His smile falls with Hiei's frown, more thoughtful than anything, waiting for the other shoe to drop- and when it does, he doesn't respond right away. Glancing aside before speaking at all, tone equal parts flippant and sincere.

“Yes, I imagine dealing with me must be a rather unique form of torture. Still, I should thank you, at least. Without your assistance in all of this, who knows what might have happened.”