Not featured in the provided plot summaries. While the text mentions combatants like Katsuto Jyumonji, Shibata has no documented presence or involvement in the given events.
Katsushige advises Maya on succession tactics and political maneuvering within the clan.
Katsushige provides Yuuka with strategic counsel to secure her position in the succession race.
Familial tie connecting Miyuki to the Shibata branch, influencing her political standing.