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Jubei was born to a small beastkin clan in the depths of Japan's mountains. His birth name was Mitsuyoshi. He has two younger brothers - Tomonori and Munefuyu, and came into the service of Clavis Alucard. When the Dark War began, Mitsuyoshi and his brothers survived the advent of the Black Beast, escaping Japan to a different country; their homeland was destroyed by the United Nations as they launched a barrage of nuclear attacks on Japan in a vain attempt to kill it. During their migration, the brothers and the rest of the survivors took the Hihiirokane, a sacred blade passed through their generations. Many of Mitsuyoshi's brethren died fighting against the Beast.

An unknown country offered Mitsuyoshi the chance to use his incredible genes to create an entirely new species that could combat the Beast. He agreed and the Kaka were created. The brothers also came across half-beastkin and gave them a home in their new village. Clavis gave Mitsuyoshi the mission to investigate Relius Clover.

Dark War

Phase 0, Phase Shift 1, Phase Shift 2, Phase Shift 3, Phase Shift 4

Mitsuyoshi watched as Tomonori ventured into an underground room in their hidden village. Following, he saw his brother grab the Hihiirokane, but the older brother did not chastise him. Mitsuyoshi calmly asked what he was planning to do with it, knowing that the sword was seen as a glimmer of hope among the survivors of the clan. Tomonori answered he was going to use it to cut down his targets, Kazuma Kval and Yuuki Terumi.

He let his brother go, telling him to strike down his target without fail, although he was concerned that Tomonori was not bringing anyone to help in his mission.[1] This was the last time Mitsuyoshi ever saw his younger brother, as Tomonori was viciously murdered by Kazuma.[2]

Some period of time later, Mitsuyoshi was travelling through a forest near a port town in order to travel to Japan. Clavis had given him the mission to find Shuichiro Ayatsuki and bring him back to the Alucard Castle. He kept to himself, but saw a man near a young woman, and attacked the boy under the impression that he was attacking her. They briefly battled, although Mitsuyoshi was confused when the man began to talk about someone called Jubei having defeated the Black Beast. Their battle was cut short by the girl, and Mitsuyoshi sheathed his blade. The duo introduced themselves as Ragna the Bloodedge and Celica A. Mercury - they explained that they had become lost and that Ragna was suffering from amnesia. Despite Ragna's cutting words, Mitsuyoshi shrugged them off, and had to explain that he was not related to the Jubei that Ragna kept mentioning. Upon learning that Celica is Shuichiro's daughter, the trio decided to head to Japan together, although Mitsuyoshi made it clear that he was hunting down the scientist, not saving him.[3]

In the evening of the same night, Celica, Ragna, and Mitsuyoshi rented out rooms in an inn and had dinner before the beastkin left to gather intelligence. The following morning, they left for Japan; using his influence as one of Clavis' employees, Mitsuyoshi was able to secure transport from United Nations officials, also finding and becoming acquainted with the leader of the naval base at the port town. The three of them were transported in the back of a pickup truck across the barren landscape. He listened to Celica talk about life possibly returning to the country in hundreds of years, and the group soon entered an area where they had to wear masks to protect them from the nuclear radiation. They had arrived close to the Seioudai Sampling Laboratory where Shuichiro had once worked, and begun to explore.

Battle for Kushinada

Entering a courtyard in the facility, they were met by a Remnant of the Black Beast itself. Angered by its presence and feeling a responsibility to face it after everything it had done to his brethren, Mitsuyoshi futilely fought against the Remnant before being soundly defeated - he could not land a scratch on it with his claws or his sword. The monster enveloped him, and was pushed back by Ragna. The injuries were severe, and Mitsuyoshi lost the use of his right eye from the encounter. Celica desperately tried to heal the wounds with her healing sorcery, but was unsuccessful - thankfully, Rachel Alucard appeared and teleported them to the Alucard Castle where Mitsuyoshi would receive treatment.[4] Within the castle, Valkenhayn R. Hellsing immediately carried Mitsuyoshi to the inner sanctum where he received treatment for his battered body. Clavis forced him to stay within its grounds to recover from his injuries.[5]

After recovering, Mitsuyoshi stalked Ragna and Celica as they made their way to Shuichiro's lab, also seeing that they had made companions in Trinity Glassfille and Nine. He saw Shuichiro die and watched as the group discussed Kushinada's Lynchpin. Deciding that the Lynchpin was far too important to the Dark War since it could nullify seithr if it absorbed a soul like Celica's, he deflected a bolt of sorcery that was aimed at it by Nine, one of the Ten Sages. Feeling that the only way to end the war was by sacrificing Celica to the Lynchpin, Mitsuyoshi fought against Nine, although neither could land a blow on one another - their skills in combat were matched only by their resolve to do what they felt was right. He skilfully dodged her multiple spells, including myriads of light bullets and arrows. The fight was stopped by Ragna and Celica, who pleaded with them to stop.[6]

The building soon shook with the arrival of the Black Beast itself. Nine teleported Celica, herself, and Trinity from the area, but Mitsuyoshi refused to join them, staying with Ragna to fight the Beast and buy the girls time to evacuate. Asking for Ragna's true name, the duo fought against the Beast, but the Grim Reaper was swallowed by it. Mitsuyoshi retrieved his sword and managed to return to the Alucard Castle alone. There, he found Celica, and handed her Ragna's sword, apologizing for not being able to save him.[7] Shortly afterwards, Mitsuyoshi changed his name to Jubei.

With Nine and Valkenhayn, Jubei went to the Alucard Castle after Clavis' death. They went to the prison at the bottom of the castle and found Terumi within the body of Kazuma, Tomonori's killer. Nine applied Mind Eater to the murderer, and he obeyed her every whim.[8] Some months later, Nine and Jubei entered into a relationship, although he was frequently embarrassed when she flirted with him in public.

Eight months after losing Ragna to the Black Beast, Jubei joined a council of warriors in the Magister's City of Ishana that were dedicated to the eradication of the Black Beast. Nine, Trinity, Hakumen, Valkenhayn, and Terumi were also part of this group. Representatives of nations that had not found refuge in Ishana showed their anger to those that had been sheltered; Jubei told them that those who had not been sheltered were those who had not known the true terror of the Black Beast. They begun to discuss Ars Magus, something that Nine had recently created, and Jubei showed a blade that he had been given by Nine earlier - it had the ability to cut through seithr with its blade that had been made with alchemy and sorcery. The meeting was cut short when they realised that Hakumen had already left.[9]

The group of warriors, who would later be known to history as the Six Heroes, found Hakumen with Celica outside, and they went back to the Mage's Guild in the center of Ishana. They discussed having tea together, and Jubei blushed as Nine began to flirt with him; the interaction was cut short by Seven and Eight, so the group disbanded, with Trinity and Jubei leaving Nine and Celica with the two Sages. The beastkin shot the Sages a glare filled with suspicion.

Flirtatious teasing

Trinity and Jubei waited for NIne and Celica in the latter's favorite cafe. The beastkin ordered green tea and poundcake with green tea powder, but barely consumed what he had. He kept adding cold water to the drink as it was too hot for him. When the sisters finally arrived, Nine took her time to playfully tease him for his cold tea, calling him cute and poking his fur. He sunk into his clothes in an attempt to hide his embarrassment and couldn't help but be shocked by the sheer amount of sugar that Nine poured into her coffee. Terumi came to interrupt their happiness, but Jubei reminded him of the Mind Eater's power; Terumi soon left and Celica attempted to make the conversation light-hearted, but accidentally yanked Jubei's tails, making him jump and accidentally flip the table - all of its contents came crashing onto Trinity's face. Jubei and the nearby Terumi came to learn of the wrath that follows when Trinity's glasses become dirty.[10] They exited the store together, Jubei shocked at Trinity's anger. He told the group that he had orders to investigate the situation in Eastern Europe with the Black Beast, and left them to follow his duty.[11]

Jubei soon returned to Ishana, joining the Six Heroes in a council room. They discussed the cauldrons situated in Eastern Europe, knowing that the Black Beast was likely to surface from one of them since they leaked the most seithr. The group knew that their forces would be too thinly spread if they guarded every cauldron; Rachel came to interrupt them, letting them know that she could lend her help, but provided them with a hint - the Beast would appear in front of Celica.[12] They soon deployed to Eastern Europe with Rachel's words in their minds. Jubei guarded one of the cauldrons with an assault unit comprised of demi-humans; they saw the Beast rise up in its full glory in front of Celica, and Jubei tried to resist the fear that filled his body. The unit rushed at the Beast's feet, aiming to trip it with alchemy weapons created by Trinity. The attacks were for nought as Seven and Eight teleported the Gigant: Take-Mikazuchi next to Celica, draining her of her power in order to fuel a blast that forced the Beast to retreat, giving humanity's first ever victory in the war. Jubei did not care for this, instead running towards Nine and Celica, checking to see if the younger sister was okay.[13]

A few day after the Black Beast was successfully repelled by Take-Mikazuchi, Jubei stood near the hole created by the Nox's power. He was dressed in his full battle regalia alongside Hakumen, Trinity, and Valkenhayn. Jubei, looking at what was once a village, was unable to believe the devastation that lay in front of him. He listened to Valkenhayn's anger and Trinity's concern for Nine and Celica. The group decided to return to Ishana, but in that moment, Jubei noticed that they had been surrounded by the OLN.

The group was taken back to Ishana, were they met with Terumi inside the Ishana Cathedral. Trinity went to get Nine, and when they arrived, Jubei listened as his partner began to detail how she had actually revived Take-Mikazuchi and that Hihiirokane was from the same era as it was. She told them a skewed version of the Prime Field War that she had learned from the Cathedral's books, and that another weapon was also from that era in Ishana – the Sealed Weapon Izayoi. Moments later, the OLN, lead by Seven and Eight, charged through and arrested Nine so that she could be taken to the Committee of Hearing. Jubei asked her to stay careful and Nine responded to him with a gentle smile as she willingly went with the soldiers for her hearing. [14]

OLN soldiers arrived almost as quickly as they had left, and they stormed the cathedral. Jubei watched as Hakumen effortlessly eliminated the soldiers and as they fired a hail of bullets towards him. Seeing that they were using firearms, Jubei concluded that a peaceful resolution was not an option. Hakumen ran ahead of them, and Trinity suggested that they hide at her workshop. Jubei cut down the vanguard at the cathedral's exterior, allowing the group to escape and begin their run from the OLN. They eventually reunited with Hakumen, Celica, and Nirvana inside the workshop, and Jubei vocalized his disbelief that Terumi had come along with them willingly. Before they could decide what to do next, the sounds of a large explosion rung throughout the city. The group ran towards the source, finding Nine locked in battle against Seven and Eight. Instead of fighting, they took Nine and ran, fearing that both the OLN and more members of the Ten Sages were on their way to pursue them. As they ran across the busy streets of Ishana, two shadowy figures dropped down – Suzukaka and Totokaka. Although the group was hesitant, Jubei insisted that they follow the Kaka to safety. They were taken to a forest where Nine was able to gather her magical strength. Moments later, Nine teleported them all to a location far from Ishana.[15]

As the surroundings became more visible, the group knew they were no longer in Ishana. It was a short distance away from the Kaka village, caused by the mental images of Suzu and Toto. Nine asked Jubei who they were and, trying to find an answer, awkwardly introduced them as his daughters. Nine misunderstood and fired an explosion that sent Jubei's hairs on end; she endlessly apologized to him as he began to explain the actual relationship that he had with the Kaka. Jubei began to express some regret about the ethical implications of the Kakas creation, but Suzu cheerfully told him that they were all happy and enjoying life. She also told him that Munefuyu had visited earlier; Nine began to tease him about Suzu's behaviour, saying that she's a good daughter. Eventually, the group arrived at the Kaka village.

Later that evening, the heroes gathered in a shack in the village. Jubei ignored Terumi's rude remarks about his and Nine's relationship and listened as his partner continued her earlier explanation about the Age of Origin. She detailed Logic and why the Black Beast was immune to the nuclear warheads launched in Japan at the beginning of the war. As she went to go to bed, Jubei offered to walk her back, becoming slightly disheartened as she declined.[16]

Celica and the crystals.

The following morning, Jubei followed Celica and Hakumen as they made their way to an old train station. As they, and the rest of the heroes as well as Suzu and Toto, followed the tracks, they found an old tunnel. Within this tunnel was a cave that was aglow with innumerable blue crystals. Celica began to glow with these crystals, which Hakumen realized were capable of neutralizing seithr and part of the Power of Order.

A Kaka came rushing in, demanding that the group returned to the village to receive urgent news. They learned that Seven and Eight were gathering villagers in a village in Asia and planning to use them so they could summon Take-Mikazuchi once more. Without any kind of controlling mechanism, the heroes decided that they would interfere and stop their plan.[17] Nine teleported the heroes, Celica, Suzu, and a group of Kaka to the Asian village.

Nine and Jubei took it upon themselves to take down Seven and Eight while the other heroes focused on evacuating the thousands of people. They ran towards both Sages and watched as both Take-Mikazuchi was summoned and the Black Beast appeared. The two giants fought against one another, but the Beast locked one of its many jaws on the Nox's neck. Seven and Eight attempted to make the Nox retreat back into its summoning circle. Nine and Jubei shouted at them to stop; the Beastkin leapt at Seven and swiped his blades at him, but they missed as Seven retreated behind a curtain of water. Ultimately, they were too late, and both the Beast and the Nox fell into the circle, causing a massive explosion of seithr.

Jubei, the other heroes, Suzu, Celica, and Eight awoke on a hilltop in Ishana. They looked over the hilltop and saw a sight of nightmares: the Black Beast chewing on Take-Mikazuchi's shoulder. It then looked up, stared at the group, smiled, and disappeared.[18]

After the crash of Take-Mikazuchi into Ishana, the heroes and Celica were no longer being hunted down by the Guild and the OLN. Instead, the group offered to help the Ishanans in their time of need. The OLN were suspicious, having their guards stay close to each of their members but failing to act, likely out of fear of Hakumen. With his incredible strength, Jubei assisted in lifting the rubble that resulted from the crash and helped direct the Kaka when they arrived to lend their assistance.

The day after the crash, Jubei found Celica and Valkenhayn. The butler was berating her for straining herself too much with the restoration efforts, so Jubei interrupted and asked him not to preach. However, he made it clear to Celica that she needed to heed Valkenhayn's advice, and the two men exchanged a look of shared dismay as it was clear she was not listening. The reason for this was Nine's arrival, as she had come out of a meeting. She made it clear that she believed that the Mage's Guild and the Duodecim were conspiring with the OLN to the point that their merging was a possibility. He then watched as Seven, Eight, Three, and Four followed her, and watched as Eight and Nine began shouting at each other in the middle of the street. Jubei took his leave, deciding to continue helping the Kaka with their efforts for Ishana. [19]

Two days after Take-Mikazuchi had crashed into Ishana, Nine summoned the heroes together. She explained to them that she was going to be creating new weapons made out of half of Take-Mikazuchi's core – the Nox Nyctores. Nine needed time, however, to make these weapons. Jubei noted that the Beast constantly needs to go to cauldrons to gather up power, and so it was possible to delay its advance by intercepting it at each cauldron. The heroes agreed upon the plan. Before leaving with the other heroes, Jubei was gifted a sword and armour by Nine, both of which were prototypes created by her for his own usage. Whether they were prototypes of the Nox Nyctores is unknown.

The heroes, bar Nine, were sent with an army created from humanity's last remnants to create camp and stall the Beast. When they arrived at the area they expected the Black Beast to arrive to, Jubei noticed that it had already been in this area and destroyed the city that once stood there. They expected the Beast to tail back after going to a nearby cauldron, so they prepared for its arrival. Jubei, however, was in anguish when he learned of the city's fate. He stared out at it, and when Hakumen arrived behind him, Jubei's emotions burst out. He was sick of it: he was sick of the war and sick of the Black Beast stealing the lives of everything that dared live in front of it. He told Hakumen that he would do anything to defeat it, and would take any power given to him just to end it. Terumi called out to them both, and they returned to the camp in anticipation of the battle that would occur.

A month passed and at last the Black Beast heralded its arrival as black towers of seithr loomed beyond a mountain. Jubei, Hakumen, and Valkenhayn took a step forward and charged with the army behind them following suit. Seithr bellowed forth, creating an army of monstrous creatures to meet the soldiers on battlefield. Jubei cut through every monster in his path, but the three heroes noticed that the seithr was encircling the army. Realizing they would be trapped, they called back to the army to retreat, but it was too late. The circle was complete, and the Black Beast burst through the center to devour the soldiers-turned-prey. As the soldiers fled, Jubei stood his ground with his comrade heroes despite Hakumen's demands that he and Valkenhayn retreat. Their argument was cut short by Ayame Yayoi of the Yayoi house. She told them to retreat as she activated her weapon, the Sealed Weapon Izayoi, and cut down the seithr monsters as well as the seithr wall that had trapped the army. Everyone obeyed and evacuated through the corridor she had made.

The Beast and its seithr army seemingly lost interest and did not pursue. Night fell and back in the camp, Jubei and Valkenhayn saw Hakumen exit a medical tent, where he told them both that Ayame had died from overusing Izayoi in order to save them all. Jubei was disheartened, but they had no time to mourn as a soldier ran towards them and made them aware that the seithr in the camp was rising, signalling the Beast trying to appear within the camp grounds. The heroes scrambled to evacuate the camp, barely succeeding. One month they needed to stall the Black Beast, but this was only the first day. [20] Through some miracle, the Beast was stalled for a month, but they lost over half of the army. They returned to Ishana by boat, where Jubei was met by Nine, Celica, and Trinity. Nine embraced him, unsure if he was going to return, while Celica healed his wounds despite Jubei's protests. They had bought enough time for Nine to complete the Nox Nyctores.

Nine summoned the heroes and Celica to a room within the Mage's Guild where she introduced them to their respective Nox Nyctores. Valkenhayn refused to have one since he could take on the Black Beast without a weapon as he exists outside of Logic. To Trinity went the Arma Reboare: Muchourin, to Hakumen the Interfectum Malus: Ookami, to Terumi the Geminus Anguium: Ouroboros, and to Celica was returned the Deus Machina: Nirvana. Jubei received the Mucro Somnio: Musashi, blades which can cut through things which cannot normally be cut. Nine issued them a warning: that these weapons will affect their mentality negatively, but that's what makes them stronger. As well as this, after the Dark War these weapons would be sealed away as their power is too much for humanity to handle and would distort the future past.

Ishana rallied together with the remainder of humanity to strike the Black Beast for one final time. Hakumen summoned the other heroes and Celica to Trinity's workshop. There he revealed that they were not going to be able to kill the Beast. Their mission was simply impossible unless they tried something else. To this end, Hakumen proposed that Celica go inside the Beast and meet with Ragna. Together, they could fight against the heart of the Beast, Nu-13, causing the Beast to lose some of its intelligence and succumb to its base desires of wanton massacre. It would be baited to follow after a large army, bringing it closer to the Kaka Village and the cave near it which was filled with crystals of Order. These crystals neutralize seithr, so the Beast will only get so close. Once it was close enough, the Ten Sages and strongest members of the Mage's Guild would work together to teleport the Beast above it. The Black Beast would be drastically weakened and could then be killed. In order to do so, however, both the body and the heart would have to be killed at the same time as they shared a life-link. Jubei offered up a solution to get Celica inside the Beast: using the Hihiirokane to cut through it, and then using Nirvana to retrieve her. Although it pained Nine to put Celica in harms way once more, Jubei knew that it was the only option they had. He resolved to go and retrieve the Hihiirokane after the meeting ended.

Hihiirokane had been left with in Castle Alucard with Clavis Alucard before his death. Valkenhayn took both Jubei and Hakumen to the manor to talk with Rachel. Jubei had not visited the manor since Clavis' death and felt uneasy at how it changed to suit Rachel as it gave the impression that Clavis had never even existed as its lord. Rachel agreed to hand Jubei the Hihiirokane on the condition that he accept the role to slay Terumi. Jubei agreed, hoping to not only just use the blade to cut into the Beast, but also to avenge Tomonori's death. Rachel offered Jubei one more item: the Eye of Tomonori, an artificial eye based on Tomonori's eyes which had seen Terumi's true spirit form. With the Eye of Tomonori, Jubei would be able to discern Terumi's spirit form himself and land a clean strike with the Hihiirokane. Eager to avenge his brother, Jubei accepted and was escorted to another room by Valkenhayn and Rachel where the eye was implanted.[21]

Jubei returned to Ishana and, ten days before the Black Beast was due to appear near the island, sat in a meeting where Nine explained Hakumen's plan to the organizations within Ishana. She did not mention Hihiirokane, Celica, or the Beast's heart as they were unlikely to believe in such things, and without belief they would not be likely to support the plan. Nine explained that Jubei and Hakumen would be in charge of fighting the Beast near Ishana, and so the two left to set up a small camp on the mainland in anticipation of its arrival.

On December 31st, 2109, the Black Beast finally arrived. As it made its grand appearance and stared out to Ishana, ready to swim to it and destroy it, arrows of light rained upon it, fired by an Ars Magus unit in the distance. The Beast changed direction, looking towards them. Hakumen fought the Beast, distracting it. As he was knocked aside, it gave Jubei the chance to finally attack. He drew Hihiirokane and cut deep into the Black Beast's shoulder, causing it to write in pain and allowing an entrance for Celica to be cut open. Nirvana took Celica in her arms and ran forward into the opening; as she did so, she begged Jubei to fight his hardest. As she was swallowed into its darkness, Jubei unsheathed Mushashi and cut away at a wave of seithr coming to his direction.


As a result of Celica's interference inside the Beast, it began to lose its intelligence and was successfully baited towards the teleportation circle. It lunged at Nine, but its gaping maw was caught by Valkenhayn. Jubei and Hakumen ran forward and cut at its neck at the same time, decapitating one of the many heads of the Black Beast. The teleportation was successful, as the Beast was then put on top of the cave filled with crystals of Order. Jubei and the other heroes rendezvoused and saw the Beast writhing in sheer pain. It was unable to heal its wounds due to the location. Jubei and Valkenhayn ran towards it, striking as many times as possible at one of its heads. Jubei struck so many times with Musashi, Hihiirokane, and his own claws that one of its heads was decapitated. Hakumen then ordered that they continue to decapitate as many heads as they possibly could. Jubei continued, running forward and using Musashi to decapitate yet another head of the Beast. Finally, the Black Beast then lay still.

Rachel appeared nearby with Celica and Nirvana. The heart had been slain. The Black Beast then deflated down into the shape of a man, a shape that looked similar to Ragna. Hakumen walked forward and swung down Ookami, decapitating it. The Black Beast was dead, and the Dark War was finally over.[22] Jubei, Hakumen, Nine, Valkenhayn, Trinity, and Terumi were then granted the title Six Heroes due to their incredible bravery and influence in ending the war. Although both Jubei and Trinity did not like the title, they accepted it because they knew the world needed a new beacon of hope to look towards as the civilization was being rebuilt.[23]

Months soon turned into years. Jubei helped to build Celica A. Mercury's Church. Together with Nine and Celica, they had herbal tea together that was sent by Trinity, and the three of them enjoyed peace that they had not known together before.[24] Jubei and Nine were wed by Celica after finishing the church. They became parents, having a daughter named Kokonoe. Following the end of the war, Hakumen and Jubei decided to travel the world and destroy the cauldrons, feeling that they could not risk a creature like the Black Beast rising out of them once more. Nine allowed this on the condition that he come back at least once a season to visit his family in Ishana. By this time, the OLN and Mage's Guild had merged to become the Novus Orbis Librarium, and they focused on the management of Ars Magus while also trying to build up control over the world as it was rebuilt.

Both Jubei and Hakumen went to the NOL's Geological Survey Asian branch to kill what would be their tenth cauldron. As they entered the branch, they noticed the lack of guards, but managed to find the cauldron at the bottom. As they entered the room, the cauldron began to open, and Terumi emerged from nearby. He asked them if they had heard the news. Neither man knew what he meant. Terumi elaborated with glee: had they heard about the deaths of Nine and Trinity. Jubei was unable to move, it was if time had stopped for him. Hakumen asked who had killed them, but Terumi dodged the question, instead saying that there was only them, Valkenhayn, and Rachel left to kill. Wit this, he launched Ouroboros at them both, which they only narrowly dodged. Terumi launched several chains towards Jubei as he turned his attention to Hakumen.

The battle was fierce as Ouroboros had its core still intact, while Musashi and Ookami had theirs released, making them much weaker. Jubei attempted to cut through Ouroboros with Musashi but it was not possible. Terumi was gaining strength both from the men's hatred and from the cauldron opening up. As it fully opened, Terumi launched a massive snake composed of energy at the two heroes; Jubei dodged but Hakumen was hit. Terumi then took his time to taunt Jubei, asking him to go and join his brother and wife in the afterlife unless he wants them to sleep together. Killing intent ran up Jubei's spine as he ran forward, dodging every chain and landing two slashes on Terumi's chest. Unfortunately, this did little to harm him as Terumi's healing factor and reaction times had improved massively since they last met.

With no choice left, Jubei used the Eye of Tomonori, revealing Terumi's true form. He noted that it looked something like Take-Mikazuchi. It was at this point that Jubei realized that he was not able to kill Terumi because he did not have Hihiirokane on his person. Hakumen, however, had managed to grab Terumi. Hakumen shouted at his friend, telling him that he was going to drag Terumi into the Boundary with himself and that Jubei had to seal the cauldron afterwards to prevent his escape. Jubei screamed back, saying that he should be the one to kill him, but Hakumen insisted, reminding Jubei that he still had a family in Celica and Kokonoe. With this, Hakumen threw himself and Terumi into the Boundary as Jubei closed the cauldron. As the battle ended, Jubei cried and cried, pounding his fists into the ground. Terumi had stolen as much as he could from him: Tomonori, Trinity, Nine, and now Hakumen. [25]

Eventually, Jubei left the facility, the only member of the Six Heroes to still reside in modern society as Valkenhayn had left to return to the Alucard Castle. He left Kokonoe in the care of the NOL and presumably told Celica about what had happened. Jubei then began to wonder across the world, rarely seeing his daughter. At some point the NOL began to hunt him down, presumably because of his involvement with killing cauldrons.

Ikaruga Civil War

Remix Heart

In 2192, early on in the civil war, Jubei discovered that the church had been attacked, burned down to ash by Terumi. Celica was dead, Saya and Jin had been kidnapped, and Ragna was the new owner of the Azure Grimoire, the corpse of the Black Beast itself. Rachel told Jubei of the situation, and the old beastkin decided to take him under his wing, raising and training Ragna. Two years into this training, Jubei accidentally sent his pupil meters into the air. Jubei taught Ragna history, how to survive outside of the Hierarchical Cities, how to fight, how to cook, and how to use the Azure Grimoire. He soon learned that Saya had disappeared into the NOL, and that Jin had been adopted by the Kisaragi family, relaying this information back to Ragna. [26]

Jubei did not participate during the second war of Ars Magus, and instead relinquished his time to training Ragna. One exercise included sending his pupil to the 15th Hierarchical City of Torifune and to take-out the Aedsqui Grimoire. Unfortunately, Ragna failed to do so. [27] Jubei had the difficult task of stopping his pupil from attacking the NOL, but eventually, a time came when he believed Ragna had finished his training. Rachel and Jubei gave Ragna the red jacket and Aramasa that had formerly belonged to Bloodedge.

Variable Heart

In 2198, after the end of the war, Jubei infiltrated an NOL train destined towards the 13th Hierarchical City of Kagutsuchi with the intent of finding the Boundary Interface Prime Field Device that lay within. He caused an explosion, distracting the soldiers on board and fought them with Mai Natsume and Kajun Faycott, who had also infiltrated the train. Mai assaulted him after being controlled by her Legacy Weapon - the Gallia Sphyras: Outseal. After making her calm down, Jubei used Musashi to cut down an Anti-Demon Beast Grimoire that had been launched towards him by a soldier, but the grimoire malfunctioned and the train was sent derailing. [28] He later rendezvoused with Rachel and Valkenhayn in the 11th Hierarchical City of Shinatsu, finding that the Prime Field he was meant to find had gained an identity as Bell. Ragna had an outburst towards his master and the vampire, but was teleported away. [29]

After the defeat of Meifang at the hands of Mai and Jin, Jubei met again with Trinity, this time her soul residing inside the body that belonged to Bell, the consciousness of its previous personality no longer within. The two talked about the fairness of the situation on Bell, but Trinity knew it was her wish for the event to happen like it did. [30]

Chrono Phantasma

Chrono Phantasma

Training Jin was the first thing that Jubei had on his mind. He helped the young mand develop his abilities with Order, also telling him about the Sealed Weapon Izayoi, the Amaterasu Unit, and the Prime Fields. He wanted nothing more than for Jin to succeed in saving Tsubaki, remembering his own pain from failing to save Nine.[31]

Jubei appeared much later to attack Izanami when he had the chance. Unfortunately, his blow was blocked and the Goddess of death unleashed Phantom's restraints, letting her, as Nine, battle against her husband. The two fought but it is not known who won.[32]

Six Heroes

The two separated and as Jubei made his way into the Ikaruga Region, specifically the 6th Hierarchical City of Yabiko, he made sure to not encounter the NOL. He resigned himself to having to find Kagura Mutsuki and Kokonoe.[33]

At some point, he found both Hakumen and Celica. He was shocked to see the mage, especially since she was in her appearance from the Dark War, but concluded that it was Kokonoe's doing. Valkenhayn and Rachel appeared, teleporting the group to the Alucard Castle where they also met Trinity. The remnants of the Heroes of the Dark War formulated a plan on killing Terumi, ending his evil forever; Jubei expressed regret for not having killed Terumi when he had the chance following the war's end.[34] Rachel later used the Eye of Tomonori to help Trinity materialize Terumi in the world, and Jubei, Celica, and Hakumen went to battle the mad man. They won the battle, but Terumi was teleported away by Phantom. Jubei had his suspicions confirmed by Celica that Phantom was indeed Nine. [35]

Central Fiction

Arcade Mode

Once one of the "Six Heroes" that defeated the Black Beast, and a beastkin bearing the nickname "One-Eyed Lotus". He taught Ragna how to use a sword, and was the one who saved Ragna and his siblings and brought them to the "Church." Always one to settle things by himself, he quickly raises the Causality Weapon "Mucro Somnio: Musashi" in order to stop his resurrected wife "Nine." [36]

Act 3: The Replacement Blue

Stage 3: Ragna the Bloodedge

Ragna: Wha-!? Master?

Jubei: Ah, it's you.

Ragna: Don't "it's you" me. What are you doing here!?

Jubei: Mm...

Ragna: ...Umm?

Jubei: ...Yes, I suppose you would do just fine. Ragna, think fast.

Ragna: Huh!? Wha-! Wai-!

<Jubei Victory>

Jubei: I'd say that should about do it. Forgive me, but you were perfect to test how much I've recovered.

Ragna: Damn that hurt. You couldn't tell me this BEFORE you started attacking me!? You're one crazy cat. Heh, see what I did there? *Ahem* Never mind. I was actually looking for you, too.

Jubei: You don't say.

Ragna: Whatever. Tell me. You don't really intend to fight in that state, do you?

Jubei: Hahaha! Never thought I'd live to see the day you worried about me! Don't you worry. I may have a few scratches here 'n there, but it's not going to stop me from fighting. It's time I settled this score.

Ragna: That's not what I was talking about. But if you've made up your mind, guess there's no point in trying to change it. I've got no intention of stopping you.

Stage 6: Celica A. Mercury

Jubei: Hm...? Where is this...?

Celica: Mister Jubei! *pant pant* I finally found you... I was looking all over for you. And boy, do I mean all over. We ran into this huge alligator in a swamp! And it's mouth was HUGE! But, Minerva knocked out all of its teeth, and he swam away crying...

Minerva: ...

Jubei: I sympathize with you, poor alligator. You didn't see it coming. Never mind that, Celica. Let's set aside your adventure for the moment. You said somethin' about looking for me? As much as I'd love to stick around and chit-chat, I'm in a bit of a hurry.

Celica: You're talking about my sister, aren't you? Mister Jubei. You know that in your current state, you're...

Jubei: ...I'm what? Hah! I hope you weren't looking for me just to tell me that, missy.

Celica: And if I said that I was... ...what are you going to do?

Jubei: ...Nice try. But, you can't stop me.

Celica: You stubborn old man! Get him Minerva. Stop this idiot!

<Jubei Victory>

Jubei: ...Hmph. What are you up to, Kokonoe?

Stage 7: Kokonoe

Kokonoe: I was trying to show some idiot the truth. Or did you not even realize?

Jubei: ...What? Come now. I know it's been a while, but I'm still your daddy. Don't go around callin' me an idiot.

Kokonoe: My goodness, it remembers. I was beginning to think you forgot we were related.

Jubei: Now you've gone too far! I never thought you'd try to throw Celica at me. Illusion or not.

Kokonoe: Interesting. "That" looked like Celica to you? Well then, how about now?

Jubei: ...Kokonoe, I've had about enough of...

Kokonoe: I knew it. Bring everything you've got, you dimwitted father!

<Jubei Victory>

Jubei: Wha-!? Kokonoe, we've been in your space all along? Since when was I here?

Kokonoe: The moment you saw Celica. *Sigh* I had a hunch when I saw you fighting Ragna. But, do you get my point now? You're weak. Sure, when you were younger, you could cross the Boundary without batting an eye, but now you couldn't even see through this level of intervention.

Jubei: ..Gr.

Kokonoe: Let me be frank. Even the biggest miracle in the world couldn't help you defeat mother.

Nine: Aww, how kind of you, Kokonoe. Are you that worried about your father?

Jubei: Nine!?

Kokonoe: Mother!? How did you intervene into my Space?

Nine: Hehehe, it was quite easy. I helped design it, remember? Besides, you really didn't do a great job at keeping people out, Kokonoe.

Stage 8: Nine the Phantom

Jubei: What's the meaning of this, Nine...!?

Nine: Do you remember this place? Because I still do. The first time we fought each other. You were very strong. Even stronger than me... Strong enough to defeat Hakumen.

Jubei: What are you getting at?

Nine: You've gone soft. Holding back because she's your own daughter?

Jubei: Of course. I would never dare try to kill her. I would never unleash my strength against an opponent who wasn't trying to kill me.

Nine: Oh? Then I wonder what you intend to do with all that pent up rage you have dormant inside of you. Say, dearest. It's time to see how serious you really are?

<Jubei Victory>

BlazBlue Central Fiction Jubei Arcade 01(A).png

Jubei: NINE!!

Nine: What's the matter, dear? This should be easy for you. Just move your blade to the side, and you can put an end to everything. Hehehe.

Jubei: Everything...? EVERYTHING!? All I wanted to do... Is protect you. That's why I...

Nine: ...tried to bear the sins of all six of us? And continued fighting?

Jubei: ...

Nine: Oh you haven't changed one bit, have you...?

BlazBlue Central Fiction Jubei Arcade 01(B).png

Nine: You're SOFT!

BlazBlue Central Fiction Jubei Arcade 02.png

Jubei: K'uh!!

Nine: That's not good enough! You can't change anything with that. It's time to reset our history. This era. With our own hands! We are going to rebuild this world's system...

Jubei: That's why you want to create a god, Nine!? What reason do you have to deny everything we've done!?

Nine: Reason? Don't make me laugh. I don't expect anyone to understand. I will see my justice through. And, so should you... ...even if that means "killing" me.

Jubei Act 3 END

Story Mode

Becoming one of the chosen, Jubei was absorbed into the Embryo, and his memories were altered to make him believe that the date was 12/31/2199, as well as other certain discrepancies. He found Ragna on the edge of Kagutsuchi, and warned him about his huge bounty before realising that his former pupil had lost all of his memory, not even recognising his old master. This startled the old beastkin, who had now realised that something was definitely wrong with the world he was in. He left Ragna a cryptic hint to head towards Kagutsuchi before going to do his own investigation. [37]

In Orient Town, Jubei found Jin, and was greeted as if they had spoken recently, although to Jubei's memories, he had spoken to him over ten years prior. They both departed on separate ways to conduct more investigations on the world. [38]

Jubei's memories returned to him and he found Jin, Trinity, and Platinum, warning them of the eleventh Nox Nyctores, and asking them to return to Yabiko with him since Kokonoe would need all the help she could get. [39]. Before travelling to Yabiko, they dropped Platinum off at the Kaka Village. Totokaka looked at Jubei's wounds, knowing them to be serious but he shrugged away her concern. He later told Platinum to materialise Hihiirokane so they could cut at Terumi's soul, lending them the Eye of Tomonori in order to do so since they had never seen the blade. [40] Trinity, Jubei, and Jin travelled back to Yabiko and met with Kokonoe, Ragna, Celica, Kagura Mutsuki and Rachel. The beastkin revealed how that the entrance to Nine's workshop is near impenetrable, and that there are specific locks that need to be opened to enter it. [41]

Protecting his wife one last time

Jubei went the following morning as part of the strike squadron that was teleported to Nine's workshop, standing guard over the entrance to the cauldron, and Nine found him. He was defeated, and thrown into the workshop next to the other members of the squadron. He listened to his wife's explanation of the Prime Field War, her desire, the world, and why she created the Corpus Sepulcro: Requiem. He watched as Ragna defeated his wife, and ran to her side afterwards. [42] Izanami arrived and threatened to kill them all, with Nu accompanying her. Jubei protected Nine from the onslaught of Nu's attacks while Nine, using the Radiance of Extinguishment, was able to briefly bind Izanami and activate Requiem, freezing time. He protected his wife until her last moments, promising to meet her again in the afterlife. Instead of leaving the workshop, he stayed to battle Nu and ensure Requiem was safe so Nine's death would not be in vain. [43]

Nu and Jubei found themselves awakening outside the Amaterasu Unit and the old beastkin gave his best to prevent her from attacking the Master Unit despite his grievous wounds. Hakumen and Tsubaki arrived to help him, granting him rest from the weary battle. He talked to his daughter over a communications device, immediately realizing that it was a data copy, and not the real Kokonoe who had returned to seithr. He apologized for being a terrible parent to her, but the copy asked that he instead tell that to his real daughter when the chance presents itself. He looked after Nu alongside Tsubaki until he dissolved into seithr as well, he data backed up by Es. [44]

Jubei was last seen in the new world created by Ragna, watching over Platinum as she was taken into Litchi's care. [45]


  1. BlazBlue: Phase Shift 1, Chapter 4 - Doubt of Yellow Equilibrium
  2. BlazBlue: Phase Shift 1, Chapter 6 - Voice of Emerald Evil
  3. BlazBlue: Phase 0, Chapter 1 - Lost White
  4. BlazBlue: Phase 0, Chapter 2 - Destructive Black
  5. BlazBlue: Phase 0, Chapter 3 - Reality's Red
  6. BlazBlue: Phase 0, Chapter 5 - Chance-met Silver
  7. BlazBlue: Phase 0, Chapter 6 - Promised Azure
  8. BlazBlue: Phase Shift 1, Prologue
  9. BlazBlue: Phase Shift 2, Chapter 1 - White Blade, A Flower
  10. BlazBlue: Phase Shift 2, Chapter 2 - Purple Ones, Their Theory
  11. BlazBlue: Phase Shift 2, Chapter 3 - Scarlet Guardian, the Doll
  12. BlazBlue: Phase Shift 2, Chapter 4 - Indigo Heart, the Conception
  13. BlazBlue: Phase Shift 2, Chapter 5 - Black Beast, Reappears
  14. BlazBlue: Phase Shift 3, Chapter 1 - Battlefield with Blue Sky
  15. BlazBlue: Phase Shift 3, Chapter 2 – Turbulent Ashen Current
  16. BlazBlue: Phase Shift 3, Chapter 3 – Copper Catgirl
  17. BlazBlue: Phase Shift 3, Chapter 4 – Silvery Illusion
  18. BlazBlue: Phase Shift 3, Chapter 5 – Hope and Despair on the Green Hilltop
  19. BlazBlue: Phase Shift 4, Chapter 1 - Swirling Tea
  20. BlazBlue: Phase Shift 4, Chapter 2 – Sweeping Away Crimson Grief
  21. BlazBlue: Phase Shift 4, Chapter 3 – Demonic Human Weapon
  22. BlazBlue: Phase Shift 4, Chapter 4 – Azure Wish's Fate
  23. BlazBlue: Phase Shift 4, Chapter – Colorless Guiding Light
  24. BlazBlue: Phase 0, Epilogue
  25. BlazBlue: Phase Shift 4, Chapter 5 – Blue Snake's Crazed Play
  26. BlazBlue: Calamity Trigger - Part 2, Chapter 3 - False Hero
  27. BlazBlue: Remix Heart, Chapter 11
  28. BlazBlue: Variable Heart, Chapter 04
  29. BlazBlue: Variable Heart, Chapter 11
  30. BlazBlue: Variable Heart, Chapter 18
  31. BlazBlue: Chrono Phantasma, Story Mode, Chrono Phantasma, Episode 3: Beneath the Surface
  32. BlazBlue: Chrono Phantasma, Story Mode, Chrono Phantasma, Episode 17: Doomsday
  33. BlazBlue: Chrono Phantasma, Story Mode, Six Heroes, Episode 2: Year: 2200
  34. BlazBlue: Chrono Phantasma, Story Mode, Six Heroes, Episode 7: Destined Rendezvous
  35. BlazBlue: Chrono Phantasma, Story Mode, Six Heroes, Episode 8: Bonds of Fate
  36. BlazBlue: Central Fiction Consumer Edition Official Site (JP), Story - Jubei
  37. BlazBlue: Central Fiction, Story Mode, Episode 001, Chapter 007
  38. BlazBlue: Central Fiction, Story Mode, Episode 004, Chapter 025
  39. BlazBlue: Central Fiction, Story Mode, Episode 010, Chapter 077, Sub Scenario 1
  40. BlazBlue: Central Fiction, Story Mode, Episode 010, Chapter 078, Sub Scenario 1
  41. BlazBlue: Central Fiction, Story Mode, Episode 010, Chapter 079
  42. BlazBlue: Central Fiction, Story Mode, Episode 010, Chapter 081
  43. BlazBlue: Central Fiction, Story Mode, Episode 010, Chapter 082
  44. BlazBlue: Central Fiction, Story Mode, Episode 011, Chapter 092
  45. BlazBlue: Central Fiction, Story Mode, Episode 012, Chapter 100