She is in charge of the Teleportation Gates in Nazarick and protecting the Staff of Ainz Ooal Gown in the Cherry Blossom Sanctuary.
Aureole Omega wears the traditional attire of a miko which includes a pair of red hakama (long, divided trousers) and a white haori (kimono jacket).
Aureole Omega is the leader of the "Pleiades Seven Sisters" and the Area Guardian of the Cherry Blossom Sanctuary that controls all the teleportation gates in Nazarick. She is the only human NPC of Nazarick that possesses an eternal life.
The Emissary of the King Arc
- Main article: The Emissary of the King Arc
The Men in the Kingdom Arc
- Main article: The Men in the Kingdom Arc
Ainz switches the Pleiades from the Six Stars to the Seven Sisters. While so, Ainz does not allow Aureole Omega to move from her current position and thus Yuri Alpha becomes temporary leader of the Seven Sisters.
The Two Leaders Arc
- Main article: The Two Leaders Arc
The Pleiades Day Arc
- Main article: The Pleiades Day Arc
Yuri Alpha contacted her youngest sister to confirm the location of Shizu Delta on the sixth floor of Nazarick.
Abilities and Powers
As an area guardian, she is in charge of overseeing all the teleportation gates in Nazarick. If an intruder attempt to use it, she will use some sort of portal to teleport or divert the intruders into the isolation area of her choice. When Ainz switches the Pleiades from the Six Stars to the Seven Sisters System, she is now the leader of the Pleiades.
Aureole is entrusted with the protection of the Staff of Ainz Ooal Gown in the Cherry Blossom Sanctuary when it is not in the possession of Ainz.
- There is an unknown female NPC in the picture of all 100 level NPCs in Nazarick. As the NPC's clothes is similar to that of miko.
- She is the original owner of the World Item in the 8th Floor and it was given to Shalltear Bloodfallen.
- Her name is finally revealed in the bonus booklet of the Overlord Movie, The Undead King.
- (To Yuri Alpha): Yes. When Ainz-sama graced me with his presence, I received permission to send up to two of them outside the Cherry Blossom Sanctuary at any one time.