Dave has found the ideal apartment with a lovely view in San Francisco. Even the price tag was so low that he was certain it was a mistake. So when he finds a pretty ghost in his bed in the middle of the night, giving up the apartment never crossed his mind. He finds out that inside the apartment, this tasty female ghost is able to satisfy every one of his kinky demands far beyond his expectations. She even likes to play with his new female co-workers in depraved group sex.
A father hears his daughter fooling around with a guy just as he steps out of the shower. He decides he needs to take immediate action, but maybe he needed more than a towel on before entering the room of his teen-age daughter.
This story is a much longer version of "A walk in the Park" this story tells how Linda got her revenge on the man who tricked her and blackmailed her. She turns the table and blackmails him. She "tricks" him into sex with another man and records it
Young Winifred is learning about the birds and the bees the old fashioned way. She is given a "hands on" introduction to all things sexual. Soon her pretty mouth, her deliciously tight little pucker hole and her constantly wet pussy are explored, opened and given a good medley of different and kinky exercises to insure her complete knowledge in these areas.
A son finally loses control of himself, and finds in his mother a more than willing partner. She inducts him into manhood, and begins teaching him how to properly please her.
A Story in the Naked In School Universe
I don't know if Karen Wagner was inspired by this story, but it appeared shortly before she stated the genre. The author is unknown. Rather than naked kids, the teachers are naked with the (successful) intention of inspiring learning.