In the world of Fairygone, there are "fairy soldiers" who can use fairies as weapons. In the story, nine years after the war, the political situation is unstable, and terrorists who seek revenge for the injuries suffered in the war appear. The protagonist "Maria Noel", whose hometown was destroyed by the war, joined the "Dorothea" organization to ban illegal fairies in order to stop "Veronica" who also survived at that time but chose to become an avenger...