Well, I'm certain there is a perfectly good reason for it, one way or another. [It's a pretty passive-sounding statement, accompanied by a one-shouldered shrug. He'll be nodding politely shortly after, though.]

It's nice to meet you, Rin. My name is Tadanobu Kudou. [As an extension of the friendly smile and tone, he holds his hand out for a shake.] Kudou is fine.