暗あん黒こく街がい

noun

underworld; criminal underworld

Refers to the hidden world of organized crime, gangsters, and illegal activities, often in an urban setting.

• 彼かれは暗あん黒こく街がいのボスとして知しられている。

  He is known as a boss of the underworld.

• その小しょう説せつは暗あん黒こく街がいを舞