Hentai was a type of pornography.
Titanian Queen Flight Technician Harvey fell asleep watching a handcuffed "Hentai girl" on a modified seesaw via a bootleg comix cube. (PROSE: Ship of Fools)
The Praxis IV Practical Hentai Effects houses created an animatrontic Shoggoth with tentacles the size of an elephant for one of Jason Kane's xenopornographic productions. (PROSE: Jason and the Pirates)