The head shrine maiden in charge of Grand Narukami Shrine and a descendant of Kitsune lineage, Eternity's servant and friend, and the intimidating editor-in-chief of Yae Publishing House, a publisher of light novels.

Lady Guuji of the Grand Narukami Shrine

Albedo and her sisters were created by Tabula Smaragdina. She was originally programmed to prefer frequent sexual activity, but Momonga altered her personality and changed her setting to be madly in love with him instead. As the Guardian Overseer of Nazarick, she has to keep in mind where every Floor Guardian is at all times. 

Merciful, Pure-White Devil

Albedo and her sisters were created by Tabula Smaragdina. She was originally programmed to prefer frequent sexual activity, but Momonga altered her personality and changed her setting to be madly in love with him instead.
As the Guardian Overseer of Nazarick, she has to keep in mind where every Floor Guardian is at all times. 