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This is an ordinary world, but some extraordinary and surprising stories have happened. A high-end restaurant - "Ying Ke Xuan", the guests are all children of wealthy families, dignitaries. The restaurant is divided into three floors, corresponding to the three classes. The first floor is accessible to civilians, and is usually used for eating; the second floor is a place with private rooms, and you need to pay more money to enter; the third floor is where powerful and famous people come in. Most people in this place don't know what is inside, and the secrets here are only kept in the hearts of those who stand in the upper echelons of power.