A 15 year-old student in the middle school section and a member of the Toyotomi faction. She is Muneakira's second Master Samurai, with the mark of wisdom on her left butt cheek. Her weapons are a pair of huge battle fans capable of manipulating wind and can also use them to block enemy attacks. However, she has shown no control whatsoever over her powers when she's in her Master Samurai state, though she improves as the series progresses. She also seems to have feelings for Muneakira. Her transformation phrase is "Fushaku Shinmyo", which means "Self-sacrificing Dedication". Jubei's nickname for Yukimura is "Yukki" (ゆっきー Yukkī).
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