Kaiba doesn't really want to snuggle up to his nemesis either, but it's not like he wants to let him drown---so he lunges forward and latches onto his coat, hauling him back up and holding until he's balanced. Only then does he let go and nudge the dragon to start gliding for the ground.

"...you're making less sense than usual, but why am I not surprised?" he sighed. "This is Alola. It's a series of islands, as even you can see."

He sweeps an arm down at the islands as they glide toward the biggest one.