The S-Class Dungeon Owner

In the depths of the demon realm, owning a dungeon is the ultimate dream. For Succubus Adelaide, an unexpected inheritance from a mysterious grandfather provides the golden ticket—but it comes with a crushing debt that threatens to consume her. To survive, she must climb the ranks from a pathetic F-class to the legendary S-class. But as she ascends, she will discover that her empire is not the only thing she is building. Three powerful men will fall under her spell, and the only thing they are more desperate for than the only way out of her dungeon is her attention. Witness the rise of the ultimate mistress. Dive into Chapter 1 now!