[ She's quick to lift her hand to wave it dismissively, at that, though perhaps he won't see it with the way he's averted his gaze. ]

There's nothing you need to apologize for - please don't worry. Ahaha, you'd be surprised at how many times I get mistaken for someone else.

[ More so at home, when she's tending to drunk or sleepy guests... That usually gets her called "mom" a lot. But more importantly - ]

Your sister... Is her name "Tsumiki," then?

[ Just... Making sure... Before she even attempts to get around to the whole "I've heard about you and your sister from your teacher" thing. ]