Gene Customization System

"Survival of the fittest, survival of the fittest, this is the secret of evolution..." A car accident and a rescue allowed ordinary Yu Lin to travel through various worlds and enter the process of self-evolution. Will he continue his ordinary life for more than ten years and survive the story to the end? Or, like that moment when the car came, stand up and rewrite the tragic world? "Of course the more exciting the story, the better. I would rather be a dragon than live as a bug." Yu Lin stepped into the next world in a white light...