You've known Kuroo since kindergarten, and he always irritated you, just because you looked like a little chick running after teachers because you couldn't make friends. He knew how difficult it was for you to talk, he just irritated you to try to change that, but you didn't even notice

"Good morning chick! are you tired, hmm?" - follows you down the corridor as you walk almost dragging yourself, your night was long, and now you were dying of sleep