The next head of the Nadira family, an illustrious member of Gjallarhorn. She has actually already been entrusted with control of the family by the previous generation and is therefore its head for all intents and purposes. In addition, she is engaged to Mina Zalmfort in a political arrangement. Deira is also a talented Mobile Suit pilot and pilots the Gundam Gremory, which is owned by the Nadira family. Her father is falsely accused of collusion with the African Union and detained by the Supervisory Bureau. She is also stripped of her power within Gjallarhorn and ends up in hiding out on an island near the Antarctic.