A hateful and dear, life-threatening sword and flesh fellowship. A samurai, Kazuma, who became a disciple by pushing against Mamiya, a rare master of swords. His true purpose was to avenge his father, but of Mamiya's sword. He’s more and more attracted to the tremendous beauty and loneliness of life ... Also, while Mamiya knew the purpose of Kazuma, his innocence. He is shaken by the remnants of his father who he slashed. Two people who have piled up their bodies with a passion that can not be helped by each other. However, the match is always approaching!