Gabimaru, Sagiri, and the others arrive on Shinsenkyo, and their battle for survival begins.

Gabimaru and Sagiri's group cross paths with another Yamada Asaemon, Genji, who takes a dim view of Sagiri's involvement in the present matter. Meanwhile, Yamada Asaemon Tenza tries to find a way off the island along with his charge, Nurugai.

Tenza and Nurugai also encounter one of the island's strange denizens with unfathomable power. All seems lost before they encounter another Yamada Asaemon...

Mu Dan confronts Sagiri's party and reveals shocking truths about the island's true nature.

Sagiri's party faces Mu Dan's seemingly unstoppable true form. Shion does his best to rise to the challenge with his mastery of waves.