Once a dedicated samurai under the Tokugawa shogunate, Haruyasu now finds himself adrift in a changed world, grappling with desolation and thoughts of ending his own life. In a fit of despair, he targets a government official, only to be thwarted by the official’s mysterious female bodyguard. This enigmatic woman, professing to be the offspring of an immortal, offers Haruyasu a proposition: she’ll spare his life, but at a cost.
While he once yearned for death’s embrace, Haruyasu’s desire to live is reignited with newfound curiosity. He becomes consumed by a burning need to unravel the secrets of this intriguing woman, uncovering her stories, origins, and the truths hidden beneath her claims.