Terminally-Ill Genius Dark Knight

Terminally-Ill Genius Dark Knight, 시한부 천재 암흑기사, Time-Limited Genius Dark Knight

is a fantasy RPG infamous for its extreme difficulty.
However, to Yoo Chan, who was diagnosed with a terminal illness at a young age, this game was his entire life and has now become his reality.
From now on, Yoo Chan has to survive in this world as Nox von Reinharber, the worst villain in the first act of the game.
Will he be able to reach the end of the story safely?