Momoyama

History
Momoyama appears twice in the manga bonus stories in volume 8: How Zero got his tattoo, and Cross' mania for taking photographs. Momoyama is an elderly woman who helps Cross raise Yuki, and then later also Zero. In Manga chapter 59, Yuki wants to visit Momoyama's grave. Momoyama was a member of the Hunter Association.

Trivia
Her funeral was the first one Yuki went to.