The Knight of Nine in the Nonette Enneagram is a character from the video game Code Geass Lost Colors. She attended military school with Second Princess Cornelia and is considered her senior. Despite being an upbeat and cheerful person, she is one of the few people that Cornelia fears. Her name contains Latin and Greek prefixes for nine. Unlike other Knights of the Round, Nonette has no speaking role in the anime and only appears twice in non-active roles.