KING OF PRISM by Pretty Rhythm

The group Over The Rainbow achieves success with their debut. Inspired by their example, more students join Edel Rose. Hiro and his peers start training for the Prism King Cup, a competition that occurs every four years. A competing group named "Schwarz Rose" emerges, challenging their position. The contest will determine the Prism King, the performer capable of most strongly captivating the audience.