RE niche porn subs, same here brother 🙌 Seems pretty slim atm on Lemmy but I am sure it will grow. Have seen a couple. Trying to do my part as well and manage one if you are interested in 'the posterior':
NSFW in spoiler:
Main one: !butt_frenzy@booty.world
and a link to all: https://booty.world/post/392
"I just want to be where the people are" 🧜♀️
I'm the Ass Man!
Mod of:
NSFW Below in Spoiler:
!butt_frenzy@booty.world
!anal@booty.world