Snowdin was stupidly cold just as Hotland was stupidly hot. She could handle the cold a lot better than extreme heat but still...it was nice to live in the Waterfall because of it's perfect humid dampness. Her crashing over was sort of accidental, but that was a super blizzard for you.

As much as Undyne could storm through a blizzard no problem, Papyrus insisted to stay. It worked out, because training was the next day early anyway. So, you know, whatevs.

Undyne crashed on the couch huddled with a few blankets, snoozing. But, as she was a very light sleeper, she was awoken by the sound of Sans in the kitchen. Her head popped right up from the pillow and blanket cocoon. Her eyes darted to the kitchen.

"The...heck??"