Buddha said, one flower is one world, one leaf is one Bodhi. Zhuangzi said, I don’t know Zhou’s dream is butterfly and butterfly dream is Zhou and? There is never only one world. How do you know that the world in the book is not the real world? .Bai Xuan took the system to travel to the world of the boy Gexing, let's see how he left his own legend in this world.