Ren Nanahoshi has been on a quest to recapture a childhood joy he had at a live music festival. As a first-year university student, he avoids making acquaintances and practices singing alone in the hopes of rediscovering his adrenaline. Nanahoshi meets Yuuto Goryou and Wataru Matoba, both of whom are impressed by his singing, after a chance encounter at a karaoke bar. They've been looking for band members and want Nanahoshi to be their lead singer. After seeing their live event and performing with them, Nanahoshi relents to their continuous pestering. The five boys form "Argonavis" with the easygoing Rio Kikyou and the impassioned Banri Shiroishi, and set their eyes on headlining the Destiny Rock Festival. As a result,