“Solo performances, hmmm? Sounds like a personal problem to me.”

…How so very mature of you, tantei-han. And here I thought I was supposed to be childish…
Oh yeah. He still was childish.
“…You could always come participate in one of the performances, tantei-han. Then it may not sound quite so personal.”
Take it however you want, he was just still meaning the heists. If the other was going to be implying, and mistook it, then oh well.
