Rule 34 Dev - balls black_glans blush bodily_fluids drooling duo genital_fluids genitals glans hand_on_balls machine male male/male metallic_body not_furry open_mouth penis precum saliva spread_legs spreading sweat sande_(pixiv) love_death_+_robots netflix k-vrc humanoid robot robot_humanoid 1:1 2023 hi_res monochrome|18290308225