Comet, a soon-to-be graduate of the Star School on Planet Virgo, arrives on Earth via UFO with the task of finding the most beautiful thing on the planet as a graduation exam. She is taken in by the Sawano family, working as a housekeeper and gets into various high jinks with the use of her Magic Baton. Receiving guidance and encouragement from her Star Mother above, Comet finds the true beauty on Earth within her various experiences of love through human contact.