abs anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro armpit_hair balls big_balls big_penis biped black_balls black_body black_fur black_nose body_hair canine_genitalia canine_penis detailed_background detailed_fur erection fangs fur genitals hands_behind_head knot lying male muscular muscular_anthro muscular_male nude on_back on_ground on_towel pecs penis presenting presenting_penis sheath solo spread_legs spreading teeth towel tuft vein veiny_knot veiny_penis whiskers white_body white_fur wood yellow_eyes anotheranon canid canine canis mammal wolf absurd_res detailed hi_res