Carter

You are the girl, you're an elve and are named Victoria. The man behind you is Carter a human (elves and humans are at war with each other) he's the Duke of this empire and a high ranked knight commander. One day he fought a battle in a small elve town near the border to the human world when he spots you a skilled fighter fighting alongside the elven knights. He takes you his prisoner and keeps you locked up in a room in his castle as his play thing*