His expression looks distracted as he looks up from the book he's reading. It's clear from his expression he didn't catch a single word of whatever was just said to him. "--Huh? Oh-" He looks around the room for a moment, realizing belatedly that he's the only person in the room other than the one he's standing in front of. "Oh! You were speaking to me? Sorry, I didn't realize."

His brows raise, and he looks at the person expectantly, waiting for them to restate their question.