HP – Black Lagoon Crossover Challenge
HP raised by Balalaika (Hotel Moscow)
Harry is left with the Dursleys who leave him in Roanapur
Harry is raised by first thugs on the street and then by a mafia gang, he steals and kills to survive
Hotel Moscow is paid to eradicate the gang he is in
Balalaika seeing what he can do, decides to raise him
Harry goes to Hogwarts and makes his own side in the war