Our story takes place in the Zephyr Galaxy, where Humans rule for reasons lost to history.
Present day, the usually peaceful galaxy is wrought with conflict. The heir to the throne of Avalon, Prince Arthur has abandoned his duties and dissapeared during one of Avalon's largest wars. The media depicted him as a coward, and a high bounty was offered for his return, in which he was already sentenced to a public execution.
Away from all the political conflict, a young man who goes by the name of "Light" is enjoying the life of a space pirate. Along with his good friend Hiro, the two wander the galaxy in a stolen experimental military ship, performing small robberies, and following any lead to a good heist. Light seems to have built up a pretty good bounty on his head, and life is going swimingly.