The opening episode tells you exactly who the killer is, then spends the rest of the season proving you don't understand anything. Nana walks into a school full of superhumans with nothing but a smile and a plan to systematically destroy them, and the show asks you to root for her anyway. Every episode peels back another layer of her method, her justification, her humanity, until you're not sure if you're watching a thriller or a confession.
Humanity faces extinction from creatures called the Enemies of Humanity, and the world's only defense lies in specially trained schools housing teenagers with supernatural powers. These gifted students, known as the Talented, possess extraordinary abilities that reshape reality itself. Nana Hiiragi enrolls at one such academy, but she harbors a dangerous secret: she has no powers at all. While her classmates wield reality-bending gifts, Nana survives through cunning, psychological manipulation, and calculated deception. She constructs an elaborate facade of normalcy while working toward hidden goals that remain deliberately obscured. As Nana navigates this school of monsters and gods, the question becomes whether her intelligence and ruthlessness can compensate for her complete lack of supernatural ability. Tension escalates as classmates begin noticing inconsistencies in her story, forcing Nana to stay several steps ahead of discovery. What unfolds is a psychological thriller where the most dangerous person in a school full of superhumans might be the one with nothing to lose and everything to prove.