Taking the Demon Lord and God Emperor as a Crazy Son-In-Law

The demon king in the previous life and the god emperor in the future are omnipotent in the city and unrivaled. He dares to point at the world's richest people and say, "Don't mess with me," and I will make you bankrupt in a minute. He dares to point at the ancient martial arts practitioners and say, "Don't mess with me, and I can send you to the West in a minute."