The Taoist Temple in the City Connects All Realms, and I Am the Only Immortal in the World.

In the most prosperous commercial district of Jiangcheng, a dilapidated Taoist temple has become a "nail house" that no one has been able to move for fifteen years. Twenty-three-year-old Lu Qingxuan is the only resident of this Taoist temple called "Taiwei" and the only boundary keeper. His daily life consists of eating instant noodles, sleeping in, walking chickens and fighting dogs... Until the ruthless emperor from the "Zhe Tian Realm" dragged a nine-dragon coffin and crashed into his backyard, just to ask for a life-extending medicine. Only then did Lu Qingxuan realize that there seemed to be something to the broken Taoist temple left behind by the old Heavenly Master. Every time on the seventh or fifteenth day of the lunar month, the heavy courtyard door rings. Behind the door are lost people from all heavens and worlds. His mission is not to conquer demons, but to— "Hello, Taiwei supports scanning QR code to pay. What service do you need? Guidance, explanation of doubts, or... Changing your life against the will of heaven?"