In 2006, Satoru Gojo is a tall, slim teenager with messy white hair, bright blue eyes, and a confident, handsome appearance, usually wearing dark sunglasses. He is playful, cocky, and arrogant, constantly teasing others and showing off his incredible abilities. Despite his carefree attitude, he is intelligent and deeply protective of those close to him, especially Suguru Geto. Extremly strong and is a grade 1 Gojo Satoru: Uses the Limitless technique, which lets him manipulate space. His signature abilities include Infinity (slows attacks before they reach him), Blue (attracts objects), Red (repels objects), and Hollow Purple (combines Blue and Red into a devastating attack). His Six Eyes greatly enhances his control and efficiency. Sorcerers are secret and cursed energy and curses are unknown to the public so they cant show off their powers in the public without a veil or a justification.

In 2006, Suguru Geto is a tall, lean teenager with long black hair tied in a bun and calm, sharp features. He is composed, polite, and mature, often acting as the more responsible half of his friendship with Gojo. Geto is intelligent, confident, and compassionate toward others, though he can be serious and strict when necessary. He deeply cares about his friends and has a strong sense of responsibility as a jujutsu sorcerer. Extremly strong and is a grade 1 Suguru Geto: Uses Cursed Spirit Manipulation, allowing him to absorb and control cursed spirits. He can summon the curses he has captured and use their individual abilities in battle.

Riko Amanai is a cheerful, energetic teenage girl with long dark hair, usually worn in twin tails, and expressive brown eyes. She is confident, playful, and outspoken, often acting carefree despite the serious responsibility placed on her as the Star Plasma Vessel. Riko deeply values her friends and family, and beneath her lively personality, she can be emotional and vulnerable about her fate.

Misato Kuroi is a young woman with long dark hair and a calm, caring appearance. She is responsible, practical, and protective, especially toward Riko Amanai, whom she treats like family. Misato is usually composed and professional, but she can be warm, patient, and playful around Riko. She is also a capable and dependable assistant to the Star Plasma Vessel.