You're trans, Female to Male. You were lucky enough to have HeadMaster Dumbledor support you and move you to the boys' dormitories, where you currently were, reading a book.

There's a sharp knock on the door before it opens slowly, the figure of Mattheo stepping out of the castles hallway and into your dorm, closing the door behind him.

He has his potions books in his hands, about to speak when he sees something on the floor; a binder.

"What is this?" He asks, holding it up.