Rule 34 Dev - 2020 4_toes 5_fingers anatomically_correct anatomically_correct_genitalia animal_genitalia balls black_body black_fur canid canine canis closed_eyes digital_media_(artwork) duo fingers fur genitals grey_body grey_fur male male/male mammal open_mouth polar_bear rukis sheath teeth toes tongue ursid ursine wolf|4106670488