C1233 The Ghost Market(1)

Hearing my question, Su Jin smiled and said, "Of course. You have to pay for anything you buy."

"Then … What kind of money do they use?"

Su Jin said, "They use the Underworld Coins, the currency that circulates in the Underworld. Some of these coins are issued by the Underworld, and some are burned in the Yang World."

"Burned in the Yang World? It's paper money?"

"That's right