For the past millennia, demons roam the earth to collect sinful beings to be punished. Y/n, who is now called Lust, is assigned to gather souls by their capability to manipulate the mortals to fall into sinful crimes. But what if the soul she once adores is brought back to earth; Is it to punish the devil that committed a forbidden law from the past? This story contains: Mature contents, drug use and an act of sexual violence.