Rule 34 Dev - 1boy 2016 abs animal_genitalia animal_penis anthro balls bathroom biceps big_muscles big_penis black_fur blue_eyes equine equine_penis erection fur grey_fur hair hand_on_chest hi_res horse horsecock k0suna looking_at_viewer lordwolfie male male_only mammal masturbation muscular nipples nude pec_grasp pecs penis precum presenting radek shower smile solo standing tattoo thick_penis tongue vein water wet white_fur white_hair|2201707736