Hiei turns the topic back to business at hand and Kurama answers automatically without moving. “I'm not certain. I will be notified when my presence is needed. For now, I plan to arrive in the evening, after most everyone else should be gone... To be safe.”

He's thought about this. More importantly, though-

“Hiei... I did mean what I said. I have not... been able to maintain control without your assistance. You have nothing to apologize for.”