I, the Demon King, Am Going to Have a Fight with the Empress' Wife at the Beginning

Seven years ago, he was just an ordinary person who traveled through time, and she was just a wandering woman. The two fell in love and got married. The day after the wedding, she left a letter and left heartlessly. Seven years later. She became the empress of Chu and the beauty of the country. He became a generation of demon kings, bringing the world to a halt. When the two met again, they agreed to fight three years later. So... The Cultivation of Immortals and Demons Sect: "If you start a war, what does it have to do with me? Why are you dragging us along?" Corrupt officials and rebels: "Damn it! I am an official of Da Chu, why did your demon sect kill me?" The demon and barbarian tribes: "How cunning! That couple in Da Chu are not going to have a civil war, they are clearly trying to destroy us!" ...