I really really love artbooks especially anime artbooks, it is not a very obscure interest but these artbooks are relatively hard to find, does anyone know of really unknown communities to find anime artbooks? besides ofc all the anime public and private trackers cuz they r not enough for me I want really obscure communities cuz I have searched so so much and all the known ones don't have enough content
You could also try the original 2chan if that site is still around but if I remember correctly it was like 100% in Japanese. I remember back in the 90's early 2000's they didn't speak much English on that site.