Unabara Domain—home to nightmarishly strong students and masters of martial arts of all kinds. The lord of the Unabara has decided that whichever of his sons discovers the strongest martial arts style will be his heir, but when 28th son Naoyoshi Washizu decides on Ogama-style practitioner Gama Kurogane, son of notorious father and scion of a “weak” style, to represent him, the odds seem bleak. But between Naoyoshi’s determination and Gama’s hard-earned strength, they may yet come out on top!
The "Grand Tournament of Unabara," in which the strongest of fighters compete, enters its second round: the battle to claim a rival clan lord candidate's head. The ten advancing styles are all forces to be reckoned with. Immediately the Ogame style is up against the sickle-and-chain-wielding Kasane-Manji style, who massacred all of their opponents in the first round! To make matters worse, the ninjutsu-wielding Tamagakushi style also comes on the attack, meaning a three-way battle to the death—all while guarding Naoyoshi...!