FURVERT!

3:4 anatomically_correct anatomically_correct_genitalia animal_genitalia animal_penis balls big_penis bodily_fluids brown_balls brown_penis brown_sheath clyde_wolf digital_media_(artwork)equid equine equine_genitalia equine_penis erection feral genital_fluids genital_focus genital_shot genitals hi_res horse male male_feral mammal medial_ring musk nude penis penis_focus penis_shot red_penis sheath simple_background solo sweat