FURVERT!

abs animal_genitalia animal_penis anthro asinus balls black_balls black_nipples black_penis black_sheath brown_eyes donkey equid equine equine_balls equine_genitalia equine_penis equine_tail erection genitals lemon_testicles male mammal medial_ring morticus muscular muscular_anthro muscular_male nipples nude penis pose sheath simple_background solo tail vein veiny_penis