Li Shengyu, emperor of the Li Dynasty, had been on the throne for only three days when someone poisoned his imperial wine. At the critical moment, he recited a spell to separate his soul from his body, sending it into the boundless void. After wandering there for countless years, a chance occurrence brought Li Shengyu's soul to Li Tianhao, a delivery rider who had just been in a car accident. And so Emperor Li Shengyu became delivery rider Li Tianhao. Later, while making deliveries, he encountered King Yama and Horse Face, who recruited him into the Supernatural Headquarters, jointly established by the underworld and the human authorities. He became a supernatural warrior, tasked with hunting down the demons who had escaped from the underworld into the human world. And so, an extraordinary story began...
