Assigned by their boss to safeguard Earth, Mew and Mica's lackadaisical attitude makes them seem ill-suited for superhero duty. Instead of immediately taking on monsters, the duo's attention is frequently diverted by indulging in ice cream, quarrels, or other distractions. Despite being charged with the responsibility of being Hyper Dolls, they blend in as typical and good-looking schoolgirls, who often entice the boys.