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Writing

Hiroshi Seko

Born Jan. 1, 1981
Nagoya, Aichi, Japan
45 years old

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

50 titles
49 Writing
1 Crew

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Writing (49)

Attack on Titan (2013)

Series Composition

JUJUTSU KAISEN (2020)

Series Composition

Chainsaw Man (2022)

Series Composition

DARLING in the FRANXX (2018)

Jujutsu Kaisen 0 (2021)

Screenplay

Kakegurui (2017)

Mob Psycho 100 (2016)

Series Composition

Chainsaw Man - The Movie: Reze Arc (2025)

Screenplay

Vinland Saga (2019)

Series Composition

Dan Da Dan (2024)

Series Composition

Banana Fish (2018)

Series Composition / Screenplay

Kill la Kill (2013)

Star Wars: Visions (2021)

Terror in Resonance (2014)

Seraph of the End (2015)

Series Composition

Dorohedoro (2020)

Series Composition

Ajin (2016)

Series Composition

Gachiakuta (2025)

Series Composition

Inuyashiki (2017)

Series Composition

Attack on Titan: THE LAST ATTACK (2024)

Screenplay

Kabaneri of the Iron Fortress (2016)

Zom 100: Bucket List of the Dead (2023)

Series Composition

Witch Hat Atelier (2026)

Series Composition

Summer Time Rendering (2022)

Series Composition

Show all (49)

WIND BREAKER (2024)

Series Composition

Deca-Dence (2020)

Series Composition

Ajin: Demi-Human (2017)

JUJUTSU KAISEN: Hidden Inventory / Premature Death - The Movie (2025)

Series Composition

The Empire of Corpses (2015)

Screenplay

JUJUTSU KAISEN: Execution (2025)

Series Composition / Screenplay

Panty & Stocking with Garterbelt (2010)

Scenario Writer

The Legend of the Galactic Heroes: Die Neue These (2018)

SPRIGGAN (2022)

Series Composition

Ajin: Demi-Human – Compel (2015)

Series Composition / Screenplay

The Idaten Deities Know Only Peace (2021)

Series Composition

Levius (2019)

Series Composition

GAMERA -Rebirth- (2023)

Series Composition

Twittering Birds Never Fly: The Clouds Gather (2020)

Screenplay

DAN DA DAN: Evil Eye (2025)

Series Composition

DAN DA DAN: First Encounter (2024)

Series Composition

Ajin: Demi-Human – Confront (2016)

Series Composition / Screenplay

Ajin: Demi-Human – Collide (2016)

Series Composition / Screenplay

Twittering Birds Never Fly: Don't Stay Gold (2021)

Screenplay

Thunder 3 (2026)

Series Composition / Screenplay

Japan Animator Expo (2014)

Mob Psycho 100 (2016)

Chainsaw Man - Assassins Arc

Crunchyroll Anime Nights - Mob Psycho 100 (2026)

Series Composition / Screenplay

Nue's Exorcist

Series Composition

Crew (1)

Rooster Fighter (2026)

Script