Mythical creatures and old gods suddenly begin appearing around the world. A mysterious demon-summoning app downloads itself in many mobile devices. Shigeru Nitai and Chihaya Watanabe are caught in the ages-old feud between Japanese and Ainu deities as civilisation falls and the cause of such chaos remains undiscovered.

A look into the past, imagining how life and warfare in ancient Eldia must have been like. The empire is still expanding and there are many "uncivilised" cultures around. How did the past titan shifters deal with killing thousands? How did the non-Eldians react to being ruled by people who can turn into giant monsters?

The Dragonborn, a rather dirty-mouthed half-breed and her half-sister have to eliminate the dragons. Vengeance, love and some lesbianism. Will they surpass the Daedra with their perseverance?