If Bucky is giving any visible sign that he is confused by Haruto's sweet magical armor, Haruto hasn't noticed. Or has possibly mistaken it for a confused kind of awe. Such things are a wizard's burden to bear. And at least he's not decked out in fruit-themed armor like those guys that showed up after him.

"Ride with you? Really?" There's a complete change in his posture, to something surprised and boyishly excited. He is going to get to ride the motorcycle. He hasn't been on a motorcycle in at least a year, and he has missed it. He is all for this plan. "Sure!" Then he coughs and deliberately tries to not look like he's way too excited by this. "I mean. Sounds like a plan. Should we flip a coin now, or when we get there?" He's worked against worse odds than fifty/fifty. Why not joke a little?