FURVERT!

animal_genitalia animal_penis anonymous_artist canid canine canine_ears canine_genitalia canine_penis canis claws digital_media_(artwork)erection eyes_closed feet feral fluffy fluffy_tail full-length_portrait fur genitals hindpaw knot knotted_penis legs_up line_art looking_up lying male mammal monochrome on_back open_mouth pawpads paws penis portrait presenting raised_leg side_view simple_background solo spread_legs spreading tail tuft wolf wolf_male