I F****d Myself: An Autoerotic Lesbian Time-Travel Quickie

A brilliant, sexy, lesbian scientist achieves her dream of building a working time machine for the express purpose of going back in time a few hours to have a bit of naughty fun with a temporal duplicate of herself. She knows that no one can ever please her as well as herself, so she risks creating a time paradox in order to have a few hours alone with a copy of herself.