The Deliveryman Who Dropped Dead: I’ll Become Lord of Reincarnation Through Merit

Transmigrate to the underworld and become its lowliest forced laborer. Slap faces to defy fate and level up! A delivery driver dies suddenly and transmigrates to the underworld, saddled with 520,000 in yin debt and condemned to labor for all eternity! Then he awakens the Face-Slapping Godhood System. Whoever acts arrogant gets beaten down. The harder he slaps them in the face, the stronger he becomes! Trample bullies, subdue corrupt judges, and shatter the rotten rules of the underworld! From the lowest insect in the underworld, he rises against fate! If all beings torment and humiliate me, I'll flatten the entire underworld and decide life and death for myself!