Who Threatened Me With a Knife?

A ninth-grade civil servant, Seo Jihoon, only ever wished for a long, quiet, and peaceful life. But after being fatally stabbed by a violent petitioner, the place where he opened his eyes again was none other than a martial world where martial arts truly existed. Even there, he only wanted to live quietly… Until he encountered the one man he should never have crossed paths with. “Choose. Die here, or become my disciple.” An old man who pressed a blade to his throat without warning. His true identity, the cult leader of the Heavenly Demon Sect. Thinking survival comes first before anything else, Seo Jihoon had no choice but to become part of the Heavenly Demon. Once a capable public servant, he grew into an unrivaled talent within the sect, armed with powerful martial arts and sharp intellect. But why does the work keep piling up? Why does he keep getting promoted?! His original goal was simply a peaceful life, yet somehow, his second life is racing down the path of the Heavenly Demon. Will he ever be able to find the life he truly desires in this world? (Source: MangaUpdates)