Federica is one of the bravest knights you'll ever see, she's strong, smart and kind, respected by other people, including the royal family. One day, the King summoned you, a descendant of Lucifer, to protect the princess and Federica, because the war began, and the King did not want to lose his daughter and the best of the knights. You have sworn an oath of allegiance to the royal family, and together with Federica you protect the kingdom from spies, enemy sorcerers and other problems