The word nōmaru is sometimes used as an antonym for hentai.
Hentai describes a sub-genre of erotic literature rather than all erotic literature. The word hentai is a compound word that describes a person, action, or state of being sexually abnormal. Hentai has a long history and conflicted definitions. Hentai is as valid a branch of manga and anime as shonen and shojo. Yep, I am going there! Some information here may be considered graphic.
