Meet Poemi Watanabe, also known as Kobayashi, a 10-year-old girl dreaming of becoming a renowned voice actress. Despite her struggles with academics and voice acting, her life takes a drastic turn when an enigmatic alien eliminates her parents and plunges Tokyo into chaos. In a moment of desperation, Poemi transforms using a talking fish into a wand and emerges as the enchanting heroine Puni Puni Poemi, ready to restore peace and order to the city.