Kuroo's glad to have the encouragement of that movement, it makes his decision to undo the button on Tsukishima's pants that much easier.

"Nah," he says, and drags down Tsukishima's fly a centimetre at a time. "I'd just tell you you're pretty." Which is probably teasing under some definition of the word, but he means it sincerely. "You make-" he pauses to kiss under Tsukishima's jaw again because it was looking too good not to. "You make a nice picture, you know?"