She has absolutely no idea how to react to this. I mean, sure, she's spent her whole life afraid of something like this- she's never passed for human, not by a wide mile, but she also never thought of herself as a target. Someone more important-- well, he wasn't there for her, anyway-- but hearing it said... it hits her hard, in the pit of her stomach.

Thankfully, Mettaton speaks, and she has a moment to look at him. Oh... yeah, Mettaton's mentioned him before. Something, oh, she heard the name...

"Well, t-that might explain why he's, uhm... c-chasing you down in an alley." She looks nervous, but finally, comes across the thing she was thinking of. "Wasn't... uh, y-your name, uhm, Alex?"