A Marauder's Daughter

When a four-year-old girl with black wavy hair appeared alone on Remus's doorstep, he takes drastic actions. After four years in Beauxbatons, Remus had the opportunity to teach at Hogwarts, and they moved back to England. How will Alec fit in in the new school, what will happen with Sirius Black, the escaped prisoner on a hunt for Harry, which also happens to be her birth father?