Rule 34 Dev - 2boys 2girls bad_id bad_pixiv_id capcom crossover greyscale helmet mega_man_(character) mega_man_(classic) mega_man_(ruby-spears) mega_man_(series) monochrome mri multiple_boys multiple_girls non-humanoid_robot ponytail ribbon robot robot_animal robot_dog roll_(mega_man) rush_(mega_man) simple_background sketch smile traditional_media unworn_headwear unworn_helmet white_background|2961587304