Three years earlier, Yawaragi, Moroha's mentor from Köga's wolf clan, assigned the latter to survive the demon fight inside the Kodoku cave, promising to award her with the Kurikaramaru sword, but forbidding her from using her rouge. As Moroha passes the test, but to pay for the debts with Jyübei, Yawaragi has Moroha working for him, while she leaves to look for the fire-rat demons to remove her cursed armor, which is slowly compressing her body until the moment it will kill her. Back at the present day, Yawaragi investigates the village of the fire-rat demons and learns that Konton has killed them...