After the "grey fog apocalypse" came, Zhou Mo, a former gold medal real estate agent, accidentally inherited a strange building called "Anxin Apartment". Rules are paramount in the apartment, no violence is allowed, and the rent is supreme. So Zhou Mo returned to his old business and became a charterer in the apocalypse. His clients include but are not limited to: human survivors, down-and-out cultivators, cowardly zombies, and all kinds of weird beings in need of psychological counseling. He relied on the mind of a profiteer and a clever mouth to continuously expand his "safe zone" business empire, but unknowingly, he was involved in a huge whirlpool of the truth about the world.
It goes too fast and lacks details.