The end of the world, the survival history of 2B youth, is it good for tech nerds to save the world?
Note that this article does not contain plots such as superpowers, portable space, cultivation of immortals, mutated animals and plants, monster fighting and upgrades. The protagonists are all real men. This is my first time writing an article. If there are any bugs, please point them out. Please take care of me. Sorry author is back to school! Weekly update recently! Daily updates will be resumed! The author must not give up! Please give me your support! There must be a lot of words in weekly updates!