600 years ago, Luciel Anwar, the prophesied Daughter of Light, sealed away the armies of the Demon Queen with her blade, and brought peace to the land. It is now the present day, and the world is under attack by a new, mysterious threat. Due to a twist of fate, Sidan, a lowly guard of the city of Estrellis, acquires the same sword that Luciel used to defeat the demons. Sidan must now embark on his own journey, and stand up to the monsters that have invaded his beloved home. But living up to the legacy of his legendary predecessor will prove to be no easy task. And it appears that Luciel herself was worried about something else, a threat much greater than any demon or monster. One that seems to be related to the very weapon he is holding...