He blinked rapidly a few times, feeling suddenly very uncomfortable in this man's presence, and stepped to the side to avoid being between the him and the bookcase. His posture straightened, and Orsino folded his arms over his chest, book still in hand.
This was weird. And disturbing. More than usual when someone randomly approached him and acted as though they knew him. If he didn't think this man was not entirely in control of himself, Orsino may have been a bit more alarmed. Instead, he was merely irritated. "Yes, sure."
Giving the man another dark look, Orsino made to walk away.