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Daisho of Seppun Daiori
A daisho originally worn by Seppun Daiori, a hero who saved a group of Crane Clan samurai during an attack on their delegation. His daisho eventually came into the possession of Seppun Ayumu, who gave it to Doji Haruki. Haruki gave the daisho to Yoritomo Yuriko as thanks for her actions in quelling the restless spirit within the daisho.
The spirit within the blades is now calm, leaving the daisho as a minor nemuranai.