Alexx Andria - The Marriage Clause

She can’t be tied downUnless he can persuade her it’s worth it…!Katherine Oliver is not interested in getting married. The only problem is she can’t keep her hands off gorgeous billionaire Luca Donato, who wants to put a ring on it! So she puts Luca to the test in an X-rated battle of wits—to persuade her that their nights of passion can turn into something more!