this will probably sound pretty weird but read this story a couple of days back .
Harem Building: The Southern California Connection
And well just kinda liked the piss drinking detail. Just like the girls liked it everythings nice :p .
Anybody got any reccs that has this ? The story doesnt really need to be about drinking piss or anything like that .
I think one will (barely) meet your criteria:
Thinking Horndog's "Partying Big"
https://storiesonline.net/s/53800/partying-big
BDSM, poly, water sports, political and religious conflict. If you like - or can overlook - Commie loving and Christian hating ...
https://storiesonline.net/s/41544/avatar-establishment-book-1
And an unfinished, slowly progressing sequel.
https://storiesonline.net/a/Dark_Pen