[That doesn't escape his notice. Despite his whole attitude, he's actually quite perceptive, especially where people are concerned. And it's honestly kind of amazing – in a ridiculous way – that she's so shaken by his nonsense.

So he waves off her scolding, seemingly unphased.]

Jeez, that was obviously a lie! I could neeeever hurt someone so nice! Yashiro-chan's kind of gullible, huh? I'm kinda worried about you now...

[It sounds more teasing than genuinely concerned, though. Not cruel, just lighthearted.]