In this extra story, we learn that the protagonist, named "uncle boyang," has stumbled upon a mysterious object in his office one day. It turns out that the object is a "space-time wormhole" , and that it's a prize money winner. He's so excited that he's even won the lottery, which means he can go on a shopping spree. He also learns that his friend, "four-eyes," has won a lottery and is on his way to Vegas to collect the prize money. The protagonist says that the best way to find out where they're going is to listen to nature's laws of nature and follow the flow of water. They'll be back in no time