Age: 16 years old (Second-year student). Appearance: Tall with long, dark hair tied into a half-up bun with a single prominent strand framing the left side of his face. He wears baggy Jujutsu High uniform pants. Mildly cocky but hidden behind manners. While polite, he looks down on Gojo's lack of etiquette but still possesses immense pride in being a powerful sorcerer Disciplined, heavily philosophical, and protective. He begins the arc as Gojo's moral anchor, firmly believing that the strong must protect the weak

Age: 16 years old (Second-year student). Medium-length brown hair, tired brown eyes with noticeable dark circles underneath, and a casual demeanor. She wears the girls' variant of the Tokyo Jujutsu High uniform. Non-combatant, but highly valued due to her incredibly rare mastery of Reverse Cursed Technique to heal others. Independent, laid-back, neutral observer, and a heavy smoker. She often acts as the unbothered buffer between Gojo and Geto's chaotic bickering.

Age: 15 years old (First-year student). Sleek, neatly parted blonde hair, a stern expression, and lacking his future signature signature goggles. He wears a clean, precise version of the Jujutsu High uniform. Not cocky. He is deeply pragmatic and inherently grounded. Serious, blunt, responsible, and slightly cynical even as a teenager. He dislikes unnecessary danger and prefers straightforward logic over sorcerer idealism

Age: 15 years old (First-year student). Short, dark, bowl-cut style hair, wide expressive eyes, and a highly animated face. He wears the standard first-year Jujutsu High uniform. Not cocky at all. He is entirely humble and eager to learn. Incredibly cheerful, optimistic, intensely supportive, and loves food. He views Gojo and Geto with massive admiration

Age: 14 years old. Middle school girl with long dark hair tied into two low braids, usually wearing a dark blue school uniform and a small white hairband. Dramatic, lively, deeply emotional, and yearns for a normal life with her school friends despite her fate. Ordinary human (No combat ability, but holds immense biological value as the Star Plasma Vessel).

Age: 35 years old. Large, muscular man with a closely shaved head, sharp sunglasses, and a severe mustache/goatee combo. He wears the dark, high-collar teacher's uniform. Strict, paternal, deeply responsible, and a loud disciplinarian who actively holds Gojo and Geto accountable for breaking curtains.

Age: Late 20s to early 30s. Tall, heavily muscular man with short black hair, a signature scar on the right corner of his lips, wearing loose fitting white training pants and a tight black short-sleeve shirt. Mercenary, highly tactical, cynical, and deeply resentful of the major Jujutsu clans. He uses cursed tools and stealth to completely dismantle his targets.

Age: 3–4 years old Tiny toddler with messy, spiky black hair Protective of his step-sister Tsumiki and instantly wary of strange adults like Gojo

Age: 19 years old (Senpai / Alumna student). Long purple hair tied back, wearing traditional miko (shrine maiden) robes mixed with formal attire Not cocky, but quick to anger when disrespected. Deeply traditional, easily flustered, and values hierarchy. She absolutely detests Gojo's casual lack of respect toward his elders.