FURVERT!

2019 5_fingers abs animal_genitalia animal_penis anthro balls barbell big_balls big_muscles big_penis black_balls black_nipples bodily_fluids body_hair brown_body brown_fur chest_hair equid equine equine_genitalia equine_penis erection exercise eyes_closed fingers fur genitals hair horse huge_penis male mammal medial_ring mottled mottled_genitalia mottled_penis muscular muscular_anthro muscular_male nipples nude nude_workout pecs penis quads red_hair simple_background solo standing sweat uken_l vein veiny_muscles veiny_penis weightlifting white_background workout xavier_(alvintanubis)