Rule 34 Dev - 1girl bare_shoulders blue_eyes blue_hair blush breasts closed_mouth copyright_name covered_collarbone dress grendizer_u hairband lips long_hair looking_at_viewer lying mazinger_(series) medium_breasts on_side short_dress sleeveless sleeveless_dress smile solo ufo_robo_grendizer yumi_sayaka yuuki_hagure|23716786860