As a time traveler, Lin Xiao has no golden fingers and no built-in system. In the beginning, Lin Xiao lived a completely self-destructive life, indifferent to everything in this world, and even had an indifferent attitude! But when he accidentally discovered the "truth" of this world, he held the hope of traveling back to the original world and returning to his grandmother. Relying on the knowledge reserves in his previous life, he brought a series of unheard-of inventions to the world, such as perfume and gunpowder! Did he invent these things just to accumulate wealth? What is the "truth" of this world? How many hardships will Lin Xiao go through if he wants to travel back to his original world? Will he succeed?
