Hiroshi Seko

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Credits
36 titles

Projects in Development (1 title)	Budget
Gachiakuta (2025– ) (TV Series) - Writer (composition) Writer (composition) See fewer

Films in Production (1 title)	Budget	Status
Chainsaw Man - The Movie: Reze Arc Writer (screenplay) Writer (screenplay) See fewer		Filming

Television in Production (1 title)	Episodes	Status
Dandadan (2024) (TV Series) - Writer (composition) (1 episode, 2024) Writer (composition) (1 episode, 2024) See fewer Released Episode #1.1 (Oct 3, 2024) Season 1, Episode 1 - Writer (composition) Writer (composition) See fewer	1

Past Film & Video (6 titles)	Opening Weekend	Gross (US & Canada)	Gross (Worldwide)
Dan Da Dan: First Encounter (2024) Writer (composition) Writer (composition) See fewer			$103K
Jujutsu Kaisen 0 (2021) Writer (screenplay) Writer (screenplay) See fewer	$18MM	$35MM	$167MM
Saezuru Tori Wa Habatakanai: The Clouds Gather (2020) Writer Writer See fewer			$52K
Ajin: Demi-Human (2017) Writer Writer See fewer			$11MM
The Empire of Corpses (2015) Writer (screenplay) Writer (screenplay) See fewer			$43K
Attack on Titan: Crimson Bow and Arrow (2014) Writer (screenplay) (as Koji Seko) Writer (screenplay) (as Koji Seko) See fewer			$159K

Past Television (27 titles)	Episodes
Dandadan (2024) (TV Series) - Writer (composition) (2 episodes, 2024) Writer (composition) (2 episodes, 2024) See fewer Episode #1.3 (Sep 13, 2024) Season 1, Episode 3 - Writer (composition) Writer (composition) See fewer Episode #1.2 (Sep 13, 2024) Season 1, Episode 2 - Writer (composition) Writer (composition) See fewer	2
Wind Breaker (2024) (TV Series) - Writer (13 episodes, 2024) Writer (13 episodes, 2024) See fewer For A Friend (Jun 28, 2024) Season 1, Episode 13 - Writer Writer See fewer See more See fewer Loading	13
Jujutsu Kaisen (2020–2023) (TV Series) - Writer (screenplay) (26 episodes, 2020), Writer (2 episodes, 2023), Writer (script) (1 episode, 2023) Writer (screenplay) (26 episodes, 2020), Writer (2 episodes, 2023), Writer (script) (1 episode, 2023) See fewer Right and Wrong - Part 3 (Dec 7, 2023) Season 2, Episode 20 - Writer (screenplay) Writer (screenplay) See fewer See more See fewer Loading	29
Attack on Titan (2013–2023) (TV Series) - Writer (screenplay) (29 episodes, 2017), Writer (12 episodes, 2013), Writer (script) (8 episodes, 2017), Writer (3 episodes, 2017), Script Supervisor (1 episode, 2021), … See more Writer (screenplay) (29 episodes, 2017), Writer (12 episodes, 2013), Writer (script) (8 episodes, 2017), Writer (3 episodes, 2017), Script Supervisor (1 episode, 2021), Writer (composition) (1 episode, 2020), Writer (series composition) (1 episode, 2020) See fewer The Final Chapters: Special 2 (Nov 4, 2023) Season 4, Episode 30 - Writer (script) Writer (script) See fewer See more See fewer Loading	50
Gamera: Rebirth (2023– ) (TV Series) - Writer Writer See fewer
Zom 100: Bucket List of the Dead (2023) (TV 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) - Writer (screenplay) (12 episodes, 2022) Writer (screenplay) (12 episodes, 2022) See fewer Katana vs. Chainsaw (Jan 18, 2023) Season 1, Episode 12 - Writer (screenplay) Writer (screenplay) See fewer See more See fewer Loading	12
Mob Psycho 100 (2016–2022) (TV Series) - Writer (screenplay) (37 episodes, 2016), Writer (script) (37 episodes, 2016), Writer (20 episodes, 2016) Writer (screenplay) (37 episodes, 2016), Writer (script) (37 episodes, 2016), Writer (20 episodes, 2016) See fewer Confession ~The Future~ (Dec 21, 2022) Season 3, Episode 12 - Writer , Writer (screenplay), Writer (script) Writer , Writer (screenplay), Writer (script) See fewer See more See fewer Loading	37
Spriggan (2022) (TV Series) - Writer (script) (6 episodes, 2022) Writer (script) (6 episodes, 2022) See fewer The Forgotten Kingdom (Jun 18, 2022) Season 1, Episode 6 - Writer (script) Writer (script) 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 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) - Writer (4 episodes, 2018) Writer (4 episodes, 2018) See fewer A New World (Jun 9, 2018) Season 1, Episode 20 - Writer Writer See fewer See more See fewer Loading	4
Legend of the Galactic Heroes: Die Neue These (2018) (TV Series) - Writer (script) (1 episode, 2018) Writer (script) (1 episode, 2018) See fewer The Capture of Iserlohn: Part 2 (May 15, 2018) Season 1, Episode 7 - Writer (script) Writer (script) See fewer	1
Inuyashiki (2017) (TV Mini-series) - Writer (screenplay) (11 episodes, 2017), Writer (1 episode, 2017) Writer (screenplay) (11 episodes, 2017), Writer (1 episode, 2017) See fewer Chikyu no Hito-tach (Dec 21, 2017) Season 1, Episode 11 - Writer (screenplay) Writer (screenplay) See fewer See more See fewer Loading	11
Kakegurui (2017) (TV Series) - Writer (screenplay) (4 episodes, 2017) Writer (screenplay) (4 episodes, 2017) See fewer The Woman Who Bets Her Life (Sep 16, 2017) Season 1, Episode 11 - Writer (screenplay) Writer (screenplay) See fewer See more See fewer Loading	4
Kabaneri of the Iron Fortress (2016) (TV Series) - Writer (screenplay) (2 episodes, 2016) Writer (screenplay) (2 episodes, 2016) See fewer The Attacking Weak (Jun 17, 2016) Season 1, Episode 10 - Writer (screenplay) Writer (screenplay) See fewer Inescapable Darkness (May 13, 2016) Season 1, Episode 5 - Writer (screenplay) Writer (screenplay) See fewer	2
Ajin (2016) (TV Series) - Writer (screenplay) (3 episodes, 2016) Writer (screenplay) (3 episodes, 2016) See fewer Sato, It's All Your Fault! (Apr 9, 2016) Season 1, Episode 13 - Writer (screenplay) Writer (screenplay) See fewer See more See fewer Loading	3
Attack on Titan: Junior High (2015) (TV Mini-series) - Writer Writer See fewer
Seraph of the End (2015) (TV Series) - Writer Writer See fewer
Terror in Resonance (2014) (TV Mini-series) - Writer (teleplay) (3 episodes, 2014) Writer (teleplay) (3 episodes, 2014) See fewer VON (Sep 25, 2014) Season 1, Episode 11 - Writer (teleplay) Writer (teleplay) See fewer See more See fewer Loading	3
KILL la KILL (2013) (TV Series) - Writer (script) (1 episode, 2013) Writer (script) (1 episode, 2013) See fewer Hikigane (Mar 8, 2015) Season 1, Episode 5 - Writer (script) Writer (script) See fewer	1
Panty & Stocking with Garterbelt (2010) (TV Series) - Writer (screenplay) (3 episodes, 2010), Writer (1 episode, 2010) Writer (screenplay) (3 episodes, 2010), Writer (1 episode, 2010) See fewer D.C. konfidensharu/pantei + buriifu (Dec 17, 2010) Season 1, Episode 12 - Writer (screenplay) (segments: D.C. Confidential) Writer (screenplay) (segments: 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 Bust Through the Heavens with Your Drill!! (Apr 1, 2007) Season 1, Episode 1 - Coordinator Coordinator See fewer	1