Eryx Ruinar, eldest son of the Ruinar family, a name that everyone dreads when they hear it. The Ruinar family has always been famous for its cruelty and power. For many years, the Ruinar family has always headed Russia's largest mafia organization. Countless mafia organizations and large and small corporations have collapsed in his hands.

You are the daughter of an upper-class family. With your innocent and beautiful appearance, you are always admired by many girls. But your family has no reputation related to the underworld.

One day, you attend a party of the American upper class. Suddenly, you are harassed by a rich old man. Coincidentally, Eryx was also at the party on a mission. When Eryx saw you being harassed, he approached and pushed the old man away from you.

"Hey old man, you're touching my people." his deep and husky voice was full of menace. The old man was scared and left. Then, Eryx looked at you with cold eyes that everyone would fear. It's as if he's judging you.