Oh, Frisk mouths back in return, showing their sharp teeth for a flashing moment.

Their self-appointed task of 'telling people the rules' is enough to shift them out of their surprise, though, as well as out of their seat. It takes a couple of tries until they manage to stand. They pretend there's nothing wrong with that.

"...Sort of. Live here. Everybody came from somewhere else, though. Everybody's lost, and stuck." Frisk dips their head. "Sorry."