The Girl Left at Spinner's End

Snape was focused on saving the life of the one he loved, it was all he cared about. So what will happen when his sister comes in as a desperate mother and leaves him as a new father? Now left to raise his niece, he sees her through her first year at Hogwarts, curiously watching her choices and her consequences. This is an OC. Please R&R! 3 T for language and safety