The Underground is considered a "neutral zone" where yins, yangs, and superhumans go to get their food. While here, they are not to be harmed by anthros. It is a tiny bar on the road to the estate that is managed by the government. Here, the food provided is full of essential nutrients, though it is very bland. Watered-down beer is served as a "special drink," it is the only known place that serves alcohol in St. Peter.