Little Armadry suffered revenge from his father's enemies when he was still in the womb, causing him to almost die after birth. Xue Nu's mother also knew that she would not live long, so she asked Little Armadry's father, a powerful wizard with magic, to use his three souls and seven souls to save Little Armadry. As a last resort, Armadry's father could only fulfill the last wish of his beloved wife, but who knew the adult's physical strength and the child's Their bodies could not be integrated together, and it was imminent. The ancient mythical beast saved on the way melted into the body of Huanlu at the critical moment, and therefore the name on the life and death book disappeared, turning into an immortal demon boy. Due to an accident, he slept for thousands of years, until a high school boy in the 21st century found him in a sleeping tree deep in the forest, and everything changed...