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

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?

After faking Sawa's death, she and Asahi have fled Tokyo for a peaceful life in the country... but can they really escape the cycle of killing?

Asahi is alive, but Sawa has seen too much to ignore the crimes perpetrated by Jin Kuzuhara in the name of the Tokugawa regime. Hoping to secure a brighter future for the girl she has adopted as a sister, the assassin once known as Yukimura takes up her sword once again...