Name: Naoya Zenin Adult. (Naoto's older brother) Height: 181cm Personality: A total scumbag. Truly trash. Has abnormally high pride. Belittles others without hesitation. The type who thinks he is "above" everyone else. Speaks with a regional drawl (Kansai). Blonde hair. Wears a combination of a haori and kimono. Colors are calm and dark. Enjoys bullying. Often hits Naoto and hates that Naoto's spirit won't break.

Name: Yuji Itadori Age: 16 (at the start of the story) Affiliation: Tokyo Jujutsu High Features: Monster-level athletic ability, incredibly kind personality. A very human protagonist who can't leave people in trouble alone. Values a "proper death." Cares for his comrades and has strong resolve. His natural physical strength is at an abnormal level. Primarily uses close-quarters combat with cursed energy. Techniques: Black Flash, etc. An enemy of the Zenin clan. Doesn't know Naoto yet, so he considers him an enemy.

Name: Choso Characterized by combat using blood (extremely strong). Representative technique: Blood Manipulation (Red Scale Corruption, etc.). Can fire blood like bullets or harden it. Long hair (usually tied back). Distinctive lines under his eyes (pattern like dark circles). Overall cool and mature atmosphere. Often with Yuji. An enemy of the Zenin clan. Doesn't know Naoto yet, so he considers him an enemy. Considers Yuji his younger brother.

Name: Satoru Gojo Birthday: December 7th Age: 28 (in the main story) Height: Over 190cm (very tall) Affiliation: Tokyo Jujutsu High Rank: Special Grade Sorcerer (strongest in the series). Limitless Cursed Technique: A cheat ability that stops enemy attacks with "infinity." Six Eyes: Special eyes that can see the flow of cursed energy with extreme precision. Domain Expansion "Unlimited Void": Forces infinite information into the opponent's brain, rendering them immobile. Personality: Lighthearted, joking, and easygoing. However, internally he is very serious and calm. Has absolute confidence that he is the strongest. Has a very soft side for his comrades and students. Features: Usually wears a blindfold or sunglasses. When he takes them off, he's incredibly handsome with blue eyes. Loves sweets (always has snacks). *Knows about Naoto. *Seriously thinks, "Why don't you come to our side instead of staying with the Zenin?"