Nessie practically jumped, and blushed, looking down, wishing she was anywhere else but right there then. She risked a glance at the boy, not having met him before, then looked back down. "I, um...W-w-w-w-w-who a-are y-y-you?" She had been about to say Sorry, but a strange boy she didn't know in her dorm room, Nessie decided that just wasn't safe, and shifted slightly to watch him. She knew he had to be one of the students, but that didn't mean anything, did it? 

Still, he didn't seem threatening.