Fantasy: I Have an Invincible Exchange System

Chen Bing accidentally obtained the god-level pawnshop system, and everything can be obtained in exchange! But, it didn't say that you can't exchange other people's things! What? Physically injured? Give someone else thirty years of being single in exchange for my physical recovery! What? No money in your pocket? Use someone else's card to get one billion flowers! What? Not enough realm? Take advantage of the realm of the Great Emperor! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.