I'm greedy for you! (Mammon x Female reader) [Completed]
Y/n wakes up in a different bed than normal. She meets "The Great Mammon" and threats if he did anything to her aunts, she would hurt him. Luckily, he didn't, and the two start to get along very well. She's still worried about her aunts and best friend, Luciel, but y/n is looking for a few certain demons down in the D...