Passion Revealed (Happily Bedded Bliss #4)
Jenna Allen

What is better? Acting out a fantasy or making love in reality? He calls and she comes running. She's ready and willing to play whatever game he's dreamed up. Deep in the woods, he crosses a line and she fears she's pushed him to the brink.
Caveat - One person's fantasy can be a turn-off to another. Coming up with a compromise between force and seduction might require more flexibility than is comfortable.