The S-Class Dungeon Owner

In a world where owning a dungeon is the ultimate demon's dream, Succubus Adelaide inherits a legacy from a mysterious grandfather. But the dream quickly turns into a nightmare: a crushing debt that threatens to consume her. To survive, she must climb the rank from F-class to S-class, battling against all odds to conquer the dungeon's depths. But as she ascends, she will claim more than just power—she will command the hearts of three desperate men. Witness the rise of the mistress of the dungeon! Read Chapter 1 now!