The evil god appeared in the world, and the former leader of the demon clan sacrificed his soul to seal it. The demon clan had no leader. His son Qi Yan was expelled from the demon clan by the current leader of the demon clan (similar to being removed from the family, and would be eroded by the demonic energy). He was exiled to the junction of the world of immortality and the demon world. He was picked up by Qing Huaiyu, a guest sent by Lingfeng, and was later accepted as his disciple...
Hou Qi Yan died from the erosion of demonic energy, but was unexpectedly reborn...
Purpose: Use love as a lamp to lead the lost back home together