Who Made Him the Grim Reaper

After dying, Su Fan transmigrated into the Underworld as a soul-reaping agent. Instead of just following orders, he completely reformed the underworld's culture! While claiming he is merely fulfilling his duties, his intense work ethic forces his colleagues to work overtime, leaving even the Black and White无常 and the Underworld Administrator in panic. Unexpectedly, his extreme diligence attracts masters from the Celestial School and Buddhist sects into the Underworld! The Ten Kings of Hell and the Black and White无常 are stunned: 'Who exactly hired this grim reaper?'