Kai Nagisa, a normal high school girl who wishes to one day become a professional wrestler, is suddenly approached by a robot known as an Iczel Iczel urges her to help save the Earth from invading aliens called Geas The Geas, led by Chaos and Cross, are bent on stripping Earth#39s resources and then destroying it To fight the invaders, Nagisa must merge with Iczel and become a battlesuited warrior named quotIczelionquot She is reluctant to take up this sudden unbelievable task and fight with the other Iczelions of Earth because Nagisa just wants to live a normal life without having such big responsibilities Nagisa must overcome her fears and fight, together with other Iczelions, to prevent the invading alien forces from destroying their homeplanet, Earth
