[ If Communion can convey the impression of a very polite bow, then it would, because Subaru is nothing if not a polite little vampire. ]

I've never made a formal introduction before... [ A very strong start, that. ] But my name is Subaru. I'm a vampire, and I was born this way, since that's been a source of confusion.

[ Yes, he's absolutely leading with this. No vampiric self-hatred here. Of note, Flat was excited rather than confused. ]

I'm stronger and more resilient than a human, and much longer-lived. My experience is probably the most useful strength I have, judging by what others have said about themselves... Though I can also sense power, or whether someone is not human.

[ This isn't even half of the weird grab-bag of miscellaneous abilities clampires possess, but it's what he thinks of. ]

I'd prefer not to harm anyone outside of necessity.