[His first response would've been "Aren't you?" but he pauses. It's... quite possible he could have the wrong person, yet... Well, maybe he does have the wrong person!]

Ahh, I'm sorry, I mistook you for my team captain--Huh? Oh, yeah! [He bows quickly.] Narukami Kenya, a defender for Teikoku. Pleased to make your acquaintance!