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
SoukokuThey’re are called
Soukoku because they were able to destroy an entire organization overnight, isn’t that cool?
