“Because, Kaitou-sama, you’re my very best subject matter, and when your buttons are done improperly, I notice.” She fixed the last one, and grinned, “In a hurry getting ready tonight, Ouji-sama?” (no indeed, he hasn’t UvU)

…Maybe… Though, as quickly as he changed anyway, it was a wonder he didn’t mess that up more often. Not that he intended to say that…

…And he did normally make sure his clothes were in order anyway, so her wanting the buttons fixed wasn’t really the problem, more the up and doing it herself.

“…Thank you for fixing them. Though, you could just as easily have mentioned it, ojou-san. I think I can handle adjusting them on my own.”