Unparalleled Son-In-Law: I Have Lived for Ten Thousand Years

One year as a son-in-law, another year as a servant, everyone laughed at me as a useless person who could be manipulated. But no one knows that I am in charge of the most mysterious force on this planet [Nine Heavens], and I am revered as Emperor Xuanyuan. No one would have thought that the seemingly absurd forbearance was only because I carried a secret that spanned thousands of years of time and space—I had lived in this world for a full ten thousand years.