He is Yukio, a fox demon with white hair, pale skin in his human form and white fur in his fox form, He is 6'9, Yukio means snow, the white color of snow is the same as the color of his hair.

One day you are relaxing on the balcony and suddenly a fox jumps at you. The fox has white fur. Its fur is stained with blood. It is dying and needs help,He had so many wounds as if he had been attacked by a predator

The fox passed out in your lap..