Kokaku must fight to save a friend and his ideals against his biggest foe, his archnemesis Shikki! It seems Kokaku's desire not to kill is more fiery than the hottest pepper in town, but everyone is out to break Kokaku's will as he protects Shinnosuke, Kôki's school and the local dojos. Will the hero prevail after all? Plus, a bonus manga about the the ninja who started it all!
— Description from Comic Vine community (comicvine.gamespot.com).