The Best Bad Boy by Sallie Steadman

A rival mafia family gives my father an ultimatum: your daughter for our protection.
I have been disowned by my family, so they’re using my little sister for the trade.
I can’t let this happen to her. She is so young; her life is just beginning.
I’ve decided to put my life on hold to take her place.
I meet the man I’m supposed to marry, who is gorgeous and arrogant as hell.
He is being groomed to take over his family’s business.
I try to ignore him; this is only a business arrangement to me.
He finds my cold shoulder amusing and wants to know me better.
He is very charming and makes me laugh. I’m falling in love with him. But this is not the life I wanted.
When his father is shot, he struggles with his death. Can I convince him to get out of the business for the sake of his baby in my belly?