I

Ereshan, a member of the Eme-an and a librarian at the Library of Babel, is the granddaughter of the former director, Cosmos. Before Zero joined the Eme-an, everyone assumed that Ereshan would naturally succeed her grandfather as the director. Ereshan herself lived with this goal in mind, working diligently every day to be more like her grandfather.
However, when Cosmos unexpectedly adopted Zero and named her as his successor, Ereshan's life was torn in two. Before that day, she was an outstanding and dedicated librarian. Afterward, she began to show a more cynical side of her nature.
Ereshan made no effort to hide her disdain and stopped referring to Cosmos as her grandfather from the moment Zero arrived. She started taking long-term assignments away from the Babel Tower, avoiding returning whenever possible. To those around her, the once familiar granddaughter of the director had transformed into the enigmatic and unpredictable young woman known as Ereshan.
All records of her past were personally destroyed by her when she bid farewell to the tower.
However, if the opportunity arises in the future, you might try asking her about the story of her life."