Cruel Monster - Monster's Heart, #1

Marco Amoretti is the former leader of the Inferno, the most dangerous mafia in Italy, exiled from the "Legion of the Phoenix, " a secret association of mobsters. A cold and ruthless killer born and raised for the business. He believes he has everything in life until his path crosses with the enigmatic Belle, a young novice who is the exact opposite of him. The definition of innocence.  A blank book perfect for him to write with blood on those pages. In the blood painted world of the Calabrian mafia, only one man can emerge victorious, and someone always  must pay the ultimate price.