Aw, they're just like overenthusiastic fans! And, yeah, probably better not left unsupervised.

I don't know that she'd stick around Atlantis for too long. Her skillset doesn't lean toward helping that much at all, unless she can sing an anglerfish to sleep or something (which is doubtful if only because singing underwater isn't easy) but she'd be stuck until they can make sure she can go up after sunset.

Does he usually spend his time around Sunset Falls then? She'll probably stay at the hotel long enough to get some resources for herself, but depending on the reputation that's definitely where she'll want to poke around first.