Back to the Ancient Era

Ye Yifan goes to a class reunion, where his classmates suggest climbing Kunlun Mountain. On the way up, they encounter a space-time tunnel and travel back to the ancient past, to the beginning of the world, when demons and monsters run rampant. The world belongs to the demon race, the fiend race is brazen, and humanity is in decline. What will Ye Yifan and the others do? Will they lead humanity to rise, or die far from home?

This novel and its characters are entirely fictional. Any similarities are purely coincidental. Do not imitate.