It all begins with the wedding of King Nicholas of the sacred Griffin Empire and Lady Isabelle. However, the wedding is interrupted by a demon who invades right in the middle of the ceremony. This can only mean one thing – a new invasion from Shio*. While Nicholas leads the main forces of the empire into battle, Isabelle leads her own rebel war, helping her beloved. This war will be remembered in the history of Ashan* as the "War of Queen Isabelle." In the final battle, Nicholas is mortally wounded by a certain Agrail, one of the close associates of the demon lord, Kha-Beleth. The king dies in the arms of his uncle Godric, making him swear that Isabelle will rule the country. Isabelle, in turn, makes a vow to