Yuusha no Kuzu

In an alternate 21st century, ether-enhancement surgery allows wealthy mafia members to transform into "Demon Kings," and "Braves" are the bounty hunters tasked with eliminating them. Yashiro, who values simple pleasures like pizza, beer, and card games, is approached by three young Braves offering a generous payment to serve as their private tutor. Motivated by the money, he accepts the job, though it remains unclear whether the financial reward justifies the risks he may face.