Madoka Kyouno, a spirited and passionate young girl, leads the Kamogawa Girls' High School Jersey Club single-handedly, extending her aid to those in distress. However, her world takes a drastic turn when she is approached by the enigmatic Lan, who enlists her to operate a robot. Driven by her determination to safeguard Kamogawa and its inhabitants, Madoka bravely steps up to pilot the revived Vox robot in a fierce battle against alien forces threatening Earth.