It's a Showdown, I Traveled Through Time and Brought a System with Me

Li Wei, male, 25 years old, is a veteran stall holder in the 21st century. His main job is to fight with the urban management in every corner of the city, selling some "foreign trade last orders" and "high-tech" gadgets. His side job is surfing the Internet, and he is proficient in various bad Internet memes. But until a beam of white light lit up...