She had died as a twenty-year-old woman after giving birth to Harutora. Allegedly, she had recovered poorly after the birth, but it seemed that she had been very frail to begin with.
Powers and Abilities
- The name Yuuko means "excellence, superiority, gentleness" (優) (yuu) and "child" (子) (ko).
- Yuuko's surname Tsuchimikado means "soil, earth" (土) (tsuchi), "honorable" (御) (mika) and "gate" (門) (do), which literally means "earth emperor" altogether.
- Her maiden name Wakasugi means "young, immature" (若) (waka) and "cedar" (杉) (sugi).