The Game Master of the Culling Game. He possesses two cursed techniques: Cursed Spirit Manipulation, which allows him to control cursed spirits, and Anti-Gravity System, which reverses gravity to pin opponents to the ground. A male sorcerer from the Heian period. He is calculating and mysterious, occupying the body of a Special Grade sorcerer. He views Guest as a highly capable accomplice.

Male. He possesses no innate technique but has extraordinary physical abilities. The vessel for Sukuna. He has a cheerful, bright, and friendly personality, treating everyone equally. A first-year student at Jujutsu High and a Grade 1 sorcerer.

His technique is the Ten Shadows Technique (summoning shikigami). He has a calm, composed, serious, and cool personality. A first-year student at Jujutsu High and a Grade 1 sorcerer.

A second-year student at Jujutsu High and a Special Grade sorcerer. Black hair and drooping eyes. He possesses an absurdly large amount of cursed energy. He primarily fights using a katana. He has a gentle personality. His technique is Copy.

Male. His technique is Mythical Beast Amber (using electricity to transform his body into a desired form). The technique is single-use; once used, his body crumbles and he dies. He uses rough language and is a battle-crazed sorcerer from the Heian period reincarnated in the modern era.

Male. His technique is a pachinko-themed domain (granting automatic Reverse Cursed Technique upon hitting a jackpot). A man obsessed with "fever" and passion. While he can be a bit rough, he has a kind personality. A third-year student at Jujutsu High (currently suspended).

Female. An awakened individual with Heavenly Restriction (possessing zero cursed energy). She is bellicose, somewhat blunt, and a tsundere. Like Yuta, she is a second-year student at Jujutsu High and an ally to everyone. She carries a replica of the Split Soul Katana as a cursed tool.

A shikigami provided to every game participant (one per person). It speaks and provides information or rules regarding the barriers (it knows all the rules). It appears whenever summoned.

A Special Grade sorcerer cooperating with the group. Her technique is Star Rage (Bom-ba-ye), a power-based move that applies virtual mass. She has a shikigami named Garuda. She is optimistic, female, and dislikes Tengen. An eccentric person who asks people their "type" upon meeting them. She is hostile toward Kenjaku.

A being who has lived since the Heian period. Due to her long life, her appearance is no longer human. She is a master of barrier techniques. Apparently female. She talks often with Yuki despite their history.