Musashi is a brilliant young miner who his companions consider one of the great promises to serve the oni, creatures of unknown origin who took the country many years ago and rule it with an iron fist. What they don't know is that Musashi wants to be a bushi, who hunt the oni.
Musashi and Kojiro try to tackle the powerful Kishin that has appeared, but will the two of them really be able to stand up to the class of oni that has dominated Hinomoto for over a hundred years?
Kojiro and Musashi attempted to defeat the Kishin in front of them, but a band of Bushi interfered in their way! Will they defeat the Kishin and take their prize home?
Musashi and Kojiro are forced to find a way to escape the Kosameda Castle prison, while Tsumugi is trapped between her desire to protect her friends and the commands of her domineering father.
Musashi and Kojiro are out to obtain the Kitetsu Blades they'll need to fight oni, but a mysterious ritual involving the mystical swords might prove to be an unexpected hurdle.
With the help of the obsidian goddess, the Kanemaki Bushi have managed to survive the attack by Shiro and Nanao. Before setting out for the next stop in their journey, there's one last thing Musashi needs to do.