Duty At What Cost?

This is an Apple Books audiobook narrated by a digital voice based on a human narrator.
When the Wolfe's at the door 

To protect Princess Ava de Veers, James Wolfe must keep his mind on the job. Having shared one passionate night, Wolfe knows exactly how willful, independentand sexyshe is. But he will separate his feelings for Ava from the task at hand.  

Wolfe is the most daring man Ava has ever met and he drives her crazy! Yet as the threat to her life escalates, he's the only man she can trust and the only place she feels safe is in his arms. But, as royalty, Ava knows that duty always comes at a cost.