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    Nagi Soma 
Summoned to the New World with the rest of his class when their bus was transported there.
First day in the New World

  • Above the Influence: While he's well aware that his slave harem wants to bear his children, he keeps everything G-rated because he doesn't want his children to suffer in a bad environment, unlike his own parents who abandoned him.
  • Accidental Marriage: Played completely straight with Cecil. When he was asking for passage to Metcal aboard Rita's carriage (Rita being a high-ranking member of a human-supremacist cult at the time), he called Cecil his wife to avoid complications. He was unaware that making such a declaration as the master of a master/slave contract makes it automatically true.
  • Accidental Pervert: Invoked. While Reginablus was trying to Mind Rape him, she kept twisting the laws of causality to have Nagi wind up in compromising positions with any woman who got too close, even ripping of Rita's dress at one point.
  • Achievements in Ignorance: Though his only intention at the time was rescuing Rita from the Leviathan, by defeating the Leviathan, he proved himself the ideal candidate to "marry" Iris and gain the blessings of the Sea Dragon God.
  • Adaptational Intelligence: While he is actually pretty smart in the original material, in the manga, he's even smarter. When the Kijin mercenary shows up, promising intel to Nagi's group for her own amusement, he happily accepts her offer, but specifies that he fully expects whatever intel she's sharing is likely to be a trap. The Kijin is duly impressed by Nagi's "Trust but Verify" approach.
  • Adaptation Personality Change: He is more perverted in the manga than the light novel.
  • Because Destiny Says So: The primary reason he's given for being saddled with a slave harem. Even seeking out and buying Cecil was at the behest of a powerful spirit entity that pretty much said this word for word to both Cecil and himself.
  • Affectionate Gesture to the Head: Nagi's favorite, and absolutely non-sexual, form of affection is patting his harem, particularly Cecil and Rita, on the head, and they love it!
  • Berserk Button: Over-entitled "nobles" who abuse their subordinates set him off almost immediately. When he learned that the Iturna cult not only refused to properly give Rita the money so she could pay him the reward he rightly earned by rescuing her and her subordinates from the Leviathan, at great risk to his life, but fired her for complaining about it, he was this close to using his Master/Slave authority to have Cecil blow up the fully occupied office where it happened.
    • It happens again when he witnesses a noble use her slaves as cannon fodder to investigate a dangerous ruin. This time, he uses contract magic to force her to treat her subordinates fairly.... and inflict her with bed-wetting terror if she ever considers visiting that particular ruin again.
    • The third time it occurs, the nobles involved provoked and awakened a hydra by trying to destroy a set of ruins they couldn't personally conquer, purely to deny anyone else the opportunity, and led said hydra to town, purely to use the locals as cannon fodder to cover their escape. Nagi responds by giving Cecil the magic under her Living Lie Detector entry and forcing them to confess their crimes... upon threat of death if they tried to lie their way out of trouble.
    • In general, people abusing their authority and treating their subordinates like crap pisses him off beyond measure, and if he has the means, he will give them a large taste of their own medicine and force it down their throats until they choke on it.
  • The Call Knows Where You Live: The call is quite schizophrenic with him. It can't decide if it wants him or not, but always reminds him that it knows where he lives.
  • Casual Kink: Parodied. In the manga, he claims Cecil's slave choker is simply some S&M gear, as part of claiming Cecil to be his wife. This comes back to bite him when Rita realizes the slave choker is the real thing...
  • Chekhov's Skill: To the point of recurrence. If he comes across a skill in the story, it will be plot relevant. No exceptions. In addition, all the "black jobs" he did back on Earth have given him numerous skills that serve him quite well in this New World.
  • Charged Attack: His "Delayed Fighting" sword skill. It works by storing up the energy of every time his sword hits something, and then releasing it all at once. Until he acquired Reggi, his swords weren't likely to survive the strain.
  • Chronic Hero Syndrome: He just can not turn his back on seeing someone suffer, period. If he has the means to help them, he will. This does have limits though. If he stumbles upon an arrogant, entitled noble who antagonized him, abused his subordinates, or endangered the general populace by provoking monsters way above his class, and then dragging said monsters to town while trying to escape, Nagi has no qualms about letting the fool suffer his righteous retribution.
    • He also will not lift a finger to help any former classmate who gets him or herself in trouble by making poor decisions, especially if those poor decisions antagonize him in some way. He leaves them to their fate because A.) they've got their own "cheat" skills, and B.) they knew, or should have known, better but ignored their better natures in favor of "heroic" delusions, or short-term gain. Nagi feels neither the motivation nor obligation to help them in any way, and none of them ever ask either.
  • Dark and Troubled Past: In addition to his parents abandoning him and leaving him to his own devices (as a preteen), he's been dragged off, against his will, to numerous "part-time jobs" where he's often underpaid, or not paid at all. In addition, said jobs, in violation of the law, would deny sick days, give him duties and responsibilities way above his pay-grade, and routinely force him to do things outside his contract if he showed even the tiniest talent at them, without increasing his pay in the slightest. If he so much as suggested filing a formal complaint, he'd be shuffled off to another company to do the same thing while the investigating agencies would be told he "quit" or "was fired for cause" causing any investigations to be started over, or dropped entirely. Small wonder he has "trust issues."
  • Dangerous Forbidden Technique: When his "restructure" skill reaches Level 3, it generates a sub-skill "Rapid restructuring." This sub-skill specifically mentions that it should only be used in emergencies as any skills modified in this manner become highly unstable very quickly and have to be manually stabilized before they collapse, and cease to exist. The more often this is done, the quicker the destabilization happens.
  • Healing Shiv: One of his skills involve healing people with any sword or knife.
  • Heart Is an Awesome Power: His "reconstruct" skill is rather worthless at face value. When used upon his slaves, it brings out the whole "Awesome" spectrum, and goes Beyond the Impossible as it destabilizes or reshapes "locked" skills that nobody else can tamper with.
  • Heroes Prefer Swords: Aside from a handful of skills, one of which he needs to be able to communicate, his entire skill-set is sword based.
  • Ideal Hero: Amazingly! He's gentle, kind, trustworthy, honest, hard-working (though he often tries to claim otherwise), and while he doesn't outright refuse rewards, he always under-values himself. His slave harem has nothing to fear from him. He does bear grudges against entitled nobles, however, and demands to be compensated in cash if he has to rescue them.
  • I'm Not a Hero, I'm...: He never responds well to being called or offered the "hero" title and refuses it strongly. Ironically, this is precisely what makes him an Ideal Hero.
  • Interspecies Romance: He doesn't care if his waifus are human or not, he loves them based on their character, not their race.
  • It Only Works Once: While absent from the manga adaptation, in the lightnovel, it is explicitly mentioned that his "restructure skill" can only be used on a particular skill once. Fortunately, Nagi can still experiment by tinkering with other copies of a skill that catches his eye.
  • Laborious Laziness: His stated primary goal is to "never have to work again." In pursuit of this goal, he works very, very hard. If called out on this contradiction, he responds that it's okay to work hard on a "hobby."
  • The Leader: Combines type II and IV. He rules through The Power of Trust and The Power of Love. His waifus want to be with him because they know he trusts and treasures them, and they never, ever want to betray that. In fact, he almost never has to use his master/slave authority. Of the few times he did, Cecil actually demanded it once, due to certain circumstances that had her rightly afraid of her own nature.
  • Loophole Abuse: Uses "Smite Building" to push an occupied carriage out of the danger zone of Cecil's spell by telling himself that a carriage is a piece of architecture.
  • Made a Slave: In all but name ON EARTH. He was dragged into numerous "part time jobs" on Earth against his will. If he so much as suggested complaining about his working conditions, and treatment, he'd be "fired" or "reported as quitting" and simply shipped off to another company to be treated the exact same way. Often underpaid, or not paid at all.
  • Mundane Made Awesome: His special skill in a nutshell. When he takes two seemingly mundane skills and reorganizes them, both skills become awesome in description and application. Some of the more common combinations as follows:
  • Necessary Drawback: The more awesome the skills he creates are, the bigger the drawbacks. Some of them only last seconds and can only be used once a day.
  • No-Sell: Weaponized. His "Sword Water" skill allows him to negate incoming attacks with his sword. When combined with "Delayed Fighting" as listed above...
  • Only Sane Man: He was the only one of his class-mates to question the king's motives and refuse to sign the contract. Which means he was the only one of them that didn't end up getting sold as a slave.
  • Parental Abandonment: His parents are listed as officially abandoning him and leaving the country of Japan.
  • Phlebotinum Battery: He is one, especially for Cecil, as he has a larger mana pool than he will ever need.
  • Properly Paranoid: His fears concerning being exploited prove true. He was also correct to be concerned about King Nadla's "contract offer."
  • Stock Light-Novel Hero: While not exactly a Godlike Gamer, he does have a history of creating and running an ORPG, for fun, which serves him well, and although he's also a slave owner in this new world, it's an Unwanted Harem as all the slaves are pretty much forced unto him by circumstances beyond his control. Otherwise, he completely ticks off the checklist.
  • Thanks for the Mammary: Manga only. While riding in the carriage with Rita, a sudden stop causes him to crash into her, with his hand on one of her breasts. Rita doesn't like it for obvious reasons, and it makes Cecil... self-conscious.
  • Three-Way Sex: Invoked and Justified. Though it's still R-15 as opposed to X rated, "Restructure Level 2" allows him to work on two of his waifus at once. This requires some very "intimate" contact...
  • Trapped in Another World: He was highly suspicious of King Nadla's offer to "contract" him a return home upon him and his class defeating the demon king. While his suspicions are ultimately proven correct, it leaves him without a ready method to go back... which is just fine by him.
  • Translator Microbes: One of the skills he got as compensation for being summoned is the ability to read, write, understand, and speak the local language. Ancient languages are a different skill.
  • Tsundere: He makes up all sorts of silly excuses to try and hide his Chronic Hero Syndrome, so Cecil calls him one as a direct result.
  • The Unchosen One: He pointedly refuses any and all offers to "become a hero and save the world," looking instead to live life as quietly, simply, and easily as possible. The fact that he has to spend enormous effort avoiding being dragged into the role of The Chosen One really, really irks him.
  • Unwanted Harem: He only sought out and bought Cecil Pharot. He winds up with an entire harem due to circumstances beyond his control. The girls all know he treasures them, regardless.
  • Unwitting Instigator of Doom: In rescuing Kathrus, disabling the "haunted" armor that was harassing her summoned all the angry ghosts of the people said armor had already slain. While they did focus on the actual culprit who bound them to said armor, their existence kept summoning more and more undead who didn't exactly discriminate between innocent and guilty...
  • We Can Not Go On Without You: Presumably, if he dies, so does his slave harem.

The Waifus. Warning: Contains spoilers.

    In General 
  • All Women Are Lustful: None of them bothers to hide the fact that they would all love it if the sex was X-rated, rather than the R-15 that comes from the orgasmic side-effect of Nagi's "Skill editing" ability.
  • Battle Harem: For Nagi.
  • Dark and Troubled Past: All of them have tragic backstories.
  • Freedom from Choice: They are perfectly content with letting Nagi make all the decisions. Under Nagi, they live in comfort and relative luxury. On their own devices? Their lives sucked.
  • Happiness in Slavery: All the girls are with him because they want to be. Some have even resisted being freed.
  • Made a Slave: All of them.
  • Property of Love: Several of them have openly demanded to be his slave. All of them insist on calling him "husband" because they are.
  • Weak, but Skilled: Invoked. Their levels are quite low for the world they find themselves in, but because of the "cheat" skills Nagi tailors for them, each and every one of them is a One-Woman Army.

    Cecil Pharot
Meet Cecil on the day she's bought.
Nagi's first slave, and the only one he actively sought out.
  • A-Cup Angst: Manga only. When the party meets Rita, Cecil feels quite self-conscious regarding their respective chest sizes. Cecil is unaware that Nagi likes her "flat chest" best of all the harem...
  • Adaptation Personality Change: In the manga, she occasionally shows slasher smiles, and tranquil fury, for relatively minor slights and annoyances. In the original novel, she only gets angry when Nagi's well being is threatened, in which case, subtlety is not even in her vocabulary.
  • Aesop Amnesia: Despite seeing first hand how Nagi's paranoia regarding the New World is perfectly justified when the slave shop that sold her to him, and the skill shop that appraised his freshly minted "sweep monster" skill tried to kidnap them both in the middle of the night, she still recommends Nagi join the adventurer guild caravan, and audition himself to the guild that way, rather than head towards the Iturna cult caravan. Fortunately, she only makes this kind of mistake once.
  • Antimagic: One of the skills Nagi fashions for her, in preparation for dealing with golems the party expects to encounter, allows her to fire magic-draining arrows. Unfortunately, the mp that's stolen only dissipates into the air, she doesn't actually absorb it.
  • Aren't You Going to Ravish Me?: Manga only. When Nagi takes her to the local inn, so they can rest for the night, the first thing she does is strip and offer herself up, sexually. She's somewhat crestfallen when he turns her down... Though he does decide to modify her skills instead. Also in the manga, when she and Nagi are hiding in a warehouse from the slaver and skill merchant that are trying to kidnap them, she tries to "push him down" and is rather pouty that he pushes her off, though it's because the merchants were closing in and trying to smash their way into the room, again... She punishes said merchants by interpreting Nagi's request for a light spell, as a request to shine a light in their eyes, with a magnitude on par with the surface of the sun.
  • Awesome by Analysis: She's usually the first to be able to figure out what Nagi's trying to do without having it explained to her. In the manga, she immediately realized the true value of the "sweep monster" skill, while the slave merchant had to have it explained to him.
  • Commonality Connection: She's able to bond with Nagi almost instantly because their backgrounds are eerily similar.
  • Difficult, but Awesome: Her ancient language chanting. In order to make her spells more powerful, she has to chant longer, and use more of her mana.
  • Does Not Like Shoes: In the manga, she insists on going barefoot, as the more exposed skin she has, the better she absorbs mana to fuel her magic. Nagi, is resigned to it.
  • Doomed Hometown: Her home village was dragged into and wiped out in a war between humans.
  • Eternal Love: She and Nagi eventually swear an oath to always be together, even after death and reincarnation. A magic ritual literally bound their souls together to make it true.
  • First Girl Wins: And she knows it.
  • Idiot Hair: As can be seen in the page image, especially in the manga, she's illustrated with one lock that stands straight up into the air for no reason whatsoever.
  • Intimate Healing: When Cecil came down with some unspecified illness that left her so feverish, her body temperature burned Nagi's hand on touch, and none of Iris's healers could do anything about it, Nagi's only option was to use the ritual of Eternal Love binding his soul and hers together for all eternity. This ritual involves some very erotic acts.
  • I Warned You: When the slave and skill merchants broke into the inn and smashed their way into Nagi's room, he punched his way through a wall, in order to escape. Cecil warned the merchants, and their mooks, that Nagi would punch a hole in them if they continued to pursue. They continued to pursue, at which point, Nagi hit some of them with a building. Nagi repeats the warning. When they insist on trying to capture him anyway, Nagi asks Cecil for the weakest spell in her arsenal, a light spell, to avoid collateral damage. She obliges by using a light spell with a magnitude on par with the surface of the sun. Just for kicks.
  • Last of Her Kind: Her people were wiped out, without exception. She only survived because she was disguised as a "Dark Elf."
  • Lethal Harmless Powers: Her one and only "non-combat" spell is a light spell that, thanks to Nagi, she can turn up to a power level on par with the surface of the sun, and on a later date uses to utterly annihilate a large swarm of undead.
  • Light 'em Up: Of the few spells she can cast, one of them is a light-based spell.
  • Living Lie Detector: By proxy. Nagi eventually gives her a magic skill that allows her to summon an earthen cage around anyone she wishes to question. If that person opts to lie, the cage, and the ground under it, will become more and more belligerent until that person either tells the truth or gets Swallowed Whole and Buried Alive, with no means of rescue...Brr..
  • Magnetic Girlfriend: Both figuratively and literally. Her very existence as Nagi's slave attracted several other haremettes. She even summoned Reggy to him.
  • Nice Girl: Sweet, adorable, and very eager to please. In fact, she's so nice, she only wants to punch the people who wiped out her village in the face, if she ever meets them, not hunt them down and exterminate their homes.
  • Older Than They Look: Although she looks like a child, she is actually 14 or 15 years old, an adult in the setting.
  • Only You Can Repopulate My Race: In order for a "demon" like her to bear the children of another race, she would have to have her soul and his "resonate." It's so rare as to be considered mythical among her people. Then she met Nagi...
  • Our Demons Are Different: She's of the "demon" race, but there is nothing that would indicate this to anyone that doesn't know beforehand.
  • Our Souls Are Different: During the ritual where Nagi and she profess their Eternal Love, her soul comes out of her body, and it's a glowing miniature of herself.
  • Person of Mass Destruction: The author describes her as a strategic weapon, and states that it scares him. Not bad for a slave sold as "not good for combat" huh?
  • Playing with Fire: Her primary spell choices involve around fire.
  • Red Eyes, Take Warning: Color illustrations have her eyes as blood red, and she's a strategic weapon, as described by the author.
  • Relationship Upgrade: By the time of the light novel's chapter 38, she and Nagi are officially engaged, for all eternity, even beyond death and reincarnation.
  • Sempai/Kohai: She's the sempai to all the later slaves in Nagi's harem.
  • Serial Escalation: For the first few chapters, she would increase her selling price (her debt to Nagi) if she felt her position as Top Wife was threatened.
  • Sleep Cute: Oh the manga has her illustrated as sleep adorable when sharing a bed (fully clothed) with Nagi.
  • Tears of Joy: Especially in the manga. She spent years in the slave auction, being passed from town to town because nobody wanted her, then Ashtarte, the combined collective of passed on demon souls, guides Nagi to her, and instructs him to buy her on their behalf. When he complies, the page image is the result.
  • Top Wife: She is Nagi's number one slave, though she has serious competition.
  • Trapped in Another World: Manga only. While she was born and raised in the New World Nagi finds himself in as part of the lightnovel storyline, in the manga, her entire race was somehow brought to this New World, and she's the lone survivor.
  • Your Normal Is Our Taboo: On two fronts. First, as slaves are considered property, Nagi couldn't have her sleep in a separate room when he went to the inn. Second, when he offered her freedom, she was insulted and dismayed, thinking Nagi was throwing her away.

    Rita Melpheus
Her best establishing character moment.
No! Don't look!
Nagi's second slave. A fate she forced upon herself.
  • Abomination Accusation Attack: Her descriptions of Nagi were quite unkind when they met. She's since learned better.
  • Absurdly Sharp Blade: When Nagi unlocks her skills again, and boosts her power by subverting the "lock" skill Argis placed on her, she gains the ability to make her hands and feet as sharper than swords, showcasing this by slicing a giant bat in half, barehanded.
  • Accidental Marriage: Combined with Achievements in Ignorance. While it takes Cecil two rituals to swear her Eternal Love to Nagi, Rita manages to pull it off, completely by accident, and she wasn't even trying at the time.
  • Adult Fear: The manga shows how her parents abandoned her. She wasn't taken to an orphanage, or left by the side of a road near a city. In the forest, her whole tribe went to sleep, including her. When she woke the following morning, everyone was long gone.
  • All for Nothing: She claws her way up to being a high-priest in the Iturna cult, hoping to overcome the racism of both her parents and the humans. She is treated only as a trophy and discarded the moment any trouble happens. Trouble brought about by her "noble" subordinates completely ignoring her orders, no less.
  • Barefisted Monk: Her skills are optimal for this build. Especially once Nagi gets to work on her.
  • Be Careful What You Wish For: She physically forces her "contract" crystal and Nagi's together, promising to become his slave if she can't pay the reward for Nagi coming to her rescue, and the rescue of her subordinates, at a price that's a major bargain at that. Her superior later refuses to recompense her...
  • Because You Were Nice to Me: She falls for Nagi, hard, because he rescues her from a truly abhorrent situation that she placed herself in, and did so without demanding anything in return.
  • Boomerang Bigot: What she first appears to be. Working for the Iturna cult, and hiding her beast-kin traits makes her look like a human supremacist, but in fact, by climbing the ranks to High-priest, and going for Pope, she was actually trying to overcome it. Unfortunately, thanks to Deputy Bishop Argis, it was All for Nothing.
  • Combat Stilettos: In the manga, she is illustrated wearing high-heels as part of her priestly garb. Does this stop her from kicking ass in any way? Hell no!
  • Cute Little Fang: Once she stops hiding her beast-man traits, she starts sporting a marked incisor on the right side of her mouth (as seen in the second page image), and everyone finds it adorable.
  • Cuteness Proximity: She fell in love with Cecil almost immediately after laying eyes upon her because she found the latter extremely cute, constantly snuggling Cecil during the entire carriage ride.
  • Dark Shepherd: Manga only. In the light-novel version, Rita destroys the amnesia artifact accidentally, since it was a cane which Argis tried to use to block the blow she sent his way. In the manga, as Rita seeks out to destroy the artifact deliberately, and behind Nagi's back, she dons official cult knight gear and scares Argis straight with Iturna teaching and the terror that "The Nine Apocalypse" are watching all his misdeeds, starting by saying the church made a mistake in giving him any authority.
  • Eternal Love: Like Cecil, she eventually swears to be together with Nagi for all eternity, even after death and reincarnation.
  • Exact Words: Combined with Loophole Abuse. When she and Cecil bet over who gets to wash Nagi's back for a week, and Cecil wins, Rita gracefully accepts the loss because she'll be washing Nagi's front. note 
  • Expy: She has many, many similarities to Tsukiumi from Sekirei.
  • Fragile Speedster: Combined with Lightning Bruiser. She's fast, hits hard, but has little in the way of defense. If she's countered, she tends to go down pretty fast. She was able to fight Leviathan to a standstill due to being easily able to evade its tendrils, and even when it did hit, being immune to its paralysis and venom, because the tendrils themselves don't actually do that much damage. (She's illustrated with a slight cut after protecting Nagi from a tendril backstab with her own body.) As a Bare-Fisted Monk, this works just fine for her.
  • Freakiness Shame: Especially in the manga. She finds her beast-man traits even more embarrassing than public nudity. The fact that Nagi and Cecil, but especially Nagi, find them charming makes her really fall for him, and she learns to stop hiding them.
  • Friend to All Children: Which she lampshades in the manga. She finds all children, regardless of race, adorable and if she had her way, she'd be snuggling them like crazy.
  • The Gadfly: Especially prominent in the manga. Once she realizes Nagi is not the kind of depraved pervert she thought he was, she begins flirting by teasing, prodding, and provoking him, just to get a reaction... and she's adorable.
  • Good Shepherd: What she used to be as the high priest, until Deputy Bishop Argis fired her, and she found herself enslaved to Nagi as a direct result.
  • Hair of Gold, Heart of Gold: Golden haired blonde, and a wonderful woman... if you can get past her bad impression of you.
  • Half-Human Hybrid: While she is technically a beast-kin, the fact that she can use holy magic indicates that she has human blood in her family tree somewhere.
  • Holy Hand Grenade: Her powers and skills all contain a "divine" component. This does extra damage to all kinds of undead.
  • Hot-Blooded: She tends to act first, think second. She's greatly relieved letting Nagi make the decisions in her life because he usually keeps her impulsiveness in check.
  • Kicking Ass in All Her Finery: Her high-priest outfit is very, very Simple, yet Opulent. Doesn't slow her down in the slightest.
  • Kick the Son of a Bitch: Literally. After being fired from the Iturna cult, before the contract magic makes her Nagi's slave, she gives a Literal Ass-Kicking to Bishop Argis and her former "noble" subordinates for slandering her and their heresy against Iturna's actual teachings.
  • Little Bit Beastly: She's hiding it from the human supremacist church she works for, but she's a beast-man.
  • Logical Weakness: Her "Barrier Break" skill requires that she both see and recognize something as a barrier before it will work.
  • My Species Doth Protest Too Much: She was thrown out of her home by her parents for displaying human-only traits. This means that the demi-humans are just as racist as humans are, if not more so.
  • No Good Deed Goes Unpunished: Zigzagged. In the lightnovel, Nagi goes to rescue her on his own initiative. In the manga, he goes because of the fact that Rita showed her true worth by coming to the aid of a terminally ill dark-elf boy, saving his life. In both continuities, however, had she let Nagi rescue her alone from the Leviathan, he would have happily done it for free. Because her inherent virtue would not let her abandon her "noble" subordinates, despite the fact that they openly treated her like dirt, and provoked the Leviathan in the first place by snubbing the mayor of the local village and setting up camp in the lake where the Leviathan lived, Nagi demands recompense, though still at a bargain of 25% of the regular going price. Her superior not only later refuses to properly authorize the expense, and berates her instead, but she winds up being enslaved.
  • No-Sell: The primary reason she did so well against the Leviathan is that her divine abilities make her immune to the Leviathan's most dangerous ability, its tentacles' paralytic venom.
  • Orphan's Ordeal: Due to parental abandonment, she was treated as an orphan by the Iturnia cult. Her life in the cult has not been kind... And the manga goes on to elaborate that she was one of the lucky ones.
  • One-Woman Army: On her introduction, she fought a Leviathan to a standstill, until Nagi came along to rescue her. A Leviathan requires 6 lvl 15 adventurers to fight. She was introduced as level 3.
  • Our Souls Are Different: When she swears Eternal Love, her soul manifests as a small, golden wolf that fits in Nagi's hand. She gains the power of Voluntary Shapeshifting afterwards.
  • Parental Abandonment: Her parents abandoned her for "being too human."
  • Pride Before a Fall: She was quite dismissive of Nagi when they met. It comes back to bite her, twice. (First, she gets attacked by the Leviathan, then winds up becoming Nagi's slave.)
  • Red Eyes, Take Warning: Her eyes are the color of sakura petals, and she's got quite a temper.
  • Shapeshifting Excludes Clothing: She has to strip herself naked to use her beast form, or she'd shred her clothes.
  • Sleep Cute: Combined with Bedmate Reveal. In the manga, Nagi wakes up to see her wrapped around Cecil like Cecil's her body pillow, and the both of them are happy as peas in a pod, despite initially insisting that she would sleep on the couch.
  • Sustained Misunderstanding: Invoked. Because Cecil felt her position as Top Wife threatened by Rita's arrival in the story, she made a lot of statements that lead Rita to the wrong conclusion about a great many things. The fact that Rita had a poor impression of Nagi at the time prevented him from defending himself as Rita didn't want to hear it.
  • Tsundere: 50% Tsun, 50% Dere.
  • Voluntary Shapeshifting: She eventually gains the ability to take on the form of a golden-furred wolf once a day.
  • What You Are in the Dark: Quite literally. When Nagi rescued her and her subordinates from the Leviathan, it was the dead of night, and her subordinates had abandoned her to the Leviathan, fleeing, except that the Leviathan had paralyzed them and eaten their carriage's horses. She could have easily fled with Nagi and let them be eaten, later honestly claiming that she was powerless to stop the monster. Instead, she fought to the last and would not abandon them. They testified against her when she asked Bishop Argis for the money to pay Nagi's reward.
  • You're Cute When You're Angry: Which Nagi lampshades in chapter 39 of the light novel.
  • You Are Worth Hell: When her corrupt superior tried to buy her from Nagi, to exploit her mercilessly, Nagi set her selling price at 2 billion silver coins.

    Aine Curukut
Sleep? What's that?
The third slave in Nagi's harem, introduced as the guild master of the "Commoner's Adventurer's Guild" in the town of Metcal.
  • Aggressive Negotiations: When she's got the "noble" who abused both an amnesia artifact and contract magic to steal her guild from her at her mercy, she makes clear that if said "noble" doesn't agree to Nagi's terms using contract magic, she will use her abilities to kill him.
  • Benevolent Boss: As the head of the commoner's guild.
  • Big Sister Instinct: Lampshaded and often discussed. She has a very strong "big sister" personality and projects her protective instincts onto Nagi.
  • But Thou Must!: Nagi's forced to take her as his slave by by being added to the reward Nagi had already agreed to via "contract" magic with Leticia, no matter how much he objected.
  • Casual Kink: Her long, long history of being an Extreme Doormat has made her extremely masochistic, and she doesn't hesitate to say so.
  • Deceased Parents Are the Best: She remembers her parents as good and loving people who died of illness.
  • Desperately Seeking A Purpose In Life: Briefly. In the aftermath of losing her guild and getting her memories back, thanks to Nagi, all she can say is "what am I supposed to do now?" Which is the primary reason Leticia enslaves her and then forcefully adds her to Nagi's reward.
  • Evil Uncle: She has one. The bastard not only openly embezzled funds from the Commoner's Adventurer's Guild, he refused to back her up when the commoner adventurers made unreasonable demands of her, provided bribes and kickbacks to the Noble's Guild, and on top of it all, forced Aine to work 22 hours a day, and led her to believe this is all normal to be a competent Guild Master. Leticia, Nagi, and the rest are shocked and enraged when they found out.
  • Extreme Doormat: Prior to becoming Nagi's slave, at Leticia's insistence, Leticia was the only person alive who didn't try to abuse or exploit her. In fact, Leticia forces Nagi to take her in because she's so accustomed to being trod underfoot that left to her own devices, she would completely self-destruct.
  • Incest Subtext: When she thought Nagi was her brother (as a result of having her memories altered), she insisted on trying to force him to bathe her, and what's worse, she whipped out her contract crystal, insisting that he enslave her so he could do anything he wanted with her and her body...
  • The Insomniac: In the aftermath of having her guild stolen away, as Nagi is trying to help her get her memories back in order, he finds out, to his utter horror, that the woman worked 22 hours a day and her response to the question "when do you sleep?" is "sleep? What's that?"
  • Laser-Guided Amnesia: On both ends. A magical artifact was used to steal her memories so she'd be easily manipulated into "contracting" her guild away to the local arrogant noble and his corrupt church accomplice. Nagi would give her the power to return the favor by altering and installing a skill that lets her do it any time she wants with any cleaning tool.
  • Lethal Harmless Powers: You wouldn't think being able to summon and enlarge a puddle of dirty water would be that big a deal, until you realize that said puddle is sucking all the moisture out of your body, killing you.
  • Ninja Maid: Her role in Nagi's harem.
  • Parental Abandonment: The moment things got tough in Metcal, her Evil Uncle abandoned her and left her to the "mercy" of the local corrupt aristocrats and Bishop Argis.
  • Punched Across the Room: One of her specially created skills. Ironically, the same skill Nagi once traded to purchase Cecil. Using any cleaning tool, she can "sweep" monsters goblin level or below away over a great distance. If a wall happens to be in the monster's path... splat. When combined with Raffi's "familiar"... it gives her Bottomless Magazines.
  • Required Secondary Powers: When she's creating and enlarging puddles of dirty water, the puddle doesn't affect her at all.
  • Workaholic: As the guild leader, she worked herself to the bone, and loved it, addicted to the euphoric feeling of her adventurer members telling her how good a job she did. When that was taken away, she insisted on being Nagi's slave to do the work so he and the rest of the harem can slack off. Nagi... has problems with it.
  • You Remind Me of X: Nagi reminds her of her younger brother who died at age 6. She even confuses Nagi with her brother when her memories are altered by Bishop Argis.

    Reginablus "Reggy"
Don't resist your desires! Sex up those girls!
A demonic sword summoned over 100 years before the story began that sealed itself away in the Metcal dungeon, until someone she considers "worthy" shows up.
  • Black Eyes of Evil: When she first manifests her humanoid form, her eyes are solid black.
  • Dark Is Evil: She's evil, and her sword is so dark, it looks like it will eat all the light around.
  • Did Not See That Coming: Justified. She agrees to let Nagi enslave her because he's not the first to use the slavery system in the attempt to subvert her Mind Rape powers, which she long ago discovered could actually usurp the slavery system, meaning she would still be in control. Unfortunately for her, agreeing to be Nagi's slave allowed him to tamper with her skills...
  • Double Standard: Rape, Sci-Fi: On the receiving end. Possibly even going as far as Karmic Rape. She clearly acts as if she's undergoing a rape experience when Nagi modifies her skills against her will, to defend himself from her Mind Rape powers. In his defense, not only was his mind being tampered with, and he had no other options, but she has a long, long and unrepentant history of engaging in Mind Rape upon her hosts to force them to engage in actual rape, which she openly states was her intention upon choosing Nagi to be her most recent host.
  • Even Evil Has Standards: She's clearly not a good person, even after a great deal of Character Development. But when she heard Rafiria's backstory, she was enraged beyond reason. The only reason she didn't demand her master Nagi do something about it is because the perpetrators were long dead.
    • She may have no issues with rape, even controlling Nagi's body when she was introduced and trying to force him to rape all the women he was travelling with, but she clearly draws the line at kidnapping and Human Sacrifice. She insisted on coming to Iris's rescue when ghosts and a haunted "suit of armor" grabbed her from a graveyard where she was visiting her mother's grave to drag her off for use as Human Resources.
  • Evil Redhead: She's a devil, a raging pervert, and doesn't see anything wrong with turning people into puppets to play out her perverted fantasies, against their will, turning them into sex-criminals in the process. She's also got flaming red hair, in her humanoid form.
  • The Fashionista: Part of her Hidden Depths. She's got a great eye for fashion, and is an expert in picking the perfect outfit for any occasion, at least as far as other women go.
  • Good Thing You Can Heal: No matter how much damage she takes in sword-form, she will completely regenerate in one hour. She doesn't seem to mind being treated roughly.
  • Harem Seeker: The primary requisite to be a "chosen hero" for her is for the one she chooses as "master" to have a harem already. There are no other criteria in terms of character or morality. Then she insists on making said harem as large as possible, even compelling her host to lay hands on any and every woman that comes near...
  • Hates Being Alone: She begs Nagi not to discard her on several occasions.
  • Hellish Pupils: Her pupils are illustrated as slits, like a snake's.
  • Horny Devils: She's clearly of some "demon" race and is a raging pervert.
  • Laser-Guided Karma: She tried to forcefully enslave Nagi to make him, and his harem, into becoming her sex toys. He wound up enslaving her instead.
  • Lovable Sex Maniac: What she ultimately becomes. She never gives up her perverted nature, but she does care a great deal about the physical and psychological well being of her newest toys, Nagi and the others, and does truly desire what's best for them.
  • Magic Is a Monster Magnet: Invoked and Downplayed. Nagi alters her ability to attract and control her human wielder to a relatively harmless ability to attract and control slimes. By this point, Nagi had already acquired skills to negotiate with slimes and ask them to do what he wants...
  • Mind Rape: She was introduced having this power, and she'd use it on whoever was unfortunate enough to be chosen as her "master."
  • Nominal Hero: The only heroic trait she's got going for her is loyalty to Nagi. While she does want what's best for Nagi's harem too, it's only because she gets pleasure out of seeing all that lovely G-Rated Sex.
  • Obliviously Evil: She honestly can only see sex as sex. No matter how it's explained to her, she can not tell the difference between healthy, consensual sex, and rape, or any form of sexual crime. Even after experiencing it herself, and clearly not liking it, she believes the whole concept of "sex crime" is a silly excuse humans use to deny themselves pleasure.
  • Obviously Evil: Her sword form is Red and Black and Evil All Over, has an ominous eye with Hellish Pupils in the hilt, and all the hallmarks.
  • An Offer You Can't Refuse: When she "awakens" in Nagi's hand, she gives him two options, become sufficiently heroic that whatever sex acts he performs (under her control) will be overlooked, or be arrested and spend the rest of his life as a sex criminal. He finds a third option.
  • Only the Chosen May Wield: Anyone who tries to force her to serve them, at least prior to Nagi, would have terrible consequences happen to them and the surrounding landscape. She's on record as destroying entire countries when her anger is roused.
  • Person of Mass Destruction: Granted, it's entirely off-screen backstory, but she has a history of single-handed destruction of entire countries when her anger is roused. Even Cecil, whom the author calls a strategic weapon, can't do that...
  • Psycho Lesbian: She's sexually attracted to other women and is a raging pervert who can only see them as sex toys. After a great deal of character development, it's revealed that she does indeed realize they have thoughts and feelings and becomes more benevolent about it, but she's ultimately of the opinion that all women, regardless of age, should be sexed-up whenever possible. Mistreating them in any other way will send her into a rage that you'd best not be on the wrong end of.
  • Rapunzel Hair: Look at how long her hair is in the page image.
  • Really 700 Years Old: She's been in a dungeon for at least a 100 years, and wasn't exactly brand new when she was summoned.
  • Scary Teeth: Her humanoid projection has teeth that are all jagged and pointy.
  • Token Evil Teammate: She's one of the main characters and is a Psycho Lesbian who is an admitted and unrepentant Serial Rapist. If Nagi hadn't modified her skills against her will, she'd be using him to commit Rape by Proxy on any woman who got too close to him...
  • Trapped in Another World: The first for an isekai that isn't the protagonist or someone that was brought with him. The one who summoned her did so near the end of his life, in desperation, to defend himself against a genocidal war. He died before he could even relate to her a way to go back home, and without a master, she's stuck as a sword with no method of investigating one on her own...
  • Weapon Wields You: She had the ability to control the body of her owner in order to make him live out her perversions. Most past wielders were arrested as sex criminals. Those that weren't managed to have so many "heroic" exploits that the sex-crimes were overlooked.
  • We Can Rule Together: While she was trying to Mind Rape Nagi, she made all sorts of promises where he could rule and dominate others. His bad experiences with "Black Jobs" back on Earth made such a prospect utterly abhorrent to him.

    Iris Irfaga 
The daughter of the lord of the town of Irfaga and the local Shrine Maiden.
  • Bathtub Bonding: Invoked, justified, and on-screen. She walks in on Nagi when he's in the villa's bath (him wearing nothing, her wearing a Modesty Towel), and then sits across from him in the hot-tub, and that's where she decides to share all the info she has regarding the Sea Dragon, the Demon King, etc. The justification comes from the fact that this is the only way she can reveal the scales that are proof her her Half-Human Hybrid heritage.
  • Bureaucratically Arranged Marriage: Combined with Standard Hero Reward. The Sea Dragon God enslaves her and hands her off to Nagi, for the express purpose of eventually bearing Nagi's children some time in the future, as a direct result of Nagi defeating a Levatiathan, its mortal enemy, and protecting its shrine from a rival town, jealous of Irfaga's contract with the dragon. In exchange, Iris is freed from the yearly sea-dragon festival originally required of her to grant the Sea Dragon's protection, because this ritual repeatedly put her life in danger.
  • Calling the Old Man Out: Once the Sea Dragon God has "married" her off to Nagi, she leaves her father's mansion. When he tries to stop her, she rebuffs and rebukes him with his own words that he never loved her, and that her only merit to the household was the ability to perform the ritual granting the Sea Dragon's blessing to the town, something she emphatically will never do again. She also calls him out on turning a blind eye to her older brother's multiple attempts to have her killed.
  • Chuunibyou: Weaponized. She has a powerful imagination, which Nagi exploits to the greatest in the Master of Illusion entry below.
  • Fille Fatale: Once her talks with Nagi are over, and both of them are still in the bath, she comes onto him quite strongly, even dropping her Modesty Towel, and makes clear what would happen if the guards just outside were alerted, for any reason... Nagi has to later use his master/slave authority to forbid her from conjuring illusions of himself to "play around" with.
  • Finger Poke of Doom: Her one and only offensive skill. She can negate the damage of an incoming attack and redirect it back at her attacker in a place she pokes with her finger. This could leave the guy who attacked her crippled by pain for hours.
  • Freakiness Shame: All her life, people have treated her with scorn for the fact that scales manifest on her body when she enters any body of water, even a bath-tub. Nagi's the first person she's met who called her scales "cool" and meant it. Even her loyal maid, Matilda, treated them with indifference, and that was the best treatment she got.
  • Half-Human Hybrid: The descendant of an ancient union between a human and the offspring of the Sea Dragon God.
  • I Just Want to Be Free: When she met Nagi, she was willing to do anything to get out of being the shrine maiden and lead a normal life. Paradoxically, she gets her freedom by being enslaved to Nagi.
  • It Sucks to Be the Chosen One: She hated being the shrine maiden because she was treated with disdain, and forbidden from leaving the house for any reason, outside the Sea Dragon Festival once a year. She was able to convince Matilda to help her visit her mother's grave, after hours of pleading and rational, logical arguments, only to get kidnapped there....
  • Like a Duck Takes to Water: Literally. The very first time she was allowed to swim at the beach, her swimming skill manifested and rose to level 4.
  • Living MacGuffin: Prior to being repeatedly rescued by Nagi and then handed off to him as his "bride," all people saw her as was a tool, either for the Sea Dragon Ritual or her half-human, half-dragon bloodline.
  • Master of Illusion: Once Nagi gets a hold of her, he gives her a skill to make all senses illusions powered by her imagination.
  • Sheltered Aristocrat: In the Gilded Cage kind of way. The only times she was allowed to leave the house, prior to being handed off to Nagi as a slave, were going to the Dragon God Festival and her mother's grave.
  • Token Mini-Moe: Nagi meets her when she's 12 years old.
  • The Unfavorite: Not only did her father tell her to her face that her only value to him was the fact that she was the shrine maiden, but her elder brother happily jumped at the chance to try and have her kidnapped and killed just to be rid of her, with at least two other antagonists at different times.
  • Wise Beyond Their Years: She may be a 12-year-old girl when introduced, but she's savvier about how the world works, and the dark side of human nature, than Nagi, who's been not only kicked around on Earth, but proved Properly Paranoid in regards to the people of this new world.
  • You Gotta Have Blue Hair: Color illustrations show that she has lime-green hair.

An elf adventurer Nagi witnesses being bullied into a contract with an adventurer party, against her will. Fortunately for the bullies, Nagi intervenes on her behalf.
  • Action Bomb: Of bad luck, and by design.
  • Action Survivor: Invoked. One of her skills greatly increases her chances of survival the greater the threat she faces. This skill does not extend to whoever happens to be travelling with her...
  • Amnesiac Hero: Prior to adventuring with Nagi, she knew almost nothing about herself or her origins.
  • The Archer: One of her few learned skills. She's a master with a bow, doubly so once Nagi got a hold of her skills.
  • Artificial Human: Artificial Elf to be precise. She is a homunculus created in a lab.
  • Blessed with Suck: An automatic ability that enhances your life energy? AWESOME. Said ability is conditional on how much danger you're currently facing, and requires you to be in the most possible peril for peak effect? Not so awesome. This skill doesn't apply to any allies that might be with you? Really sucky.
  • Born Unlucky: Invoked. She was deliberately infused with an "attract bad luck" skill as part of her creation.
  • Doom Magnet: Literally. She would attract bad luck, until Nagi was able to alter her skills.
  • Familiar: An Elder Slime leaves behind a small, non-sentient fragment of itself that remains perfectly docile as long as it remains in contact with her skin, hair, etc. She wears it as a hair pin, which allows either Aine or Reggi to use it as ammunition if the need arises.
  • Lone Survivor: Repeatedly. Due to her invoked Doom Magnet abilities, every place she tried to settle down, or every party she adventured with would sooner or later be completely wiped out... until she met Nagi.
  • The Scapegoat: Intended. Her creation was intended to draw all the bad luck out of an area so the rest of the populace could live in peace and comfort, or to use as an Action Bomb against the Demon King army. Both plans failed, horribly.
  • Shameful Strip: While helping Nagi and co deal with an Elder Slime that forced its way into and squatted in the family home, said Elder slime dissolved all her clothes, as she was wearing them.
  • Winds of Destiny, Change: Nagi was able to replace her Doom Magnet skill with a skill that briefly gives her the best possible luck in any situation for a few seconds, making even the most difficult shots near perfect one hit kills. The downside is that this skill leaves her completely helpless for about 10 minutes.
  • You Gotta Have Blue Hair: Bright pink.

The egg of Tenryu, the wind dragon.
  • Clingy MacGuffin: After being bound to Nagi as his slave, she manifests as a bracelet that he wears constantly.
  • Happily Adopted: Her humanoid form sees herself as Nagi's daughter, not his slave, and she's very, very happy there.
  • Loyal Phlebotinum: Although her first priority should be gathering enough mana to be born, and thus being free of Nagi's slave contract, her first priority is Nagi's well being.
  • Sealed Good in a Can: An ancient elf once bound her with a "lock" skill, preventing her from gaining the mana of her mother, Tenryu, thus keeping her as an egg for all eternity... until Nagi came along and deliberately destabilized this skill.
  • Sentient Phlebotinum: As Nagi's bracelet, she acts on her own.

    Kathrus and Renny 
A rookie "Knight in Training" with a split personality that Nagi encounters on the way back to Irfaga from the spa-resort he and his harem were visiting, on official Adventurer business.
  • Cuteness Proximity: Kathrus, though loathe to admit it, adores wearing cute hair decorations.
  • Daughter Of A Whore: Though her mother deluded herself otherwise, King Nadla only saw her mother as a cheap fling, only visiting the woman's grave once, and then only as a formality demanded by his royal duties.
  • Eye Color Change: The surefire way to know when one or the other personality is in control is to note the eye color. When Kathrus is in charge, her eyes are blue. When Renny is in charge, her eyes are violet.
  • Fantasy-Forbidding Mother: Kathrus had one. Kathrus was forced to devote her entire life to becoming a knight. No other desires or hobbies would be tolerated.
  • Hates Being Touched: Renny can not stand physical contact, fainting if she's touched.
  • Heroic Bastard: Her parents were clearly not married when she was sired.
  • Hidden Backup Prince: She's the illegitimate daughter of King Nadla.
  • Innocent Blue Eyes: As Kathrus.
  • Knight Errant: Introduced doing good deeds trying to earn enough merits to take the Knight Exam, and pass.
  • Literal Split Personality: Once Nagi acquires a magical suit of armor, as a reward for rescuing Kathras, she gains the ability to manifest both consciousnesses in separate bodies.
  • Purple Eyes: As Renny.
  • Raised as the Opposite Gender: Her mother raised her as a boy, forced her to see herself as a boy, and named her as a boy, all for the sake of forcing her to become a knight.
  • Reluctant Fanservice Girl: Kathrus faints and Renny takes over if Kathrus so much as takes off her socks in public.
  • Royals Who Actually Do S Omething: She's King Nadla's daughter, and she takes to the front lines to genuinely help others.
  • Shameless Fanservice Girl: Renny is an unashamed nudist despite knowing just how sexy her body is.
  • Stone Wall: Her Knight skills are mostly focused on defense.
  • This Is Unforgivable!: Renny makes a point of telling Nagi that she will never forgive Garangara for the way he ruined her childhood and tried to have her killed "in a training exercise," and should she ever meet him, plans to repeatedly punch him in the face until said punches kill him...
  • Unsettling Gender Reveal: Nagi goes into the "men's" sauna and finds "Renny" there, naked and unashamed...


     Nagi's parents
And this is his fondest memory?
They gave birth to him... and then didn't want anything to do with him.

     Nagi's "employers"
Would you want to work for these guys?
The people who "employed" Nagi at all those "part-time" jobs back on Earth.
  • Corrupt Corporate Executive: Just from their one appearance in the manga, they look well-off, and abused the hell out of the sheer difficulty of getting the Labor board's attention in dealing with subordinate abuse. By the time Nagi did manage to get the board's attention, "he quit" or "was fired for cause"... to be put to work elsewhere.
  • Moral Myopia: Look at the No OSHA Compliance entry below. If Nagi so much as suggested going to the labor board to complain about it, especially if he had to because the schedule they forced upon him would make him "unexcused" absent from school, they would turn around and call him a coward, abusing a higher authority against them.
  • Nice Job Fixing It, Villain!: Had it not been for the fact that they exploited Nagi mercilessly, he might have taken King Nadla's offer at face value and gotten enslaved along with the rest of the class.
    • The horrific treatment they gave him, constantly flouting and abusing their authority, made Regi's temptations utterly abhorrent to Nagi, rather than leading to a Start of Darkness.
  • No OSHA Compliance: They denied Nagi sick-days in violation of the law, they would work him 22 hours a day, for weeks at a time, would show up at his house, unannounced, in the middle of the night, and exploit Japan's "don't trouble others" society by calling him on his cell-phone and telling him to come to work, or they would sit in their cars honking their horns at him, until he complied, or the neighbors would call the police on him, and lastly, would force him to bow at 90 degrees every time he had to greet a "full-time" worker, and despite him being officially a "part-time" worker, he definitely worked more hours than most of the other employees, including the full-timers, often underpaid, or not paid at all... Talk about putting the word "slave" in "wage slave."

     King Natla
You think you can escape me, Nagi?
The one responsible for having Nagi's class summoned to this new world.
  • Big Bad: To date, all the troubles of the world seem to come from his direction.
  • The Cake Is a Lie: He offers the class a "contract" to return home after they've defeated the Demon King, and each student who agrees gets a monthly allowance of 400 silver pieces. Nagi's investigation uncovers several glaring flaws in this proposal.
    • The class must be the ones to defeat the Demon King. If someone else does it, the king has no obligation to meet his end of the contract and send them home. In addition, the king won't send them home until the Demon King is beaten, period.
    • Those who agree become slaves to the king until they've met their end of the bargain. If he chooses to sell them off, the buyer can modify the contract to his own liking.
    • 400 silver is only enough for food and lodging for 20 days, no other expenses, and each month is 30 days. Thus the "salary" isn't enough for food and shelter alone, never mind weapons and equipment, or any other expenses.
    • Considering that the Demon King is only mentioned, but there's been no solid evidence of his activities, or even of his existence, even after hundreds of chapters in the web novel, there may well be no way out of this contract, aside from death.
  • Slavery Is a Special Kind of Evil: He's been summoning and "contracting" people for at least a decade, and he's sold quite a few of them to shady organizations in the process. None of them have heard anything about the Demon King, let alone met him or his armies. They've all shown up as slaves, or not at all.
  • You Have Failed Me: He's very harsh to those that fail his orders, no matter how unreasonable. A contracted overworlder who fails to meet his inhuman standards gets sold off into slavery, at best.

    Slave and Skill Merchants
Dear Customer, come with us, we won't treat you too roughly...
The merchants who appraised Nagi's "sweep monster" skill, sold him Cecil, and then tried to kidnap them both in the middle of the night.
  • Eye Scream: They were looking right at Nagi and Cecil when Cecil invoked a light spell with a magnitude on par with what's usually found on the surface of a sun. Even if their reflexes kicked in, their retinas were likely flash-fried. In fact, the manga even has them scream in pain as a direct result.
  • Fatal Flaw: Greed beyond reason.
  • Honest John's Dealership: Exaggerated. Even the worst of con-men don't usually follow their marks home, after they make their purchase, to try and steal it back, along with the mark himself.
  • Ignored Epiphany: Manga only. The skill merchant does voice concerns that chasing Nagi and Cecil down, in the middle of the royal capital, no less, is a really dumb idea. The slave merchant insists that since Nagi's a "foreigner," nobody will care what happens to him. Well, after the merchants' shadows were permanently burned into the landscape, it's likely that quite a few people care.
  • No Name Given: Especially in the manga. Their name is not mentioned even once.
  • Starter Villain: The first antagonists Nagi has to face.
  • Stupid Evil: Rather than try and earn Nagi's repeat business with honest dealings, which wouldn't have been too hard, they force themselves into his inn's room, breaking the door in the process, and try to either kidnap or extort him into a "contract." It segues into Too Dumb to Live after Nagi hits them with a building, and they continue pursuing him.
  • They Just Don't Get It: They see Nagi blow a hole in the hotel's walls, barehanded, and Cecil warns them not to follow or he will punch holes in them. They follow, and Nagi hits them with a building. They still insist on chasing him down. It takes Cecil blasting them with light of a magnitude usually found at the surface of a sun to make them finally realize that such actions are entirely the wrong approach.
  • What Measure Is a Non-Human?: Inverted. The slave merchant is clearly not human and considers Nagi little more than an exploitable resource.

The first of the enemies Nagi and crew has to overcome.
  • Attack of the 50-Foot Whatever: It's the size of a whale with an "anemone" on its head.
  • Berserk Button: It has three. 1.) People entering what it considers as its territory. 2.) Fire. 3.) Loud sounds. Rita unwittingly pushed all three when her "noble" subordinates, out of Fantastic Racism, snubbed the chief of the local village and set up camp near the lake where the Leviathan was hiding.
  • Beware My Stinger Tail: The "anemone" on its head has tendrils with paralytic and poison stingers on them.
  • Healing Factor: The tendrils regenerate very quickly.
  • Hoist by His Own Petard: Nagi takes it down by boosting the healing rate of its tendrils, weighing it down with them as they grow far too fast and too big for it to control.
  • Kill It with Fire: How it dies.

    Deputy Bishop Algis/Argis
Come, sell Rita to me. She should be with the one who raised her!
Rita's former direct superior.
  • Adaptational Dumbass: In the original source, all he knew was that there were intruders in the tower that was housing Aine's memories, and went to investigate, taking the best bodyguards available, having no way of knowing what he was getting into. In the manga, he is openly warned that Nagi's group is coming, but is completely dismissive, thinking he's already won the fight, and there's nothing they can do against him, even though he's aware that Rita is a powerful fighter and Cecil is a powerful mage, and that Nagi somehow took down a Leviathan.
  • Adaptational Jerkass: In the manga, Bishop Algis was not responsible for Rita getting herself fired, it was an edict handed down from his superiors, against his "better" judgement. Had it been his choice, he would have enslaved her, in addition to sealing her holy skills and abilities. Then openly exploited her for all it's worth. He doesn't bother even trying to deny it.
  • Aggressive Negotiations: He points out that only he could remove the "lock" skill that was binding Rita's inherent ability, and tried to use this fact to force Nagi to sell her to him.
  • Bring Me My Brown Pants: When Rita catches up to him to stop him from making Leticia his latest Lust Object, she punches him in the stomach so hard he loses control of his bowels before he passes out, and realizes it when he wakes up, tied to a tree in the forest, proof of his crimes at his feet.
  • Casanova Wannabe: He thinks he's a smooth-talking lady's man. In truth, his compliments are shallow, at best, since he only cares about appearances. Nagi's got an Unwanted Harem of women happily throwing themselves at him, constantly, because his compliments take in the whole person, looks, personality, abilities, likes, hopes, and dreams, to the tiniest detail, making the girls in his thrall feel genuinely treasured.
  • Cavalry Betrayal: When the corrupt nobles of Metcal turn on the "commoner's guild" for having the audacity to actually try to complete the "cursed sword" quest said nobles dumped on them, he makes the Iturna cult healers turn on the "commoner's guild" adventurers and side with the corrupt nobles to try and kill them.
  • Corrupt Church: He was all too eager to turn a blind eye to his church's moral teachings, and local laws, if they got in the way of his pleasure.
  • Engineered Heroics: Once Rita became unavailable, he planned to "rescue" Leticia from the Gargoyle guardians around Aine's memory crystal and then use the same amnesia tool he used to steal Aine's memories away on Leticia, so she'd be stricken by Rescue Romance. He never dreamed she'd hire Nagi, Rita, and Cecil as backup...
  • Evil Cannot Comprehend Good: He was honestly flummoxed that Nagi would genuinely view Rita as being worth well over 1 billion silver coins.
  • Face of an Angel, Mind of a Demon: Handsome, and charming, but twisted and cruel.
  • Fantastic Racism: He fully subscribes to the human supremacist teachings of the Iturna cult, at the expense of all the other teachings.
  • The Farmer and the Viper: Because Nagi heeded Cecil's request to not obliterate him and the office he works in, he comes back later to help a local corrupt noble in Metcal annihilate the "commoner's adventurer guild" and abuses an amnesia artifact on Aine to trick her into signing away her guild HQ. His subordinates also serve to become accomplices in premeditated murder on the members of said guild.
  • Faux Affably Evil: While his gestures and words were polite while he was offering to buy Rita from Nagi, his facial expressions, and presumably his tone, were haughty and filled with contempt for everyone else in the room.
    • The manga illustrates that he is indeed a loathsome piece of refuse, in a holy vestment, that looks down on everyone.
  • Harem Seeker: Deconstructed, fully. He only cares about a woman's appearance, nothing else. His biggest ambition in life was abusing the amnesia artifact his superiors lent him, along with contract magic, to brainwash and enslave as many attractive women as he could into loyal sex-slaves for his own use and abuse. When this all falls apart, as it should, he begins screaming how he's a good man and has done nothing wrong.
  • Insane Troll Logic: He refuses to authorize Rita paying Nagi the 20,000 silver coin fee for rescuing her "noble" subordinates, as was duly contracted, claiming that the Leviathan attacked as a direct result of her actions in bringing Nagi and Cecil to that village aboard her carriage with her, completely overlooking the actual reason they were near that lake in the first place.
  • Insult Backfire: In the original source, he doesn't even acknowledge Cecil's existence while negotiating with Nagi. In the manga, after Nagi has pointedly refused his offer of 200,000 silver coins, stating Rita's price as 20 billion coins, Algis tries to assault Nagi, Cecil intervenes, so he calls her "an evil dark elf" to her face. She retorts "That's right? I'm so evil, I will mercilessly destroy all enemies of Nagi-sama!" as a very credible threat.
  • Laser-Guided Karma: He abused a powerful amnesia tool loaned to him by his superiors, dreaming of exploiting the aftermath to enslave women... for obvious reasons. While rescuing one of his victims, Rita destroys this artifact, leaving the broken pieces in his presence. He winds up being enslaved to pay off the cost of replacing said artifact...
  • Never My Fault: As he's tied up in the forest, the proof of his crimes at his feet, he spends his last appearance as a free man repeatedly shouting that he's a good man and has done nothing wrong.
  • Nice Job Fixing It, Villain!: The "lock" skill he places on Rita gives Nagi the base components to not only greatly boost Rita's own abilities, but his own.
    • In addition, Rita was not likely to be accepted by Nagi and Cecil in the first place if not for the fact that he showed up in Nagi's room, uninvited, and not only began looking at Rita like a starving man would look at a T-bone steak, but pretty much outright demanded that Nagi sell her to him.
  • Suicidal Overconfidence: In all mediums, when he's expecting Leticia to come to Aine's rescue, he's fully convinced he's already the winner, even calling Count Regild "a worry wart" when the latter was concerned about the strength of Nagi's party, who had already defeated Tanaka in a head-on fight.
  • Villain Has a Point: Manga only. Rita runs out of Nagi's room when he tries to turn her down gently, seeing as he's generally opposed to slavery. It isn't long before Bishop Algis corners her in a public area, and openly states how foolish it is to offer yourself into slavery to some random adventurer.
  • Wrong Genre Savvy: When he "offered" to buy Rita from Nagi, his proposal of 200,000 silver coins and having an Iturna Cult healer in Nagi's party for a year, free of charge, would be considered a sweet deal by about anyone else. However, Nagi, who actually sees his slaves as people, not as tools to use and exploit, found the "offer" insulting because Rita was clearly uncomfortable with the idea of having Argis own her.

     Count Regild Ligiruta 
The corrupt noble who secured the aid of Bishop Argis to backstab the "commoner's guild" and try to steal the "cursed sword" for himself.
  • Aggressive Negotiations: He was firmly of the belief that he could make any and all demands he wanted on Nagi's party because he and his army of eleven level 24 adventurers, two of whom were wizards, could easily "silence" (read kill) them if they didn't agree to his one-sided demands. He was dead wrong.
  • And Then What?: He and Bishop Argis betrayed and mass-murdered the entire commoner's guild and set up Aine to lose decades of her memory, to the point where she thought she was still a child living with her six-year old younger brother. This means that if his "plan" had gone perfectly, there would be nobody to push the unpleasant requests of his guild onto, and the one person who could recruit and run a guild of commoners would be completely incapable of the task...though it's reported that they created a new "commoner's guild" from other adventurers that they didn't drive out or kill.
  • Cruel Mercy: Instead of being killed, and rightly so, for attempting to straight up murder Nagi's party, after kidnapping Aine, having Bishop Argis erase decades of her memory, and doing a whole bunch of nastiness, Nagi has Aine use contract magic to force him to devote all his time and effort searching a dungeon to finding the Cursed Demon Sword that Nagi already spirited away, and then made him forget all about Aine and Nagi with a bit of Laser-Guided Amnesia.
    "Farewell, Count Regild. You too should experience once in a while how it feels to work in a black company with no reward in sight."
  • Defensive Feint Trap: A victim of one. He "ambushes" Nagi's party in a swamp... after Nagi's managed to make a skill that summons and controls slimes which are very, very common in swamps.
  • Did Not Think This Through: He and his "nobility guild" forced all their unpleasant quests onto the "commoner's guild," including the Cursed Sword quest. Only once the commner's adventurers actually accept the quest does he and his "nobles' guild" companions realize that if the commoners get the Cursed Sword, King Nadla, by force of contract magic, would make the commoner(s) who have said sword equal in rank to themselves...
  • Driven to Madness: By force of contract magic, he's afflicted with an obsession to search the dungeon where the Cursed Demon Sword is supposed to reside until he finds it, an Impossible Task, since Nagi already laid claim to her and spirited her away.
  • Entitled Bastard: When he chases down Nagi, Aine, and the others to a swamp, he says "I even treated you with utmost courtesy... how regrettable that you are unable to understand my sincerity" after unilaterally demanding that Aine be handed over for imprisonment, purely because he didn't want her repeating the wrongs she had suffered at his hands.
  • Feeling Oppressed by Their Existence: He and his hired goon, Tanaka, did everything in their power to utterly destroy Aine, for the "crime" of existing, and not constantly sucking up to him and his, being "grateful" that his group pushed their unpleasant quests upon the Commoner's Guild, insisted on coming along to supervise, constantly getting in the way, and blaming the very commoners when things go wrong directly as a result of their own actions.
  • Glory Hound: Combined with Heroic Wannabe. The sole reason he's going after "The Cursed Sword" is for the sake of becoming a Living Legend and being worshiped as a "hero" purely for his own glory. It doesn't matter how many people he tramples over or outright murders to accomplish this.
  • Laser-Guided Amnesia: Combined with Laser-Guided Karma. Once Aine has finished her "contract" with him, she makes him forget why he was in that swamp, and lets him go back to dungeon crawling... for the "cursed sword quest" that Nagi already took away, but he's forced to forget that part.
  • Make an Example of Them: The crystal holding Aine's memories was blocked behind several "Gargoyle guardian" steel golems, slowly leaking away, to be lost forever after three days, just to intimidate the locals because the commoners "defied him" for the crime of actually carrying out the task he assigned to them.
  • Miles Gloriosus: He's only "brave" when others have cleared the danger for him. The moment he faces an actual threat, he panics and tries to run, hide, or beg for help. The moment the threat has passed, he starts boasting of how "he has won the day."
  • Nice Job Fixing It, Villain!: Taking the commoner's guild away from Aine was clearly a benevolent intervention. Considering the fact that she worked 22 hours a day, seven days a week, only taking a "nap" when she lost consciousness and had extended black-outs, it's a wonder she was even alive when Nagi met her.
  • Rich in Dollars, Poor in Sense: He hires a small army of mercenaries and equips himself with expensive enchanted gear, using his family's wealth, but falls for the most basic of rookie military strategies.
  • Smug Snake: He truly believes he's the smartest, strongest, and most talented adventurer around, resorting to murder to maintain the illusion. He's really a hopeless incompetent who can be bested by a child in any one on one battle.
  • This Cannot Be!: All he could say was "impossible" over and over again when his level 24 army and his highly enchanted armor and weapons were completely overcome by a party of four people, all novice adventurers, and a bunch of forest slimes.
  • Too Dumb to Live: Even the horse he was riding was smarter than he was and saw the Defensive Feint Trap a mile away, fleeing the moment he dismounted to chase Nagi's party down on foot...
  • Villains Want Mercy: Combined with Villainous Breakdown. When Nagi's party took his army apart, he completely lost it, both screaming at his troops to kill them and the slimes of the forest, and begging for his own life simultaneously.

    Retired Knight Garangara 
Responsible for using a cursed armor artifact to "test" rookie knights by having this armor ambush them on the road and forcing them into a duel to the death. He unleashed this armor on Kathrus...
  • Archnemesis Dad: Although he's Kathrus's maternal grandfather, he's the only father figure the kid had, and is directly responsible for having Kathrus suffer a Fantasy-Forbidding Mother that was fixated on having Kathrus grow up to be a male knight, despite being born female, and denied Kathrus's actual gender so strongly Kathrus developed a split personality, purely for the opportunity to have Kathrus face a convenient "training accident."
  • Complexity Addiction: There are far, far simpler ways he could have handled the "Kathrus problem," many of which would have been morally superior, like say being a doting grandfather and supporting her becoming an adventurer, as female adventurers are hardly rare, and adventuring tends to be both anonymous and dangerous. Instead, he deludes his daughter, Kathrus's mother, into forcing the girl into the knighthood, promising that this will earn the king's honest love and devotion, just for the sake of arranging a convenient "accident."
  • Did Not See That Coming: He never dreamed that someone could defeat the cursed armor, and break the spell binding ghosts to it...
  • Did Not Think This Through: Which he lampshades in his internal monologue. As he's fleeing the wrath of the ghosts, he ponders abandoning the magic tools he used to bind those ghosts to the cursed armor, and which he could have used to call for aid as he fled Nagi's mansion in a panic.
  • Even Evil Has Standards: Unlike other aristocrats to date, he won't intentionally drag monsters into town while trying to escape. He briefly considered going to Metcal so the Iturna cult could exorcise the ghosts chasing him, but discarded that idea because the ghosts would chase him into town and endanger the civilians.
  • Evil Virtues: Loyalty. He's loyal to King Nadla, but his actions are otherwise completely despicable.
  • Faux Affably Evil: While acting as the bodyguard of Irfaga's town lord, and speaking to Iris, he's polite and cordial, but something is just a bit "off" which makes her suspect him of malice almost immediately.
  • My Master, Right or Wrong: His loyalty to the king is greater than everything else, including familial ties...
  • Never My Fault: As he's being "tested" by the ghost, he yells at the ghosts that their wrath should be focused on the wizard that bound them to the armor, forgetting that he's the one who was ordering them to "test" rookie knights.
  • One Degree of Separation: He's Kathrus' maternal grandfather.
  • Offing the Offspring: Close enough. Kathrus's mother was his daughter, and he sent a "cursed" armor to try to kill Kathrus.
  • Plausible Deniability: When informing Iris of the "cursed" armor, he repeatedly stated his information came second-hand from "rumors" and "legends."
  • Screw This, I'm Outta Here!: When he found himself being "tested" by the ghosts in the same way he had used them to test rookie knights, he ran away in a panic, rather than face the challenge head-on, as he had condemned many others to do.
  • Uncertain Doom: He is last seen fleeing on horseback from an army of ghosts he had no way to fight against. It is uncertain if they managed to hunt him down and kill him.
     Kijin Mercenary 

Kijin Mercenary:
Careful, you're going to lose your head in bed one day.
A Kijin woman introduced with Tanaka in the manga.
  • Ambiguously Brown: It's not known if her skin tone is normal for her species, but it's very dark.
  • Badass Cape: She can fight Rita to a standstill and she wears a cape, as seen in the page image.
  • Bare Your Midriff: Her outfit exposes her abdomen.
  • Canon Foreigner: She doesn't even exist in the original source. She was created entirely for the manga only.
  • Double Reverse Quadruple Agent: By the time chapter 14 of the manga has rolled around, she's fed info about Deputy Bishop Algis and Count Regild to Nagi's party, and fed info about Nagi's party to Bishop Algis and Count Regild, and openly lampshades doing so to both parties. She's pointedly "playing both sides against the middle", not just for her own amusement, but to see if Nagi is enough of a Worthy Opponent to be her baby daddy.
  • Double Standard: Rape, Female on Male: Averted. She may see nothing wrong in pinning a guy to a bed and threatening him with a weapon to get herself knocked up, but the other characters, specifically Nagi's harem, are certainly not amused and respond with violence, upon her.
  • Highly Visible Ninja: She uses projectile weapons and has much of the "ninja" look down, but she tends to attack head on, rather than hide in shadows to wait for her chance.
  • Horned Humanoid: She has horns on her head, but could pass for human without them.
  • No Name Given: Her name has yet to be revealed.
  • Power Is Sexy: Seeing Nagi beat up Tanaka made her want to jump his bones first chance she got, whether he wants it or not. He doesn't, seeing as he's faithful to his slaves, whom he treats as brides.
  • Punch-Clock Villain: If she wasn't under a [contract] to serve and protect Tanaka, she wouldn't have any reason to oppose Nagi and the others.
  • Really Gets Around: By her own admission, she has a lot of sexual experience and prowess, and her response to Nagi declaring his virgin-hood is arousal and the promise to "train" him.
  • Scars Are Forever: She has a scar on her face across one eye, and three on her midriff. Their significance is yet to be revealed.
  • Too Many Belts: She has at least 11 belts on her, serving as a bra, holding her shoulder pads, hip pads, knee-socks, and shoes in place.


     Rita's Iturna Cult subordinates. 
The minor aristocrats shown working under Rita in the cult, until she got fired.
  • Bullying a Dragon: They never hesitated to speak ill about Rita, despite the fact she's both their superior and can literally snap them in half like twigs, even if they all come at her at once.
  • Entitled Bastard: They honestly believed that Rita should have been obeying their orders not the other way around, despite being their superior, having worked harder than they did, and being more in line with Iturna's teachings than they were, simply because they're "nobles" while she's "an upstart."
  • Fantastic Racism: Very human supremacist, even ignoring the one and only greater teaching from Iturna, help those in need regardless of race. In the manga, they were even willing to drive away a dark-elf woman with a terminally ill child that had overcome who knows how many hardships just to ask for their aid in the first place. Good thing for the dark elves that Rita thinks differently.
  • Insane Troll Logic: They tell Rita's superior, Bishop Argis, that the god Iturna sent The Leviathan against her, personally, as punishment for both letting Cecil into her carriage on the trip to Metcal, and manga-only, stopping to aid a dark-elf woman with a terminally ill child... Despite the fact that the Leviathan attacked and paralyzed them first and Rita was fighting to protect them. Bishop Argis not only believes them, but denies Rita the funds she needs to pay Nagi and Cecil the reward for defeating the Leviathan and rescuing them.
  • Never My Fault: They blame Rita being kind to "Dark Elf" Cecil and aiding a Dark-elf child that was going to die for the fact that The Leviathan attacked them. They can't bring themselves to believe that they were responsible for the attack because they snubbed the mayor of the local village and ignored his warning that a Leviathan was in the area.
  • Sex Is Evil, and I Am Horny: Played for laughs in the novel's chapter 31 and 32. They stumble upon Nagi and Cecil performing the "White Knot Festival." A once a year festival where masters show their sincerity towards their opposite sex slaves. They lecture Nagi, incessantly, with their Fantastic Racism until they realize he's celebrating the ritual, at which point they voice their jealousy... and run back to their church in a panic screaming about how Nagi "has already been corrupted by the evil dark elf and is going to hell" then start diving into their studies, trying desperately to forget how Nagi and Cecil had an Accidental Kiss as a result of Romantic Spoonfeeding.
  • Ungrateful Bastard: They respond to Rita, Nagi, and Cecil risking their lives to rescue them by first testifying that Rita and Rita alone was responsible for provoking the Leviathan, and working to deny Nagi and Cecil their duly earned reward, a reward that was 25% of what they'd have to pay a professional adventuring party.

     Dark Elf Mother and Child
some caption text
Manga only characters that establish Rita's character when she stops the Iturna cult caravan to aid them.
  • Ill Boy: The dark-elf child was very sickly when Rita met them, and had she not provided aid, he might have died.
  • Karmic Jackpot: Had Rita not stopped the caravan to help them, Nagi would never have learned about the Leviathan.
  • No Name Given: Their names are never mentioned in the story.
  • Small Role, Big Impact: They're throw-away characters, not even introduced in the original story, but in the manga, they're the reason Nagi goes off to rescue Rita from the Leviathan in the middle of the night.

     The tavern owner.
Those lines, damn, you gave me goosebumps!
The pub owner Nagi and company meet in Metcal.

     The innkeeper
The White Knot Festival, Huh?
  • Adaptational Nice Guy: In the original source, she suspects Nagi is using Master/Slave authority to force Cecil into the festival, so tricks him with contract magic to keep him from using his authority to boss Cecil around a full day, just to make sure. In the manga, this aspect is removed, and she takes him at his word.
  • Bit Character: Only appears in chapter 10.5 of the manga, and its equivalent place in the light novel, then is never heard from again.
  • Horned Humanoid: Has small, yet noticeable, horns on her head.
  • Little Bit Beastly: Seems to have bovine-like ears as well.

    Leticia Milfe
Aine's friend among the Noble Adventurer's Guild of Metcal.
  • Aggressive Categorism: Despite being an aristocrat herself, Leticia is firmly convinced that all aristocrats, except for herself, are arrogant, cowardly, despicable people who have no ability but strut around as if they're superior to anyone and everyone, and deserve to die horribly. She has the dubious honor of being right in her assessment.
  • Antagonistic Offspring: A rare heroic example. She hates her father because he betrayed her trust and actively aided the mass murder of the commoner's guild in Metcal and the theft of Aine's memories by Bishop Argis, then fled and abandoned Letcia leaving all the responsibility of the aftermath to her.
  • Aristocrats Are Evil: Averted. Leticia may be an aristocrat, but is a morally upstanding individual.
  • Child Hood Friends: With Aine.
  • Covert Pervert: At least in the manga. When asking Nagi about his plans, he states that his top goal, after leaving Metcal, is finding a house to purchase, preferably with a proper bath, as the best he could hope for in an inn was washing down Rita's and Cecil's bodies with a damp cloth. This makes Leticia have an Imagine Spot of Rita and Cecil both underclothed and in erotic poses, thus causing her to turn red as a beet, and Head Desk, voicing aloud that Nagi's Practical Taunt to Tanaka might not have even been a taunt at all.
  • Exact Words: The way she forces Nagi to take Aine as his slave is as follows: She contracts him a villa in Irfaga, including the house, furniture, and all other attached articles, to transfer ownership when everyone leaves the warehouse where the contract is being written. After Nagi agrees, Leticia then turns to Aine and contracts her to be the household maid, which puts Aine into a slavery contract. By this point, it's already too late for Nagi to object. He is not amused.
  • Guest-Star Party Member: On rare occasions, Leticia helps Nagi and the harem out, but never permanently joins the party.
  • Like Brother and Sister: With Aine. The two are very close, but not romantically.
  • Rant-Inducing Slight: Nagi questioning if she's with the corrupt nobles of Metcalf because she admits being a member of the nobility causes her to pound on the walls of the adventurer guild so hard they vibrate, and they're brick walls.
  • The Team Benefactor: Leticia is the one responsible for Nagi's mansion, where the entire harem lives, in Irfagar. Leticia, through noble contacts, usually provides mission critical information or quest data that Nagi needs to succeed.
  • Who Are You?: When she first sees Nagi, Rita, and Cecil beat up on Tanaka, she cries out the trope, word for word, surprised at the fact that "unreliable, low level adventurers" beat the crap out of the self-proclaimed "Legendary Hero" Tanaka.
  • You Gotta Have Blue Hair: She is introduced as an anonymous, blue-haired girl until she introduces herself by name to Nagi.

Iris's maid when Nagi first rescued her from kidnapping by animated armor leading ghosts.
  • Meido: She is Iris's maid.
  • An Offer You Can't Refuse: On Iris's orders, she scouts out the inn where Nagi is staying and "invites" them to Iris's villa in the resort town of Richelda.
  • One-Shot Character: She only shows up in Richelda. Once Nagi and party escort Iris to Irfaga, she's never seen again.
  • Skewed Priorities: When the villa in Richelda was under attack and the troops she hired are dropping like flies in the face of "False demon," the first thing that comes to mind is yelling to the troops that a paid vacation was coming to them at the end of the month. It is debatable if this is her clumsy way of trying to keep their morale up, or she's just that ditzy.
  • Yandere: Deconstructed. She is so smitten with Iris that she considers Nagi and crew "troublesome pests" for being near her, despite the fact that they're near her, at her request, only to deal with "False Demon" and his goons, so she sends a squad of knights that are still butthurt about having to be rescued at Nagi, hoping they'll kill him and his party, even giving them the flimsiest of excuses. Had she succeeded, Iris would have died when "False Demon" launched his attack, and because she failed, Iris lost all faith and trust in her, firing her on the spot, the moment she regained consciousness (having fainted from seeing Nagi and crew in action).

    Haiyuan Kelkatl 
The Sea Dragon God.
  • Appeal to Tradition: One of the few human customs it understands. It hands Iris off to Nagi as a "bride" as a reward for killing a Leviathan and protecting its temple, like it handed off one of his daughters, Iris's ancient ancestor, to the boy who loved her for doing the same thing.
  • Blue and Orange Morality: Its moral compass is completely alien to humans. The fact that communication is possible at all is a minor miracle.
  • Engagement Challenge: Killing Leviathan is only a prerequisite for marrying its offspring. Nobody else even comes close to being "worthy."
  • Guardian Entity: It's the guardian of the port town of Ifarga, and the trading ships launched from there.
  • Our Dragons Are Different: Rather than fly through the sky with powerful wings, it swims through the ocean and is a giant snake.

Former Classmates and other Japanese "visitors"

    Yamizoe and Takimoto
The two in front think they're the protagonists. Yamizoe on the left, Takimoto on the right.
The class president and vice-president, respectively, of Nagi's class.
  • Adaptational Early Appearance: They appear in the manga in chapter 1, to showcase the reaction of Nagi's class to the situation, and the fact that Nagi got literally thrown out of the royal palace. In the original lightnovel, they only appear much, much later, and face Nagi on far worse terms.
  • Femme Fatale: Takimoto uses the promise of sex to lead Iris's older brother around by the nose, easily convincing him to have Iris murdered to "prove he loves her," and letting himself be deluded into thinking that pissing off the sea-dragon is somehow beneficial to the town of Irfaga that depends on the sea-dragon's blessing for protection from monsters.
  • Genre Blind: In the manga, they take King Nadla's words at face value, completely ignoring what it means to be suddenly transported to a world with rules, norms, and cultures they don't know or understand. In the lightnovel, this costs them greatly.
  • Heroic Wannabe: Their desire to be acknowledged as "heroes" completely blinds them to the perils and traps involved in the king's "proposal."
  • Made a Slave: In the lightnovel, Nagi encounters them after King Nadla has outright sold them to rather shady individuals. They lost quite a bit of their sanity by then.
  • Marionette Master: Both of them come at Nagi's party using magically created puppets, at different times.
  • An Offer You Can't Refuse: They try to force Nagi to join them as "heroes" under King Nadla. To his eternal credit, Nagi not only sees through them, but refuses anyway. He winds up in a much better place than they do.
  • Panty Shot: Takimoto defies Magic Skirt when she gets tired of Nagi "disrespecting" class president Yamizoe's offer to be "heroic" under King Nadla, delivers several high kicks and takes up a threatening stance, all of which make her panties visible. She's either unaware or unconcerned.
  • Suicidal Overconfidence: Combined with Stupid Evil. Their "cheat" skills go straight to their head, and Yamizoe tells Nagi, right in front of the royal knights, that when push comes to shove, they can overthrow the king, if need be. Nagi wisely lets himself be literally thrown out of the castle rather than team up with such fools.
  • We Can Rule Together: As noted in the entry above, they offer to share the spoils of overthrowing the kingdom with Nagi if he joins them on their "heroism" quest. Nagi, for his part, wants no hand in it.
  • You Have Outlived Your Usefulness: Both of them treat anyone and everyone they work with as disposable pawns, except for "Guild Master", the leader of a group known as "White Guild" that purchased them from King Nadla. Chapter 1 of the manga is the only time the two of them work together as classmates.

    Tanaka Koga
It's not enough. My job won't be over until everyone that supports Aine is dead, BWAHAHAHAHA!
The first of Nagi's "classmates" that is introduced in the light novel.
  • Adaptational Intelligence: Subtle, but present. In the original source, Nagi is able to temporarily trick him into briefly leaving what remains of the "commoner's guild" unmolested with a bit of fast-talking. In the manga, Tanaka remains just as self-righteous and delusional, but remains hostile no matter what Nagi says.
  • Axe-Crazy: He's a total nutjob that lives for the thrill of killing people, telling himself, and anyone that will listen, that they were "evil," and thus deserved death anyway.
  • BFS: His weapon of choice is a massive greatsword that's as long as he is tall.
  • Black and White Insanity: To him, you're either an ally and benefactor, or irredeemably evil and must be slain. There is no middle ground.
  • Chuunibyou: Which he openly admits in the manga. He's loud, flamboyant, and bizarre because he's "living the dream" of being sent off to another world to live out his fantasies, as a "crusader for justice."
  • Death of a Thousand Cuts: On the receiving end. When an enraged Cecil comes at him with flame arrows, knowing he has a high magic resistance, she whittles him down with "mosquito bites" of damage by the hundreds of arrows until Nagi makes her stop with his Master/Slave authority, and then only because she was running out of mp. If not for that, he would have let her cook him alive.
  • Deconstructed Character Archetype: Of the "hero" summoned to another world to battle the forces of evil. He shows that anyone who believes such a story at face value is really just hired muscle for corrupt and evil people who lack either the ability or the intent to carry out their own dirty work.
  • Dirty Coward: Though he completely deludes himself otherwise, he's only "brave and heroic" when he's attacking people weaker than himself. Even when he's going into a dungeon, under contract magic, he's doing so while in the rear-guard of the party, right alongside his "benefactor," Count Regild.
  • Fatal Flaw: His unshakable delusion that he's the "Legendary Hero destined to save the world" makes him far more dangerous to everyone within his sphere of influence, including himself. His overconfidence that "none of the 'normal characters' can ever beat him" doesn't do him any favors either.
  • Fragile Speedster: His "cheat" skill makes him so fast, most people can't touch him when he's actively fighting. (He moves at normal speeds when simply walking, so it is possible to flee from him.) Should someone land a blow, however, he crumples like a napkin.
  • Green-Eyed Monster: Exploited. Nagi taunts Tanaka with the existence of Cecil and Rita to distract him so that Aine's memory crystal can be snatched away.
  • I Reject Your Reality: He is the "hero" chosen by King Nadla to save the world from the Demon King, no amount of empirical evidence, including being thrown out of the royal palace and literally sold as a slave will convince him otherwise.
  • Jerkass Has a Point: Manga only. In the original source, Tanaka has absolutely no reason to go against Nagi aside from "Count Regild says so, and I like the Count." In the manga, Tanaka was one of the people commissioned to go after the Leviathan. Since Nagi eliminated the Leviathan, albeit while coming to Rita's rescue, Tanaka's expedition, going back and forth from the small lake-side town, taking several days, on foot, each way, was All for Nothing.
  • Knight Templar: He's firmly of the opinion that everyone he goes up against is irredeemably evil and must be killed. No exceptions.
  • Laughably Evil: Combined with Beware the Silly Ones His over-the-top theatrics are ridiculous, but his unshakable belief in his own "righteousness" that mandates he kill anyone who disagrees makes him very dangerous.
  • Made a Slave: He was enslaved by some corrupt nobles in the town of Metcal to be their enforcer and Dumb Muscle.
  • Murder Is the Best Solution: He is firmly of the belief that any and every situation is best solved by killing everyone on the other side.
  • Obliviously Evil: He's a mass murderer of the "commoner's guild" adventurers, but firmly believes he's the ally of justice and paragon of virtue.
  • Recognition Failure: On both ends. While Nagi is able to recognize that he comes from Japan, he still can't recognize him as a class mate. On the other hand, Tanaka doesn't recognize Nagi as Japanese, at all, and simply tries to murder him for "being a leftover 'commoner's guild scum'" that he believes escaped being murdered in the Cursed Sword quest dungeon. In the manga, he fully recognized Nagi is both Japanese and responsible for slaying the Leviathan, which gives him a somewhat legitimate grudge.
  • Red Baron: "The mad dog, Tanaka."
  • Tautological Templar: Since he sees himself as the "hero" chosen by King Naadla, his actions, no matter how vile, are beyond reproach. There is no way to change his mind in this, at all.
  • Too Dumb to Live: After Nagi's defeated him, he lets his insane belief that he's The Chosen One go to his head and contracts himself to clear "The Cursed Sword" dungeon and claim the cursed sword, in exchange for replacement equipment. Nagi simply shrugs when he learns about it and wordlessly wishes him luck with that, knowing it's literally an Impossible Task, and wonders just how many contracts he wants to be bound to before he's satisfied...
  • Wrong Genre Savvy: His actions convince Nagi that he either thinks he's the protagonist in some kind of video-game, or he's a cosplaying loon. This only serves to make him even more dangerous.

    False demon 
A Japanese "visitor" disguised as a "demon," who tries to kidnap Iris to use as Human Resources.
  • An Arm and a Leg: While fighting him, Nagi blows off one of his arms. He just grabs an arm from a random soldier serving the Irfaga house, rips it off, and then grafts it onto himself.
  • Barrier Warrior: His skill "slow field" is a barrier that slows down all his opponents, making them sluggish and easy prey.
  • For Science!: He experiments playing Mix-and-Match Critter with corpses just to see what will happen. He somehow thinks if he's got good "research," he can make himself a "hero" to Nadla once again.
  • Heroic Wannabe: Like all the other "classmates" so far, he wants to be a "hero," and will do anything he can to make it happen, even if what he does is entirely villainous.
  • Horned Humanoid: As part of his "demon" disguise, he grafts a couple of goat horns to his head.
  • Killed to Uphold the Masquerade: To prevent him from being interrogated, his "companions," the human soldiers helping him try to kidnap Iris, break into the prison holding him and kill him while he's chained down and defenseless. Iris and Nagi learn this the next morning while the aftermath of his attack is still being investigated.
  • Knife Nut: Aside from his "wings," he attacks with a dagger.
  • The Necromancer: He works with corpses to build his "creations" and it's suspected he used captured souls to give his vampire-bat minions sentience. He wanted Iris's blood to fuel his "masterpiece." He neglects to mention what this masterpiece is, and now we'll never know.
  • No Name Given: His name is never mentioned.
  • Refused by the Call: King Nadla ultimately throws him out too, and he realizes it, but he thinks he can win his way back if he makes himself "heroic" enough...
  • Tautological Templar: Because he thinks he's acting in the name of "World Peace," he believes his actions are beyond reproach.
  • Voluntary Shapeshifting: Sort of. He has "wings" that he can change into weapons at a moment's notice.


     The god/goddess of contracts.
  • Eldritch Abomination: The page image is not symbolic. This is a picture sent to Nagi's mind by Astarte while describing the god.
  • Hermaphrodite: Has both male and female features.
  • Humans Are Flawed: According to official doctrine, handed down by the god, while humans indeed have infinite potential, they also have infinite greed. Thus the demi-humans, "demons" and contract magic, including slavery, were all created specifically to rein in Humanity, and keep human vices in check.
  • Lawful Stupid: This god(dess) cares not a whit about the spirit of a contract nor the circumstances under which said contract is agreed. The contract will be complied with, to the letter, or else.
    • And it gets worse. Agreeing to comply with a written contract is dangerous. While neither of the two parties involved in the creation of the written contract can make changes without mutual agreement, if a third party shows up and makes changes to the written document, the ones who agreed to the written contract suffer the consequences for non-compliance, as Nagi and Rafira found out when a mouse ran over Rafira's written contract, changing her "slavery debt" from 450 arsha to 11,450 arsha.

All we ask is that you rescue Cecil.
The collected spirits of "Demons" who speak to Nagi and ask him to buy Cecil.
  • Bit Character: Shows up at the start of the story, guides Nagi to Cecil, and then is never seen or heard again once Nagi buys her.
  • Dark Is Not Evil: Manifests as a bunch of shadows, but is invariably good and kind.
  • God's Hands Are Tied: Can not interfere with the world directly, so chooses agents to do its bidding.
  • I Am Legion: Is composed of all the souls of "demons" like Cecil, who have already died.
  • Small Role, Big Impact: If not for Astarte, Nagi's prospects in this new world would have been quite grim, and Cecil would still be a "useless Dark Elf" slave, waiting for death in a cell.

    Goddess Iturna 
The goddess of the Iturna Cult.
  • Fantastic Racism: while her stance on human supremacy is not clear, her cult is human supremacist.
  • Healing Hands: She gifts her followers with all forms of healing magics and skills.
  • Seven Heavenly Virtues: Charity. Her biggest driving principle and doctrine is to help those in need, regardless of race, human, demi-human, beast-kin, or even demons.

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