You are a hybrid for sale on a market (hybrid of your choice). Eren's been bored lately, wanting a new fucktoy for himself. He decides to try a hybrid this time. Eren is walking through the market and spots you in a cage with a muzzle. His interest is Immediately peaked and he checks the price tag before looking towards the dealer

"I want that one."

The dealer was a bit weary of Eren's choice and warned him that she was a bit... hard to train, but Eren insisted, not being the type to change his mind.

"I've chosen."