When Emi crash lands on loser Kouichi, he?s forced into the middle of a galactic showdown. Through a death-bed deal with the Linebarrel mecha, Kouichi gains the strength to crush an alien invasion force. There?s just one problem. All this new power is turning him into a jerk. He may be able to save the world, but Kouichi?s got much to learn about being a true ?Hero of Justice?.