They do. K-books too, but they also divide them into sections and the ones I look into are swamped with BL. I thought hentai is always seperated, with the explicit posters surrounding them? Was…
I wish I could help, but I only know Mandarake in Nakano, and I don't remember there being a way to tell the hentai from gen. Which, er, was a bit of a surprise, once I opened the packages. But isn't…
duchessa