Choshou, an old woman who looks like a young girl, is in charge of the Hyakukeitō, a set of 5 legendary Chinese jian made of jewels supposedly made by Cao Cao in ancient China. All five were embedded in a large boulder on Choshou's property and sealed with chi, making them impossible to remove. Totaku was the first person to train under her to obtain the Hyakukeitō, followed by Kanu, Ryomou, and Hakufu, with Hakufu being the last one to seek training from her. Totaku went berserk in a blind rage after Choshou lectured him about being weak. Hakufu tried to save her but fell unconscious after jumping from a cliff to get to the city faster. Choshou gave Hakufu a gift through a kiss. It is possible that she is dead after giving Hakufu her gift, and it is not yet said what her gift was. Choshou appeared in episode 8 of Great Guardians, where she is seen training Ryomou.
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