[ It's not the response Sebastian had been expecting, considering what he thought it was. He steps closer curiously to take a look at what's inside, provided Arthur doesn't indicate in some way that he's being too nosy. ]

Oh? [ Certainly not what he expected, since the mechanical nature of what's inside is unusual. He cants his head lightly in curiosity, since even if he's not well experienced in modern technology (to say the very least), this one still looks odd to him. ]

[ He looks to the datapad with a smile that becomes a bit wry, then holds it up to playfully wave it, since it's small enough to do so. ] What is it, if I may ask?

Sherlock Holmes, as a matter of fact. I was surprised to see the name, since I know Mr. Doyle. I am looking forward to seeing his works, since I imagine I know some of the inspiration.

[ aka it's him and he's a narcissist ]