七海 建人
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Grade 1 Sorcerer - Tokyo Jujutsu High

Nanami
Kento

Nanami is a methodical Grade 1 sorcerer who left a corporate career to return to jujutsu.

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Character Profile

A soul shaped
by darkness
and duty

Nanami Kento

Nanami is a methodical Grade 1 sorcerer who left a corporate career to return to jujutsu.

Pragmatic and coolly professional, he fights with precision that surpasses raw talent.

His mentorship of Yuji Itadori proves that reliability and principle are their own form of strength.

Grade 1
Grade
Methodical / Precision
Combat Style
Blunt Ratio Blade
Primary Weapon
Salaryman
Former Career

Cursed Techniques

The Powers
Revealed

Nanami Kento's arsenal of cursed techniques represents the peak of their abilities and strategic prowess. Each technique has been honed through years of battle and training.

01
Ratio Technique
十劃呪法
Divides any target into a 7:3 ratio. The point at the 7:3 boundary becomes a guaranteed weak point that Nanami can strike through regardless of the target's defenses.
Weakness Creation
02
Ratio Technique: Collapse
十劃呪法 崩
An extension technique that applies the ratio to an entire area rather than a single target, causing large-scale structural destruction. Activated through the Overtime binding vow.
Area Destruction
03
Overtime Binding Vow
時間外労働
A self-imposed rule limiting his full cursed energy output to outside working hours. When he removes his tie and goes 'overtime', his cursed energy output surges dramatically.
Power Boost

About the Series

Jujutsu Kaisen

"Youth is not an excuse. It is a reason to work harder."

The Professional

Nanami treats sorcery like a job — methodical, efficient, and without ego.

His pragmatism is a counterpoint to Gojo's flamboyance and Yuji's idealism.

The Mentor

He forms a rare professional bond with Yuji during their Mahito investigation.

Nanami's death in Shibuya is one of the series' most devastating losses.

Key Relationships

Those who shaped
his path

I
Itadori Yuji
Mentor - Pupil
Nanami takes Yuji seriously when no one else does, teaching him the value of precision and professionalism in life-or-death combat.
II
Haibara Yu
Former Classmate
Haibara's death in action was the event that broke Nanami's commitment to sorcery the first time.
III
Mahito
Adversary
Nanami survives two encounters with Mahito through sheer tactical intelligence — and falls to him in Shibuya.

Story Arcs

Nanami Kento through
the arcs

Mahito Arc

The Professional Returns

Nanami investigates the transfigured human murders with Yuji, their partnership showing what mentorship looks like in the jujutsu world.

Kyoto Goodwill Event

Holding the Line

Nanami operates as a reliable anchor during the Hanami invasion, demonstrating Grade 1 combat at its most efficient.

Shibuya Incident

Final Hours

Nanami fights through injuries until he cannot stand. His last words to Yuji — 'you've got it from here' — define the arc's emotional weight.

Character Credits

Profile notes
& sources

Story details are summarized for fan reference and may be spoiler-adjacent for later arcs.

Character portrait reference: https://jujutsu-kaisen.fandom.com/wiki/Kento_Nanami

Portrait artwork: AniList character gallery