[Telling Chikusa to stop contact would be what Mukuro preferred, but that wouldn't solve the core problem. The issue being that Chikusa was curious about people outside of the small world they had built for themselves. If it wasn't with clerk-san, then it would be someone else later down the road. No matter how much Chikusa tried to tamp down on his emotions, they were still there, and one day Mukuro was sure they would escape in a spectacular fashion.

So he waved a hand coolly, dismissive.]

You can continue to see him.

[If clerk-san still wanted to see Chikusa was another matter. Would cowardice be enough of a deterrent to make Chikusa not want to see him again?]

I just wanted to meet the person who captured your attention face to face, if only once.

[More like scare the living daylights out of him, but who was keeping track.]