My little star (Harry Potter x OC ) year 1

Lyra is Draco Malfoy's twin sister but ran away and changed her name when she was 8 no else knows about her but the malfoy's ( and Snape). what happens when she gets her Hogwarts letter and gets sorted into griffindoor will love blossom or will her brothers rivalry come in between them. I do not own the Harry Potter series or any of the photos I might use they belong to there right full owners unless I directly say that there mine thank you for picking this book (Harry x OC)