PriPara

short for Prism Paradise, is a Japanese arcade game by Takara Tomy. It is the successor to the Pretty Rhythm series of arcade games. An anime television series adaptation by Tatsunoko Production and DongWoo A&E began airing from July 5, 2014 to March 28, 2017. It was succeeded by Idol Time PriPara on April 4, 2017.

Plot
When the right time comes, every girl will find that a mysterious PriTicket has been delivered to them, granting them entrance to the world of PriPara, where up and coming idols perform and partake in auditions. Unfortunately, in Paprika Private Academy, PriPara activity is prohibited for elementary schoolers. But an unexpected chance comes to fifth grader Laala Manaka when she finds a lost PriTicket bag belonging to an idol named Mirei, leading her to the PriPara world where she makes her idol debut with Mirei. It is also revealed that Laala possesses something known as the 'Legendary Prism Voice'.

Official
http://www.takaratomy-arts.co.jp/specials/pripara/ http://pripara.jp/