Rule 34 Dev - 2017 4_toes anatomically_correct anatomically_correct_penis animal_genitalia animal_penis balls bedroom_eyes black_claws canine canine_penis claws digital_media_(artwork) digital_painting_(artwork) digitigrade dire_wolf dripping ears_back erection excessive_precum fangs feral fluffy fluffy_tail full-length_portrait fur grass grey_background grey_balls grey_fur grey_nose half-closed_eyes hi_res hyper hyper_penis inner_ear_fluff knot knot_in_sheath male male_only mammal multicolored_fur open_mouth open_smile outside paws penis portrait precum presenting presenting_penis quadruped quirachen red_eyes red_penis red_tongue seductive sheath side_view signature simple_background smile solo standing toe_claws toes two_tone_fur white_fur wolf|2764141768