There is, to me, a perfect reality, and then a most arousing sexual fantasy. The two dovetail, but are intrinsically separate.

The perfect reality is the stateless, classless, moneyless society of Communism. Otherwise there are various competing sexual fantasies, like seeing a woman fucked by robot arms, or debauchery in a 1950s-looking household.

I really don't get the whole "guilt-free" part of it because guilt is when I harm someone else. When I truly harm someone else, like my partner, it ruins the fantasy. It's not a me thing, it's an us thing: such as fulfilling a girl's fantasy of being auctioned off or abducted. If the other person isn't aroused, it doesn't work.