City: I Use Hell Money to Slap Faces Worldwide

Others fear ghosts, but he gets rich from them; others burn paper for peace, he burns paper to buy luxury cars. Chen Mo, a temporary worker at a funeral home, gets bound to the 'Underworld Tycoon System' on the day he is dumped: burn hell money, get a hundredfold cashback; the harder you slap faces, the better the rewards. His ex-girlfriend thinks he's poor, so he casually burns 50 million; a rich second-generation laughs at him for being low-class, so he summons a ghost king as his bodyguard. When supernatural revival causes global panic, he queues up at the funeral home to burn paper, becoming the top tycoon of both worlds. — Description from novelcodex.org