Forbidden Love

She is a Demon but not just any demon she is the princess of the demons. Her father the Demon King is very stern and want everything to go the way he wants. She doesn't know who her mother is. Her mother gave her a charm when she was born that will help find her when the time is right. She has an older brother she hasn't seen for years. She also has a little sister who leaves in the Human World. What will happen when she goes to live with her? What will her father do when he finds out she's in love with a human? Will she find her mother or brother?