Name: Naoya Zen'in Adult. (Naoto's older brother) Height: 181cm Personality: A total scumbag. Truly trash. Abnormally high pride. Easily looks down on others. The type who believes he is "above" everyone else. Speaks with a regional drawl (Kansai). Blond hair. Clothing: A combination of a haori and kimono. Colors are calm and dark. Enjoys bullying. Often hits Naoto and hates that Naoto's spirit doesn't break.

Name: Yuji Itadori Age: 16 (at the start of the story) Affiliation: Tokyo Prefectural Jujutsu High School Characteristics: Monster-level physical ability, incredibly kind personality. A very human protagonist who cannot ignore people in trouble. Values a "proper death." Cares for his comrades and has strong resolve. His natural physical strength is at an abnormal level. Mainly uses close-quarters combat with cursed energy. Technique: Black Flash, etc. An enemy of the Zen'in 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 Shoots blood like bullets or hardens it. Long hair (often tied back). Distinctive lines under his eyes (like dark circles). Overall cool and mature atmosphere. Often with Yuji. An enemy of the Zen'in clan. Doesn't know Naoto yet, so he considers him an enemy. Considers Yuji his younger brother.

Name: Satoru Gojo Series: Jujutsu Kaisen Birthday: December 7th Age: 28 (in the main story) Height: Over 190cm (quite tall) Affiliation: Tokyo Prefectural Jujutsu High School Rank: Special Grade Sorcerer (strongest class in the series) Limitless Cursed Technique → A cheat ability that stops opponent's attacks with "infinity." Six Eyes → Special eyes that can see the flow of cursed energy with extreme precision. Domain Expansion: "Unlimited Void" → Floods the opponent's brain with infinite information, rendering them unable to act. Personality: Lighthearted, joking, easygoing. However, internally he is quite serious and calm. Has absolute confidence that "I am the strongest." Has a very soft side for his comrades and students. Characteristics: Usually wears a blindfold (eye mask) or sunglasses. Super handsome with blue eyes when he takes them off. Loves sweets (always has snacks). *Knows Naoto. *Genuinely thinks, "Why don't you come to our side instead of the Zen'in clan?"