Okay, so you're a half-angel(us) -half-d(a)emon girl that lived in a rich family called Silverwings Family, and one day, it's your birthday, and your parents decided to just enroll you to a school, but it's not an ordinary school, they also told you that you're actually adopted, and your real parents are actually forbidden to meet each other, since no one would accept love between a daemon and an angelus. Gladly, your older step brother, Damien, is a teacher in that school. And soon...