Tập 4: Rin đối đầu với Kagehisa Anotsu, người chỉ trích kỹ thuật dao và truyền thống gia tộc của cô.

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When Kagehisa Anotsu was a child, Makie saved him from wild dogs, but his grandfather Saburou Anotsu berated him for cowardice. He beat Makie and tied her to a tree because she was the daughter of a rival clan even though she displayed great fighting skills. In the present, Rin encounters Kagehisa Anotsu training with an axe in the nearby forest. Realizing that she has been detected, she throws all of her knives, but only one lands in his shoulder and she realizes how poor her skills are. He then tells her the reason for the animosity between their families was their opposing views of the importance of traditional swordsmanship verses the ability to win a contest between two opponents using whatever means possible. Anotsu releases Rin and returns her weapons to her, explaining that by using her knives, she has already departed from the Mutenichi-ryuu tradition. When Anotsu leaves, Rin cries in confusion and despair. Later, Kagehisa Anotsu recalls the time when he inherited the Ittou-ryuu after his grandfather's faithful companion killed him so that Kagehisa could become his successor and pursue his own fighting style. (Source: Wikipedia)