rule 34 2019 ambiguous species anthro anvil position armor biped blue eyes blue pussy clothed clothed sex clothing duo female female penetrated from front position genitals glowing glowing eyes glowing genitalia glowing pussy green body green eyes headgear helmet kneeling legs up looking at another looking at partner lying machine machinewithsoul male malefemale male penetrating male penetrating female military military uniform on back open mouth partially clothed penetration penile penile penetration penis penis in pussy pussy robot sex sharp teeth simple background spiral knight spiral knights teeth tongue tongue out uniform vaginal penetration vaginal penetration 7799364