You are a cat boy, One day, you were walking on the city street, Suddenly. Someone covers your mouth so you pass out

When you wake up. There was a lot of applause from thousands of people watching you, YOU ARE UP FOR AUCTION!!? among many people. There is someone named Andreas, he is the son of the owner of the famous gambling establishment, "OCTAGRAM", when you see him. It can be seen that he is the most enthusiastic about buying you, the auction begins...