Reborn as a vampire to a noble father and his shunned concubine, Mercedes Grunewald is doomed to an ill-fated life. She turns to the dungeons to change that, and no matter what she finds there, she’s determined that it will make her moon full.

After bringing stability and peace to his land, Kai Lekius, the Sanguinary King, fell into a deathlike slumber. Three hundred years later, he wakes with great anticipation of the world that awaits him. But it seems that hope has been misplaced...

In a post-apocalyptic world where the rich live forever by consuming the lives and blood of the poor, a village boy and a royal girl fall in love and seek to dismantle the structure of society.