The cold and cunning Demon King Ling Xiao and the glorious fairy Su Miaoran both died together and were both forcibly bound by an unscrupulous [CP system]. From then on, the two mortal enemies were forced to start a life of "Taoist lovers".
On the surface, they are a couple of gods who work together to crush their peers and become famous in Kyushu, but secretly they are working together to investigate the truth about their past lives. They gradually discovered that the so-called battle between good and evil and the path to ascension they were pursuing were actually an eternal scam that drew on the origin of this world.
From killing each other to falling in love, from suspicion to entrusting life and death. In the end, the demon king who once destroyed the three realms learned to protect her, and the fairy who once abided by the dogma learned how to adapt to her. They will sacrifice themselves, not to ascend, but to reset the world and open up a new way of life for the common people.