Cyan has to fight the dark monsters, but what will she do when she has to choose between performing with her band or protecting Sound World?

After everyone discovers the truth about Cyan, President Maple proposes a training camp as they prepare new songs for the Grateful Rock Festival.

Something strange is going on at Yokai Street, the hot new spot for street performances. Can Cyan and the others help solve the mystery?

Plasmagica hasn't performed enough concerts to play in the Grateful Rock Festival, and Aion's gloominess is causing problems with his bandmates.

As Plasmagica practices for the Grateful Rock Festival, Strawberry Heart warns the girls about Dagger's plans, but Chuchu's ambitions take a dark turn...