The Nanny, the Billionaire: Part IV - New Adult Billionaire Erom Series, #4

Gia is innocent-no-more, thanks to her billionaire boss Jeremy Casey, and she thinks she's finally ready to take things to the next level. But Mr. Casey is looking for more than just a girlfriend. He wants a family. Gia has always been mature for her age, and she has one last chance to show Mr. Casey who the real boss is...once she gets him tied to the bed, of course.