A good book needs no introduction!
(I can't make it up)
In short, this is it: In order to find out the truth, the natives who were led astray by the time-travelers lurked in various sects as undercover agents while hiding behind the scenes and causing crazy troubles.
[Instructions for consumption]
There are many private facilities——
There is no such thing as "a day in the sky and a year on the earth";
The netherworld returns to the fairy world;
Master is not dead.
Purpose: No matter how hard or tired you are, you will never be a loser, just do things here and there to find a way out.