Traveler Development System

Do you want to be a time traveler, or do you want to manage time travellers? Qu Luo chose nothing. But he was still thrown into a strange place and began an immortal legend of helping others conquer the world, mountains and rivers, and stepping on the sun, moon and stars. "Although I am not a time-traveler, all time-travelers are my younger brothers. Who of you dares to be so presumptuous!" …