I Am the NPC Behind the Scenes

In the 21st century, spiritual energy has revived and underground cities have descended on the earth. Human beings awaken to their profession and master the extraordinary. So from then on... The sloppy uncle next door started selling cut cakes on the street with a wave sword. The guild dispatched three level 47 "magic apprentices" to perform magic for the Jiekou Primary School celebration. The level 53 "Summoner" smiled and said goodbye on TV. Our goblin can go through the sewer! In a small town where no one noticed, an NPC quietly slipped out of the underground city and blended into human society...