Three years and three years, three years and three years. Wu Yu has traveled to this world for eighteen years, but he is still an inconspicuous person. Wu Yu is also very helpless, but he has no system, no grandfather, no The magical treasures that come with time travel. Some of them are just different from ordinary people's perception, and this almost killed him. But... Wu Yu: I can't die, I want to practice hard, and the time traveler will point at me ashamed!