Yukiya Iiyama, a typical young boy, finds solace in music amid the cacophony of the bustling city. Struggling with an artistic block after his close friend and songwriting companion, Natsumi Souda, gains stardom as an idol, Yukiya grapples with conflicting emotions. While he admires Souda's success, her ubiquitous music hinders his own creativity. Unexpectedly, Souda seeks a reunion at the music store where Yukiya works, reigniting their musical bond. Despite his initial reservations, Yukiya yearns to rediscover his songwriting muse, torn between nostalgia and newfound aspirations.