I constantly have the same fantasy of being able to blackmail or pay my female friends into becoming my sex slaves. Most often one girl I've wanted for years. In the fantasy I would either become a billionaire and invite them out to my island and write a blank cheque for them to sell themselves to me, or if blackmail it would usually be I discovered their nude pictures or videos and threaten to release them unless they do what I want sexually.

Sometimes I fantasise it's me doing it all and other times I imagine I'm someone else. For example the girl I want the most has a stepdad, I sometimes imagine I'm him and she still lives at home, he finds her nude pics and vids and confronts her about it, she's so embarrassed and begs him not to tell or show her mum, he agrees not to, but then places his hand on her shoulder and hints at her to kneel, she does so thinking he wants her to literally beg but once she's kneeling he begins to take off his trousers. She's shocked and nervous, a little angry, but deep down she knows what she has to do to keep him quiet. So she sucks his cock. Letting him cum wherever he wants. Once it's done she goes to leave but he asks where's she going, and he instructs her to strip. She reluctantly does and before long he's eating her pussy out on the bed, before getting hard again and fucking her hard in multiple positions. Sometimes she cries, depends how horny I am when fantasising this!

Another favourite version is being her boss and she messes up badly damaging the company and to avoid being fired or blacklisted from other companies she agrees to go to her bosses weekend retreat home, and be his sex slave for the following few days!

I love the power and dominance of most fantasies I think of like this. To be able to make them do anything I'd like, it's very satisfying!