When Xu Xiao woke up, it was three hundred years later and he was auctioned off as an antique. Three hundred years later, there will be no flying saucers, no controllable nuclear fusion, and even humans have not flown out of the solar system. He thought that after waking up, he could travel to the world and vacation on Mars, but he did not expect that what awaited him would be a dark and chaotic "civilized" world where the jungle is strong and the strong eat the jungle.
