A Perfect Book, The Paths of the Future

´´When Li Jin received that strange device, at first he couldn't believe it. It was unlike anything the technology of his time could produce, or so he believed.
The world had changed a lot since the second great global pandemic, but there were things that never changed, such as, for example, the fact that the local post office sent him, once again, a package that surely belonged to one of the former occupants of the space it occupied in the overcrowded city of Tokyo.´´