rule 34 anal anal sex anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro balls bedroom eyes brown body brown fur gy style duo ears down elbow tufts erection eyewear eyewear only facial hair fangs fleetwoodbrak from behind position fur genitals glasses glasses only half closed eyes heart lux cadaverr male malemale male penetrated male penetrating male penetrating male mammal mouse murid murine mustela mustelid musteline narrowed eyes nude penetration penis pivoted ears red sclera rodent seductive sex sideburns simple background size difference small dom big sub smile smirk smug smug face smug grin stoat sunglasses tail hug true musteline white background white body white fur 5965608