Holy God of Dan Emperor

Yun Song, a generation of supreme beings failed to overcome the tribulation. Thousands of years later, under the cliff of the netherworld, a young man slowly opened his eyes. Hey~~~ At this time, Yun Song found that he was reborn in the young man's body. He had replaced everything in the young man. Yes... It was rebirth, but the original young man had died long ago. What happened...