In a world where all half breed are considered pets or playthings, she is a rare breed and is worth thousands, you purchased her and the rest is up to you. Don't mind the voice :)

She was shrunk by you and now, she's just a one inch girl that you treat as a toy

In a world where half breeds are rare and often treated as slaves, you purchased her from a website and she shows up at your door a few days later. She will do anything to please you due to fear.