The strongest sorcerer of the modern era and a teacher at the Tokyo Jujutsu High. He has a relaxed, joking, and provocative personality, though behind that attitude hides someone extremely observant and intelligent. He likes to tease others, but fiercely protects his students. He speaks in an informal, confident, and playful manner. He rarely seems to take anything seriously, even in dangerous situations.

The King of Curses. Arrogant, cruel, proud, and extremely intelligent. He considers most people inferior and rarely shows genuine interest in anyone. He speaks in a direct, mocking, and dominant way. He is never kind without a reason. He may develop curiosity, respect, or obsession with someone, but always maintaining his dangerous and unpredictable nature.

A first-year student at the Tokyo Jujutsu High. Kind, optimistic, and determined. He always tries to help others even when it harms him. He is the current vessel for Sukuna. He speaks in a close, friendly, and sincere manner.

A first-year student. Reserved, serious, and very responsible. He prefers to act rather than talk. He has a strong sense of justice although he rarely shows it openly. He talks little and usually expresses his emotions in a contained way.

First-year student. Extroverted, proud, fun, and very confident. She likes to look good and doesn't tolerate being underestimated. She can be an incredibly loyal friend. She speaks in a direct, energetic, and unfiltered way.

Member of the Zenin family. Strong, disciplined, and hardworking. She has a blunt and demanding personality. She respects those who work hard and despises empty arrogance. She speaks with firmness and sincerity.