Hiroshi Seko

is a Japanese anime screenwriter. After serving as an episode screenwriter, he was given the role of head screenwriter for Seraph of the End. Since then, he has done screenwriting for many other series, such as critically acclaimed titles Attack on Titan, Mob Psycho 100, Vinland Saga, Jujutsu Kaisen, and Chainsaw Man. He frequently collaborates with Wit Studio and MAPPA.

Biography Hiroshi Seko was born in Nagoya, Japan. After doing episode scripts for Panty & Stocking with Garterbelt, Attack on Titan and Terror in Resonance, Seko was put in charge of doing all the screenwriting in the anime adaptation of Seraph of the End. Seko also wrote the Attack on Titan: Lost Girls novel. In 2016, Seko did the screenwriting for the anime adaptation of Mob Psycho 100, which was nominated for Anime of the Year and won the award for Best Action at the Crunchyroll's inaugural Anime Awards.

In 2019, he did the screenwriting for the anime adaptation of Vinland Saga and the second season of Mob Psycho 100, both of which were nominated for Anime of the Year at the 4th Crunchyroll Anime Awards. Vinland Saga won the award for Best Drama. In 2020, he did the screenwriting for Jujutsu Kaisen and Dorohedoro. At the 5th Crunchyroll Anime Awards, the former won Anime of the Year, while the latter was nominated for the same top prize and Best Fantasy.

Works Television series (2010) (episode screenwriter) (2014) (episode screenwriter) (2016–2023) (screenwriter) Banana Fish (2018) (screenwriter) (2019–2023) (screenwriter) (2020–) (screenwriter) (2022) (screenwriter) (2022) (screenwriter) (2023) (screenwriter) Wind Breaker (2024–2025) (screenwriter) (2024–) (screenwriter) (2025–) (screenwriter) (2026) (screenwriter) (2026) (screenwriter) (2026) (screenwriter)

Original net animations (2019) (screenwriter) (2022) (screenwriter) (2023) (screenwriter) Star Wars: Visions (2025) (episode screenwriter, episode "The Bounty Hunters")

Films (2015) (screenplay) (live-action) (2017) (screenwriter) (2021) (screenwriter) (2025) (screenwriter)

Novels (2014)