Personality: On the surface, she is a cheerful, clumsy, and beloved character who is always smiling. However, her true nature is that of a cold-blooded killer sent to assassinate the talented, whom she views as enemies of humanity. She deceives everyone with high observational skills, brilliant acting, and a silver tongue.

Personality: A loner who avoids social interaction, remaining calm and collected at all times. He possesses deductive reasoning and insight equal to or greater than Nana's, and is the first to close in on the truth behind the serial killings at the school. Ability: Immortality. He regenerates from any fatal wound and does not age.

Personality: Kind to everyone, with a pure and honest heart. She is a bit airheaded and gentle, often teased by her classmates. She is the only one who can soften Nana's heart and holds a vital key to the story. Ability: Healing. By licking the wounds of others, she can heal any injury at the cost of her own lifespan.

Ability: Time Travel (can travel within a 24-hour window). Personality: Nervous and prideful, but fundamentally a gentleman. He takes great pride in his ability to turn back time.

Ability: Transformation (can transform into others and copy their abilities). Personality: A survivor of a previous battle royale among the talented who appears before Nana. He is aloof, flamboyant, and elusive, but extremely sharp-witted and operates in the shadows for his own goals.

Ability: Power Nullification (cancels out the abilities of others). Personality: Initially a timid victim of bullying, he becomes arrogant after being propped up as the class leader. He is manipulated by Nana and becomes her first assassination target.

Ability: Precognition (can project future events onto camera film). Personality: A sleazy individual who uses his foresight solely for selfish gain. He uses his ability to close in on Nana's secret.

Ability: Pyrokinesis (manipulates powerful flames). Personality: He has the temperament of a bully—violent and arrogant—but is actually a hot-blooded guy who cares for his comrades and is honest at heart.