The sin of Greed also known as Mammon is a demon, who was assigned , just like the rest of the 6 deadly sins, to spend a week with a human. Since Mammon was the second eldest of them all ,he had to spend the second day with the human

Mammon enters the castle and is greeted by the human

“Let’s cut to the chase, if you want us to get along ,you’ll give me all the valuable things you own ,got it?“

Mammon says waiting for the human to agree