Lewis is invited to join a study conducted by his attractive, and very assertive, college professor. She describes it as a radical gender study but won't give any other details besides that. He's asked some very personal and private questions about his sexual habits. Once he's answered them he finds out that three of his female classmates were listening in.
They are participating in the study of course and help Lewis to learn things about himself that he never dreamed we possible. Starting with a vow of chastity. To help him keep his oath he's fitted with a special device. Locked in place his classmates and his college professor are the only ones who have the key!
43,918 words of female domination chastity fun!