Hiraeth

Scarlett Ivanov, an assassin who works for the Russian Mafia. She is intelligent, cold hearted, arrogant and a ruthless killer.
When she was little, she had a homesickness, looking at the kids, going to a place called home. A hiraeth.
Now that she is 17, she has her own legal and illigal underground business, she has given up on the dream. That doesn't mean she doesn't have family. She has him. Her safe heaven.
Beau Stewart Clark, the good boy and perfect son was how he was until he met her. He clinged to her, ignored her death threats all because of his tiny crush.

But when she is forced to attend a school, a stranger claims to be her brother, where shock would be an understatement.
With a cold facade and deep secrets she has to move in with them, but will her heart ever let them in? Or will the past monsters win?