As a 25-year-old unemployed young man in the 21st century, Xu Ye fell between the cliffs and was looking for a way out of the cave. It seemed as if he had experienced the past and present, and stepped into time and space. When he slowly woke up, he found that he had become a 12- or 13-year-old boy. He looked up at the sky and saw that the eternal moon had turned into seven, hanging like seven stars in a row among the stars. The bright light made the stars in the sky serve as a backdrop.
