The seventh floor underground is the cage, the third floor is the buffer zone, and the eighth floor is the lock.
Ji Chuan lived in the sewers for twenty years, living on expired cans and rats. Until he picked up a metal disc with "E7" engraved on it, and the voice of a dead administrator came from inside:
——"There is no gray fog on the ground at all. That is a scam."
Behind the iron gate are the steps leading to the truth.
But the final piece of the truth is not a password, not a key - it's a person.
A person who is hidden on the seventh floor and even she has forgotten who she is.
Come on, write it down