Rule 34 Dev - 1boy 2016 4_toes abs absurd_res animal_genitalia animal_penis anthro areola ass balls biceps black_nose blush canine canine_penis claws english_text erection fur furry hair hi_res howlfei howlfeiwolf knot looking_at_viewer male male_only mammal model_sheet navel nipples nude open_mouth pawpads pecs penis sharp_teeth sheath simple_background sitting smile snarling solo standing teeth text toe_claws toes tongue wolf|2452033392