His Private Duty (French Conquests #5)
Niomie Roland

Sienna isn’t certain the arrangement with Max is a good idea, but after a string of disastrous breakups, she welcomes the idea of a short-term affair.
As their ravenous fling rages on, Sienna begins to desire more. But when she discovers Max has been less than honest with her, it shatters any hope for a future.
For Max, letting a regrettable decision dictate his life’s trajectory is no longer an option. He’ll retake control of his life and do what he must to win back his heart’s greatest desire.