Detained for their pleasure, or mine?

So, thought I'd put into writing a story or fantasy which has been whirling around in my thoughts over man years. Be kind I've never written down this or any other story. But the thread of the story is

Wake up in unfamiliar bedroom

Realisation I'm being held captive

Realisation my captors are 3 women who will use me for their desires

The rules

My servitude begins

The many treatments and experiments

The door is opened, you may leave