Well, I'm german, but I also don't always go on websides written in languages I understand when I want some stuff that isn't avaible elsewhere xD
No matter if Hentai, music or stuff for the RPG Maker, I go everywhere, even when the page is just numbers and letters because I got onto a korean page and my computer can't show the signs properly.
And hey, as far as I know, this board is at least in the TOP5 of places where the most Hentai is. So why should the language be a problem (aspecially since the games, movies and mangas are all mainly japanese/english anyway)