Bound by Blood SUMMER 2018

What if Lily and Severus were married but Lily had to have a fake marriage with James? And what if Harry had a little sister named Dahlia that grew up with Lily in America, knowing the truth? And what if she was sorted into Slytherin and had to hide the truth from her brother and the purebloods? Being bound by blood was hard, especially if Harry thought his parents were dead.