It is kind of immersion breaking when a warning message pops up during gameplay but fetishes should at least be toggled on or off in the game settings.
I don't translate it. I figure the character I'm playing doesn't speak that language so he'll just have to live with not knowing what was said unless another character is here to translate.
The whole series of exhibtionism films by Sakura Kikaku is one of my favourites. Too bad they no longer make those movies.
Now I particularly enjoy Tohjiro movies and most of what Nao Masaki directs.