Hinata Sakaguchi is a human “saint” and one of the Ten Great Saints, serving as both captain of the Holy Knight Order and chief knight of the Pope’s personal guard in the Holy Empire of Ruberios, renowned across the Western Nations as the strongest swordsman and known as the “Right Hand of God.”
Originally a Japanese girl transported from modern Earth, she becomes a key figure in the series That Time I Got Reincarnated as a Slime and develops a complex, fate‑bound relationship with Rimuru Tempest and Chloe Aubert.
Hinata is a former Japanese high school student who was accidentally transported to another world on the day of her entrance ceremony.
She is a beautiful woman with black hair cut to just above her shoulders and cool black eyes that give a cold, intimidating impression.
Despite being physically in her late teens to early twenties in appearance, she is likely in her late twenties by the current point in the story.
In the Western Nations she is feared and revered as the most powerful swordsman, a saintly human who has surpassed normal human limits.
She is one of Shizue Izawa’s students, and Shizue’s emotional legacy strongly influences her life choices and her eventual bond with Rimuru Tempest.
Within the Western Holy Church she is effectively at the very top, acting as the practical head of the organization that upholds the faith of Luminous Valentine.
Hinata’s defining goals are the creation of a world without conflict, where equality, fairness, and universal happiness are possible.
To reach this ideal she demands constant effort and harsh self‑discipline, unflinchingly subjecting herself to trials and responsibilities that few could bear.
Hinata’s power level after inheriting “True Longsword (Truth)” is a bit over one million EP, putting her solidly among the top human‑class combatants of the setting.
Her species is human (saint), reflecting that she is still human in race but has reached a transcendent “saint” state.
Her main titles include: captain of the Holy Knight Order, chief knight of the Pope’s direct guard, member of the Ten Great Saints, and initially “eggshell of a hero” (hero candidate).
Although her original “hero’s egg” is lost, she later receives a light spirit from another and awakens once again as a true hero.
She is voiced by Manami Numakura in the anime adaptation.
Her body has a unique constitution that automatically decomposes and neutralizes magicules, granting effective immunity to any magic that relies on magicules rather than pure holy or divine power.
Skills
Hinata’s skills are tightly focused on precision, logic, and fighting above her weight class.
Her skill set evolves significantly over the course of the story.
Original Unique Skills:
Unique Skill: Mathematician (Kawaranu Mono)
This skill accelerates her thought processes and supports hyper‑rational decision‑making.
In battle, it constantly computes optimal solutions, allowing her to choose the best possible move in real time and to read and respond to enemy patterns with terrifying efficiency.
Unique Skill: Usurper (Koeru Mono) – later lost
This ability allows Hinata to steal power from opponents stronger than herself.
She can forcibly take abilities or power, and it includes a last‑resort application known as “Forced Usurpation,” which targets an enemy’s strength even when they are far above her.
Post–Book 11 Changes:
After naming Chloe Aubert as “Chronoa,” Hinata loses Usurper (Koeru Mono).
Her own hero’s egg fuses with Chloe’s hero’s egg and disappears as an independent factor from Hinata.
Later, during the great Tenma War, Honjou Masayuki’s authority summons Granbell Rosso back into the world.
Granbell entrusts Hinata with the True Longsword (Truth), the ultimate holy blade skill True Spirit Sovereign Slash (Truth Slash), and passes on the light spirit that marks the qualifications of a hero.
This causes her Unique Skill Mathematician (Kawaranu Mono) to evolve into the Ultimate Skill King of Fortune (Fortuna).
With this Ultimate Skill, Hinata gains near‑perfect future prediction, massively enhanced computation, and a suite of high‑tier functions like time‑space manipulation and multi‑dimensional barrier deployment.
Ultimate Skill: King of Fortune (Fortuna)
Representative components (as described in‑world) include:
Thought acceleration and extreme computation (greatly evolved from Mathematician)
All‑purpose perception and analysis of phenomena
Holy, king‑like aura (divine‑class intimidation/authority)
Time‑space manipulation
Multi‑dimensional barriers and “world‑layer” defenses
Broad insight into “all things” (Shinra Bansho‑type comprehension)
A vast internal calculation domain
Construction of virtual worlds for simulation and prediction
Her exact Extra Skills are not named, though it is strongly implied that she possesses several.
On top of her skills, her raw swordsmanship is “top tier,” comparable to the sword demon Hakurou.
Hinata is fundamentally a cool‑headed rationalist.
She puts logic and results above sentiment, which often makes her appear merciless and unfeeling.
She has no real psychological resistance to killing.
Having already killed her own father on Earth and later cutting down bandits and hostile humans or monsters without hesitation, she sees lethal force as a tool rather than a taboo.
Hinata herself describes this mentality as being “broken.”
Underneath that self‑assessment, she harbors deep scars from betrayal, family collapse, and religious fanaticism in her childhood.
Despite this, she has powerful charisma and leadership.
Her subordinates in the Holy Knight Order admire and trust her, viewing her as a reliable captain who protects them and takes responsibility.
She also has a surprisingly caring and “big sister” side.
Children are drawn to her, and she naturally falls into a guardian or mentor role when dealing with younger people.
After her reconciliation with Rimuru Tempest, her softer traits come to the surface more often.
She shows dry humor, exasperation at Rimuru’s lack of delicacy, and an almost tsukkomi‑like tendency to scold him when he goes overboard.
Hinata is a serious food lover once she discovers good cuisine in the new world.
She is especially fascinated by the Japanese dishes that Rimuru painstakingly recreates, and she is somewhat shocked and delighted by ramen, gyoza, and other delicacies introduced via the monster nation.
She dislikes wasabi, as humorously revealed during the opening festival of the monster nation.
Beneath her cold exterior, she gradually comes to rely emotionally on Rimuru, seeing in him a comforting echo of the father she wished she had.
Hinata was born into a middle‑class Japanese family and enjoyed a normal life for a time.
Her life collapsed when her father’s company went bankrupt, and his attempts to find a new job failed.
Under escalating financial pressure, he turned to gambling, failed disastrously, and saddled the family with huge debts.
He then began to lash out violently, turning into an abusive figure who made home a battleground.
At some point Hinata decided she could no longer tolerate the abuse.
She pushed her father off a cliff and killed him, carefully eliminating evidence so the incident never became a criminal case.
Her mother, devastated by her husband’s disappearance, fell into the grip of a dubious new religious cult.
Seeing her remaining parent consumed by fanaticism deepened Hinata’s mistrust of people and institutions.
This series of events hardened her, leaving her with a deep‑seated belief that people are unreliable and that she must rely on herself alone.
It also established her capacity for cold, decisive violence when she believes it necessary.
Hinata was transported to the fantasy world on the way home from her high school entrance ceremony.
The transition was accidental and not part of a controlled summoning.
Immediately after arriving, she was attacked by bandits.
The life‑or‑death encounter triggered the awakening of her abilities.
She killed the bandits in self‑defense and then continued to kill hostile humans and monsters she encountered, absorbing their power via Usurper.
For a while she wandered the world alone, surviving by cutting down threats without hesitation.
Her early days in the new world further reinforced her conviction that violence is inevitable and that she must remain strong and detached to survive.
This period of isolation ended when she encountered Shizue Izawa.
Hinata reached the Kingdom of Ingracia, where Shizue Izawa had become a teacher to summoned and transferred students from other worlds.
Shizue, recognizing Hinata as an aimless and wounded young otherworlder, took her in as one of her students.
Hinata rapidly absorbed Shizue’s techniques and knowledge.
Her talent and combat sense were so outstanding that she quickly surpassed Shizue in raw combat power.
Shizue felt a strong bond with Hinata, recognizing similarities in their backgrounds and suffering.
She tried to support Hinata emotionally as well as technically.
However, Hinata at that time could not bring herself to trust people.
After about a month, she left Shizue’s side, believing she needed to walk her own path to achieve her goals.
Deep down, she respected and cared about Shizue but could not express it then.
In Book 11, Hinata finally reunites with Shizue, where she apologizes and expresses her gratitude for everything Shizue did for her.
After leaving Shizue, Hinata wandered from country to country, acting on her own.
While staying in a small nation, she witnessed an attack by the demon lord Roy Valentin.
During the invasion, she saw the holy knights put their lives on the line, defending civilians with unwavering resolve.
Their self‑sacrificing courage deeply impressed her and gave her a new model of what strength could be used for.
Moved by their example, Hinata decided to become a holy knight herself.
She joined the holy knights associated with the faith of Luminous Valentine and began rising through the ranks.
With her extraordinary combat instinct and powerful skills, Hinata’s growth was meteoric.
She quickly made a name for herself, surpassing seasoned veterans and becoming a central figure in Ruberios’s military and religious establishment.
As Hinata rose, she learned disturbing truths about the Luminous faith and its political structure.
She discovered that Louis Valentin, the Pope of Ruberios, and the demon lord Roy Valentin were in fact brothers.
The church was maintaining a controlled cycle where a demon lord would be presented as a threat and the holy knights would defeat that threat to maintain their authority and influence.
To someone seeking genuine justice and peace, this “managed fear” enraged Hinata.
Driven by fury and a sense of betrayal, she stormed the innermost sanctuary known as the “Inner Sanctum,” where the so‑called god resided.
There she confronted and successfully executed both Louis and Roy, though she herself was gravely wounded in the process.
At the brink of death, the true Luminous Valentine appeared before her.
Luminous revealed herself as both the real demon lord and the very god the church worshipped.
Luminous chided Hinata, telling her not to die while still clinging to arrogant, simplistic ideas about justice and righteousness.
She saved Hinata’s life and offered her a new perspective on what it meant to protect humanity.
Hinata then faced the “Seven Days Trial,” a gauntlet of ordeals imposed by Luminous.
She passed through the trial but was defeated when Luminous fought her seriously at full power.
Even in defeat, Hinata’s resolve did not break.
Recognizing her unbowed determination, Luminous accepted Hinata as her “Right Hand,” the sword that would clear all obstacles for her.
Hinata chose to serve Luminous after confirming directly that Luminous had no intention of harming humanity out of malice.
From that point on, she became not only a holy knight but the personal agent and protector of Luminous, embodying the faith’s martial doctrine of “eradicating monsters.”
As captain of the Holy Knight Order, Hinata bears responsibility for the defense of the Holy Empire of Ruberios.
She also serves as the chief knight of the Pope’s personal guard, effectively making her the top combatant at the center of the faith.
Within the Western Holy Church, she is the practical leader, even if formal titles might rest elsewhere.
Her decisions and judgments shape doctrine in practice, especially concerning how monsters and other nations are regarded.
She is the “sacred sword” of the church, embodying its uncompromising stance toward monsters.
At the same time, her direct relationship with Luminous gives her a more nuanced understanding of the truth behind the religion than almost anyone else.
Cardinal Nikolaus Spertus, known as the Pope’s “hidden blade,” admires Hinata to the point of near‑worship.
He and many other church leaders see her as the ideal manifestation of their faith’s power and purity.
Hinata’s reputation spreads throughout the Western Nations as a peerless swordsman and strategic genius.
This status makes her a central figure in any conflict or diplomacy involving Ruberios.
While Hinata served as captain of the Holy Knight Order, news came of Shizue Izawa’s death.
By this time, the Eastern Empire had already tampered with intelligence about the event.
As a result, Hinata was led to believe that Rimuru Tempest had killed Shizue.
This false narrative painted Rimuru as her mentor’s murderer and set Hinata on a collision course with him.
At the same time, the Kingdom of Farmus was invading the Monster Nation (Tempest), seeking to crush Rimuru’s growing power.
Hinata decided to eliminate Rimuru herself as a way to neutralize a supposed threat and to support Farmus’s invasion indirectly.
She intercepted Rimuru as he was returning from Ingracia to the Monster Nation.
When Rimuru tried to explain the truth about Shizue’s death, Hinata refused to listen, her grief and anger overriding any willingness to hear him out.
Underestimating Rimuru, she was deceived by his use of a clone.
Believing she had slain the real Rimuru, she withdrew, convinced that she had avenged Shizue and removed a dangerous monster.
It is later revealed in an in‑universe spinoff story, “The Demon Lord and the Dragon’s Founding Story,” that if Hinata had actually killed Rimuru at that time, he would have revived years later in a way that plunged the world into chaos.
Her “success” would have triggered a far more catastrophic future.
After the first clash, Farmus’s invading army and the church’s templar forces march toward Tempest.
When regular reports from Reyheim, one of her trusted subordinates, suddenly cease, Hinata decides to personally head to the Monster Nation with her holy knights.
However, Luminous senses the awakening of Veldora Tempest, the Storm Dragon, and orders Hinata to remain to guard the Grand Cathedral.
Hinata reluctantly cancels her deployment, unaware of how much the situation is changing in Tempest.
Soon after, she learns that Rimuru has evolved into an awakened demon lord.
Upon returning, Luminous informs her that Rimuru Tempest has joined the Eight Star Demon Lords and is an ally of Veldora.
Around this time Hinata also notices suspicious behavior from the “Eastern merchant” who had originally provided her with information on Rimuru.
She pieces together that the data she received was deliberately falsified and that Rimuru was likely telling the truth from the beginning.
Realizing she had been deceived and that she almost unjustly killed someone who had done nothing wrong to Shizue, Hinata deeply regrets her actions.
Yet she must also consider her position as captain of the Holy Knight Order and the political implications of admitting fault.
A major council of the Ten Great Saints convenes to discuss whether to treat Tempest as an enemy.
With Reyheim’s report confirming that Rimuru has reached awakened demon lord status and is allied with Veldora, Hinata argues that reckless hostility would bring catastrophic damage no matter who wins.
Rimuru, anticipating their hesitation, sends a message expressing his desire for peace with Hinata and her people.
However, this message is once more altered by the masterminds behind the scenes, twisting it so that it appears Rimuru is challenging Hinata to a duel.
Despite harboring doubts, Hinata accepts the duel.
She sets out alone to face Rimuru Tempest, now a fully awakened demon lord.
In their second showdown, Rimuru’s new power level renders Hinata’s sword techniques and even Usurper ineffective.
She tries to rely on her polished martial skill and Mathematician’s predictive analysis, but Rimuru’s “Future Attack Prediction,” derived by analyzing her moves, surpasses her own capabilities.
Her subordinates are also defeated by Rimuru’s allies.
Cornered, Hinata proposes a final test: if Rimuru can withstand her ultimate attack, she will concede defeat.
Rimuru agrees, and Hinata unleashes Collapsed Magic Particle Slash (Melt Slash), a devastating holy sword technique.
Rimuru completely blocks it, demonstrating just how far beyond her he has grown.
Acknowledging her loss, Hinata accepts defeat.
In that moment, the hidden sabotage placed by the Seven Days elders on her holy sword activates, piercing her heart and killing her.
Luminous arrives and uses a powerful resurrection technique to bring Hinata back, revealing the treachery of the Seven Days.
Recognizing their unforgivable betrayal and manipulation, Luminous executes the Seven Days elders on the spot.
With the conspirators removed, Hinata and Rimuru are finally able to speak honestly.
Hinata apologizes for her earlier actions, Rimuru accepts the apology, and the two formally reconcile.
From then on, she and Rimuru maintain a friendly, if sometimes sarcastic, relationship.
She becomes one of the few humans who can speak to him on equal footing, occasionally chiding him while also quietly relying on his kindness.
Following the reconciliation, Hinata participates in the cultural exchange and diplomacy between Ruberios and the Monster Nation.
She acts as a bridge between the human church and the monster nation, helping prevent future misunderstandings.
During Tempest’s grand Founding Festival, she takes on the role of chaperone for Rimuru’s students from Ingracia.
She escorts the children around the festival, protecting them while also allowing them to enjoy the festivities.
At the festival, she discovers the culinary wonders of Tempest.
She is particularly astonished by the ramen and gyoza that Rimuru has introduced via trade with the Kingdom of Blumund.
Hinata gradually acquires a “gourmet” side, eagerly sampling new dishes and showing a clear weakness for good food.
The running gag of her being a bit of a foodie becomes more established as the story progresses.
At the same time, she begins to show more of her original warmth and brightness.
Although still stern and blunt, she smiles more easily and engages in more casual, human interactions with those around her.
Her interactions with Rimuru are especially notable.
She often acts exasperated by his lack of tact and his overenthusiastic attempts to recreate Japanese lifestyles and cuisine, yet his earnestness and kindness repeatedly touch her.
Emotionally, Hinata—who once killed her own father and lost faith in human relationships—feels her heart being healed by Rimuru’s presence.
She begins to see him as a substitute for the father she longed for, mixing respect, affection, and a complex sense of emotional dependence.
During the planning of cultural exchange between Ruberios and Tempest, the machinations of Granbell Rosso and Yuuki Kagurazaka throw the Western Nations into turmoil.
The Rosso family, secret rulers behind many Western powers, tries multiple schemes to topple Rimuru.
Because they underestimate Rimuru and his allies, their plots backfire one after another.
Key figures such as Mariabell Rosso and other high‑ranking members are defeated, rapidly weakening the Rosso family’s influence.
On the eve of an exchange conference, Granbell and his remaining followers launch a direct attack on Ruberios.
Hinata confronts Granbell in battle, discovering the overwhelming power of a fully awakened hero.
Granbell exposes Hinata’s inner darkness, claiming that because she killed someone close to her (her father), she cannot fully accept the light spirit and awaken as a true hero.
His words reopen her old wounds, shaking her composure and undermining her mental stability mid‑battle.
Hinata attempts to use “Forced Usurpation,” the ultimate application of her Usurper skill.
Granbell counters it, leaving her in a desperate, nearly hopeless situation.
When Granbell unleashes his finishing move, Collapsed Magic Particle Thrust (Melt Strike), he aims for Chloe Aubert.
Hinata moves to shield Chloe, taking the attack head‑on.
The blow pierces her chest and annihilates her soul.
Hinata appears to die completely, becoming nothing more than a memory to those who loved her.
Around the same time, Yuuki Kagurazaka destroys the holy casket in Ruberios, releasing the sealed, supposedly ultimate hero.
This event ties directly into Chloe’s true nature and the deeper time‑loop storyline.
The Time Loop and Fusion With Chloe
Although Hinata’s soul seems to have been erased, it actually survives as a self‑aware “program” within her Mathematician skill.
That remnant of consciousness fuses with Chloe Aubert, who is in fact the “Hero of Time.”
Chloe reveals that she has used her unique skill Time Travel (Toki no Tabibito) to loop the timeline multiple times.
In each loop, Hinata’s soul merges with Chloe’s, and the two share experiences across different time axes.
Every previous loop has ended in disaster.
Examples include: Rimuru dying and the Monster Nation being destroyed, or Veldora Tempest going berserk, forcing many sacrifices to stop him.
In the current timeline, however, things finally appear to be heading toward a “best‑case” route.
Hinata and Chloe travel together through time, experiencing events from meeting Luminous to meeting Shizue and the awakened hero, and eventually reaching the point where Chloe manifests as the “evil being” Chronoa and is sealed in Ruberios’s holy casket.
At the final stage, Hinata’s consciousness gains control of Chronoa’s body and willingly enters a long sleep inside the seal.
This is synchronized with the moment Hinata’s version of herself arrives from Earth into the world’s current timeline.
In the current timeline, after the crisis peaks, Rimuru and Luminous cooperate to save Hinata.
Rimuru, having gleaned the truth from a brief exchange with Luminous and the deep analysis of his own ultimate skill, decides to directly intervene in Chronoa’s soul.
Using the “Anti‑Magic Mask” that has been passed from Chronoa to Shizue to Rimuru, he gains access to the spiritual realm.
There, he enters Chronoa’s inner world, where Chloe and Hinata’s fused consciousness resides.
Leveraging his Ultimate Skill often translated as Raphael or “Sage of Wisdom,” he manipulates informational particles to extract Hinata’s soul from the prison known as “Infinite Prison.”
This delicate operation frees Hinata’s soul from Chloe/Chronoa’s time‑loop entanglement.
Meanwhile, Luminous uses her newly gained Ultimate Skill King of Lust (Naphula) to restore and repair Hinata’s original body in the real world.
Once the body is repaired, Rimuru and Luminous work together to anchor Hinata’s soul to her original body once more.
The process succeeds, and Hinata is resurrected, returning to life with her memories and identity intact.
Simultaneously, Chloe absorbs Hinata’s hero’s egg and fuses it with her own, allowing Chloe to fully awaken as a true hero.
After this miracle of resurrection and awakening, Hinata steps back from the front lines for a time.
While the Monster Nation engages in war with the Eastern Empire, she has relatively few on‑stage appearances, but her existence remains crucial in the background.
With the onset of the new Tenma War—an immense conflict between heavenly and demonic forces—Hinata finally returns to major action alongside Rimuru and his allies.
During this war, Honjou Masayuki’s unique authority summons Granbell Rosso from beyond death, leading to an unexpected reunion.
Granbell, now free from his previous role and machinations, entrusts Hinata with several crucial legacies.
He gives her the True Longsword (Truth), an ultra‑holy weapon, and bequeaths the supreme holy sword technique True Spirit Sovereign Slash (Truth Slash).
More importantly, Granbell passes on the light spirit that had conferred hero qualifications upon him.
By inheriting this light spirit, Hinata regains—and in some ways surpasses—her previous status as a hero.
The influx of new heroic power triggers a metamorphosis in Hinata’s skill set.
Her Unique Skill Mathematician evolves into the Ultimate Skill King of Fortune (Fortuna).
With King of Fortune, Hinata acquires near‑perfect future prediction.
She can simulate and foresee outcomes with such precision that, in battle, she borders on unbeatable in terms of strategy and timing.
Combined with her restored hero’s power, saintly body, and unparalleled swordsmanship, Hinata becomes one of the most formidable human heroes in existence.
She stands alongside Rimuru, Chloe Aubert, and other top‑tier beings as a key defender of the world against world‑ending threats.
In this new phase of her life, Hinata fights not merely as the Right Hand of God or the blade of a church.
She fights as a fully realized hero, a woman who has confronted her own darkness, survived death and time, and chosen to protect the future she once thought unreachable.
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