Faaren, which was formerly a tranquil and blissful realm governed by a sensible monarch, underwent a drastic alteration as Ackdam, a malevolent demon, and his ominous dragon, in addition to a group of gloomy soldiers, seized control of the kingdom by slaying the king and abducting the queen. Fortunately, Sirius, the king's offspring, eluded capture and underwent intensive sword fighting and chivalry training with Rias, his father's faithful servant. Sirius emerged victorious as a proficient and strong fighter.