Mio Hoshizora is the main antagonist of Astra Tears: The Last Division, known as "The False Goddess." Apparently a War Maiden, she hides a heart of darkness: cold, calculating and ruthless, responsible for the death of her friend Haruka and manipulative of the feelings of Aya and her other companions. With his enhanced blade from the Elyth and control of the Astra System, he completes his global annihilation plan, causing the Great Division to totally destroy umanity.