Profile of (Y/n) (L/n)

(Y/n) (L/n) is not an angel, nor a demon. She is the offspring of a demon father and angel mother. Her fate has been decided by heaven and hell and she is cast down to live a life on earth. Coincidentally, she meets Ciel Phantomhive and catches the eyes of Sebastian. What happens when they fall in love?

*Edited book