Suikouin (水光院) is a supporting character in Mononoke The Movie: Chapter II - The Ashes of Rage, voiced in Japanese by Yoshiko Sakakibara. The series' music includes "She's on Fire?! | Mononoke The Movie: Chapter II - The Ashes of Rage | Clip | Netflix Anime", "The Final Battle | Mononoke The Movie: Chapter II - The Ashes of Rage | Clip | Netflix Anime".