Of course, he can't answer that question without it definitely being awkward. So for a moment, he's silent, trying to figure out what to say--and briefly glancing back to the door as if trying to make sure no one's spontaneously appeared on the other side of it to eavesdrop--before deciding there's no good way to ask this question other than just saying it. He turns to face Chikusa again.

"Why are you so calm about the idea of killing people?"