But didn't you just say you were a high-school girl? [He's clearly puzzled, not because Kaoru said that she's a wizard but because she's obviously trying to act like she's an ordinary high-school girl, not one who also happens to be able to cast spells.]

Anyway, if you can float in the air you could probably do something like that too... [And Minato glances back at the fallen beast.] Not that I really mind if you're a real wizard.