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 battle between Iori and Tsurumaru of the personal corps has begun! A series of unpredictable consecutive strikes from Tsurumaru tears Iori’s shoulder apart, and Iori amazingly finds himself at a disadvantage for once, but a fight with such a formidable foe only serves to awaken his instincts! Even Kamedembo can’t help but feel a chill as Iori demonstrates his true colors as a warrior! Meanwhile at Unabara Castle, Muho style soldiers are being slain left and right by a mysterious “traitor” among their ranks. The traitor then heads for the south residence of the main castle where Jinsuke awaits…