After being exiled to the human world to reflect on her prankish actions, the young dragon Kanna Kamui finds refuge with office worker Kobayashi and her dragon maid Tooru. Despite concealing her true identity, it does not take long for Kanna to adjust to human society—becoming an elementary school student and quickly befriending her fellow classmates. With an eager interest to learn and experience more of the modern world, Kanna's daily life is bound to be rich with fun and excitement.