(law enforcement, slang) real culprit

(Internet slang) main account; main

(bibliography) existing / surviving copy

Kyūjitai form of 本拠

(kyabakura industry) visiting a kyabakura with a certain hostess in mind

(grammar) a main verb

pocket book, pocket edition

signed copy of a book

A group of onmitsu, government-employed undercover agents, established by the 8th Tokugawa shogun, Tokugawa Yoshimune (1684–1751). Sometimes described as ninja.

one day, 24 hours / the daytime, the period from dawn until dusk / (figuratively) a short period of time / one day, someday, an unspecified day / the first day of the month