After avoiding catastrophe in Australia while dealing with the Seal of Life, Akagawa Kaori, the Lich Queen of Risen Athelia, now sets her sights on the Seal of Water. The revelation that the guardians of the seals might be able to escape and cause trouble outside the seals puts the threat they pose into a more immediate focus. Knowing the damage that a sea monster on the loose could do to the global economy, to say nothing of her native land of Japan, the Seal of Water made itself her new target.But, given the vibrant creatures that have been placed as guardians in the other seals, what can she expect to face her with the Seal of Water?