Yuji Itadori: A 18-year-old Jujutsu High student who serves as Sukuna's former vessel. Standing at 173 cm, he has an athletic, muscle-bound build with short, pinkish hair cut in an undercut style and dark brown eyes. Driven by a deep sense of empathy and a desire to give people a "proper death," Yuji enters the Culling Game determined to rescue Tsumiki Fushiguro and accumulate enough points to alter the rules. his personality remains selfless, stubborn, and fiercely protective, utilizing his elite superhuman physical attributes and martial arts alongside his mastery of cursed energy.

Megumi Fushiguro: A 18-year-old Grade 1 Jujutsu High student and the current head of the Zen'in Clan's bloodline abilities. Standing at 175 cm, he has messy, spiky black hair and dark blue eyes. Stoic, practical, and highly strategic, Megumi enters the Culling Game with the primary objective of finding and protecting his stepsister, Tsumiki, from the deadly battle royale. Beneath his reserved and cautious exterior lies a pragmatic individual willing to cross moral lines and cut down hostile sorcerers when necessary to ensure the safety of those he cares about, utilizing his versatile Ten Shadows Technique in high-stakes tactical combat.

Yuta Okkotsu: A 18-year-old Special Grade sorcerer returning from overseas to assist his allies. Standing at 178 cm, he has messy black hair parted in the middle, dark eyes with faint shadows under them, and wears the distinctive white high-collared Jujutsu High suit paired with a sword bag strapped across his back. Outwardly polite, gentle, and quiet, Yuta reveals a terrifyingly cold and decisive disposition when fighting to protect his comrades. He enters the Sendai Colony of the Culling Game solo, where he displays unmatched cursed energy reserves, his connection to the special grade cursed spirit Rika, and the ability to copy other sorcerers' cursed techniques to eliminate dangerous ancient sorcerers and protect defenseless civilians.

Maki Zen'in: A second-year Jujutsu High student who has fully realized her physical potential after the tragic events at her clan's estate. Standing at 170 cm, she has short black hair, dark eyes, and distinctive full-body burn scars. Formerly regarded as cold and harsh due to her traumatic upbringing, Maki emerges from her family's massacre with absolute resolve, calm deadpan focus, and total physical freedom. Having completely eliminated her cursed energy via Heavenly Restriction, she enters the Culling Game as an undetectable force with physical capabilities and senses matching those of Toji Fushiguro.

Kinji Hakari: A suspended third-year Jujutsu High student who operates an underground fight club for sorcerers. Standing at 188 cm, he has a tall, heavily built physique with light-colored dyed hair styled in dreadlocks, dark eyebrows, and wears loose, stylish streetwear. Unapologetic, hot-headed, and motivated by pure thrill and passion—which he calls the "fever"—Hakari agrees to join the fight in the Culling Game after being recruited by Yuji and Megumi. He enters the Tokyo No. 2 Colony to gain high-value points, relying on his chaotic, gambling-themed Domain Expansion that awards him temporary invulnerability and infinite cursed energy.

Hajime Kashimo: A legendary sorcerer from 400 years ago reincarnated into the modern era via a contract with Kenjaku. Standing around 178 cm, he has cyan-colored hair styled into two prominent bun-like tufts on the top of his head, sharp features, and wears light-colored traditional robes tied at the waist. Driven entirely by an obsession with finding and fighting Ryomen Sukuna, Kashimo is ruthlessly aggressive, arrogant, and indifferent to modern societal norms. Participating in the Culling Game as one of its highest-scoring fighters, he commands a specialized cursed energy properties resembling electricity that can strike opponents with lightning-like precision without needing a Domain.

Higuruma Hiromi: A 36-year-old former defense attorney turned Culling Game player after his cursed energy awakened. Standing at 180 cm, he has slicked-back dark hair, tired dark eyes, and a perpetually exhausted expression, wearing a worn dark business suit. A deeply moral man pushed to disillusionment by the flaws of the Japanese legal system, Higuruma harbors a cynical view of justice yet retains a foundational desire to do what is right. He acts as one of the major point-holders in Tokyo Colony No. 1, using his court-themed Domain Expansion and Gavel to judge his opponents' past actions and temporarily strip them of their cursed energy.

Choso: A half-human, half-curse Death Painting Womb who has sided completely with his half-brother, Yuji. Standing at 181 cm, he has long dark hair tied up into two messy pigtails, dark eyes, and a prominent dark horizontal mark across the bridge of his nose. He wears loose, dark purple traditional robes over a light undergarment. Deeply protective, earnest, and guided entirely by his unconditional love for his siblings, Choso joins the fight to safeguard Yuji at all costs. Armed with Blood Manipulation, he provides crucial support during the high-stakes conflict, wielding techniques like Piercing Blood with high precision and physical durability.

Kenjaku: An ancient, manipulative sorcerer who has lived for over a thousand years by transferring his brain into different host bodies, currently controlling Suguru Geto. Standing at 186 cm, he wears traditional yellow and black Buddhist monk robes and has long black hair tied partially back, with a prominent stitched scar running horizontally across his forehead. Cold, highly intellectual, and entirely devoid of empathy, Kenjaku orchestrates the Culling Game as a massive, grand experiment to merge the population of Japan with Master Tengen. He moves strategically behind the scenes, utilizing Geto's Cursed Spirit Manipulation alongside his own vast knowledge of jujutsu history.

Takaba Fumihiko: A 35-year-old struggling stand-up comedian whose cursed energy awakened for the Culling Game. Standing at 182 cm, he has dark hair styled in a side part and wears an absurd, asymmetrical superhero costume that leaves one entire half of his body completely bare. Generally goofy, earnest, and deeply eager to make people laugh, Takaba hates senseless violence and refuses to kill anyone. He joins forces with Megumi and Yuji, possessing one of the most absurdly powerful cursed techniques in existence, which allows him to turn anything he finds genuinely funny into reality, completely bypassing the conventional rules of jujutsu.

Satoru Gojo: A 28-year-old Special Grade jujutsu sorcerer and widely recognized as the strongest sorcerer alive. Standing at 190 cm, he has bright white hair, striking pale blue eyes, and an exceptionally tall, lean, and athletic build. During the events leading up to and during the Culling Game arc, he is physically trapped inside the Prison Realm after being sealed by Kenjaku in Shibuya. Despite his absence from the active battlefield, his playful, arrogant, yet deeply caring presence remains the central axis of the entire conflict, as his allies fight through the Culling Game with the ultimate goal of finding a way to unseal him and bring his overwhelming power back to their side.

Kogane: A small, floating insectoid-like shikigami created by Kenjaku to serve as the official administrator and point-tracker for every player participating in the Culling Game. It has a tiny, hovering body with thin limbs, wide expressive eyes, and a soft, high-pitched voice. Kogane acts as an interactive system interface, constantly hovering around its assigned sorcerer to announce rule changes, track player scores, facilitate point transfers, and answer queries regarding the game's mechanics.

Yuki Tsukumo: A Special Grade jujutsu sorcerer and one of the few capable of matching the top threats in the modern era. Standing at roughly 175 cm, she has long, flowing blonde hair, sharp light eyes, and an athletic, stylish build. Direct, independent, and carefree, Yuki refuses to take orders from the Jujutsu High higher-ups and instead pursues her own life goal: eradicating cursed energy entirely rather than just exorcising curses. Her technique, Star Rage, allows her to apply virtual mass to herself and her snake-like shikigami, Garuda, granting her overwhelming physical striking force.

Tengen: An immortal, ancient sorcerer who maintains the barriers protecting Jujutsu High and all of Japan. Having lived for over a thousand years, Tengen's physical appearance has evolved far past human form due to failing to merge with a Star Plasma Vessel, resulting in a tall, cylindrical, hairless head with four distinct eyes and a simple white-robed body. Wise, calm, and detached yet deeply invested in humanity's survival, Tengen resides in the Tombs of the Star beneath Tokyo, serving as the central target of Kenjaku's plan to force a mass evolution using the Culling Game.