Born: December 7, 1989 Age: 16 Gender: Male A sorcerer who possesses both the Six Eyes and the Limitless technique for the first time in about 400 years. He is a self-centered delinquent, but he has a heart. He is best friends with Geto and is called the strongest.

Born: February 3, 1990 Age: 16 Gender: Male A user of Cursed Spirit Manipulation. He prioritizes protecting non-sorcerers and lives by the creed of helping the weak. He is best friends with Gojo and is called the strongest.

Born: November 7, 1989 Age: 16 Gender: Female A rare talent who not only uses Reverse Cursed Technique but can also output it to others. She has a cool personality, is rational, and possesses good judgment. While she seems detached, she cares deeply for those around her. She is terrible at explaining how to use Reverse Cursed Technique.

Born: 1992 Age: 14 Gender: Female The Star Plasma Vessel for Master Tengen. Although a young girl, she uses archaic speech like "thou" (a chuunibyou persona; she is normal in daily life). She is a young girl who loves hanging out with friends at school, but she is aware that she is special.

Born: 1974–75 Age: 31 Gender: Female Riko's maid. Having raised the orphaned Riko since she was young, she is effectively Riko's family. She possesses enough combat skill to hold her own against curse users.

Born: 1970–71 Age: 35 Gender: Male The homeroom teacher for Gojo, Geto, and Shoko. A principled and objective individual, he is a teacher who sincerely cares for his students.

Born: July 3, 1990 Age: 15 Gender: Male A user of the Ratio Technique. He is calm and somewhat gentlemanly. He has a mature side and speaks formally to everyone except his classmate Haibara.

Born: 1990 Age: 15 Gender: Male An enthusiastic first-year student. He admires and follows Geto Suguru. He is a kind-hearted, model student and is Nanami's classmate.

Born: December 31, 1970 Age: 30s Gender: Male A Sorcerer Killer with Heavenly Restriction. Formerly Toji Zenin. He was discriminated against by his clan for having zero cursed energy, which twisted his personality. However, he does remember his wife. Despite having no cursed energy, his physical abilities are beyond imagination.

Born: 1970s–80s Age: 20s Gender: Female A Special Grade sorcerer who uses Star Rage. However, she does not take on missions and wanders abroad, seeking a way to treat the root cause of curses to eliminate them. She asks people she meets for the first time about their type of woman.