Lupusregina Beta

Lupusregina Beta (ルプスレギナ・ベータ, Lupusregina・β) is a werewolf battle maid and a member of the "Pleiades Six Stars," the battle maid squad of the Great Tomb of Nazarick. She was created by Beast King Mekongawa.

Appearance
Lupusregina Beta is a brown-skinned beauty with an athletic look and red hair tied in two long braids. She wears a maid uniform with short sleeves and long black gloves with a skirt that has a long slit on its left side, revealing thigh-high white stockings. She is equipped with an imposing black and silver scepter slung across her back.

Personality
Lupusregina Beta has a very bright and outgoing personality but is able to act accordingly like a perfect lady. She is sociable and friendly towards humans. However, this is only a mask to conceal her brutal and cunning personality. She also enjoys making lewd jokes to people like Enri.

Lupusregina tends to use her 'Complete Invisibility' spell frequently in order to appear behind someone's back without being detected, as she loves to startle people. Yuri has claimed that Lupusregina can be as sadistic and evil as her sister Solution. The author Maruyama has stated on Twitter that during a full-moon at nighttime, she becomes a little bit crueler.

Lupusregina is considered the friendliest of the battle maids by the Homunculus Maids. They also think that being approached by her is a sign of good fortune.

In the Web Novel, she is not a sadist, just a cheerful character who loves to eat.

Background
Lupusregina Beta was created by Beast King Mekongawa to be one of the battle maids, the Pleiades. They served as a last line of defense against intruders. However, because she is unlikely to be able to stand against enemy players who managed to come this far, her only real purpose was to distract the invaders until the guild members of Ainz Ooal Gown were able to fully prepare for their final stand in the throne room.

The Undead King Arc
Lupusregina, along with her sisters, are ordered by Momonga to guard the entrance of the 9th Floor. She and the other Pleiades are on standby and waiting.

The Two Leaders Arc
Lupusregina is given a mission to spy in Carne Village and to protect three people in the village: Enri Emmot, Nfirea Bareare, and Lizzie Bareare. She visits the village with stone golems to help with the construction of the new wall. She is also the one responsible for delivering the alchemical items and apparatuses to the Bareares. She follows Enri, Nfirea, and the goblins when they explore the Great Forest of Tob in order to search for both herbs and information about the forest. She receives a newly developed potion made by the Bareares, and Nfirea wants her to report the news about it to Ainz. When Enri decides to make some drinks, she asks Lupusregina if she knows how to make delicious drinks. In response, Lupusregina claims that she knows how to, but she serves only the Supreme Beings as a maid and thus she does not help other people with chores and prefers instead to laze around.

Although the inhabitants of Carne Village decide to protect their village from the possible attacks of the army led by the Giant of the East and the Demon Snake of the West, Lupusregina suggests asking Ainz for help since he will easily solve the problem. However, Enri rejects her idea of asking help from Ainz a second time, stating that they should do as much as they can by themselves without depending on their savior too much. After hearing her answer, Lupusregina has a disappointed look on her face but says that they should work hard to keep the village safe. Once Ainz hears the news of Enri being present in E-Rantel, he scolds Lupusregina in his office for her carelessness and tells her to take her job seriously.

Afterward, Lupusregina talks with Enri about the matter of her being appointed to be the new chief of the village. Lupusregina gives her some advice, saying that it doesn't matter if Enri is the chief or someone else is the chief because she will mess up sooner or later. She says that there are only forty-one people who will never make a mistake and that there is no point worrying about what happens when Enri fails and that nobody is better suited for the job than her. Lupusregina also tells Enri that if the goblins can't save the village, they will prioritize her safety first. However, if she is the chief of the village, then this scenario will change as the village will become her property and they will fight to protect the village to the bitter end.

Shortly after, Lupusregina sees the villagers gathering in the village square because Enri has been appointed as the new chief. Yuri Alpha appears behind her and asks about Carne Village, saying that was the reason she got scolded by Ainz. Lupusregina says that a new leader has just arisen and wonders what kind of faces the villagers will make if they are attacked and everything is set ablaze, much to Yuri‘s displeasure. During the attack by monsters from Tob Forest, she saves Nfirea from the Giant troll and kills it.

Later, Lupusregina and Yuri escort Enri, Nfirea, and Nemu Emmot to Nazarick through teleportation as Ainz wants to give them a reward for the newly developed potion made by the Bareares.

The Maid Tea Party Arc
Lupusregina is absent from the monthly Pleiades report and tea party because she is busy over at Carne Village under Ainz's order.

The Men in the Kingdom Arc
Lupusregina participates in Demiurge's plan to make Momon a lasting hero in the Re-Estize Kingdom. She plays the part along with the other battle maids to act as Jaldabaoth's underlings with her face disguised with a mask. She partners with Solution Epsilon and Entoma Vasilissa Zeta. They fight against Nabe and continue to do so until Jaldabaoth orders a retreat.

The Invaders of the Large Tomb Arc
Lupusregina, along with her fellow Pleiades, except for Narberal, encounters Dragon Hunt on the surface of the Great Tomb of Nazarick. They are sent to see if the Nazarick Old Guarders are able to capture enemies trying to escape from the tomb. To her and the other Pleiades' surprise, Dragon Hunt decides to stay and fight. She and her sisters try to cheer for the Dragon Hunt workers, but they are easily slaughtered by the Nazarick Old Guarders. Afterwards, Yuri orders her and the other maids to check if there are any survivors.

The Magic Caster of Destroy Arc
Lupusregina and Yuri greet the delegation from the Baharuth Empire right outside of the borders of the Great Tomb of Nazarick. Later on, Lupusregina returns to her post at Carne Village, whilst invisible, as she observes the attack by the Crown Prince. During the battle, she is surprised when Enri summons an entire goblin army to defend the village.

After the attack on Carne Village, Prince Barbro's remnant army retreats back to Katze Plains until Lupusregina appears in front of them and tells the group that she has been observing their situation for a while now. Lupusregina summons thirty level 43 Redcap goblins and then orders them to kill everyone present before her. At the same time, she personally tortures Prince Barbro for half an hour before he dies from the torment.

The Pleiades Day Arc
Lupusregina is present in the room she shares with Yuri and Narberal. Lupusregina is relaxing, eating a bag of potato chips when she notices how tense Yuri is as she has no work to do. Lupusregina's ungraceful eating habits attract Yuri's attention, who begins to lecture her on manners.

Accord to Yuri, Lupusregina's task is to observe and remain alert while preventing the leakage of the technologies developed within Carne Village, among other colorful tasks besides protecting Nfirea and the Emmot siblings.

Later on, she and Narberal approach Ainz to give Yuri a new task, presumably to get her off their backs.

The Craftsman of Dwarf Arc
Lupusregina arrives at Carne Village to inform Enri that she will not be around to visit them for a while. She explains that Ainz seems to have been defeated in battle and has died.

The Paladin of the Holy Kingdom Arc
Lupusregina is present in the log cabin during a meeting between Albedo, Demiurge, and her master. She pulls out a chair for Ainz to sit on and then kneels down on the floor while waiting for further instructions. When the two Floor Guardians act hostile toward one another, Lupusregina begins panting heavily out of fear.

As Ainz bows his head down on the table for forgiveness, the Floor Guardians order the maid to lift their master's head up. However, she rejects the Floor Guardians' order, apologizing to them while stating that she can not carry out that kind of action to her own master by force. While Ainz begins prepping up his plan with Albedo and Demiurge, Lupusregina stands by and whispers in amazement after what has transpired in this meeting.

Lupusregina is present with Yuri during Ainz Ooal Gown's secret conversation to Jaldabaoth. Later, at the appointed time for Ainz's duel with the Evil Lord and the Pleiades, Lupusregina is replaced by a Doppelgänger from the Erich String Orchestra so Ainz will not be restricted in holding back to kill.

Mass for the Dead Arc
At the time of the Great Tomb of Nazarick's transfer to the New World, Lupusregina Beta was among the NPCs that were killed in the transition. Momonga finding the dungeon in ruins due to the strange Cracks and overrun by Chaos Beasts quickly revived her and the Pleiades with magic. Unfortunately the maid suffered a severe abnormal drop in levels since her revival as did the other NPCs that were brought back to life. When the protagonist appeared before Momonga who was suspicious on the identity of the homunculus, Lupusregina can be one maids that vouches on his identity as being a creation of Beast King Mekongawa. After the protagonist leaves with a Redeem Slime summon and Narberal Gamma, Lupusregina is left with the remaining Pleiades in Nazarick. To rebuild Nazarick, more information was needed to determine the new phenomena that was now affecting the dungeon. Thus Momonga had the maids train to prepare for a survey of the Cracks. When they were deemed ready Lupusregina and her sisters investigated the Cracks, fighting the Chaos Beasts to learn its secrets.

To avoid Nazarick being detected, Lupusregina was assigned to work with Mare to disguise the surface of Nazarick. Whilst altering the terrain of the landscape, Mare's magic disturbed a nest of Forest Worms prompting Lupusregina and Aura to fight them. They also have a close call when a human scout approaches the area, but Lupusregina and her comrades quickly capture him to be interrogated. Lupusregina with the rest of her sisters greeted Narberal Gamma upon her return from the outside world. From the doppelgänger she gained some insight on human society and started practicing on how to communicate with them by referring them as "maggots". It gained some attention from Sebas Tian and Momonga who intervene to correct some misconceptions and focus their training on hospitality. The maid would also serve as a messenger, relaying various communications throughout Nazarick and monitoring the Crack in the Throne Room.

Lupusregina would be asked by Cocytus to train with him, alongside Narberal Gamma. The two maids obliged and sparred with the Floor Guardian and were initially happy to help. But as the training became more intense, the two maids began to worry, bringing the issue to Albedo who notified Momonga. After Cocytus's session with the Overlord of Nazarick, the Pleiades members were poleaxed when Floor Guardian decided to allow for breaks. While patrolling a Crack on the Throne Room with Yuri, Lupusregina noticed Yuri to have something on her mind, though the other maid stated that she was fine but in reality was concerned with the discarded piles of debris. Accepting her words, Lupusregina excused herself, not knowing that Yuri would institute a plan to clean the piles on all the floors.

While guarding the Crack on the 6th Floor, Lupusregina faced an increase number of Chaos Beasts coming from the anomaly. One nearly go through the perimeter but the maid managed to kill it before it got away. Though she believed it to be no issue, her laxity of the seriousness of subjugating Chaos Beasts angered Momonga who reprimanded her for not reporting the increase in monsters. The maid was pulled from patrol so that she could reflect on her actions. Disappointed in herself and wishing to get back in Momonga's graces, Lupusregina took Cocytus's advice to consult with the protagonist. From him the maid learned the concept of "Ho-Ren-So" and put all her effort in improving her work ethics. The next time she was assigned a task, Lupusregina impressed Momonga on her diligence that he forgave her for her previous blunder. Her use of "Ho-Ren-So", causes Sebas Tian to have an idea to bringing an air of hospitality in Nazarick to provide a bit of relief to the work focused Floor Guardians. As part of his initiative, Lupusregina served to tea and snacks to Demiurge and Albedo while they were reviewing Nazarick's defense plan.

Later Lupusregina posed as an emissary from a distant country and sold ores to E-Rantel from an abandoned mine near the city. When visitors from another world came through the Crack on the 10th Floor, they were given sanctuary until Nazarick could find a way to return them back to their world. Meanwhile the visitors were asked to assist them in subjugating the Chaos Beasts that infested the Throne Room. One of the visitors, claiming to be a goddess, requested to be excused from the defense as it would require her to fight alongside the undead, which she had a phobia. Lupusregina who was chaperoning them permitted it.

Lupusregina would eventually get to explore the outside world when Momonga called the Pleiades to explore an island that connected to Nazarick via an unstable [Gate]. To assist them, she and her sisters were given swimsuits by Pandora's Actor. With the protagonist and Slimeko's help, the maid and her sisters found that the island was once a base for a pirate crew. Upon discovering the base the Nazarick agents came to fight several undead pirates. The team found a hidden port containing a wrecked ship. Once the wreck of the pirate ship was dredged up, they were attacked by a Giant Mollusk forcing the maids to fight together to slay it. The adventure though ended with the maids retrieving many abandoned valuables for Nazarick.

The maid would also join Cocytus's team, Cocytus and the Pleiades, for the Nazrzick Fighting Tournament which became the winners of the tournament. And also help to prepare for Nazarick's Christmas party, by making Christmas Cakes, though would annoy her sisters when she ate the ingredients.

When a being named Shiramochi-ō placed a spell over Nazarick, causing all the NPCs within the dungeon to fall under a New Year's celebration. Lupusregina and her sisters were compelled to go to Fake Nazarick to serve as guards for a Chaos Zone that took shape there. Lupusregina and her sister Yuri were placed to guard a [Gate] behind the area called the Takemikazuchi Shrine that led to the replica of the Throne Room. They would not allow anyone to pass even Momonga unless they were challenged and defeated. Momonga would defeat Shiramochi-ō though just before he met his end, the White Mochi King used the last of his power to turn back time, creating a loop of the events that saw Nazarick fall under his spell. Though in this new timeline, Lupusregina and her sisters challenged Momonga with a karuta game. The spell under Lupusregina would eventually be broken thanks to a repentant Shiramochi-ō sacrificing himself, though her memories while under the mental influence would be erased.

Lupusregina and her sister Solution would be attending to some new visitors to Nazarick and escorting them outside its confines. They were alerted to a disturbance near the dungeon and found a stranger to be caught by the Enhanced Treants. To prepare for a Yozakura, Lupusregina and her sisters prepared for the festivities, bringing the Chivalrous Costume for Demiurge, which caught Sebas Tian's attention.

For a brief period, Lupusregina enjoyed the company of Albedo, who was starting her new routine as a general maid as part of her new hands on initiative to make Nazarick more efficient. She and Yuri helped their maid junior to learn the proper way to prepare tea. And later at Albedo's recommendation, participated in a training exercise to test the security of the 9th Floor.

On a mission to investigate a lead of possible existence of players near a seaside village, Lupusregina joined the Pleiades in shadowing, the protagonist and his adventurer team. The mission soon developed into a collaborative effort with Blue Roses to assist a dwarf named Tsuibayaya in acquiring the scales of the Legendary Mermaid for his swimsuits. Due to the unexpected adamantite adventurers presence Lupusregina and the others had to act covertly without Blue Roses being the wiser. After the two parties separated to cover more ground to search the beach, Lupusregina and her sisters worked with the protagonist and his team to locate the place where the mermaid lived. Once the maids donned on their swimsuits, their search led them to a tide pool and the lair of the Legendary Mermaid. Lupusregina and the rest of Pleiades made themselves scarce to avoid Blue Roses becoming aware of their presence. After the Legendary Mermaid was fought against, the scales retrieved, and Blue Roses gone, the protagonist had Lupusregina and all the Pleiades dress in their swimsuits before Tsuibayaya to cement his cooperation to work for Nazarick.

In a series of hauntings that began to occur in the Tob Forests, the cause was believed to be the work of evil spirits that were unappeased due to the absence of the Harvest Festival. To cleanse the forest of the spirits, the protagonist organized a festival with the Pleiades in the ruins of Carne Village. However the festival was attacked by what seemed to be a [astral entity that arrived invisible, though Lupusregina that to her ability was able to see through it and point it out to her allies. The entity turned out be a fox girl named Kyuko who was at first hostile to the Nazarick denizens as she believed that they were enslaving Hamsuke. Once the misunderstandings were cleared up, Kyuko willingly joined Nazarick before joining in the festivities. Lupusregina commented on the new addition to their ranks with Yuri at the sidelines and was surprised to hear her sister say that the fox reminded her of someone in Nazarick.

The maid's healing abilities among others were called upon by Momonga, to heal a guest from another world who defeated a powerful entity known as the Grim Reaper. During the next phase of Nazarick's plan to take control of the Tripartite Alliance, Lupusregina and Yuri snuck into the quarantine area around the Northern Cave that housed a Crack and possibly thousands of trapped Chaos Beasts. To release the growing hordes, the maids broke the cavern walls to lead the monsters to the surface. Later Lupusregina acted as one of the Demon Maids of Demon Emperor Jaldabaoth. After the Demon Emperor made a deal with Emperor Jircniv Rune Farlord El-Nix to save E-Rantel, at the cost of the latter's life and the riches of the city, many of the citizens resisted the deal. To punish the humans that were resisting the plundering, Lupusregina and her sisters moved into to slaughter the city guards. In response members of Blue Roses rose to fight back.

After news about Miyoshi spread and that he was Momonga's bathing attendant, Lupusregina and many of the female NPCs petitioned to Momonga to allowed to challenge the Sapphire Slime for the position. To give them an opportunity to have the chance the Miyoshi Cup was created to determine if any of the participants had what it took to be a bathing attendant. The event also served as a way to select women that were needed to create a harem so as to activate a dangerous golem in Spa Resort Nazarick so CZ could disarm it. Lupusregina was among the finalists to be selected for the harem, but as for who would be the bathing attendant, Momonga defeated all of the participants in the final test thus allowing Miyoshi to go unchallenged.

After Nazarick received a priority [Message] from Cocytus that the Great Lake area was being frozen by a abnormal cold wave and threatening to freeze the lizardmen and driving the native monsters from the northern monsters, Lupusregina alongside Entoma and CZ were sent to determine the cause of the weather change. Before they left they were given Christmas Costumes to protect them from the frigid temperatures. They made their way towards the northern mountains following the source, on occasion fighting beasts that were trying to escape for the cold. The maids finally came to a cave where the found a Crack and the Frozen Giant that was continuously bashing anything that emerged from the phenomena, its strength creating the wind pressure that was creating the cold front. The monster proves to be very formidable but Entoma was able to deduce a weakness in its structure allowing the maids to set fire on it and cause to crumble. To draw its attention CZ used herself as bait long enough for Lupusregina to set fire on the vines holding the thing together. After their successful mission the group returned to Nazarick just in time for the second Christmas party.

Some old visitors to Nazarick returned to the dungeon and were being harassed by an evil clone of one of their associates. In a plan to seduce the clone and seal her power, Lupusregina participated in a plan to set up an Cat Café where she and Lupusregina used several cats to appeal to the clone and set the mood for the date. During this time Lupusregina befriended a new face among the guests of Nazarick.

The Pleiades were called into session by Yuri to brainstorm some ideas on what kind of chocolate she should help Aura make for Project Valentine. In her feedback she made a note that the chocolate from Valentine's Day was of a different quality served at the canteen. She acted as one of the judges for the taste test of the confections for the project. Lupusregina would also be present at the second campaign for LittleMass, and cheered alongside the general maids and her sisters at Acidity and Alkaline's final performance.

Lupusregina would also participate in a performance test of Tsuibayaya's swimsuits against those in the Treasury. Like the others she concluded that the dwarf's creations were still inferior to those in Nazarick's possession. Yuri seeking to escape the perverted gaze of Shalltear hid behind Lupusregina. When the "Nazarick Swimsuit Athletic Meet" was organized, Lupusregina chose to join Shalltear's Red Group. At the first competition called "Sandy Beach Obstacle Race" Lupusregina came in third place at the finish line, but White Group still won thanks to the extra points Albedo earned for defeating the obstacle monsters. In the second competition, which was the "Floating Island Survival", the maid was the first to jump on the platform and maintain her balance in the center of the float. Lupusregina would have to skirt to the edge of the platform to avoid being in Yuri's way when she landed on the float next, but Red Group won after the float broke in half due to the weight of White Group. At the last competition of "Mix Gender Water Cavalry", Lupusregina served as one of Shaltear's carriers along with Solution. They carried their team leader against not just Albedo's White Group but also Momonga. Ultimately the game turned into a tie, though Lupusregina and the participants celebrated the game as it proved to be a fun experience.

While the E-Rantel Magic Research Institute was setting up barriers around the Northern Cave to prevent another horde from escaping. Lupusregina, Yuri and Shalltear snuck into the area to do another search, this time to see if they could acquire another specimen of an unknown beast. The trio were unable to locate anything significant, resulting in Shalltear making the decision to head back to Nazarick on her own, while the two maids continued scouting the area. When the two maids returned back to Nazarick, they were surprised to learned that Shalltear was still not back yet. Later it was found that Shalltear was under the incomplete mental influence of a World Item. Lupusregina and Yuri learning of their comrade's fate tried to take the blame for the incident as Shalltear they believed that had they been present with Shalltear they could have prevent it. Momonga did not see it that way as it was he who dispatched them outside Nazraick.

When Momonga learned that the remnants of Six Arms was conducting large-scale subjugation of the undead close to the area of where Shalltear Bloodfallen had been mind controlled, it was believed that the workers had some knowledge of what happened, To know for sure, Momonga sent Lupusregina and CZ to infiltrate the worker team, under the identities, Regi and Shuzuni. They pair impressed Malmvist that he takes them to Zero and Peshurian who allowed them to join. Regi was then given a moniker of "Laughing Mace".

They are brought on a secret job for the nobles of the empire, which involved locating the Captain of the Ghost Ship. Regi assisted in helping the team locate the Ghost Ship which was captained by Iguva=41, a fellow agent from Nazarick. After Zero 'defeated' the elder lich and forced him to join Six Arms. Later the team used the lich's ship to transport cargo for their noble employers to reach the Slane Theocracy and establish a hidden route through the Katze Plains to smuggling weapons to overthrow the emperor. The nobles were betrayed by Zero though who was acting as a double agent for the emperor and led them into an ambush with the members of the Four Imperial Knights. Afterwards Regi and the others watched as Zero demand to the knights to be granted the title of Imperial Knight as promised, though the knights postponed his promotion due to protocol, which he conceded for now. Despite not receiving his reward from the emperor, Zero was happy with the results as it led to the creation of New Six Arms. For Regi, Shizuni and Iguva=41, they were unable to find any concrete leads as to who brainwashed Shalltear, but from their placement in New Six Arms, they gained a valuable place to spy on the Baharuth Empire.

Later at a Tsukimi organized by Momonga for the NPCs, Lupusregina and Entoma were seen happily chowing down on dango at the moon-viewing, though CZ asked them not to spray their food out while they were eating.

Later at the approaching Halloween Festival, Lupusregina and CZ took time to cheer Foire up as she was still troubled by her experience with being controlled by a Pumpkin Monster during the last Halloween event. After Foire decided to put her effort to making sweets for the festival Lupusregina encouraged her to do her best. For the festival, Lupusregina dressed as her worker identity Regi. As part of the festival Regi was stationed with Demiurge and Momonga in his office to observe the defense training part of the festivities.

Lupusregina would be one of the maids acting as escorts to a trio of magical girls that arrived in Nazraick via the Crack. Later she and her sisters would assist them in returning home by nullifying the Chaos Beasts around the Crack in the Tob Forest.

Lupusregina was reported to be still collecting information in the Empire with CZ around the time when E-Rantel was experiencing a minor epidemic. The E-Rantel Magic Research Institute requested more Contaminated Beasts to experiment on. Nazarick was unable to dispatch CZ or Lupusregina to the mountains as Momonga did not wish to recall them just yet. She and CZ did return back to Nazarick to attend a commemorative Christmas party to celebrate the protagonist’s success in curing the disease afflicting E-Rantel. Since Narberal was in the field and absent from the party Lupusregina offered to save some of the food for her, however CZ saw through her lie and tried to stop her from snagging the treat, getting into a childish fight between her and Entoma.

At the orders of Momonga to prepare for a possible "New Year" event that would affect Nazarick, Lupusregina with her sisters did a "general cleaning" of Spa Resort Nazarick. Together with Sebas Tian they found no traces of anything.

Later when Momonga decided to forgo some caution against celebrating the "New Year" and host a Kakushigei Tournament, Lupusregina and the Pleiades were assigned to act as escorts with Sebas Tian and Pandora's Actor to protect the general maids in the spectator seats. Once again donning her kimono, Lupusregina enjoyed the opening ceremony and matches between the Floor Guardians. Her favorite match though was between Albedo and Demiurge. Once the tournament ended however, Lupusregina and the rest present in the Amphitheater found themselves transported in an odd Chaos Zone. Whilst Momonga and his party went to investigate the Bishamonten Shrine, Lupusregina stayed behind with the others to ensure the safety of the general maids. Once Momonga and his party defeated the one responsible for the translocation, Lupusregina and the others were returned to the Amphitheater. She and the rest of Nazarick were introduced to Shiro, the current Ruler of New Year, and now an ally to Momonga. To celebrate this new friendship, the maid joined in the festivities in watching Shiro play spinning tops with Aura and Mare.

When new visitors from another world came, Lupusregina observed a mock battle between the Demon Lord and Shalltear in the Amphitheater with a few of the Pleiades.

For the Sorcerer Kingdom’s National Foundation Day Ceremony, Lupusregina and the Pleiades were charged by Sebas Tian to serve as security for the venue. On the date of the National Foundation Day Ceremony, Lupusregina was the first to greet the lizardmen delegation arriving at Fake Nazarick. Afterwards she and the Pleiades, minus Narberal and Solution, guided them to meet the other guests which included Hamuske, Kyuko and a Death Knight, at a separate chamber where both groups became reacquainted with each other. They were then escorted to the replica of the Throne Room for the ceremony. At the banquet portion, Lupusregina commented on the vast amount of food for the guests and witnessed the unveiling of the Sorcerer King Momonga Statue.

Lupusregina and her sisters were called again to participate in the live shows of LittleMass’s successor LittleMasStar. In the first live show, she and the Pleiades conducted a mock battle with the idols and later enjoyed watching the entirety of the idol campaign.

Under Momonga’s orders, Lupusregina was stationed on the surface of the Great Tomb of Nazarick with Yuri. They were to prevent the escape of a summoned guest from another world. Having heard that the guest was able to transform himself, Yuri directed Lupusregina to attack the Skeletons that emerged from the tomb. The two would fail to stop the fugitive, but it matter little as Momonga had told them to allow so Nazarick would remain unharmed. And that the other Pleiades could pursue and track the fleeing target. The guest was located in E-Rantel, and as part of several conditions to peacefully leave the city peacefully, Lupusregina and a few of the battle maids went on a date with him. During her date session with the guest, the mischievous maid played many pranks on him; causing him to fall in a pit, threatening to pour slimes on him, commit arson. Surprisingly her threatening pranks did not up her date off, who in fact found them to be alluring.

Lupusregina participated in the trial test of Casino Resort Nazarick. After three days playing baccarat and roulette, the Pleiades maid came in sixth place with the most chips. Using her winnings she selected a tenugui made by Albedo as a prize.

The maid was present at a debriefing meeting prepared by the protagonist on the second survey of the isolated island that Lupusregina and her sisters had explored. Later to train herself in water front combat, for future missions to the island, Lupusregina participated in a mock battle tournament hosted in the Great Lake with some of the Pleiades and the lizardmen.

During the incident that saw the Great Tomb of Nazarick transform into Nazarick Academy, Lupusregina was mentally controlled and made to believe that she was a student at the academic institution. Lupusregina witnessed Shalltear join the class as a transfer student. When Shalltear disrespected Momonga, Lupusregina took a dislike to the new student. At 6th period, when Shalltear got into an argument with Albedo, Lupusregina was the one who told the newcomer that Albedo was the vice-principal. Lupusregina was part of the Kendo Club and welcomed her fellow member Narberal as well as CZ and Shalltear. After the incident, Lupusregina was freed from the mental effect and was recovering.

While stationed at New Six Arms' base, as Regi, she and Shizuni received a [Message] from the Slimeko, asking if they could ask Iguva if he still had the mithril adventurer plate that was on him prior to him turning into a lich. Unfortunately the elder lich captain did not have it on his person, so the three headed to the Ghost Ship docked in the Katze Plains. Despite their searching they could not find the plate anywhere forcing them to return back to the worker's base. Upon their return, Regi and Shizuni were approached by Zero, Peshurian and Malmvist who demanded to know why they were snooping around Iguva's vessel.

At first trying to play innocent, Regi and Shizuni then pretended to cave under pressure, confessing that they wanted to see if Iguva had a mithril adventurer plates that they could sell back to the E-Rantel Adventurer's Guild. Regi let it slip that the protagonist was interested in acquiring the plate and searching for it in the Katze Plains, which caused Zero to lead five of six members of Six Arms to the plains, as planned by the protagonist. The workers though ran into a horde of undead, forcing them to flee and run into Darkness. With the threat of the undead, the two groups agreed to a truce to fight them off. After the battle, Darkness informed the members of Six Arms that the mithril plate they were seeking was in the nest of a Skeletal Dragon. Although the foe was dangerous, Regi followed Zero's orders to team up with the adventurers of Darkness as raiding a dragon's hoard was deemed more profitable. Once the battle was over and the dragon slain, the workers of Six Arms claimed the hoard as their spoils, though allowed the adventurers to take the adventurer plates that were recovered. The treasure was split six ways, with Regi's and her two other undercover teammates share amount to half the treasure which was given to Nazarick.

Under her identity as Regi, Lupusregina and CZ acquired various magic items from Arwintar for Momonga's "Daily Magic Item Improvement Plan". When they encountered Malmvist they gave a cover story of want to resell magic items at E-Rantel for a profit. After delivering the items and retiring to the Pleiades Room, Lupusregina and CZ were greeted by Yuri who asked CZ to help clean the room, while Lupusregina went ahead to Span Resort Nazarick. There at the spa, Lupusregina was joined by Albedo who brought out the fan that she brought from the imperial capital. Together they marveled at its usefulness, albeit with some hesitation due to their pride in Nazarick's perfection. they came up with the idea of creating the Scented Moisture Fan as an original product of the Sorcerer Kingdom.

Lupusregina later met up with CZ at Casino Resort Nazarick, where they saw the general maids enjoying the gambling area and the new installed magic items from Arwintar. For the "Sorcerer Kingdom Daily Household Magic Item Fair '', Lupusregin and Albedo presented their finished magic item. At the conclusion of the fair, Lupusregina and CZ assumed their worker identities to leak out new of the Sorcerer Kingdom' s launch of new magic items via through New Six Arms.

Lupusregina answered the recall order to all Nazarick personnel outside of the dungeon. Once the rest of the agents were gathered and informed on the situation, they worked to undermine the the coming of the new Ruler of New Year by acquiring the Seven Lucky God Key Items for their ally Shiro. Lupusregina and Narberal were the two maids assigned to be part of Momonga's subjugation force. The two maids were given New Year's theme equipment from the Treasury, Lupusregina's costume being that of Sun Goku. She and Narberal did a performance dance before Shiro, earning the treasure Bag and mallet. After crossing through the Hatsumōde and defeating the manifested Ruler of New Year, the maid performed on a live stage with Narberal and LittleMasStar in the Amphitheater to celebrate New Year's.

After multiple Cracks appeared in E-Rantel, unleashing hordes of Chaos Beasts, half of the Pleiades and the entire team of Darkness had vanished, leaving their whereabouts unknown. During proceeding months, Lupusregina and remaining members of the Pleiades worried on the fates of their sisters. It was only when the protagonist returned safely with news that the lost were trapped on "other side" of the Crack was hope reignited for the Pleiades. Lupusregina joined the team for the rescue operation, equipped with specially made gear that could allow her to traverse safely through the "chaos environment". Upon finding and awakening Yuri, Lupusregina embraced her sister. When Gazef Stronoff approached, Lupusregina and majority of the maids hid to avoid the Warrior Captain from recognizing them as the Demon Maids of Jaldabaoth.

Trivia

 * In Latin, her name literally means "wolf queen."
 * Lupusregina claims that she serves only the Supreme Beings as a maid and thus, she is not the least bit interested in helping other people with chores and prefers to be served instead.
 * Ainz thinks that Lupusregina would be a more suitable companion to accompany him as an adventurer over Narberal Gamma, who he later regrets choosing.
 * Lupusregina is the first NPC to have truly anger and disappointed Ainz due to her lackadaisical attitude and inability to properly assess the gravity of a situation during a mission she is ordered to do in Carne Village.
 * In Mass for the Dead, Beast King Mekongawa is stated to be Lupusregina's creator.
 * According to the author, the cap that she wears may or may not hide her wolf ears.

Quotes

 * (To Enri Emmot): "Really now, En-chan, I've been following behind you guys from the beginning~su. Strange, didn't you guys notice? I thought everyone was ignoring me because I had no presence~su"
 * (To Nfirea): "What's all of this then~su. A pure, innocent boy's love, trampled just like that~su. Ah, what a riot~su! Fuha!... All right, enough kidding around, what really happened?"
 * (To Unlai): "Welp, I'm the maid of Ainz-sama, and the other Supreme Beings, soooo... I don’t want to work for anyone else ~su. I just want to laze around su~. Let's not talk about work and all that other stuff."
 * (To Enri): "...Hm? Something wrong? You've been sneaking glances my way recently. Are you in love with me? Ahhhhh, how troubling~ my, how shocking, to think that En-chan is a lesbian~su. Looks like I need to let everyone know~su."
 * (To Enri): "What what what what's this? Oh no~ My heart's beating so fast. But please don't confess to me. I'm not a lesbian, I like the opposite sex. Noooooo~ Let me go~ I'm going to be raped su~"
 * (To Enri): "Well, come lay your problems onto onee-san — from the secrets of H stuff to seducing men~"
 * (To Enri about becoming the Chief of Carne Village): "Aw, do I have to answer you...hm, well, whatever. To begin with, if you're being pushed into this position and you know you’re going to regret it, then you'd better not take it on to begin with. Think about what kind of things you can and can’t handle."
 * (To Enri): "This is just my opinion anyways; you should probably decide what you want to do on your own. Sit down, chew the cud a little, that sort of thing. For starters, let me put this out here, it doesn't matter if you're the chief or someone else is the chief, you're going to mess up sooner or later. There's only forty-one people I know who'll never make a mistake. 'Cos of that, no point worrying about what happens when you fail. But when you think about it, nobody's better suited to the job than you."
 * (To Enri): "Welp, that's about it. Haaa, I don't want to play counselor at all. Then again if En-chan didn't become the chief, the beautiful tragedy would unfold and it would be more fun."
 * (To Yuri Alpha): "That's right, Yuri-nee~ I mean every word of it. Every time I think of the people I get along with getting trampled like ants and exterminated with brute force, I can't help but laugh."
 * (To Narberal Gamma about Ainz): "Ainz-sama is amazing! I can't believe he thought so far ahead, and in such detail! He must be some kind of monster!"
 * (To Prince Barbro): "You're not needed in the plan of the highest one, of Ainz-sama. That's why you're going to die. Do you understand now?"

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