There’s absolutely nothing wrong with you. Rape fantasies continue to be one of the most popular. It used to be theorised it was about the loss of control but I was reading this absolutely fascinating article in Psychology Today recently and the causes are seen as far more complex (and interesting) today:
So don’t feel guilty, firstly know it’s very, very common, but also it’s just a fantasy, it doesn’t mean you want it in real life. That’s what fantasies are often for, to let your mind go places you wouldn’t want to for real. It’s the sign of a HEALTHY and creative mind, so let go of any guilt, and stop worrying about it.