Isekai Millionaire Hero!: Enemy You Defeated Has Turned Into a Gold Nugget, So You Can Become Matchless with the Power of Money

The only skill I possessed when I was run over by a truck and reincarnated in another world was the <Cash> skill that ``defeated enemies will turn into gold bars''-! "Rising from the weakest poor to the strongest savior!" A foul hero who makes no effort saves another world with the power of money!!