Sorry but I only remember two main events that got stuck in my head. 1- Someone tries to rape her and she manages to get away but she doesn't know how she did it. (Some capability she wasn't aware of) 2- She enters a place where there were a standing genetically-modified being and sees some extrange movement in the crotch. Only to realize the being was hermaphrodite and it was actually having sex with itself.
Yeah, I know. But it was a shelf book, no some porn story. I read it in the '90s.