[Testing the knob's stopped quality before turning back to Kaoru.]

The first thing is... do you know how my information card prominently noted my status as a vampire analogue? [She taps her fangs gingerly.] That does in fact... include the blood-drinking for me as well. There's not exactly a ready supply of willing donors in this mansion, though, and the more heated things get the more true that will hold.

So if you would be interested in -- you can say no, of course. But in light of our publicly established acquaintance it would provide a good reason for us to be alone together without necessarily having been concocting some nefarious plot.