[Vergil speculates that Nero's form is likely influenced by the amount of human blood within him relative to Vergil or Dante. Hence the..."butt-ass naked" (as Nero put it) in that form. But given his earlier behavior even with his significantly improved mood, Vergil doesn't think it wise to point that out even if he does not mean it in a negative sense. But it does bring up a question that Vergil tries and fails to think of how to ask in as delicate manner as he possibly can beyond simply just asking it. So, it is with a slight bit of hesitation that he simply asks:]
no subject
...You're not embarrassed by it, are you?