[Yukine gives a start when this person starts talking to him. Although, it's nice to break for a moment. Practice has somehow felt more tiring, probably adjusting for the sudden change in his height.
At this point he's probably heard more 'of' "Commander-kun" than he's spoken to Shepard-sama himself.
He bobs his head towards her in a small bow.]

Ah- long time no see. Welcome back. [Well, relatively speaking. It'd be better if everyone went back to where they're supposed to be.
With a bit of a grin he takes in the compliment. (There totally was a compliment in there.)]

Thanks. It actually happened in an instant, not over a month. But weird as it is, I'll take it. ...Although at this point there's so much weird going on I'm going to lose track of what's normal.