Orario has erupted in fearand bewilderment as weapon-wielding monsters appear above ground. This Irregularis drawing every power residing within the city into a whirlwind of trouble. ForLoki Familia, this seems like the best lead they have so far in their search forthe key to the man-made dungeon. The Sword Princess steels herself as they begintheir search, but in this fateful battle that revolves around people andmonsters, Aiz will have to grapple with much more than she bargainedfor.