Madoka Kyouno, the lone member of Kamogawa Girls' High School's Jersey Club, exudes an intense passion and seemingly endless energy. She spends her time eagerly lending a helping hand and aiding those in need. However, everything changes when a mysterious girl named Lan approaches her with an unusual task - to pilot a robot. Despite the potential challenges, Madoka's unwavering commitment to safeguarding Kamogawa and its residents propels her to accept the mission. As a Vox pilot, she courageously battles extraterrestrial invaders set on annihilating Earth.