FURVERT!

4:5 abandoned_building absurd_res anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro bodily_fluids bound brush brushing brushing_penis canid canine canine_genitalia canine_penis canis claws cock_and_ball_torture digitigrade ears_back ears_down forced furgonomic_piercing furgonomics genital_piercing genital_torture genitals hands_behind_back hi_res knot legs_tied male mammal monochrome oddbird pain penis piercing pivoted_ears restrained sheath sheath_piercing tears torture urethral urethral_torture wolf