Rule 34 Dev - 1boy 2023 big_penis blue_eyes erection genitals glans glowing glowing_eyes hasbro hi_res himerosthegod humanoid humanoid_genitalia humanoid_penis looking_at_viewer machine male male_only metal_penis metallic_body not_furry optimus_prime penis red_glans robot robot_humanoid simple_background sitting solo takara_tomy transformers|9584518152