Rule 34 Dev - 1girl 2boys ass autobot blue_eyes breasts bumblebee_(transformers) crisiyotron gun handgun hatsune_miku helmet highres humanoid_robot insignia medium_breasts metal_skin multiple_boys optimus_prime robot robot_girl science_fiction thighs transformers transformers:_generation_1 twintails vocaloid weapon yellow_background|24280868664