I'm the Only One Left in the World

Lin Nan got a system that can travel through three thousand small worlds. Only by completing the task of "he is the only one left in the world" can he return to the original world. I thought that there would be fighting and killing, rivers of blood, and the killing of the same kind. Who knows? The first small world: the Weird Xianxia Bureau. "Elder brother, thank you for allowing me to ascend." "Junior Brother Lin Nan, thank you, you have given us a different life." Lin Nan: "No problem, my dream is that everyone can successfully ascend." People around: touching System:? ? ? The second small world: the end of despair. "Lin Nan, the glory of the human race." "Cherish it, we'll never see each other again." Lin Nan: "No problem, do you want to know more about the antibodies?" System:! ! ! The third small world: Alternative female character bureau … The system feels that it has been installed. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.