[He's definitely feeling it too, and as much as he enjoys her company he can't wait to get out that door. It'll take some distance and a brisk walk and probably about half a pack of cigarettes to recover from the sheer physical strain of not flirting shamelessly, but he's not too concerned.
They'll be fine. He knows his place. ]
It was my pleasure~! Don't hesitate to call on me if you need help with anything else, alright? [A smile, and there's no way he can turn down that offered hug. To him, it's an odd habit but a very nice one, and so he leans down to wrap an arm around her, giving a little squeeze before getting ready to actually go.]
Take care, Miss Miwako! I'll see you around~ [And with that, he leaves.]