The story follows a young genius university professor who is able to learn any language. He is asked to decipher a code used in wireless communication: the Luger Code, developed by werewolves, enemies to mankind. Startled to find that he cannot decipher the code and desperate to study it, the professor embarks on a journey to capture a living werewolf to aid him.
The story centers on an introverted high school student named Eiji Hoshimiya with a huge secret—he wished for the destruction of the world when he was younger. Fairies give certain people special powers called Orders, and what Order Users can do with their power depends on their wishes. Ten years after the Great Destruction, Eiji struggles to come to terms with his immense power.
The Second is dead and the Gasai Yuno in the third world finally gets to live a happy life with her loving parents and friends from school. But there is still an empty place in her heart — it seems she has forgotten a person really close to her but simply cannot regain her memories...