Attack on Titan creator has no intention for sequel anime or manga

Hajime Isayama, the creator of anime series Attack on Titan, has commented that once the finale has been released, he won't be doing a follow-up

Attack on Titan creator explains why the anime didn't have a happy ending

AOT, ANIME AND KPOP FANS ONLY Wiki

Attack on Titan Author Has 'No Plans' for Spin-offs, 'Something' for Levi

Is there is any chance that manga of AOT is going to continue after 139.5 chapter or a next part will come with another name? - Quora

Attack on Titan: Season Two [Blu-ray] : Bryce Papenbrook, Josh Grelle, Trina Nishimura, Ashly Burch, Bryn Apprill, Clifford Chapin, David Matranga, David Wald, Elizabeth Maxwell, J. Michael Tatum, Jason Liebrecht, Jessica

Vinland Saga and Attack on Titan Authors Talk About Manga, Anime, Overseas Reception and More

Hajime Isayama plans to direct a NEW story: “It hasn't been announced yet. But there is talk of me doing something 8 or 16 pages. I don't assure you that I will

Attack on Titan - Wikipedia

Popular anime series “Attack on Titan” is finally coming to an end – THE FEATHERDUSTER

Attack On Titan: 10 Things The Anime Should Do To Change The Manga's Ending