Because of a sudden accident, Janne found himself in another world, reborn as the son of the Demon King. In these vast and shadowy depths, he became the master of the underground city and heir to the throne of the Demon King. Yet dangers lurked everywhere in the darkness. The demons, equally eager for the crown, watched his every move, while monstrous creatures hid deep within the earth. Adventurers, driven by greed for treasure and tales of glory, wandered through the labyrinths, and knights descended from the surface, fighting for justice. Bound by ancient oaths and banners, Janne would wield his scepter from the depths of the underground, bringing unprecedented change to the world. And Klein, this continent weathered by countless storms, was about to begin a new chapter.
“People fear the darkness, dread the unknown, and are terrified of death. The Demon King, then, is the very embodiment of their deepest fears. As the ruler of darkness and the master of the Hall of Demons, the Demon King must ensure that all understand both how to fear and how to respect him, finding a perfect balance between brute force and sweet persuasion—much like forcing a human to eat a piece of bread, then smiling as you inform them it contained half a cockroach.”
—Seprath, the 333rd Demon King
The flickering candlelight gently illuminated the dim study, casting wavering shadows across the room. In its weak glow, a young man could be seen curled up in a chair before the desk, poring over a hefty tome.
He appeared to be about sixteen or seventeen years old. His handsome face was pale and gaunt, a result of long days spent away from sunlight, and his jet-black mage’s robe draped all the way to the floor. At first glance, he seemed no different from any ordinary person. Yet the subtle horns peeking through his hair at his temples, and the vivid red of his eyes, betrayed his true nature.
He was a demon.
“Hah…”
After a while, Jayne finally closed the book before him, removed his glasses, and massaged his aching eyes. Unlike the precise, structured writing of spellbooks, the historical records of the demons were almost unreadable—dry, rambling chronicles, more reminiscent of a child’s hastily invented holiday homework than genuine history.
In some ways, even the web novels Jayne used to read were a thousand times more entertainin