Burning Demons and Refining Ghosts: My Underworld Flames Are Invincible

[High Martial][749][Invincible Power Fantasy][Comedy] After graduating from college and going through a fierce selection process, Li Mu landed a job that would save him decades of going down the wrong path. One night, the appearance of a female ghost activated his System. After collecting emotional points, the ghost stared at Li Mu, who held a thunder talisman in one hand and ghostfire in the other, and stammered, “There was this precedent, a guy called Ning Caichen. Little bro, would you be interested in becoming a ghost-riding knight...?”