Rule 34 Dev - big_butt blue_body butt butt_focus empty_eyes eyes_closed glistening glistening_body grey_body looking_at_viewer looking_back low-angle_view machine male metallic_body not_furry nude open_mouth simple_background solo worm's-eye_view ahoeforcoffee robotboy robotboy_(character) humanoid robot robot_humanoid 1:1 2022 hi_res|16006818380