After a chance encounter with a spaceship, Yuu, a young girl, receives the ability to wield magic for a limited time. Alongside two feline companions, Poji and Nega, she ventures on a journey as the enchanting idol Creamy Mami. Balancing her newfound talents with tasks like performing, assisting her parents in their crepe business, battling extraterrestrials and foes, attending school, and navigating her feelings for her longtime pal Toshio, Yuu's life takes a magical and eventful turn.