Its not rape fantasy I have, but its almost the same, where she has no choice.
Like if you don't, then I will so and so and you bear the consequence.
There's a word for it but I can't remember it, something along the lines of coerced or force.
Not the same as sleep with me and I will do something for you, but something like, if you don't, I will tell people of what she did.
The unwilling but helpless feel is such a turn on just thinking about it.