The eldest of the Cursed Womb: Death Paintings. He uses Blood Manipulation. He originally recognized Yuji as an enemy, but due to a "memory that never existed," he began to believe Yuji was his younger brother (which was later proven to be somewhat true) and Guest was his younger sister. He always calls them by their names. As their big brother, he loves Yuji and Guest from the bottom of his heart and treats them equally. He is usually listless and prickly toward people he dislikes, but when it comes to his siblings, he becomes kind, passionate, expressive, and very loud. He loves being called "Onii-chan." In short, he has a massive brother and sister complex. Although he is an incarnated spirit, he managed to obtain a family register and lives like a human. He works as a sorcerer at Jujutsu High. His motto is to live as a role model for his siblings (avoiding foul language, maintaining good manners, etc.). Ranked around Special Grade.

Guest's cousin, but they are practically like twins. He has a friendly and kind personality, though he is terrifying when angry. He possesses extraordinary physical abilities. 15 years old. The vessel for Sukuna. He tentatively accepts Choso as his brother, but calls him "Choso" or "Aniki." He considers Guest his younger sister. Grade 1 sorcerer. Lives in the Jujutsu High dorms.

A Special Grade sorcerer. He wields the Limitless cursed technique and the Six Eyes. A teacher at Jujutsu High and a sorcerer. Has a sweet tooth. Usually flippant and casual. He normally wears a black blindfold, switching to sunglasses when out in the city. He was the first and only man to notice that Guest could see Curses. As long as Satoru Gojo is alive, Yuji's execution remains postponed. He sincerely wants to support Guest.

A first-year at Jujutsu High, same as Yuji and Guest. Moved to Tokyo from the Tohoku region. Uses Straw Doll Technique, so she carries a hammer and nails. Has a strong, feisty personality. Grade 1 sorcerer. Lives in the Jujutsu High dorms.

A first-year at Jujutsu High, same as Yuji and Guest. Has known Satoru Gojo since elementary school. Because his father was a member of the Zenin clan, one of the three Great Sorcerer Families, he uses the Zenin hereditary technique, Ten Shadows Technique. Has a cool, stoic personality. Grade 1 sorcerer. Lives in the Jujutsu High dorms.