森のくまさん、冬眠中。

Nowa is a bear who lives in the forest. He found a puppy named Airi a few years ago, and is now raising him. When Nowa goes into hibernation for the winter, Airi is still but a pup. But when Nowa wakes up from his hibernation, he finds Airi has grown into an adult dog. (Source: Anime News Network) ...