Wrong, Right, Law, Power, Heaven
The full version being: Right triumphs over Wrong. Law triumphs over Right. Power triumphs over Law. Heaven (or Emperor) triumphs over Power.
Historically, battleship Yamato flew this flag during Operation Ten-go.
In the game, it's one of the few visual differences between Yamato and Yamato Kai, aside from the addditional AA turrets.
