I Am At Hogwarts in Another Universe

What will you do when you find yourself in the place of Harry Potter at the age of eleven waking up in the room under the stairs of The Dursley's and that too on the birthday of Dudley just like his introduction in the novel? But wait! Why is there an unfamiliar fat girl in the place of Dudley? And..... WHY IS THERE A GIRL IN THE PLACE OF HARRY POTTER!? Oh yeah that's our lead, MILLIE POTTER!!! ............ This is the story of a potterhead who transmitted into the world of Harry Potter, actually a similar one with some slight.....OK! They might be some great changes!...... Like the genders and some new characters! But I guess you may like the story the story and pleeeeeez support my first work???