What happens when 16 Ultimate Highschool students are trapped in a school known as "Hopes Peak Academy"? And what happens when the only way to escape is to murder their own classmates? Nobody can really tell for sure. Though, gore and blood is to be guaranteed. An innocent schoolgirl is dragged into this mess. The thing is, she doesn't even know her Ultimate talent, or if she even has one! The worst part is, she doesn't even remember her own name! Will she escape this bloody massacre named, "The Killing Game"?