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Writer

Hiroshi Seko

Popular films

Jujutsu Kaisen 02021
Chainsaw Man - The Movie: Reze Arc2025
Attack on Titan: THE LAST ATTACK2024
Ajin: Demi-Human2017

About Hiroshi Seko

Known for: Writing
Born: January 1, 1981 (age 45)
Birthplace: Nagoya, Aichi, Japan

Hiroshi Seko (瀬古浩司, Seko Hiroshi) is a Japanese animation-oriented screenwriter.

Also credited as

Kouji Seko, Koji Seko, Kōji Seko, 瀬古浩司

Filmography

JUJUTSU KAISEN: Execution2025Series Composition / Screenplay

Chainsaw Man - The Movie: Reze Arc2025Screenplay
JUJUTSU KAISEN: Hidden Inventory / Premature Death - The Movie2025Series Composition / Writer
Attack on Titan: THE LAST ATTACK2024Screenplay
Jujutsu Kaisen 02021Screenplay
Twittering Birds Never Fly: Don't Stay Gold2021Screenplay
Twittering Birds Never Fly: The Clouds Gather2020Screenplay
Ajin: Demi-Human2017Writer
Ajin: Demi-Human – Collide2016Series Composition / Screenplay
Mob Psycho 1002016Writer
Ajin: Demi-Human – Confront2016Series Composition / Screenplay
Ajin: Demi-Human – Compel2015Series Composition
The Empire of Corpses2015Screenplay
Chainsaw Man - Assassins ArcYear unavailableWriter