[He looks exactly the kind of put-together, straight-laced and not-obviously-athletic guy who has no business being unimpressed by superhuman feats. And yet he hardly blinks even when Jaeha lands so close. He even takes the time to clasp his hands neatly behind his back.]
Oh, no no, it's certainly something else. I have never seen a human manage such a leap. [And he doesn't add the "until now" that maybe should go there. Who knows what this guy is, after all.]