[The hint of amusement is met with a gentle, light laugh, though it still manages to retain some air of politeness.]

Mary-san, then. I apologize for having to meet you under such unfortunate circumstances... [Like it's Kaoru's fault or something?! Politeness To The Extreme.]

I hope that we'll be able to become better acquainted once this mess has been sorted out regardless. But for now, I believe that we should focus on finding your friends.