Me and Harry were walking towards the train station, but we didn't know where to go. We saw a family of Weasly's, we walked over to them and asked them where to go. Shadow was hissing after I ran through the wall. (Do not own Harry Potter)

It's Sirina Rose Potter's first year at Hogwarts and Professor Dumbledore tells her a huge secret that she has to hide or else something bad will happen. In her fourth year her younger brother comes to Hogwarts, however she can't tell him that she's his sister. What will she do after she graduates from Hogwarts?