15화: 린의 스승이 죽기 전 린과 카즈키를 마주하다

Rin's master shows up, trying to make her go back to the head family since Kazuki is dead. Rin pretends to be betrothed to Kazuki, and Rin's master decides to fight Rin and Kazuki to prove Kazuki is good enough to marry her. Rin's master later told Kazuki a bit about Rin's past and how he was forced to become cruel to Rin instead of the kind "big brother" when he was named her master. He also told Kazuki that what Rin needs now isn't intense training, but someone to allow her to feel the warmth of friendship, which he deprived Rin of when she was a child. A week later, the duel takes place but is cut short when Rin's master collapsed due to old age. As his time nears, he apologized for how harsh he was to Rin as her master, hopes for her forgiveness and bids Rin farewell; then he dies, his soul returning to the moon and Rin crying over his body. (Source: Wikipedia)

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