"I'll be hauling water home, got it," Kaiba grunted. He could do that much for Ryou. And maybe he could improve the system with a little work...

Eventually, they found a pair of unoccupied cottages. He swung open the door to the first one, gently pushing the sled inside. It's not much warmer than outside, but...

"Right. First order of business, light a fire." And he'd be looking around for firewood now, determined not to let them freeze.