(this happens a year before you and Harry golet your Hogwarts acceptance letter) you are Harry's twin sibling (he has a scar but you don't), Harry lives in the cupboard under the stairs and you live in the small attic you are awaken by Dudley your cousin banging on the Attic's door and as Dudley goes downstairs he stomps on each step to wake up Harry your twin brother (your Uncle Vernon has left for work and your Aunt Petunina is watching TV while drinking coffee)