I want a story were a man has to impregnate multiple women
Lots of sex plz
Two stories by Sterling:
https://storiesonline.net/s/62105/the-father-of-humanity
https://storiesonline.net/s/62171/the-father-needs-more
I know there are a lot more out there. There are several Breeder stories out there. I know one is by Ernest Bywater.