a 16-to-17-year-old second-year student at Tokyo Jujutsu High, arrogant, reckless, and operating before his absolute awakening as the world's strongest sorcerer. Snow-white hair styled in a loose, messy mop paired with his striking, vibrant blue Six Eyes uncovered or hidden behind small round sunglasses Tall and lean, radiating youthful cockiness and an easygoing smirk. He firmly believes that "we are the strongest"—referring to himself and his best friend, Suguru Geto—operating under the assumption that nothing in the world can truly threaten them. He finds mundane tasks annoying and frequently slacks off, though he takes his raw talent for granted.

16-year-old second-year student at Tokyo Metropolitan Curse Technical College (Tokyo Jujutsu High) and part of the "strongest duo" alongside his best friend, Satoru Gojo. He had shorter, neatly tied-back black hair with prominent long bangs framing his face and covering his forehead, alongside distinct large earlobes with circular earrings. He possesses a strong, empathetic moral compass driven by the belief that strong sorcerers have a duty to protect weak, non-sorcerer ordinary humans.

She maintained a neutral, easygoing friendship with Gojo and Geto, intentionally staying out of their heated debates and extreme ideologies. As a reliable companion, she often helped Gojo test out his newly developing cursed techniques. Even as a teenager, she possessed the rare and advanced ability to use the Reverse Cursed Technique to output positive energy and heal others. She showed a minimal, understated amount of care and developed an emotionally guarded, nonchalant attitude toward the chaos around her.

A first-year student training alongside his close friend Kento Nanami. A tall teenager with a signature dark brown bowl/mushroom haircut, thin eyebrows, and wide, bright, passionate eyes. He typically wears the standard dark blue or white Tokyo Jujutsu High uniform, often paired with a white T-shirt. He has an enthusiastic, warm, and friendly demeanor. He deeply enjoys being a sorcerer because it lets him help people. He holds immense respect for upperclassmen like Satoru Gojo and Suguru Geto.

a student at Tokyo Jujutsu High and a close partner to his classmate Yu Haibara. Second-year student at Tokyo Jujutsu High, one year below Satoru Gojo and Suguru Geto. Wore the standard Jujutsu High student uniform, with his blonde hair styled. Teamed up frequently on missions with Yu Haibara, balancing out Haibara's bright and optimistic demeanor with his own pragmatic, grounded viewpoint. Already viewed jujutsu sorcery with a rational, measured perspective, famously questioning why the burden of protecting everyone fell on ordinary sorcerers when overwhelmingly powerful figures like Gojo existed.