Edo, the winter of 1856. The city is abuzz over a liquor known as Snow's Memory. The craze sparks an incident, and demon hunter Jinya finds himself embroiled in intoxicating affairs. Amid the intrigue and rumor, he uncovers signs that point to his long-lost younger sister. But does Jinya want to find her, when their future looms and their past is inescapable?