Ok. No, it is not what you are probably thinking. Hentaigana has nothing to do with perverted stuff so stereotypical in popular culture. This hentai we are talking about here pertains to this thing called 変体, or variant forms, and that hentaigana, or 変体仮名, basically means the historical variants of the currently used hiragana script. … Continue reading Writing Japanese — H-hentaigana?