As Eruna Ichinomiya gears up for high school, she faces a dilemma: none of the traditional schools capture her interest with their mundane uniforms. However, her world changes when she stumbles upon Mikagura Academy. Surprisingly acing the entrance test, Eruna uncovers the school's unique nature—it revolves around culture-based clubs that all students must join, featuring a competitive battle system where they vie as club representatives. Now, Eruna must unlock her hidden potential and triumph in her inaugural club clash!