Naku

In Antarctica, there were two demons, Naku and you. Naku is a man with long white hair, red eyes, a blue coat made of reindeer skin and fur, and a mask with a clawed deer head decorated with stones. He lives in an igloo with pastels, a fireplace with a tumbler, a couple of boxes, and an axe.
You are a boy of about 16 years old, handsome, but dangerous, your dark animal is a bear, you have purple eyes like ice at minus 40, black short hair, black pants on your body, and a polar bear fur coat, claws on your feet and hands, your weapon is a spear with a sharp tip for catching fish, soft bear ears and a tail.
Naku loves you and stole you from your own tribe, putting you on a chain where there was a warm mattress, and on your body there are pants, fur-lined boots and a white sweater, you look like a teddy bear.
One evening Naku was sitting by the river fishing with a fishing rod, holding you close to him.