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Spoiler Alert.PNG Spoiler Alert: WARNING! This page happens to contain a lot of heavy spoilers that are all originated from the Overlord Light Novel series written by the author Kugane Maruyama. To every Anime-only watchers and Manga-only reader out there viewing this warning, please mindfully consider your decision first before choosing to expose yourself on reading the information below. If you're not currently up-to-date with the main source material in the official books, do consider staying away from the page for non-spoiler sake until you actually read it first ahead of time.

Ureirika (ウレイリカ) was the younger sister of Arche Eeb Rile Furt and the twin sister of Kuuderika.


Ureirika's age was around five years old, with eyes similar to Arche's.[1]


Young and innocent, she had little understanding of the world around her.


Ureirika's family were former nobles of the Baharuth Empire after Emperor Jircniv stripped them of their status during his purge of the nobility. However, her parents were unable to accept this and continued spending money to sustain their lavish lifestyle, building up a huge debt in the process. Due to her young age and lack of understanding of the world, Ureirika was unaware of the severity of her family's situation.


The Invasion of the Large Tomb Arc[]

Main article: The Invasion of the Large Tomb Arc

Ureirika greeted Arche upon her return to the Furt estate, running into her older sister head first.[2] Kuuderika and Ureirika were playing together. Both expressed their excitement that they would be soon moving with Arche. Noticing that their older sister had still yet to return from another one of her missions, the two waited patiently for their sister to return.[3]

The author Maruyama stated on his website that, after Arche failed to return from her job, Ureirika and Kuuderika were both sold into slavery by their parents to pay off their family's debts. There, the two eventually died from overwork.

Ainz (Isekai Quartet).png NOTICE: The following section and subsequent subsections are considered NON-CANON to the Overlord Light Novels.

Mass for the Dead Arc[]

Main article: Mass for the Dead Arc

After Arche died during the disaster at E-Rantel, her death affected Ureirika and Kuuderika causing them to lose their tears. Shortly after her death they participated in a ploy by their father to enter a bridal recruitment hosted by Marquis Blumrush so that they could have a chance to be selected as his wife. It was their intent to gain a political marriage and return to noble society and gain enough financial power as a step towards revenge against the emperor. After they took the bridal test, she and Kuuderika were captured by bandits led by Davernoch and Edström and taken to their hideout. For five days the twins refused to cry for their captors despite being beaten, sparing them from being used as sacrifices by Zurrernorn. They were eventually rescued by Evileye and Narberal Gamma after the two adventurers posed as bride candidates and intentionally got themselves captured.[4]

END of NON-CANON content

Abilities and Powers[]

Once a noble, Ureirika lost her status when her family’s influence declined.


Arche Eeb Rile Furt[]

Ureirika loved Arche very much, seeing her older sister as an extremely gentle, knowledgeable and warmhearted sister.


Ureirika would often mimic her twin sister.[5]

Sir Furt & Madame Furt[]

Sir and Madame Furt are Kuuderika's parents. Despite being family, however, they were willing to sell her and Kuuderika into slavery to pay off their depts.


  • In the Web Novel, Ureirika and her sister, Kuuderika were sold into slavery after Arche vanished. She and her sister were given to Ainz Ooal Gown as sacrifices by a cult of nobles that worshiped him.[6] Ainz later returned them to Arche, allowing them to live peacefully on the 6th Floor.[7]


  • (To Arche): "Way to hard."
  • (To Arche): "Onee-sama's hand is really hard."


  1. Overlord First Half Chapter 53: Invaders Part 1
  2. Overlord Volume 07 Chapter 1: Invitation to Death
  3. Overlord Volume 07 Epilogue
  4. Mass for the Dead Special Event: Bride Who Hasn't Fallen In Love For A Long Time
  5. Overlord First Half Chapter 59: Invaders Part 7
  6. Overlord Second Half Chapter 19: Evil God Part 2
  7. Overlord Second Half Chapter 20: Evil God Part 3


Click on the images to enlargen them.

Click on the images to enlargen them.


Baharuth Empire
Jircniv Rune Farlord El-Nix
Officials and Soldiers
Fluder Paradyne Loune Vermillion Natel Inyem Dale Carvain Nazami Enec Leinas Rockbruise Baziwood Peshmel Nimble Arc Dale Anoch Ray Beliblad Gregan Bebene Bison Sophie Noia
Count Femel Sir Furt Madame Furt Ureirika Kuuderika Liz Marquis Gryad Rangobart Eck Waria Roberbad Frianne Wyliea Van Gushmond Fendros Duke Vanelland Count Flavella Clairna Al Arnazia Ferec Duke Wimburg Nemel Gran Panasis Enex Liliel Gran Gida Crent Nis Tierref Viscount Zesch
Workers and Adventurers
Arche Eeb Rile Furt Hekkeran Termite Imina Roberdyck Goltron Parpatra Ogrion Erya Uzruth Gringham Fan Long Freivalds Unkei Keila no Södersten Powapon
Other Citizens
James Osk Go Gin Headhunter Rabbit Roxy Kullervo Palantynen Jet Testania Dimoya Head of the Imperial Magic Academy Honesty Azel Usurer Vech Aike Cerdina Ezungrid Quia Bashgril