Setsu sets off for the demonic continent - and into a chance meeting with the granddaughter of a certain merchant he met once in his previous life, who has her own duty to fulfill...

Arriving at the Beastmen continent, Setsu and Levia meet Shironeko, a fierce fighter. When Shironeko is asked to assassinate Setsu, she agrees for the sake of her ill sister. All is not what it seems, though, and Setsu uncovers a tangled web of deceit.