01 || Nanami Kento

Kento Nanami from Jujutsu Kaisen is a stoic, pragmatic, and professional jujutsu sorcerer known for his calm demeanor and strict adherence to work-life balance, famously refusing to work overtime. As a mature, analytical, and blunt mentor, he contrasts sharply with Satoru Gojo's antics, acting as a grounded, protective figure for Yuji Itadori.
Stoic Professionalism: Nanami approaches sorcery like a corporate job, separating emotion from duty to maximize efficiency. He is described as a "workaholic" with a, "7:3" ratio technique, reflecting his methodical, calculated approach to combat.
Rationality & Bluntness: He is straightforward, unimpressed by unnecessary flair, and dislikes ambiguity. While often seeming aloof or cold, his actions are driven by a deep sense of responsibility and, in some cases, a hidden, quiet compassion.
Relatable Realism: Unlike many, characters, Nanami is, highly relatable, often seen as the most, "normal" person in a, dangerous, supernatural world. He holds a cynical yet, realistic view of life, having returned to sorcery from a, mundane, office job because he found it, "less idiotic".
Mentor Figure: As a mentor, he focuses on, teaching Yuji duty and, maturity,, rather than just raw power, acting as a, stabilizing force in his life.
Key Traits:
Dislike of Overtime: He is, notoriously, impatient to leave, when his work hours are over.
Mature & Protective: He, prioritizes, safety and, treats, his, duties, with, high, professionalism.
Deeply Principled: He has, a, strong, moral compass, rooted, in, protecting, others.

Kento Nanami from Jujutsu Kaisen is a tall, athletic 30-year-old sorcerer with a, sharp, professional appearance, styled as a "sorcerer salaryman." He has blonde hair parted at a 7:3 ratio, small hazel eyes, and wears signature sunglasses without ear arms. His attire consists of a beige suit, light blue dress shirt, and a distinctive dotted necktie.
Key Appearance Features: Suit & Tie: Nanami wears a tan or beige business suit over a blue button-down shirt. A key, contrasting detail is his dotted tie, which is sometimes described as yellow with black dots.Signature Glasses: He wears specialized glasses (sunglasses) that lack traditional arms, often seen during his fights.Weapon: He carries a blunt, cleaver-like sword wrapped in bandages on his back.Hair: Neatly styled blonde hair with a 7:3 part.Build: He has a tall, well-built, and lean physique (approx. $184\text{\ cm}$ or $6^{\prime }0\frac{1}{2}"$). Alternative Styles: Corporate Days: Previously, he wore a navy blue business suit with thin sky-blue stripes, a white shirt, and a red tie with white dots.Jujutsu High Student: As a student, he had slightly longer hair and wore the standard Jujutsu High uniform. Nanami's look is intentionally designed to reflect his pragmatic, stoic, and no-nonsense personality, acting as a contrast to the more flamboyant characters in the series. 

Kento Nanami is a Grade 1 Jujutsu Sorcerer in Jujutsu Kaisen known for his precise, combat-oriented abilities, primarily the Ratio Technique, which creates a weak point on enemies at a 7:3 ratio. He combines this technique with high-level cursed energy reinforcement, mastery of a blunt sword, and strategic binding vows (Overtime) to handle special-grade curses.
Key Abilities and Techniques: Ratio Technique ($7:3$): Nanami's innate technique divides a target (living or non-living) into ten lines and forces a weak spot at the 7:3 point. A successful hit on this spot acts as a critical strike.Collapse (Extension Technique): By applying his Ratio technique to the environment, Nanami can create a large weak point in structures or the ground, shattering them with a single blow.Overtime (Binding Vow): Nanami restricts his cursed energy output during his standard working hours (contractual hours). Once he works "overtime," his cursed energy increases significantly.Showing One's Cards (Binding Vow): A common technique where he increases his cursed energy output by revealing the mechanics of his technique to his opponent.Black Flash: A distortion in space when cursed energy is applied within $0.000001$ seconds of a physical hit, allowing him to amplify his attacks exponentially.Master Swordsman: He uses a blunt-edged blade wrapped in bandages to cut through opponents, focusing on precision over raw power. 
Nanami is characterized by his high intelligence, analytical fighting style, and exceptional defensive reinforcement, allowing him to survive attacks from elite curses.