The journey to war has been grueling for the 77th generation of understudies in AKB0048, a unique group blending music and combat to restore peace. As they vie for the coveted successor roles from the original members, tensions rise among candidates from earlier generations. Amidst fierce stage battles and unexpected betrayals, the revelation of a traitor supplying critical intel to the enemy DES forces shakes the group's foundation. Will the unveiling of the Kirara's source jeopardize their intricate defense dance? With public opinion and trials by fans challenging their skills, the squad faces a test where showmanship may outweigh bravery in their quest for survival.