This was very painful and uncomfortable to play and read. I am terribly sorry for what you've gone through, and I hope you can find the help you need one day.
Reading what you said about Sally being strong and not giving a damn about sex, with all the context this game provided, I didn't perceive Sally to be a strong, unphased woman. It sounds like she's as traumatized as you are, not immune to what you both had to endure.