Together with his school's journalist, Hiyono Yuizaki, and the unwilling assistance of his sister-in-law, Madoka, Ayumu tries to figure out who the Blade Children are and what are their goals.
Bersama dengan wartawan sekolahnya, Hiyono Yuizaki, dan bantuan yang enggan dari kakak iparnya, Madoka, Ayumu mencoba untuk mencari tahu siapa Blade Children dan apa tujuan mereka.