Fifteen-year-old Olivia grew up studying books and the blade under a death god. But when her teacher goes missing, Olivia is unleashed upon the battlefield. As war shakes the continent, neither side is ready for death's daughter and her ebony blade!

Swordmaster Adel gets a second chance at rescuing the princess who once saved him, but it means going back in time...as a beautiful woman! Now a swordmaster and a Saint, can Adel change the course of history?

The young Olivia sets off on a journey in search of the death god who raised her when it vanishes without warning. Armed with its ebony blade, she enlists in the royal army and takes down everyone who stands between her and her goal—finding Z!

In a city of the dead, lives a single human child. "I promised you. It's gonna take a while, but I'll tell you everything. This is the story of the deaths of many heroes. It's the story of how we died, and it's the reason you grew up here."