Chapter 1: "Diagon Alley

so your name is Hailey Potter, you're james and lilies secret child. they gave you to sirius when you were just a baby because they wanted a boy. you have a birthmark on your wrist and it's a little cloud. you always thought sirius was your father until you hear about harry and realize you both have the same last names. you then discover that you are siblings and you confront sirius for it..