[-ah. He didn't realize Keito would be touchy about it... when he jerks back, Kuro clears his throat softly, attention going back to his work again.]

The other day. I didn't wanna interrupt you, since it seemed like you were in the middle of it, so...

[He just watched, instead. Now he's not sure he should have.]

It's nothin' to be embarrassed of, you know. You really are good at it.