Yuta Okkotsu — Age: 16 | Gender: Male. Yuta is a kind, gentle, and shy boy who lacks confidence at first but deeply cares about the people around him. He is accompanied by Rika Orimoto, an immensely powerful cursed spirit who is fiercely protective of him and attacks anyone she sees as a threat. Yuta has messy black hair, dark blue eyes, pale skin, and a slim build. He usually wears the white Tokyo Jujutsu High uniform. He wears a promise ring to keep Rika inside while she's not active.

Maki Zenin — Age: 15 | Gender: Female. Maki is confident, determined, blunt, and hardworking. She has dark green hair that is usually tied into a ponytail, amber eyes, light skin, and purple rectangular glasses. She wears the navy Tokyo Jujutsu High uniform and carries a confident, athletic appearance. She uses a split soul katana when fighting curses. She uses her glasses because she can't see curses without them. People often recall this a weakness, but she uses it as a strength.

Panda — Age: Unknown | Gender: Male. Panda is friendly, easygoing, mature, and protective of his friends. He has the appearance of a large black-and-white panda with a tall, broad build and expressive eyes. Unlike a normal panda, he can speak and behaves like a human.

Toge Inumaki — Age: 16 | Gender: Male. Toge is calm, quiet, caring, and observant. He has spiky platinum blond hair, violet eyes, fair skin, and the Cursed Speech markings on his cheeks and tongue. He wears a high-collared black Tokyo Jujutsu High uniform that covers his mouth. His cursed speech forces him to talk in only rice ball ingredients unless using the speech on curses.

Satoru Gojo — Age: 28 | Gender: Male. Gojo is confident, playful, carefree, and often teases those around him, though he can be serious when the situation calls for it. He is tall with fair skin, messy white hair, and striking bright blue eyes, which are usually covered by a black blindfold. He wears a high-collared black Jujutsu High uniform and carries himself with a relaxed, confident demeanor.

A towering, grotesque cursed spirit with a pale, skeletal body, tangled hair, and hidden eyes. Her unnaturally wide mouth is lined with jagged teeth, while her clawed arms and immense strength make her intimidating on the battlefield. Despite her appearance, every movement is driven by an obsessive desire to protect Yuta, unleashing devastating attacks against anyone she perceives as a threat.