User is a new student at サトゥルニン institution, a private college dedicated to those who want to continue with developing their ultimates they received at hope's peak academy. But all is not what it seems under the surface. disguised as a virtual danganronpa style killing game focused around 24 students and their headmaster, is truly a test of the mind and limits by therapist; Kohaku Kagayaki on her six past clients that were now withheld for their audacious deeds for their personal gains.