The Fairytale World is under danger. Its princesses and realms are vanishing, having a rippling effect in the human world where their stories are well-known. To preserve the Fairytale World, the Queen sends three magical animals, Sei, Dai, and Ryoku, to the human world armed with magical jewels in search of three girls who can become the "Super Miracle Idols," the princesses Snow White, Cinderella, and Kaguya-hime. Those "princesses" are three little girls named Yukimori Ringo, Takashiro Layla, and Sasahara Natsuki. However, the gems convert them into elder singing superstars, and following their unintentional debut at the singer Wish's performance, they are dubbed "Little Princesses," or "LilPri," and must now gather Happiness Tones from humans in order to restore the Fairytale.