Urban: I Can Receive My Own Letters

Yang Yang's mobile phone has an additional software called "Space-Time Mailbox", which can receive letters from parallel worlds. Hehe, brat, I am you five hundred years from now. I sent you a small gift, I hope you like it. Yang Yang: "Are these perspective glasses? Damn it, I like them!" Yang Yang, I am you five hundred years ago. I now give you a set of Kung Fu as a greeting gift, I hope you won't dislike it. Yang Yang: "Is this authentic Tai Chi? It looks pretty good!" Hello, I am you five days from now. I have urgent news for you! Yang Yang: "What?! It's really urgent! I need to act quickly!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.