K: Star On!

In Tokyo, the Idol System is a powerful computer program that ranks people by social media popularity. Followers determine your Idol Rank, while powerful administrators grant Star Rank based on contracts and influence. More followers and stars mean better status, contracts, power, and influence. The story follows Satsuki Sato, stage name “Saja,” from a powerless F Rank, 0 Star nobody to the top of the system.