I had given her my name, I had given her my protection, but that didn't mean I had any right to her.Ethan: I gave her a place to stay, and I owed my life to her brother, who died saving mine.It was only supposed to be until I was done with my deployment.But now I need her to stick around a little while longer.To help me, secure a future from a father I never wanted to know and brothers who despise me.I never counted on needing or wanting Sabrina, nor falling in love with her.She is everything I could ever want but I have no idea how to make her mine.Sabrina: It had been foolish to get married just to have a place to stay.But I was desperate and it wasn't going to last.That was until I find myself flying to New York with Ethan and meeting his familyTo seeing the wonderful man that he is.And how desperate he wants a sense of purpose and to belong.That I want to be the one who gives him all of that and my heart.The Billionaire's Necessary Marriage is a best friends little sister billionaire fake romance with plenty of heat with a guaranteed HEA and no cliffhangers.