The title was chosen casually, so don't delve into the meaning. It doesn't exist at all (hey)
The current settings are based on those that appear in the first 10 single books. The subsequent plots may contain the author's subjective conjectures, and there will definitely be fictional settings and plots that deviate from the original work, so if you can't accept it, don't read it orz.
(If you can guess anything right, Isayama Hajime-sensei, I will be your spiritual friend!)
If there are no questions, please continue reading below.