With a new school year unfolding at Yuigaoka Girls' High School, Liella!, the renowned school idol club, is eager to welcome fresh faces. Despite their stellar reputation, the club intimidates potential recruits with their exceptional skills and demanding practices. As club leader Kanon Shibuya interacts with first-year student Kinako Sakurakouji, she unveils the enchanting realm of school idols. Inspired yet hesitant due to her self-perceived mediocrity, Kinako hesitates to join the dazzling Liella! ensemble. However, fueled by the club's unwavering support and shared aspirations, Kinako embarks on a journey to compete once more in the prestigious Love Live! Competition, aiming for the stars alongside her newfound companions.