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.
Hiroshi Seko was born in Nagoya, Japan.
[1] 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.
[2] Seko also wrote the Attack on Titan: Lost Girls novel.