Rule 34 Dev - 2016 abs anal animal_genitalia animal_penis anthro ass balls biceps big_penis black_nose bound brown_fur canine claws clenched_teeth cum duo equine equine_penis erection fur grey_fur grey_hair hair hand_on_neck hi_res horse horsecock husky hybrid interspecies iracundia legs_up male mammal muscular nipples nude open_mouth pecs penis precum red_eyes red_hair rov sex siberian_husky siege standing tattoo teeth toe_claws vein white_fur wolf yaoi|2201681048