Madoka Kyouno is an energetic girl brimming with passion. As the proud and sole member of the Kamogawa Girls' High School Jersey Club, she goes about helping those in need. Madoka's life is turned upside down when a mysterious girl named Lan suddenly asks her to pilot a robot. Driven by her desire to protect the people and the city of Kamogawa, Madoka agrees to pilot the resurrected Vox robot to fight against extraterrestrials that have come to attack Earth.