In David Kudler's Risuko: A Kunoichi Tale (Seasons of the Sword #1), which is set in Japan in the late 1500s, three orphan children and a girl who learns that her mother has sold her to a woman that she barely knows, are being transported...

Murasaki: Seasons of the Sword Book 4 by David Kudler is about Kano Murasaki, also called Risuko, a girl growing up during Japan’s civil war. After her father is disgraced and sent away, her mother ends up selling her to a hidden school where girls...