It's a fantasy based on the urge to be taken advantage of a…

It's a fantasy based on the urge to be taken advantage of and having your individual rights violated by a very special perpetrator. The last part is key. Just like female rape fantasies aren't about being raped by some bum, but by a powerful man (millionaire, vampire, rockstar), the male equivalent, too, is about that SPECIAL person in charge, violating your rights.