Yume Tsubakuro is the fourth-seat member of the Origami Family Elite Guard and an alumna of Ayanokouji Martial Arts School.

Yume was considered a prodigy among Toji of her age. Despite being a young Toji, she immediately obtained a compatible okatana, and was highly praised for her swordsmanship skills. Eventually, she enrolled Ayanokouji Martial Arts School.

(Source: Toji no Miko Wiki)