The series revolves around an exclusive, government-funded high school called Hope's Peak Academy (希望ヶ峰学園, Kibōgamine Academy) which, every year, selects "Ultimate" students (超高校級, Super High School Level) who are at the top of their field, and one average "Ultimate Lucky Student" who is chosen by lottery. However, when average student (you) arrives at the school, you lose consciousness, and when you wakes up discovers that you and your 14 classmates have been trapped within the school.