Percy was momentarily confused, having expected some sort of argument about his 'safety' or some such shite. But then he noticed that the 'table' she'd put her bag on was his desk. He immediately went over and lifted the bag, looking down in desolation at his third favourite quill, now broken and useless.
He put the bag down next to the desk, then turned to look at his sister. She looked so nonchalant, he didn't know what to make of it, yet his suspicion remained. "Ginny, why are you here?"