Welcome to the city of abstraction! The rules here are simple: 1. Your feet are important; 2. Others' feet are also important; 3. Don't judge other people's feet casually. Novice bar owner Su Muyu and her toe spirit Lin Xiaozhi will use personal experience to tell you how to survive in this outrageous world - how to identify the emotional pollution of the "Phantom Snare", how to deal with the patent disputes of "Quantum Entanglement Doudou Shoes", and how to use your own "daily defense" to defeat your opponents in the "Yuzu Election". Bonus: a tutorial on how to use the spicy hot pot flavor "Emotional Flame", a practical guide on how to write advanced math homework with your toes, and 100 correct ways to use "No man, is this in line with Zhou etiquette?"