If you want the stories focused on some sort of sexual doom matter, you can find variants of it in:

-Church of the Unholy Ichor
-The Fate of Flight 58008
-Lactating Lab Menace
-Sex TWO
-[EXTREME] The whole “Fucking Gross” series
-[EXTREME] The Cult of Matter

https://archiveofourown.org/users/SexTheHex/pseuds/SexTheHex