Whether she'd known the other girl was there or not was anyone's guess, but the way she moved made it seem as if she were fully aware of her surroundings, even with the humming, she blinked up at the wave, then smiled, waving back, pausing where she was, just at the edge of one of the street lamp halos.
It really was a pause, she hadn't actually stopped she looked ready to spring into action again at any moment, like a butterfly poised with wings half open.