An interview was conducted with the editor of the Attack On Titan manga , Shintaro Kawakubo , where he revealed some details about the planning after the end of the work and the future of Haijime Isayama (author of the work) as a mangaka.
Unfortunately for some, Shintaro Kawakubo claims that the author rules out producing a sequel, check out the words said by the editor during the interview:
"There's no reason for there to be any sequel or spin-off. We've heard many requests from fans for this, but we regret to inform you that it's not possible. In fact, Isayama is quite exhausted right now, so even his next serialization remains uncertain."
