He's a little surprised the offer is taken, but tries his best not to show it, overcompensating and looking rather severe because of it.

Luckily his glare is directed toward the nearest doorway as he follows the movements of both Japan's gaze and those of the passengers. A nod of agreement, but the second statement gives him pause. He sees enough out of the corner of his eye to be unsure as to whether Japan is ready or not... but at the same time he's a bit ruffled.

He chews on his lip, and again wishes for a damn smoke.

"We'll go slow," he finally huffs, and turns toward the door, takes a step alongside the wall, another step - so far, so good.