A fork of Rural Dictionary
Meaning Double black the name was given to Chūya Nakahara and Dazai Osamu when they were paired together in the port Mafia, before Dazai left. In English the name meaning is Twin Dark.
Soukoku is also the ship name between Chūya and Dazai, it’s practically cannon within the anime. The anime it’s from is titled Bungo Stray Dogs
There’s a lot of evidence for Soukoku
They’re are called Soukoku because they were able to destroy an entire organization overnight, isn’t that cool?