In 1868, the final year of the Bakumatsu Period, the Shinsengumi, with Chizuru at their side, took part in the Battle of Toba-Fushimi to decide the future of the Tokugawa Shogunate against the rise of the Imperial Nationalism. Unfortunately, defeat for the Shinsengumi came swiftly at the hands of the Imperial Army, and retreated back to Edo in shame.
It was a bittersweet homecoming for Chizuru and the warriors of the Shinsengumi, as the city of Edo resembled very little of its former self, engulfed by the harrowing winds of change that were sweeping through the country. As the Shinsengumi's survival came under threat, they were faced with a choice: discard their principals, or give up their lives. Some of them had no choice, and they cloaked themselves in darkness to protect the Shinsengumi's greatest secret: the Rasetsu.
This story is about a girl who allies with the warriors of the Shinsengumi, who are struggling to uphold their faith in an era of rapid social change in Japan, and those fate of those who sought to resist that change
