Mysterious Token

After graduating, budget traveler Chu Yang visited an ancient tomb and stumbled upon an old token. But he was accidentally pulled into a time tunnel and arrived in a world thirty thousand years in the past, where technology and artificial intelligence were as advanced as they are today. What followed was a series of bizarre experiences: discovering his roots, an alien invasion, and Earth facing a life-or-death choice. What fate awaits Earth? What will become of Chu Yang and the rest of humanity? The story will reveal the answer...