(From the publisher):
In the midst of Bontenmaru's fight to the death with Mibu assassin Firefly, Goyousei Chinmei suddenly appears. With his sights set on the Mibu headquarters, the time comes when Kyo and Muramasa must part... As the gang begins their hurried journey, Akira appears, carrying the ultimate prize... Kyo's true body!
Original title: サムライ ディーパー キョウ
Genre: Fiction→ Fantasy→ Historical