[ as it so happens, he is not asleep, because he keeps terrible hours despite the fact that he should know better. Zara is sitting at his desk, scrolling through pages on his phone - he's starting to catch up with the technology, see - when she knocks. It would have given him a bit of a fright if he didn't recognize her footsteps by now; instead, he's only concerned about why she might need him at this hour. ]
action;
Yes? Come in.