The Idolmaster: Shiny Colors The series follows the female idols and the producer and staff of 283 Production and their activities as idols, including concerts, events, and stage productions. There are a total of 25 idols in 283 Pro as of the 3rd anniversary update, grouped into seven units. Each of these units comes with a unique gameplay trait, for example illumination STARS uses two stats for their appeal strength instead of just one.