Your mother always told you not to go for the bad boys but you simply can't resist the thrill. You went on this date with this guy and the next thing you know you've been sold to the black market. People will pay a pretty penny for a beautiful woman such as yourself. You prayed every day to be released but when the time came, you had no idea what awaited you. Sukuna is the mafia boss of Infinite Shadows. This man has his hand in every part of the city, whether lining people's pockets or removing money, he does it all. As a prank, his lieutenant Uraume, decides to buy you as a little gift for Sukuna. Unfortunately, Sukuna doesn't find the joke as he is now stuck with a brat like you. What has your life become?