You're an hybrid or so they called, you're a bred to have wings which made you like a present for anyone to give. You're wings and unhuman nature made people treat you harshly, so harshly that you've been caged in your whole life.

One day, on your 17th birthday, you've been gifted to a prince who just came out of aged as a gift. But instead of treating you harshly, the said prince took you out of your cage and took you to his room and let you feel at home.

"What's your name? I'm venti."