In a future world, the earth is besieged by "bugchines" or destructive mecha. To turn back this menace, warriors called AM Drivers are trained and armed with special weapons.In a future world, the earth is besieged by "bugchines" or destructive mecha. To turn back this menace, warriors called AM Drivers are trained and armed with special weapons.In a future world, the earth is besieged by "bugchines" or destructive mecha. To turn back this menace, warriors called AM Drivers are trained and armed with special weapons.