On the 2013 mid June the world was shaken upon the outbreak of a "Coup D'etat" of an unknown terrorist group that bombed several cities and province on the country of Philippines, soon after the attack of the terrorists group widened and began threatening other countries, witch led the entire world to be involve at this war, several years after the war a boy named Yuu Mirai was set to a target of the whole that he was going to enter in a school built for military purpose now as he will attend his new school not knowing the he is the target of his very own classmates what will happen to him?