FURVERT!

1_eye anthro anus armor big_butt big_penis bodily_fluids bouncing_butt breasts butt dominant dominant_female duo earpiece female genital_fluids genitals glados glowing glowing_eyes headgear helmet hi_res human humanoid looking_at_viewer looking_back machine male male/female mammal metallic_body not_furry on_bottom on_top orange_eyes oxtra penetration penile penile_penetration penis portal_(series)reverse_cowgirl_position robot robot_humanoid sex side_boob sign spread_legs spreading submissive submissive_male text vaginal vaginal_penetration valve valve_corporation vein veiny_penis vulva white_body white_skin wire