Shuihan Ballad

People on earth accidentally traveled through time and discovered a series of incredible traces of the earth. Is this a place of exile or a place of experience? In order to explore the facts, Bai Yang had to pursue the road to immortality. What kind of bonds would be created when a stranger communicates with the indigenous people as a bystander? As the truth about time travel is revealed bit by bit, can the protagonist finally gain immortality and return to his beloved homeland, Earth...