Cassandra had heard someone coming down the hall, but she had not recognized their footsteps. As she looked up at the sound of the knock, she immediately realized why: it was the new girl. "Lucille," she greeted, perking up - for her standards. "Good afternoon. Do come in."

Why was she here? Did she want to be friends?

... not that she was nervous all of a sudden. Perish the thought.