She’s the ghost who knows everything. He’s the devil who owns the world. No one has ever seen her face. No fingerprints. No trace. In the underworld, she is a myth—a whisper in the dark, known only as NYX. A gothic hacker queen in black silk and cigarette smoke, Melantha dismantles empires with a few keystrokes and a smile colder than death. She doesn’t trust. She doesn’t feel. And she doesn’t exist… Until he starts hunting her. Jeon Jungkook—the ruthless mafia king of Hell’s Angels. Feared in Seoul. Worshipped in Moscow. He doesn’t chase ghosts. He buries them. But when his empire is hacked and his secrets bleed, he sets his sights on one target: NYX. And once he finds her, everything changes. Power meets power. Predator meets predator. As secrets unravel and enemies close in, their worlds begin to burn. In a deadly game of lies, betrayal, and obsession— Will they destroy each other… or rule the underworld together? Welcome to a world where loyalty is a weapon, love is a trap, and the only rule is: Kill or be replaced.