In a quiet Japanese village, Haru, an ordinary and somewhat shy teenager, feels trapped in her monotonous day-to-day life. However, her life takes an unexpected turn when she decides to save a cat that is about to be hit by a car. To her surprise, the feline turns out to be a prince from a hidden kingdom of cats. Grateful for her bravery, the enigmatic cat offers Haru a series of astonishing gifts and, more importantly, invites her to his world.
Soon, Haru finds herself immersed in a realm where cats speak, wear elegant clothing, and possess a wise and ancient culture. However, the story takes a strange twist when the young girl is introduced as the prince’s betrothed, who plans to marry her. Overwhelmed by the commitment and the pressure of a world she does not fully understand, Haru begins to long for her previous life. Determined to return to reality, she receives help from an eccentric cat named Baron, who teaches her about the true value of freedom and identity.
As the plot progresses, Haru will face anguish and dilemmas, discovering not only the importance of following her own path but also the power of the bonds she creates. This magical adventure between the human world and the feline kingdom is filled with charm, humor, and deep reflection on who we are and where we are headed.