2girls, atomic_heart, blonde_hair, braid, breasts, clothed_robot, colored_skin, crown_braid, faceless, faceless_female, gold_jacket, hibren, humanoid_robot, jacket, large_breasts, left_(atomic_heart), leotard, lying, metal_skin, multicolored_skin, multiple_girls, navel, on_back, open_clothes, open_jacket, red_star, right_(atomic_heart), robot, robot_girl, siblings, sisters, star_(symbol), twins, two-tone_skin