Ōu Army

Ōu Army or Ōhu Army are the titular characters in Ginga: Nagareboshi Gin, Ginga Densetsu Weed, Ginga Densetsu Weed: Orion, Ginga: The Last Wars and Ginga Densetsu Noah.

First Generation's goal is to gather more fighters from all across Japan in order to kill Akakabuto.

History
When Riki survived from attack of Akakabuto and had amnesia, becoming the leader of a pack of wild dogs.