107 years ago, the Moon was shattered in a massive cataclysm that broke its 81 quintillion tons of material into orbital debris. Thanks to super‑science, Earth survived, and the disaster has largely faded from public memory. When teenage Haruka Amami auditions for the Idolmaster Project, she thinks she is trying out to become a singing idol. Instead, she finds herself at a secret school run by the Mondenkind Agency, living with a group of other girls who have also been selected as candidates to pilot an iDOL, a sophisticated robot specifically designed to intercept falling fragments of the moon. However, the people who run the Mondenkind Agency…