The Mafia's assassin (Harry Potter fanfic)

Hadrian Potter a hardworking University kid. His mother died in childbirth and his father blames him. Hadrian struggles through life with a horrible stepmother and stepsister. Harry needs money to pay for University and to look after his brothers. Hadrian only sees one option that can get him enough money. He becomes the best known assassin in the country.

what will happen when the leader of the most dangerous Mafia leader in the world decides Hadrian is to be his no matter what.

Hadrian has to juggle University, his job, trying not to be caught and looking after his twin five year old brothers. Hopefully the attention of Voldemort won't through him over the edge.