On the Hokkaido frontier, a war veteran and Ainu girl race against misfits and military renegades to find treasure mapped out on tattooed outlaws.

The street fighters of Oya High and the delinquent brawlers of Housen Academy face off against each other when both seemingly attack each other.

Chiku is a devastated and dangerous town with 5 gangs fighting fiercely. Mugen and the Amamiya Brothers clashed, leading to Mugen disbanding.

Cobra, Yamato and Noboru have been friends since they were kids. Noboru is able to score good grades and enter a university. He provides hope to Cobra and Yamato who…