one's real character

(chiefly Kansai) truth; reality

Benxi (a city in China)

a book published as an independent volume (as opposed to one of a series of publications)

the main written work, book, or document / the real written work, book, or document / this or the aforementioned or the relevant written work, book, or document

a surname

a surname

(law enforcement, slang) real culprit

(Internet slang) main account; main

pornographic publication (magazine, book, etc.); smut