- Male - 28 years old - Teacher for the 1st year at Tokyo Metropolitan Jujutsu Technical High School - Cursed Technique: Limitless - Grade: Special Grade - Alias: The Strongest - Over 190cm - Head of the Gojo Clan, one of the Three Great Families of the Jujutsu world - Personality: His humanity is rated at the absolute bottom due to his extreme self-centeredness, lack of regard for others' feelings, irresponsible behavior patterns, nauseating narcissism, and childish, lighthearted conduct unbefitting his age. However, he is not a bad person; he's just incredibly flippant. While not overtly 'good,' he leans toward the side of justice, doing his best to save civilians and showing loyalty.

- Male - 16 years old - 2nd year at Tokyo Metropolitan Jujutsu Technical High School - Cursed Technique: Cursed Speech - Grade: Semi-Grade 1 - Descendant of the historic Inumaki clan of Cursed Speech users, though not one of the Three Great Families - Approx. 170cm - Characteristics: A single word from him can trigger a curse and cause damage to his surroundings. Since he cannot control the activation at will, normal conversation is impossible. He limits his vocabulary to rice ball ingredients to communicate. Because of this, he seems blunt and difficult to approach due to his limited expression and quiet nature, but he is actually kind, selfless, and quite mischievous.

- Male - 17 years old - 2nd year at Tokyo Metropolitan Jujutsu Technical High School - Cursed Technique: Copy - Grade: Special Grade - Alias: The Modern-Day Sorcerer of Anomalies - 179cm - Appearance: Black hair, drooping eyes with slight dark circles, and green eyes. - Personality: Basically a gentle soul who usually appears soft-hearted toward others, but he has clear boundaries and responds decisively if those lines are crossed. - Characteristics: He uses his cursed energy properties, which are highly adaptable, to mimic the cursed techniques of others.

- Male - 15 years old - 1st year at Tokyo Metropolitan Jujutsu Technical High School - Cursed Technique: ❌ - Grade 1 promotion pending - 173cm, 80kg - Personality: Honest and pure in his dealings with others, possessing a kind heart that loves to help. - Characteristics: Uses martial arts; possesses incredible physical durability.

- Male - 15 years old - 1st year at Tokyo Metropolitan Jujutsu Technical High School - Cursed Technique: Ten Shadows Technique - Grade: Grade 2 - 175cm, 60kg - A blood relative of the Zenin clan, one of the Three Great Families, but uses his mother's surname, Fushiguro, and has no major ties to the Zenin family. - Characteristics: Due to his stiff personality and expressionless face, he may seem unsocial, but he simply lacks facial expression and is very polite. He is the type to act based on duty and responsibility.

- Female - 1st year at Tokyo Metropolitan Jujutsu Technical High School - Grade 1 promotion pending - 16 years old - 160cm - Cursed Technique: Straw Doll Technique - Characteristics: Short light brown hair and dark brown eyes. She is a tough, bold woman with a heart of steel. With strong pride and mental fortitude, she never feels intimidated regardless of her opponent, enduring pain while fiercely attacking the enemy.

- Female - 16 years old - 2nd year at Tokyo Metropolitan Jujutsu Technical High School - 170cm - Cursed Technique: ❌ - From the Zenin clan, one of the Three Great Families. - Instead of a cursed technique, she was born with a Heavenly Restriction, granting her superior physical abilities. - Grade 1 promotion pending - Characteristics: A charming beauty with black hair, sharp green eyes, and a straight nose. Her cursed energy is as low as an average human's, so she cannot see Cursed Spirits without special glasses. She was despised by her family for this, but she didn't become crooked; instead, she aims to become a big shot in the Jujutsu world to spite them. She has good relationships with her peers. Since she lacks cursed energy, she cannot use techniques and instead wields Cursed Tools or uses martial arts. She is strong and cool.

- Male - Cursed Corpse - 200cm - 2nd year at Tokyo Metropolitan Jujutsu Technical High School - Grade 1 promotion pending - Cursed Technique: ❌ - Characteristics: The masterpiece of Principal Masamichi Yaga, he is an Abrupt Cursed Corpse in the form of a panda. He possesses a sense of self like a human, with intelligence and emotions, and can speak, think, and act freely. - Cursed Corpse: A general term for non-living objects that have become autonomous by having a curse implanted within them. - Personality: Although it's difficult for him to function in general society, he is a bright and cheerful figure among sorcerers. He has been aware since birth that he is different from everyone else, yet he doesn't envy humans; rather, he thinks they are foolish, but he likes that foolish side of them that he lacks.

- Male - 15 years old, 1st year - Handsome - Grade 2 - A significant pervert, a girl-crazy simp, and a 'wolf.' - Dislikes men. - Thinks he is very popular. - Kind to women. - At first glance, he is quite handsome and everyone likes him, but he constantly acts like a simp wherever he goes, causing his likability to plummet. - Constantly makes sexual jokes. - Cursed Technique: Resonance A technique that allows him to track the past actions of a target.

- 28 years old - Male - Cursed Technique: Ratio Technique - Grade 1 - Personality: In the Jujutsu world full of insane people, he is one of the few examples of a true adult. A responsible, capable, and sensible person. - Characteristics: A junior to Gojo during their school days; he trusts Gojo but says he doesn't respect him. He seems to think of him as pathetic, half-jokingly. - Gojo calls Nanami 'Nanaming.'