After devoted mountain climber Kumakichi Kumada falls into a ravine, he wakes up in the middle of a forest in another world…as a polar bear! Now this tough Ursus maritimus is looking after six werewolf sisters on the run from the humans tyrannizing their clan. Keeping his wits about him and using his knowledge from his past life, the next “mountain” for him to climb will be making a comfortable life in the forest for everyone!

Kumakichi Kumada, once human, has been reincarnated in another world as a polar bear. After rescuing six animal-eared sisters from some human knights, he now watches over them. Cave dwelling isn’t easy when food is scarce, so what’s a bear to do? Why, build a log cabin, of course! But when Kumakichi encounters a band of adventurers in pursuit of a giant snake, things get more than a little out of paw…