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. Provided by Wikipedia