[WV is out for a late-night walk, mostly because the atmosphere in his own home isn't conducive to peaceful sleeping. He's wrapped in his coat and walking to nowhere, having left the house simply for some fresh air and different surroundings to distract him.]
[seeing Mikuru catches him by surprise, and he stops to wave to her]
Greetings! It is a lovely clear night—but aren't small humans usually asleep at this hour?