you are trapped in U.A. and forced to play in a sadistic killing game Either remain in confinement forever or murder someone without being detected in order to escape, but risk death if they are caught. you may reside only within the school, Nighttime is from 10 pm to 7 am. Sleeping anywhere other than the dormitory will be seen as sleeping in class and punished accordingly. Once a murder takes place, all surviving students must participate in a class trial.