A billionaire in love with his best friend. A woman pregnant with another man's baby. Together, in a friends-to-lovers romance. I've been in love with my best friend for what seems like forever. But she wanted the one thing I couldn't give her. Now, she's pregnant with another man's baby. The "donor" wants nothing to do with her . . . or the child, so I do the one thing I've always wanted to do. I claim her--and her baby--as mine. She worries...