Rule 34 Dev - animal_genitalia balls balls_shot barn black_balls black_sheath bodily_fluids close-up crotch_shot detailed_genitals equine_balls feral fully_sheathed genital_fluids genital_shot genitals male penetration precum precum_string quadruped realistic_feral shadow sheath solo darkmare equid equine horse mammal equine_sheath|5100410805