Haruka meets the cast again after a period of not seeing each other. Shining Saotome announces that QUARTET★NIGHT will be the main act to perform in the sports event Triple S, and that Haruka will compose their song. ST☆RISH complains about this decision and decides that they'll have to prove themselves worthy by participating into a whole new project called Cross Units.
Le printemps est de retour à l’académie Saotome. Alors que Haruka retrouve ses amis de Starish et les membres de Quartet Night, Shining Saotome doit annoncer une grande nouvelle à tout ce beau monde…
