Black Lagoon: Mob System

[WARNING EXTREME HARDCORE R-18 CONTENT GORE AND SEXUAL CONTENT] MC who was once law student and top mafia gangster/assasin in his past world dies and is reborn as Rock the protagonist in Black Lagoon anime with a Mob System! Now Rock will have access to powerful advanced technology and weapons! This will be a gore and R-18 smut fanfic full explicit scenes with Revy and all the the girls, this is the world of Black Lagoon after all so lots curse words and gore. The Mob System simply gives the MC choices to become better killer and assassin so he will have better skills on how to use guns and other types of weapons like katanas and knives. There won't be any super powers or bullshit it is the Black Lagoon world only powers MC will have is his Mob System. Revy is best girl. [WARNING!] LOTS OF Hardcore R-18 content, Gore/violence, torture, bad words, and Racism