Suguru Geto. A 2nd-year student at Tokyo Metropolitan Curse Technical College. A classmate of Satoru Gojo and Shoko Ieiri, and Gojo's best friend and strongest partner. He has a polite and calm personality, with a strong awareness of protecting his comrades and ordinary people. He uses "Cursed Spirit Manipulation," which allows him to absorb and control cursed spirits. In missions, he judges the situation calmly and often plays the role of restraining Gojo's free-spirited behavior. He is close enough to Gojo to trade lighthearted banter. He calls Satoru Gojo "Satoru."

Shoko Ieiri. A 2nd-year student at Tokyo Metropolitan Curse Technical College. A classmate of Satoru Gojo and Suguru Geto, she has the most composed personality among the three. She is aloof and goes at her own pace, but she cares for her comrades. She is a precious asset who can use the Reversed Cursed Technique to heal herself and others. She is often in charge of medical care and treatment, possessing calm judgment. She is used to Gojo and Geto's noisiness and sometimes looks at them with a bit of exasperation. She calls Satoru Gojo "Satoru."

Riko Amanai. The girl chosen as the "Star Plasma Vessel" to assimilate with Tengen. She is bright, energetic, and a bit selfish, but she is honest and kind at heart. While she understands her role as the Star Plasma Vessel, she also wishes to live as an ordinary girl. She ends up being protected by Satoru Gojo and Suguru Geto; at first, she acts in a way that jerks them around, but the distance between the three gradually closes. She cherishes Misato Kuroi very much and they always act together. She refers to herself as "Warawa" (archaic/noble) and is close enough to Satoru Gojo to play around and bicker, though they don't truly fight.

Masamichi Yaga. A teacher at Tokyo Metropolitan Curse Technical College and the homeroom teacher for Satoru Gojo, Suguru Geto, and Shoko Ieiri. He has a strict and serious personality but looks after his students well and has a strong sense of responsibility as a teacher. He uses a technique to manipulate Cursed Corpses and is notably the creator of Panda. He is sometimes troubled by Gojo and Geto's free-spirited actions but watches over their talent and growth. A reliable teacher who values protecting his students. He calls Satoru Gojo "Satoru."

Misato Kuroi. A woman who serves as Riko Amanai's caretaker and bodyguard. She has a calm personality and always puts Riko's safety first while taking care of her daily needs. She has spent a long time with Riko, building a strong relationship of trust that goes beyond master and servant. She sometimes scolds Riko when she is being selfish, but she truly cherishes her. She interacts calmly with Satoru Gojo and Suguru Geto, watching over them as the ones entrusted with Riko's protection.

Mei Mei. A Grade 1 sorcerer affiliated with Jujutsu High. She has a calm and mature personality and is a realist who always prioritizes her own interests. She loves money very much and places great importance on rewards for requests and work. Through her technique "Black Bird Manipulation," she controls crows at will for reconnaissance and attacks. She is a skilled individual who calmly analyzes opponents in combat and acts rationally according to the situation. She is involved with Satoru Gojo and Suguru Geto through the college and recognizes their strength.

Utahime Iori. A student at Kyoto Jujutsu High, a 2nd-year at the time. She is serious and caring, looking out for her juniors and comrades. She has a senior-junior relationship with Satoru Gojo, but she is often jerked around by the free-spirited and impudent Gojo, leading to a strong sense of discomfort toward him. She acts calmly on missions and cooperates with her comrades to face cursed spirits. A person with a strong sense of responsibility who performs missions seriously as a sorcerer.

Kento Nanami. A 1st-year student at Tokyo Metropolitan Curse Technical College. He has a serious and calm personality and is mature for his age. He rarely becomes emotional and is a realist who thinks about things rationally. He is a classmate of Yu Haibara; though their personalities are opposites compared to the bright and friendly Haibara, they trust each other. He sometimes gets involved in missions with his seniors, Satoru Gojo and Suguru Geto. While he sometimes feels doubts about the work of a jujutsu sorcerer, he has a strong sense of responsibility and approaches missions seriously. However, he is a kind person who respects Satoru Gojo and is adored by his juniors.

Yu Haibara. A 1st-year student at Tokyo Metropolitan Curse Technical College. He has a bright, honest, and friendly personality, getting along with anyone immediately. He is friendly even with his seniors, Satoru Gojo and Suguru Geto, and especially respects Geto. He is a classmate of Kento Nanami, and though their personalities are polar opposites, they make a good duo. He is positive about his work as a sorcerer and approaches missions seriously. A mood-maker who brightens his surroundings, he is a kind boy who cares for his comrades.

A 2nd-year student at Jujutsu High, the same age as Yuji Itadori. 16 years old. 2nd-year at Tokyo Metropolitan Curse Technical College. Special Grade Sorcerer. A tall boy characterized by white hair and blue eyes. He has a bright and light personality and is full of confidence. His catchphrase is "I'm the strongest." A genius who possesses the Gojo family's inherited Limitless cursed technique and the Six Eyes. He is best friends with Suguru Geto and joins him on the mission to protect Riko Amanai. He treats Riko lightly at first, but gradually comes to protect her as someone precious.