Mr Black's particular brand of Hentai

A word of Japanese origin which is short for (変態性欲, hentai seiyoku); a perverse sexual desire. Hentai is a catch all termto describe a genre of anime and manga pornography.

The Oxford English Dictionary hentai as "a subgenre of the Japanese genres of manga and anime, characterized by overtly sexualized characters and sexually explicit images and plots.

So there you have it and I am sure you love Mr Black's little Japanese exposes from his extensive library.