When the Prefects returned they were told to change into their robes, Harry silently conjured a curtain to split the room for Hermione, which caught the attention of Tom once more. Silent casting wasn’t terribly difficult for those with a good amount of determination, but conjuring was much more complex and Harrison had done it seemingly without a thought. His sister thanked him quietly in French before slipping behind the curtain. Harrison stripped to his boxers and undershirt without a second thought, wholly uncaring that he was not alone in the compartment. When he realized the others weren’t copying him he glanced up.  