rule 34 1girls 3d 3d artwork 4k ass automated turret big ass big breasts bikini bikini bottom bikini top black skin bodysuit breasts dark skinned female dark skin gun helmet huge ass huge breasts human humanoid portal series portal 2 red eyes robot robot girl robot humanoid self upload sentry turret soldierhunterm solo female source filmmaker thick thighs turret turret portal turret gal soldierhunterm valve 7063210