The Edo period. Daughter of a martial arts dojo, Rin embarks on a journey to take revenge for her slain parents. For her bodyguard on the journey, she has chosen the immortal man Manji, nicknamed the Slayer of Hundreds. Her target is the head of the Ittou-ryu, Kagehisa Anotsu, the man she hates. The adventure of the man who never dies and the girl who's sworn to live for revenge unfolds.

After seeing Kagehisa, Rin becomes weak at the knees. Lost in thought over her circumstances, Rin and her guard Manji are approached by a Buddhist monk. The monk is 'Eiku Shizuma' of the Ittou-ryu. He fights with Manji but is swiftly cut down. However, despite the lethal blow, Shizuma stands back up, his wound mending itself completely. Shizuma possesses an 'immortal' body, just like Manji.

Rin, who has come to see the festival, meets a cheeky little kid, Renzou. At the mask shop, things get dangerous between Manji and Araya, until Araya's son Renzou shows up and the hostility dissolves. Araya and Renzou then leave. Having watched Manji from behind, for some reason Rin continues glaring at Araya with eyes full of shock and hatred.

Manji wants to go after Rin, but he has no pass. That's when Souri and Magatsu appear before him. Souri tells Manji that he can acquire as many passes as Manji likes, but there's a condition. Meanwhile, a gray-haired, one-armed Shira appears before Hyakurin and Shinriji as they re-work their plan for assassinating Kagehisa.

The lives of those gathered fizzle out one after another. Those remaining are battered and bruised. Yet still they take up their swords, and slam their convictions against one another. The last one standing... And the revenge that was fulfilled... The curtain now closes on the tale of the man with an eternal life, and of those people whose finite lives were a blaze of passion.