Ladies orders, orders of chivalry for women or orders of knighthood for women are orders of chivalry reserved solely for women. The most typical of these knight associations is the Order of Elizabeth led by Alys. The enemies of the knights are assassins from the southern land led by Mahistî. In order to counteract the power of knights, the assassin guild had recruited the elite assassins of the elves and allied with the demon legion to create the most powerful force against the knights. One day, the assassins of Mahistî attacked the stronghold of the knights with a plot to assassinate Alys. But with the strength and bravery of the knights, Mahistî's plan failed. Mahistî's most loyal assassin, Ygannea Perthyra, sacrificed her life for Mahistî to escape. Despite winning, but the assassin leader has escaped and she can return to revenge at any time. Therefore, Alys led her most loyal knights to the south to find the whereabouts of the assassin leader, and their adventures began