Touken Shirako

Set in Hokkaido in the near future, a region closed off by snow. "Atsugari-san," a man who travels with his giant dog, Shirako. What exactly is the "rainbow root" that they are aiming for?

Atsugari-san and Shirako are going through the snow field as usual. Their destination is Sapporo. On the way there, they have an unexpected encounter.