Well, if Elizabeth is going to do the Orobos pose, then Minato feels he must join in, even if it is only momentarily. Blink and you miss it, and he is back to slouching with his hands in his pockets. Well, with Orobos tucked under his arm, anyway.

He says nothing, though, save for nodding his agreement with Elizabeth. He has absolutely nothing against making bonds with sketchy people! Look at Tanaka, for example.