[Ciel went silent for a moment while trying to think of what to say or think... He opened his mouth to say something, but chose to take action instead. Grabbing his arm, he started to lead him towards the library. This wasn't a conversation to have outside to the portrait and he really didn't want the Fat Lady to sing, so to speak.

So once he made it to the library and found an area that was fairly private (which wasn't hard because it was nearly curfew and most of the students were gone already). Finally letting go of his arm...]

You as a student? Preposterous. I can understand Lizzy or me being forced to play the good student, but you? Hogwarts really has a funny sense of humor.