 In 1843, the fourteenth year of the Tenpō Era, ten years before the arrival of Commodore Matthew Perry and the Black Ships, Edo is under attack by beasts from the underworld, known as .Members of the Bansha Aratamesho, called the , are assembled to repel the emergence of these yoi.Fifteen years ago, he met and befriended a man named Kumoshichi who goaded him into fights and gambling.