With the appearance of otherworldly oni, headed by the massively powerful Kishin, humanity has been forced to serve their new demonic masters. After 150 years of oni rule, the only force left to fight for human freedom are bands of Bushi. This is the story of two young men and their dream of forming the strongest Bushi band!
and serve the oni masters 
as best as you can!
!واخدموا زعماء الأوني بكل ما في وسعكم
et servez bien nos maîtres oni.
e preparatevi a servire al meglio i nobili oni!
e dediquem-se a servir aos oni-samas
o melhor que puderem!
и отдайте себя
во служение господам о́ни.