As the highly anticipated big concert approaches, Kasumi Toyama and her bandmates from Poppin'Party gear up for their moment under the dazzling lights. With a massive outdoor stage awaiting them, the girls are on the brink of shining brightly in the music scene. Joined by fellow bands Afterglow, Pastel Palettes, Roselia, and Hello, Happy World!, the event promises a whirlwind of J-Pop excitement. Amidst the friendly competition between the bands, it's the audience who emerges as the ultimate victors, basking in a euphoric musical experience.