Mirai Momoyama, Emo Moegi, and Rinka Aoba are second‑year pupils at Kirarigaoka Middle School in Kirajuku, and together they create the idol unit "Miracle☆Kiratts"! Their live‑stream shows have exploded in popularity! One day, a enigmatic Pri☆Chan star named "Dia" arrives and hands out a Jewel Pact to everyone. She also unveils the "Jewel Auditions," an event where shining idols are selected to become Jewel Idols. Only those who succeed in the audition with a glittering heart can make their Kiratto Jewel blaze, earning them a Jewel Coord. From all candidates, only the top Jewel Idol may don the coveted Diamond Coord in the dazzling competition. Who will it be?
