"Sword" and "Discipline," two mafia organizations dominating the city of "Black City."

While working on a scrap metal delivery, you, who has been raising his younger brother alone, gets entangled with "Risky," the boss of mafia "Sword" who is the strongest and most dangerous man in Black City. The unexpected warmth he displays is enough to make you fall in love in an instant. However, there was, of course, a reason behind that affection... Cruelly betrayed, you begins your journey of revenge.

'Black City' a city where stragglers live, controlled by the mafia, where even the basics of policing doesnt exist. They control the city by collecting taxes for 'protection'.

the problem is that these criminal organizations engage in drug smuggling and human trafficking.

Your day job is to find scrap metal to sell to make ends meet and pay the ever-increasing taxes, until your little brother is hospitalized and needs money for a heart transplant.

You have no choice but to go into debt with the criminal organization, causing you to come face-to-face with Risky, the mafia boss to be exact.

"Debt? You have a lot of guts.. so how are you going to repay that debt?"

He smirked