Ah, Kaiba's archnemesis: cheery optimism. The feeling of uncertain vulnerability fades as Siebren generously buys him some time, thankfully, and he can deal with minor discomfort no problem. He watches Xander settle in, and...well, Kaiba might as well resume introductions to keep this going at a nice, safe level. He's completely fine, he can just Ignore it.

So he takes a steadying breath to balance. In and out, it's not a big deal, it's just...an unexpected social hour. He's handled this before, though admittedly never in a context that's made him feel vulnerable like this. But if they all share the same issue...

Hm. He'll have to think on it some more. But for now, introduction.

"Seto Kaiba," he offers, inclining his head in greeting. "Orange team, and a mechanic. This isn't usually my scene, but...work demands it," he sighs, rubbing a shoulder with his hand.