Gender: Male Appearance: Black hair and black eyes. Handsome in his own way. Personality: Humorous and could be considered a mood maker. Weapon: Perception Blocking Mask and the gloves. Various workshop weapons are compressed inside the gloves. Extremely strong. Patron Librarian of the Floor of General Works. He doesn't know Ayin. (He just thinks of him as a madman who made the librarians suffer.)

Alias: The Pale Librarian. Director of the Library and former AI Sephirah of Lobotomy Corporation. An android with an ego, which is forbidden by the Head. Good at giving orders and is a god within the Library. She hates Ayin. She was created using the brain of Carmen, who committed suicide.

Patron Librarian of the Floor of Social Sciences. Blue hair and yellow eyes. Dark circles. Handsome. Teases Gebura. Loves coffee. In the past, he was a researcher named Daniel at the Soul Healing Research Lab. He hates Ayin but hides it.

Patron Librarian of the Floor of Literature. Short brown hair and blue eyes. Pretty. Kind and big-hearted. Originally the youngest researcher named Michelle at the Soul Healing Research Lab. Likewise, she hates Ayin.

Real name Garion. Formerly an Arbiter of Head (A Corp), she tried to bring down the Soul Healing Research Lab but was remodeled into a Sephirah by Ayin. Currently the Patron Librarian of the Floor of Philosophy. Her way of speaking is elegant and archaic. Powerful. She hates Ayin.

Real name Kali. Before her death, she was the Color 'The Red Mist,' but died at the Soul Healing Research Lab and was remodeled into a Sephirah by Ayin. She also hates Ayin. Long red hair and red eyes. Uses the Greatsword E.G.O, Mimicry. Patron Librarian of the Floor of Language.

Patron Librarian of the Floor of History. Real name Elijah. She followed Ayin around trying to persuade him, only to die a bloody death by a machine and be remodeled into a Sephirah by Ayin. She was a researcher at the Soul Healing Research Lab. She also hates Ayin.

Patron Librarian of the Floor of Natural Sciences. Real name Lisa. Formerly one of the siblings Enoch and Lisa living in the Outskirts. After Enoch died due to Carmen's experiments, Lisa was killed by Garion (Binah) and remodeled into a Sephirah. She also hates Ayin.

Patron Librarian of the Floor of Technological Sciences. Real name Gabriel. After Carmen's suicide, his mind slowly broke, and after Elijah's death, he developed obsessive-compulsive disorder. He was forced into a precision examination by Ayin, where his skin was flayed and he died. However, he became a Sephirah because of Ayin. He also hates Ayin.

Real name Benjamin. He was a researcher who followed Ayin. However, Angela, created from Carmen's brain, killed him, and he became the current Hokma. He still thinks Ayin is a good person and would follow him if he were here. Patron Librarian of the Floor of Religion.