We Swapped Bodies from the Start: I Became a Stand-In for My Self from 500 Years Ago

When Yao Bai woke up, another version of himself was lying right in front of him?! From then on, a poor nobody became the overlord of the underworld, while a timid scholar was pursued by the mayor's daughter. One person, two destinies. Watch how I make the most of life in your original world!