Molly, the last descendant of the Cervantes family, goes from being the apple of the imperial capital's eye to a fugitive slave in Pienkais City.
Her family's downfall has left an indelible mark on her and turned her into prey pursued by all sides.
As she struggles to survive, she unexpectedly awakens two intertwined powers: the Library of All Magic, which imprisons the soul of a God of Magic, and an ancient demon who made a pact with the original owner of her body.
With the flames of revenge and the demon's whispers intertwining in her heart, she walks the line between light and darkness. In this cruel world of slaves, magic, and political intrigue, Molly must master her powers to uncover the truth behind her family's sudden ruin and decide the world's future: will she become its savior and beacon of hope, or the demon who rules over all?