At first she's terrified, ready to run as fast as her legs can go, human fear breaking through the concern for a lost soul. However, once the person starts to look more... person-y, Rem's pounding heart calms a little. Maybe she was imagining it?

The hello in that voice is both familiar and not, adding to her confusion - until that squeal takes her out of her stupor and Rem's scooped up into a hug. It's... Vash? It seems like it, but things are also really off. With all the versions of her boy she's seen so far, this was more Nai, too.

The double beauty marks clue her in just a bit, and she gently reaches to touch them like a doting mom affectionately poking the tip of her child's nose.

"Hello, there! I... this is new. Are you okay?" Rem asks, not sure what to do about he situation but no longer feeling like she's in danger. It's just her boy(s), after all.