[A flicker of annoyance can be seen as he glances back to Mukuro, frowning. Then again... Perhaps he is being too vague.]

[Fortunately for Mukuro, it's not what he thinks it is.]

Last night. I've... never reacted like that before. I've- touched myself, so I'm familiar with that, but you did something.

[At least, that's the only thing it possibly could be, because Chikusa has no idea what's wrong with him otherwise. It was merely Mukuro talking, and he always talks. So what was it about that moment that had him moan in pleasure? That kept him pinned so thoroughly? Chikusa can't understand it.]