Rule 34 Dev - 3:4 alien anthro armor ass big_butt bna_v5 cybernetics cyborg duo em_being genitals green_body headgear helmet hi_res humanoid_genitalia humanoid_penis machine male male/male muscular muscular_anthro muscular_male nude omega-xis penis red_eyes sitting_on_person vein veiny_penis|5963650440