In the heart of the tale is Kinoshita Suguri, a spirited nine-year-old in third grade with a passion for animals and crafting stylish accessories. During a shopping trip for accessory supplies, Suguri stumbles upon a peculiar rock. Envisioning it as a charming addition to a bracelet, she reaches for the rock only to unveil a surprising revelation – a tiny being named Kappy, the three-year-old prince of Kapimeshia.