Time-Limited Genius Dark Knight follows a protagonist who reincarnates into a world of magic and monsters as a genius knight, but with a cruel twist: he only has a short time to live. To survive and protect those he cares about, he must use his immense intellect and combat skills to solve deadly problems before his time runs out. Readers enjoy the story for its high-stakes tension, clever strategic battles, and the emotional weight of a hero racing against his own mortality.