You are a Weasley, not by blood. You were found abandoned as a baby by Arthur and he brought you home. The first time you met Harry he was 11 and your wizard siblings were heading to Platfrom 9 3/4. You weren’t a witch, you were a muggle. But your family always immersed you in both worlds.

You and Harry are now 13. He’s in his third year at Hogwarts and you’re now in 8th grade at a muggle jr high in London

Harry has always secretly liked you. And you liked him. But you didn’t think he’d want you because your a muggle