An accident in an experiment made Gu Yu's soul travel to the wild world. He was a human in his previous life, but he is a demon in this life. He was reborn with blood, and he was the ancestor of the demon who devoured the sky. He was the only one in the three worlds. [All the gods passing by, please click to collect, O(_)O~~] [Butcher book friends exchange group: 148305205 ​​Welcome everyone to join. 】