Shun Asanaga is a 15-year-old junior high school student with an optimistic and bright personality. One day, he finds a mysterious crystal in the office of his father, who is a scientist and businessman. When Shun touches it, the world becomes distorted, and he is sent into the world of Endra. Emilio, a prince of the kingdom of Endra, is nearing his 16th birthday and despises the reigning king, Delzain. Since Emilio is now at the age when he can inherit the throne, he takes up a weapon and attempts revenge. However, because Emilio is too weak, he is captured by Delzain and put in prison. When Emilio is in grief, the wall of his cell becomes distorted and Shun appears from there with two goals: return to his own world, and complete Emilio's revenge. What future lies ahead for the two boys trying to survive in Endra, yet raised in two different worlds? (Source: MAL News)

The story focuses on Yui, a girl who lives in the town of Paparajuku, and who dreams of being an idol, even if she realizes that being an idol is next to impossible for her. Her friends often remark on how much she dreams about it. But then, the PriPara idol theme park opens in her town, and that an idol named Laala is coming to town from Parajuku, which only makes Yui dream even bigger. The new PriPara theme park has been updated with new concepts. However, due to a system error, Laala is no longer able to PriPara Change. (Source: ANN)