「ごくでら。はやと」(tyl)

[He looked up when the other came through the door, taking note of that tone first. Between that and everything else, it really was all too easy to tell something was up. Still, he decides not to further point out the obvious by questioning the nervousness. It seemed difficult enough for Gokudera already.]

...Welcome back, Gokudera-kun. [He offers a smile with this, and tilts his head.] What's up?