[ His gaze shifts from his brother to the tea, and back again. There's a question on his face that isn't related to the one that had been there a moment before, but vash is quick to put it to the side (for now). ]

Well. I was thinking...if you wanted to.

[ He steps over, sliding a small box onto the counter from behind his back. It looks awfully similar to something that had been given to him back around his birthday. He pushes it over towards Nai's teacup, fingertips leaving it after lingering for a moment or two extra. ]

You don't have to, but I thought it might be fun. I found one that matches.

[ It might be a little childish, but the thought of it warms something in his chest a little. ]