Galaxy Century 54, the solar system is recovering from the Haptain War, a war that cost humanity one third of its population, now the new Earth Union Federation's peacekeeper faction, the Antage Liberation Front (ALF), has seized control of the Asteroid belt to control in the stead of the weakened Federation, which has caused corruption within the faction as the colonies on the asteroid belt suffer from their rules. Emma Flyn, someone from the 2nd Asteroid Colony, is seeking independence of the Asteroid colonies. Our protagonist, Victor Mass, a member of a private security firm, Agma Security, takes on the mission to be Emma's bodyguard. But when the elite ALF unit conduct a raid on the base, the higher ups used Victor and the group of young soldiers made of boys as a decoy to make their escape, Clint Asagi, leader of the boy's squad, takes this abandonment as a reason to raise a coup d'état against the adults. As the boys held the ALF unit back, they must awaken a banned weapon from the Locua War, that was used to be the base's main generator, a gacha mech, named; Toku Gadriel