And if there is staff it's usually a big grumpy guy. And the food is really greasy. It's not a place you go for fun. It's more for quick fix food (though some of it is delicious though bad for you)
I didn't like Japan much personally because it's so conservative and traditional (like it says there in the article LGBTQ+ is still an issue there, tattoos are frowned upon, life is pretty formal etc). So I don't feel at home there. And as such I've never really explored it. It's a nice country with nice people but I just don't fit in which was awkward for me. I'm more at home at a burning man kinda setting :)
But this sounds pretty cool. If I do have to go there again some day I'll look one of these places up.