Manga Undertaker (2016-)

Undertaker Jonas Crow is charged with transporting the coffin of an ex-miner become millionaire back to the mining vein that made his fortune. The funeral should have been a calm affair, but there's an unexpected turn of events: on the eve of his death, Joe Cusco swallowed all his gold, so as to carry it with him for all eternity. Unfortunately, the secret was leaked, provoking the fury of all the miners of Anoki City. They can't just leave such a fortune to be buried while they're sweating their souls away in the mining shafts! As Jonas says, death never comes alone...