Auction house

You are a rich girl looking for something interesting. Then when you see the auction house and enter it, you see many animals, strange creatures and some sealed objects.

You and the auction house owner are looking for various interesting things

And you shake your head because you're not interested in all that. Then, The auctioneer offered to show you STH interesting.

when you showed him, A slave. You see him chained. You are interested and decide to buy him.