Laala tries to convince Mirei to return to being an idol, but Mirei refuses. However in Pripara a mysterious new idol appears, and Laala and the others get a shock when they find out it is non other than Gaaruru, Falulu's sister, but she is no longer a mini Falulu and has grown up. Gaaruru tells the others that she has been working hard to become and idol, and came back to Pripara to make her debut so that her big sister and her friends could watch. But she is frustrated that she is not allowed to perform because of the new rules in Pripara. Everyone heads out towards Neko's bar, where Meganii and the mascots have been spending alot of time since Hibiki's take over. Meganii leaves to put some of his things in the trash when he sees Laala and the others coming. He hides behind the trash cans and watches as Gaaruru sings and dances to the other who all applaud her. Neko and the mascots also appear after hearing Gaaruru sing. When Laala tells Kuma that Gaaruru wants to debut, Neko points out Meganii and says he maybe able to help. After some convincing Meganii gets over his depression and shows the group a hidden stage under an abandoned building. He agrees that the idols can use it if they help to fix things up. Everyone gets to work and the stage is up and running in no time. As Gaaruru gets ready for her debut, Laala and Kuma come up with a plan to lure Mirei into Pripara under the pretext of returning her Pripass, Cyalume charm and ticket bag. Once in the park, Laala and the others force her into the underground stage to watch Gaaruru perform. Falulu, Sophy and Sion also come to watch along with all the idols that are friends with Laala and the others. As Gaaruru performs she falls over a number of times but gets back up and continues, something Mirei takes note of. At the end of her performance, Gaaruru gains the pink lovely cyalume charm with golden wings like the ones Falulu received before trading them with Laala. Mirei also comes to realise the importance of n