Hiroshi Seko

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Credits
41 titles

Television in Production (1 title)	Episodes	Status
Jujutsu Kaisen (2026) (TV Series) - Writer (1 episode, 2026) Writer (1 episode, 2026) See fewer — Episode #3.1 (Jan 2026) Season 3, Episode 1 - Writer Writer See fewer	1

Past Film & Video (11 titles)	Opening Weekend	Gross (US & Canada)	Gross (Worldwide)
Jujutsu Kaisen: Execution (2025) Composition Composition See fewer	$10MM	$16MM	$41MM
Chainsaw Man - The Movie: Reze Arc (2025) Screenplay Screenplay See fewer	$18MM	$43MM	$158MM
Dan Da Dan: Evil Eye (2025) Writer Writer See fewer	$3.2MM	$5.6MM	$6.9MM
Jujutsu Kaisen: Hidden Inventory / Premature Death - The Movie (2025) Screenplay Screenplay See fewer	$443K	$3.3MM	$9.4MM
Dan Da Dan: First Encounter (2024) Composition Composition See fewer			$103K
Jujutsu Kaisen 0 (2021) Screenplay Screenplay See fewer	$18MM	$35MM	$167MM
Saezuru Tori wa Habatakanai: Don't Stay Gold (2021) (Short) - Screenplay Screenplay See fewer
Saezuru Tori Wa Habatakanai: The Clouds Gather (2020) Screenplay Screenplay See fewer			$52K
Ajin: Demi-Human (2017) Writer Writer See fewer			$11MM
The Empire of Corpses (2015) Screenplay Screenplay See fewer			$43K
Attack on Titan: Crimson Bow and Arrow (2014) Screenplay (as Koji Seko) Screenplay (as Koji Seko) See fewer			$159K

See all past film & video

Past Television (29 titles)	Episodes
Star Wars: Visions (2025) (TV Series) - Written By (1 episode, 2025) Written By (1 episode, 2025) See fewer The Bounty Hunters (Oct 29, 2025) Season 3, Episode 4 - Written By Written By See fewer	1
Gachiakuta (2025) (TV Series) - Series Composition (2 episodes, 2025), Screenplay (1 episode, 2025) Series Composition (2 episodes, 2025), Screenplay (1 episode, 2025) See fewer Yadori-mono (Jul 13, 2025) Season 1, Episode 2 - Series Composition, Screenplay Series Composition, Screenplay See fewer Tenkai (Jul 6, 2025) Season 1, Episode 1 - Series Composition Series Composition See fewer	2
Dandadan (2024) (TV Series) - Composition (12 episodes, 2024) Composition (12 episodes, 2024) See fewer Noroi no ie e rettsu gô (Dec 19, 2024) Season 1, Episode 12 - Composition Composition See fewer See more See fewer Loading	12
Wind Breaker (2024) (TV Series) - Writer (13 episodes, 2024) Writer (13 episodes, 2024) See fewer For A Friend (Jun 27, 2024) Season 1, Episode 13 - Writer Writer See fewer See more See fewer Loading	13
Jujutsu Kaisen (2020–2023) (TV Series) - Screenplay (26 episodes, 2020), Script (1 episode, 2023), Writer (2 episodes, 2023), Series Composition (8 episodes, 2020) Screenplay (26 episodes, 2020), Script (1 episode, 2023), Writer (2 episodes, 2023), Series Composition (8 episodes, 2020) See fewer Right and Wrong - Part 3 (Dec 7, 2023) Season 2, Episode 20 - Screenplay Screenplay See fewer See more See fewer Loading	29
Attack on Titan (2013–2023) (TV Series) - Writer (as Koji Seko) (12 episodes, 2013), Script (8 episodes, 2017), Screenplay (29 episodes, 2017), Composition (1 episode, 2020), Series Composition (1 episode, 2020), … See more Writer (as Koji Seko) (12 episodes, 2013), Script (8 episodes, 2017), Screenplay (29 episodes, 2017), Composition (1 episode, 2020), Series Composition (1 episode, 2020), Writer (3 episodes, 2017), Script Supervisor (1 episode, 2021) See fewer The Final Chapters: Special 2 (Nov 4, 2023) Season 4, Episode 30 - Script Script See fewer See more See fewer Loading	50
Gamera: Rebirth (TV Series) - Writer Writer See fewer
Zom 100: Bucket List of the Dead (2023) (TV Mini-series) - Writer (3 episodes, 2023) Writer (3 episodes, 2023) See fewer Best Friend of the Dead (Jul 23, 2023) Season 1, Episode 3 - Writer Writer See fewer See more See fewer Loading	3
Chainsaw Man (2022) (TV Series) - Screenplay (12 episodes, 2022) Screenplay (12 episodes, 2022) See fewer Katana vs. Chainsaw (Jan 18, 2023) Season 1, Episode 12 - Screenplay Screenplay See fewer See more See fewer Loading	12
Mob Psycho 100 (2016–2022) (TV Series) - Screenplay (37 episodes, 2016), Script (37 episodes, 2016), Writer (20 episodes, 2016) Screenplay (37 episodes, 2016), Script (37 episodes, 2016), Writer (20 episodes, 2016) See fewer Confession ~The Future~ (Dec 21, 2022) Season 3, Episode 12 - Screenplay, Script, Writer Screenplay, Script, Writer See fewer See more See fewer Loading	37
Spriggan (2022) (TV Mini-series) - Composition (6 episodes, 2022), Screenplay (6 episodes, 2022) Composition (6 episodes, 2022), Screenplay (6 episodes, 2022) See fewer The Forgotten Kingdom (Jun 18, 2022) Season 1, Episode 6 - Composition, Screenplay Composition, Screenplay See fewer See more See fewer Loading	6
Summer Time Rendering (2022) (TV Series) - Writer (1 episode, 2022) Writer (1 episode, 2022) See fewer Goodbye, Summer Days (Apr 15, 2022) Season 1, Episode 1 - Writer Writer See fewer	1
Deca-Dence (2020) (TV Mini-series) - Writer (12 episodes, 2020) Writer (12 episodes, 2020) See fewer Decadence (Sep 23, 2020) Season 1, Episode 12 - Writer Writer See fewer See more See fewer Loading	12
Dorohedoro (2020) (TV Series) - Writer (12 episodes, 2020) Writer (12 episodes, 2020) See fewer Omoide School Days/Boy Meets Girl... And Fights!/Yubikiri genman (Mar 30, 2020) Season 1, Episode 12 - Writer Writer See fewer See more See fewer Loading	12
Banana Fish (2018) (TV Series) - Writer (24 episodes, 2018) Writer (24 episodes, 2018) See fewer The Catcher in the Rye (Dec 19, 2018) Season 1, Episode 24 - Writer Writer See fewer See more See fewer Loading	24
Mob Psycho 100 Reigen: The Miraculous Unknown Psychic (2018) (TV Movie) - Writer Writer See fewer
Darling in the Franxx (2018) (TV Series) - Teleplay (4 episodes, 2018) Teleplay (4 episodes, 2018) See fewer Stargazers (Jun 23, 2018) Season 1, Episode 22 - Teleplay Teleplay See fewer See more See fewer Loading	4
Legend of the Galactic Heroes: Die Neue These (2018) (TV Series) - Script (1 episode, 2018) Script (1 episode, 2018) See fewer The Capture of Iserlohn: Part 2 (May 15, 2018) Season 1, Episode 7 - Script Script See fewer	1
Inuyashiki (2017) (TV Mini-series) - Screenplay (11 episodes, 2017), Writer (1 episode, 2017) Screenplay (11 episodes, 2017), Writer (1 episode, 2017) See fewer Chikyu no Hito-tach (Dec 21, 2017) Season 1, Episode 11 - Screenplay Screenplay See fewer See more See fewer Loading	11
Kakegurui (2017) (TV Series) - Screenplay (4 episodes, 2017) Screenplay (4 episodes, 2017) See fewer The Woman Who Bets Her Life (Sep 16, 2017) Season 1, Episode 11 - Screenplay Screenplay See fewer See more See fewer Loading	4
Kabaneri of the Iron Fortress (2016) (TV Series) - Screenplay (2 episodes, 2016) Screenplay (2 episodes, 2016) See fewer The Attacking Weak (Jun 17, 2016) Season 1, Episode 10 - Screenplay Screenplay See fewer Inescapable Darkness (May 13, 2016) Season 1, Episode 5 - Screenplay Screenplay See fewer	2
Ajin (2016) (TV Series) - Screenplay (3 episodes, 2016) Screenplay (3 episodes, 2016) See fewer Sato, It's All Your Fault! (Apr 9, 2016) Season 1, Episode 13 - Screenplay Screenplay See fewer See more See fewer Loading	3
Attack on Titan: Junior High (TV Mini-series) - Writer (as Koji Seko) Writer (as Koji Seko) See fewer
Seraph of the End (TV Series) - Writer Writer See fewer
Terror in Resonance (2014) (TV Mini-series) - Teleplay (3 episodes, 2014) Teleplay (3 episodes, 2014) See fewer VON (Sep 25, 2014) Season 1, Episode 11 - Teleplay Teleplay See fewer See more See fewer Loading	3
KILL la KILL (2013) (TV Series) - Script (1 episode, 2013) Script (1 episode, 2013) See fewer Hikigane (Mar 8, 2015) Season 1, Episode 5 - Script Script See fewer	1
Panty & Stocking with Garterbelt (2010) (TV Series) - Screenplay (3 episodes, 2010), Writer (segment "...Of the Dead") (1 episode, 2010) Screenplay (3 episodes, 2010), Writer (segment "...Of the Dead") (1 episode, 2010) See fewer D.C. konfidensharu/pantei + buriifu (Dec 17, 2010) Season 1, Episode 12 - Screenplay (segment "D.C. Confidential") Screenplay (segment "D.C. Confidential") See fewer See more See fewer Loading	4
Corpse Princess: Aka (2008) (TV Series) - Production Assistant (1 episode, 2008) Production Assistant (1 episode, 2008) See fewer Shi ga mau (Oct 2, 2008) Season 1, Episode 1 - Production Assistant Production Assistant See fewer	1
Gurren Lagann (2007) (TV Series) - Coordinator (1 episode, 2007) Coordinator (1 episode, 2007) See fewer Omae no doriru de ten o tsuke!! (Apr 1, 2007) Season 1, Episode 1 - Coordinator Coordinator See fewer	1