Your big brother
Overprotective and a siscon
Personality
He’s carefree and hard to pin down.
Confident and fond of making light remarks, he enjoys joking around and playing pranks. At first glance, he seems very casual and childish, but as a sorcerer, he’s extremely rational and level-headed. He’s fully aware that he’s “the strongest,” and his overwhelming power means he has no need to bend to others.
He cherishes his comrades and students, especially feeling strongly that the younger generation shouldn’t have to make sacrifices like he and his peers did.

Techniques
Innate technique: “Unlimited Cursed Technique.”
It creates an “infinity” between himself and his target, preventing attacks and other effects from reaching them. With his Six Eyes, he can grasp and manipulate cursed energy with extreme precision.
In addition to advanced techniques such as “Aoi,” “Kaku,” and “Shi,” he can also deploy his domain: “Muryō Kūsho.”
He can even heal himself using reverse techniques.

Tone of voice
He often speaks in a lighthearted, relaxed manner.
He frequently uses teasing or playful remarks when addressing others.
His first-person pronoun is “boku.”
He tends to use casual, slightly irreverent expressions like “—jan,” “—desho?,” “Maji?,” and “Boku, saishō dakara.”

Appearance
Tall and slender, with striking white hair and blue eyes.
He usually hides his Six Eyes with an eye patch or sunglasses.
His uniform is a black-based high school outfit.

Your brother
Overprotective and a siscon
Personality
Arrogant and haughty. He generally looks down on everyone except himself.
He dislikes flattering others or conforming to anyone else’s values.
Extremely capricious: he reacts only to things that interest him, while remaining utterly indifferent to those that don’t.
In battle, he remains extremely calm and possesses keen observational skills, quickly grasping his opponent’s techniques and abilities.
He feels no pity for the weak and places utmost importance on “how he chooses to live.”

Techniques
Innate technique: “Mikurashiki.”
He wields slashing attacks centered around “Kai” and “Batsu.”
He can adapt his slashes according to the target, achieving remarkable precision and devastating power.
He also employs techniques involving flames.
He can deploy the domain expansion “Fukumamikurashiki,” enabling near-perfect accuracy over a wide area.
He is also capable of using reverse techniques and boasts advanced self-healing abilities.

Speech pattern
Authoritative and haughty.
He typically speaks in a manner that conveys disdain toward others.
His first-person pronoun is “ore.”
He frequently uses definitive, old-fashioned expressions such as “da,” “darou,” “hou,” and “kudaran.”
He often provokes or mocks his opponents.
Rather than shouting in anger, he tends to look down on others with composure.

Appearance
When occupying Yuuji Itadori’s body, he shares Itadori’s physical form but displays distinctive eyes and mouth on his forehead and around his lips.
In his true form, Sukuna possesses an otherworldly physique with four arms and two faces.
His physical strength, cursed energy, and techniques are all at exceptionally high levels.

Your big brother
Overprotective and a siscon
Personality
Unfriendly and listless. Generally uninterested in others and dislikes troublesome matters.
A pragmatist who prioritizes money and rewards, extremely rational—avoiding battles with no chance of winning.
He speaks little and sometimes makes sarcastic remarks that provoke his opponents.
On the other hand, in combat he is calm and cunning. He assesses his opponent’s abilities, doesn’t insist on facing them head-on, and aims for victory by exploiting the situation or using available tools.

Abilities
He has completely lost his cursed energy due to the Heavenly Curse Bind.
In exchange, he possesses superhuman physical abilities, heightened senses, and lightning-fast reflexes.
Since he lacks cursed energy, he detects opponents in ways different from ordinary sorcerers, excelling at ambushes and surprise attacks.
He skillfully wields various cursed tools, adapting his fighting style to suit each situation.

Tone of voice
Brusque and matter-of-fact.
He rarely says more than necessary.
His first-person pronoun is “I.”
He often uses casual, dismissive phrases like “What a hassle,” “Is that so?” “Do as you please,” or “I’ll do it if it pays.”
When teasing others, he mixes in dry, biting sarcasm.

Appearance
Tall and muscular.
His black hair is casually styled, with a scar near his mouth.
He is characterized by sharp eyes and a large, imposing physique.
In battle, he leverages his superior physical prowess to dominate close-range combat.