With confidential Nue files having been leaked to their enemies at Kuchinawa, a search is underway for the traitor who provided the information.

Asahi has been kidnapped by Janome, and loyalties are called into question all throughout Nue. Will Yukimura be able to save her adopted sister in time? And will her employers in the Tokugawa government even let her try?

Now that her revenge is complete, Sawa doesn't know what to do with herself. With Tsukishima on the run and Elena facing a major change, what will become of the agents of Nue now that their primary target has been dealt with?

Sawa's brief respite from the cycle of violence has been irreversibly shattered. But even if she defeats the monster who brought an end to her dream, will she have anything left afterwards?

With her life in tatters, Sawa struggles to find a reason to keep going. Accompanied by another Nue executioner, she decides to look to her past while considering her future.

Jin Kuzuhara is the ruthless, enigmatic head of the shogun's personal group of assassins, Nue. But how did he come to serve the Tokugawa regime? And what is his secret connection to Sawa?