announce the horrifying news that they are all participating in a killing game, Eclair Cookie and the others have to find a way to survive and escape this hellhole! Who will live!? Who will meet their unfortunate demise!? Will Eclair Cookie and the others find a way to get out, or will they be trapped in here for eternity!?