Throughout history, rich men have parlayed their wealth into reproductive success by way of polygamy, mistresses, or taking advantage of the servants. In the year 2031, the richest man in the world decides to use modern technology to translate his wealth into offspring on a scale commensurate with the extent of his riches. / (Reviews)
Eve raises Cain, as he lowers her to the leaves; not so original sex, but first time for the sin of incest! This one is just for fun, it's soul purpose is to fuck with your brain, but gonads are welcome to come along too
A story in the Karinaverse (Traveller) Universe
Mirabel was an ordinary girl; until ~ a legendary babymaker planted his cock in her! (Then got her pregnant, and also knocked up her best friend.)
Man, wife and teenaged daughter in financial trouble accept a voyage on a ship transporting fenced goods. To prevent their escaping, they are kept nude and the wife and daughter become the crew's sex toys, with pregnancy following
Two women take their six children to a desert island to start a feminist utopia. All intercourse is rape. But as the younger generation comes of age, they eventually rebel, at first because artificial insemination doesn't work. An older woman clubs Paul's head trying to stop what she think is a rape. The resulting brain injury turns him into a feminist's nightmare -- but for the open-minded, it's not so bad.
These native people's practical rules to help the tribe's survival are paramount in all sexual decisions. Romance is secondary. A special woman provides assistance at many levels.