FURVERT!

4_toes animal_genitalia animal_penis anus backsack balls black_body black_fur black_pawpads butt canid canine canine_genitalia canine_penis canis claws colored countershade_butt countershading detailed_anus digital_media_(artwork)dipstick_tail feet feral fur genitals half-closed_eyes knot koyuk406 looking_at_viewer looking_back looking_back_at_viewer lying male male_feral mammal markings narrowed_eyes pawpads penis perineum pivoted_ears rear_view shaded signature simple_background soles solo sploot spread_legs spreading tail tail_markings teeth toe_claws toes tongue tongue_out wolf