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Main Protagonist

Kimihito Kurusu

Voiced by: Junji Majima (Japanese), Bryson Baugus (English)

The protagonist; the host of Miia, Papi, Centorea, Suu, Meroune, Rachnera, and Lala; and the guinea pig for the inter-species marriage amendment to the exchange program.

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• Above the Influence: Despite the various advances by the girls, he never takes advantage of them sexually (though he does find himself giving in to things like squeezing them if they make him touch them). Of course it also slightly helps that they're usually displaying Clingy Jealous Girl behaviors to prevent any one of them from getting too far ahead of them regarding a relationship with him. Even when Lilith, a lesser devil, outright hypnotizes him into giving in to his desires, he still smacks her upside the head and says how wrong that is^note Although that's because his uninhibited desire is to have girls follow Japanese customs of decorum (he also thinks Lilith is a child and thus should not act in an erotic manner), not because he resists Lilith's hypnotism.
  • Played With further when the melusine fail to properly arouse him, simply because they were forward to such an extreme that it actually turned him off. Conversely he's often more susceptible to teasing, heartfelt gestures, as well as spontaneous/unplanned erotic situations. Likewise, him enduring a night in a room full of amorous lamia without removing his chastity belt is explained by Rachnera as being more due to nervousness than an iron will.
• Accidental Pervert: All the time. Though he gets beat up for it less than you'd think: most of the girls are either regularly trying to seduce him or not at all averse to the idea, and thus want him to act like a pervert.
• Affectionate Nickname: Even though the readers know his real name, the girls often make him Only Known By His Nickname, as demonstrated by the following:
  • Miia calls Kimihito "Darling" (in Engrish)
  • Papi calls him "Husband" ("Boss" in the English manga, "Master" in the anime − in Japanese "Goshujin" can mean either husband or master)
  • Centorea calls him "Master" ("Milord" in the English manga; "Aruji" is an Antiquated term that is characteristically used by vassals to their overlords); Suu does as well, but in Gratuitous English
  • Meroune calls him "Sir" ("Beloved" in the English manga, "Master" in the anime; "Danna-sama" is an incredibly polite and reverent way to say "master of household" or "husband.")
  • Rachnera calls him "Honey", also Gratuitous English
  • Ms. Smith calls him "Darling-kun" to pick on him.
  • Doppel calls him "Bae"^note Short for "Before anyone else" in American English slang. Not to be confused with the Korean surname. (in Japanese, she calls him "Kareshii")
  • Manako calls him "Dear" (in Japanese, she calls him "Kareshi-san")
  • Tionishia calls him "Sweetie" ("Snookums" in the English manga; in Japanese, she calls him "Kareshi-chan," meaning "Boyfriend-chan")
  • Zombina calls him "Babe" ("Loverboy" in the English manga; in Japanese, she calls him "Kareshi-kun")
• Alliterative Name: Kimihito Kurusu.
• Always Save the Girl:
  • He actually racks up a pretty surprising number of crimes while protecting the girls from random people, the government, and themselves: assault, lying to the police, harboring an illegal alien, stealing a truck, etc. He gets away with it because A) his intentions are selfless, and B) Ms. Smith is more than willing to look the other way on a lot of things.
  • In chapter 15, he actually thinks that this has finally caught up with him, assuming that the police are after him for attacking the director, not even considering that it might actually be Rachnera they were after.
• Ambiguously Human: For the most part the story considers him one, at least as far as the law and how everybody sees him is concerned. However, there have been several scenarios throughout the story - being so Made of Iron that he often puts other Made of Iron characters in manga to shame, including baffling the doctors examining him by having zero lasting damage on his body despite constant life-threatening injuries he suffers; showing occasional bouts of potentially inhuman strength; and quite literally coming back from death multiple times on sheer willpower) - all of which is near-absent from other regular humans in-story, which can make it rather questionable how human he really is.
• Bad "Bad Acting": Chapter 40 shows that Kimihito is not very good at acting.
• Badass Normal: While he's your average human (for certain values of "average"), he quite often goes out of his way to assist and protect the girls in dealing with far less pleasant humans in incredibly impressive ways, often with a Megaton Punch.
• Berserk Button: As revealed in the volume 6 omake◊, the girls had never seen Darling so angry until Lala played with her food instead of eating it. Miia and Papi witness a major scolding so terrifying that they'll wash their dishes without complaints.
• Beware the Nice Ones: Perfectly civil and friendly with people he has no problem with. If you mess with his friends, however... Well, see the page picture of the Awesome Moments page.
• Blank White Eyes: Pretty much the default setting for his eyes. The only time when you see his actual eyes are when he's shocked or being serious, which occurs more frequently as the story has progressed, though still not more often than the blank eyes.
• A Bloody Mess: In their excitement, Miia, Papi, and Centorea tackled Kimihito when he was rummaging through the fridge. Cue him lying on the ground with red liquid pooling around him. Turns out it was only ketchup, but the girls were horrified.
• Breaking the Fourth Wall: Does this in chapter 8 after Centorea says she'll protect him from the slime.
  Kimihito: I haven't seen this in a while. Since chapter 4, I think?
• Brick Joke: His mention of having a leg fetish from an extra gets brought back up again in chapter 15. Rachnera assumes that her spider half disgusts him, and that he was only turned on from her human-like parts. He insists that she's wrong, that her legs are actually very charming, followed by "leg man" showing up by him in sparkles.
• Butt-Monkey: He always gets caught in his harem's antics or gets hurt as a result of their aggressive affections.
• Cathartic Scream: Shoves his head inside Suu's body and screams at the top of his lungs when he learns that The Organization will cover all living expenses, basically meaning he put himself through hell all throughout chapter 25 for nothing.
• Celibate Hero: At first, he is explicitly forbidden by law from having sexual contact with any of the girls living in his house, and—with very little exception—it's the girls who push to start one. Even during the initial "marriage" subplot, his first impulse was to turn Ms. Smith down rather than take advantage. That being said, he seems to find all the girls quite attractive (each with great qualities) and would have willingly consummated things with Miia some time ago had circumstances not intervened. Yes, they come onto him, but he has a tough time really being against it. By chapter 30 he outright admits to himself he would like to be married to any one of the girls, which makes the idea of choosing all the harder.
• Charles Atlas Superpower: In Chapter 27, Miia's mother expresses surprise that he was able to drag both her and her daughter; the latter alone is implied to weigh around 400 kg (882 lbs) in the Volume 1 profiles. He points out that he needs to further develop this eventually, to gain the Stone Wall-level durability needed to survive the Destructo-Nookie on his wedding night if he's with any of the more careless girls.
• Chick Magnet: Initially you could count the girls who weren't interested in him on one hand, though this number has increased substantially as the manga progressed.
• Chuunibyou: He was one once. He prefers not to talk about it, although his melodramatic reaction to breaking a minor law in chapter 15 seems to indicate that he hasn't completely left it behind.
• Covert Pervert: Yes, he has incredible self-control in regards to the girls coming on to him, but he's been inflicted with numerous Nosebleeds, and his inner monologues (among other things) make it plain that not only does he notice the girls' various attributes, their advances are resonating with him. And according to one of the anime shorts, he keeps a porn stash under his mattress.
• Crazy-Prepared: When Suu is on her water-absorbing (and orgasm-inducing) rampage in chapter 10 she leaps at Mero. Kimihito immediately produces a large plastic garbage bag to catch her mid-flight and contain her.
  Kimihito: I really am used to this...
• Crouching Moron, Hidden Badass: Chapter 14 marks the second time he's laid out a grown man with one punch, both brought on by the recipient of said punch antagonizing one of the girls in some way.
• Determinator: While he could be said to have this in general, it's taken to an extreme in chapter 30. Determined to accept all the girls' feelings, he decides to not tell them to stop when they go too far. This results in multiple near-death experiences, which he apparently only survives because he is so determined to accept all the girls that he refuses to die. According to Lala, he was doing the same thing during his close calls in previous chapters, and it was one of the things that caught her attention about him. It seems to literally be a super-power that Lala doesn't really explain. However, his body can't keep up with his determination, so he is now working on strengthening it.
• Dope Slap: Delivers a karate chop to both Miia and Mero right between the eyes during their race in Chapter 17, as he gets them to remember "We came here to get healthier, not hurt ourselves!" (This was because the pool cooled Miia's body to where it was torture to move, and the chlorinated water was suffocating Mero *she was breathing through her gills*.)
• Dude, Where's My Reward?: He just barely manages to save Suu's life and Papi calls out to him, flying in like she's going to hug him, and goes right past him to hug Suu. Made even meaner by the fact that he managed to hijack the nearby racist pair's truck, get it off the bridge, and into the river below to catch Suu, in a matter of seconds.
• Extreme Doormat: He will go along with anything Ms Smith or any other authority figure tells him to, no matter how ridiculous, mostly because he's so nice. He also has problems saying no to attractive women, though he's mostly managed to break the habit when it comes to the girls living with him, though he can fall back into it whenever he runs into someone else.
• Fanboy: Maybe: he's in no way an Otaku, but he has shown on a number of occasions he has a solid knowledge of Anime and Manga: he's referenced Jojos Bizarre Adventure, Air, and Puella Magi Madoka Magica among others.
• Fatal Flaw: Indecisiveness and a need to please everyone.
• Fee Fi Faux Pas: He tries very hard to avoid this. An extra in Volume 3 has him worrying about what kinds of food he can bring into the house anymore, assuming he has to stop buying chicken, chicken stock, fish, fish broth, and canned tuna due to Papi and Meroune. Mero's fine with fish, as seaweed alone is not a good diet and compares fish for mermaids to cows and pigs for Humans, and Papi is "totally okay with cannibalism".
• Friend to All Children: During chapter 38, he played regularly with the hospitalized children while the doctors tried to figure out just what kind of condition allows him to survive everything he goes through. Partly because he was bored being confined to bed-rest, partly because, hey, they're sweet kids.
• Funbag Airbag: This happens when he first meets Mero.
• Got Volunteered: Ms. Smith pretty much just dumps "problem cases" at his house. Of the girls he deals with, only Miia and Meroune are actually "normal" homestays (for a given definition of the word, given the former's repeated attempts to break the rules to sleep with him and the latter's special needs due to her biology). All of the others are either chronic runaways (Papi, Lala), have past histories of violence (Centorea, Rachnera) or just in an extremely legally problematic situation (Suu) that are left with him because of his proven ability to keep house with even difficult personalities. To make it worse, she first dropped Miia with him by mistake, and he was too much of a Nice Guy to kick her out. Everything sort of snowballed from there. To complicate matters further, when Miia, Papi, and Centorea were still the only ones living with Kimihito, Smith matter of factly states that due to the fact that many human hosts and monster guests are inevitably going to get romantically involved the current rules need changing, so the government has started a pilot program in which a number of human-monster couples would be allowed to marry to test whether such unions would work. Smith tells the group that she submitted Kimihito's name as the groom in one of these unions, and Smith advises him to chose one of the three girls living with him at the time to marry so she can submit a name for the bride half of the union, and things became even more muddled as more monster women moved in with him.
• Has a Type: In the omake at the end of Volume 1, the girls ask him what his "fetish" is, and he eventually admits what he's got a thing for: Not waists (Miia), not breasts (Centorea), and not butts (Papi). It's legs. Which gets punctuated by Ms. Smith going "Oh, that's me!", and later becomes truly official when Rachnera debuts in the actual story (which indicates that the kind of legs doesn't matter to him).
• Hollywood Healing: He's endured cuts, a dislocated arm, broken bones, and a broken neck (albeit the latter two are assumed injuries rather than ones actually stated in the manga), yet in Chapter 38, his medical examination didn't find any sign of his injuries at all. The guy's got a Healing Factor you'd expect from a superhero.
• Honor Before Reason: Defending Zombina from harm, despite the fact she doesn't need the protection, because the fact she's a girl in danger matters more than her being a zombie.
• House Husband: He enjoys cooking, cleaning, and sewing. His skills are useful when the monster girls get clothes that need adjusting.
• Imagine Spot: Kimihito has one where he almost consummates his relationship with Miia, only for a SWAT team to break into his house and point guns at him. The next chapter, when they end up in a love hotel, it actually happens. And during the girls' full moon driven heat he gets one that shows what would happen if he broke down and let the girls have their way with him when they are unable to control their strength. It ain't pretty. He also recognizes Lala's overactive imagination because it was something he used to do himself when he was young.
• Imagine Spotting: Kimihito can apparently see and make remarks on Miia's fantasies about him.
• Incorruptible Pure Pureness:
  • When Lilith attempts to hypnotize him into losing his inhibitions and releasing his deepest desire, he ends up getting hypnotized into demanding she stop it with the seduction already. Because it turns out his deepest desire in fact is girls who dress and act modestly.
  • Subverted in the Serpentine tournament against the Melusine tribe. When the Melusine finally get his underwear off, they discover he doesn't have an erection and believe he is a "pure soul" who can't be sexually attracted to anyone but his true love. In reality, Kimihito just finds their excessive crassness to be a turn off.
• Invulnerable Knuckles: Considering how durable the guy is, it's notable that he doesn't seem to have these: after clocking the racist guy, the anime version shows that his fist is clearly raw, and in the very next scene Smith is treating him; he didn't brace his wrist properly and ended up hurting himself as much as the guy he punched.
• Iron Butt Monkey: In true form. Lala's debut is a giant lampshade of this. Chapter 30 reveals he's not so much invulnerable as he's so determined that he somehow refuses to die, which somehow brings him back largely unhurt.
• Kubrick Stare: He combines his usual Blank White Eyes with Dull Eyes of Unhappiness and Hidden Eyes while looking at the Director this way after punching him out. Ignore what he's saying at the time and it'd seem like he's about to outright murder the guy. The second Miia talks to him though, he switches back to his usual cheerful Blank White Eyes look.
• Made of Iron: Good thing too, as the guy takes a hell of a lot of physical abuse between the girls, even if they don't mean to hurt him.
  • Hilariously lampshaded in Chapter 38. All that abuse and potentially lethal injuries did not even leave a dent on him, utterly confusing the doctors.
• Meaningful Name: His given name can be translated to "public figure", as in the guinea pig to see whether or not the interspecies marriage amendment to the Cultural Exchange Between Species Law is viable or not. His name also carries the kanji for "person" in it (人, hito), giving him a name that puns off him being the Token Human of the group. Incidentally, 主公人 looks like 主人公 (shujinkou, "main character"), and his family name basically means "where people come and stay".
• Megaton Punch: As shown in two separate moments, he has a mean right hook.
• Mistaken for Racist:
  • Because she's running off of what she heard from the director, including the false belief that he had smashed Papi's egg into the director's face rather than a chicken egg, Rachnera assumes that he's just pretending to be a decent person but actually discriminates against extraspecies.
  • The assumption is made once again by Manako, as most people are apparently never willing to directly look at her out of annoyance or fear. When he's able to look her directly in the eye (and rather easily, at that) she begins to panic in embarrassment.
• Near-Death Experience: He has had several through the series. He even sees part of the afterlife in Chapter 30 where Lala is waiting and watching. It turns out his experiencing these for completely noble and selfless reasons is what drew her to meet him in person.
• Nice Guy: The driving force behind each of the girls falling in love with him, and the reason Ms. Smith keeps leaving "difficult" homestays at his house: Kimihito can get along with anyone. Unfortunately, this is Deconstructed as well: the trait is also his biggest weakness in that it can make him incredibly indecisive, as he tries to please everyone. Also, as Rachnera points out, he's less willing to put his foot down than he usually should be, and he often gets hurt because he's not willing to set boundaries for fear of hurting their feelings. And while he usually finds a way to make it work and make everyone happy, the issue of finding a girl to marry is a whole 'nother ball game... An extremely important way this functions in the story is that if he chooses one of his girls he'll hurt the other six, which he absolutely can't stand to do, thus leaving him in the position of not ending the story while under increasing pressure to end the story.
• No Guy Wants to Be Chased: A variant. Kimihito is most resistant to overly aggressive advances. The melusine actively turned him off due to their extremely raunchy attitudes.
• Oblivious to Love: Averted: he's well aware of the girls' feelings and tries his hardest not to hurt anyone's feelings or show blatant favoritism to any of the girls at any time. He also freely admits to himself that he'd enjoy being married to any of them.
• Old Shame: In-Universe: he had a wild imagination in middle school. This helps him later in life to identify Lala's death talk as just delusions. When questioned by Ms. Smith if he was like that as well he tries to deny it.
• Only Known by Their Nickname: His actual name is mentioned only once or twice, otherwise it's always one of his nicknames. This trope has gone meta, with many readers only remembering his nickname.
• Only Sane Man: As is standard with a harem-genre protagonist. Doesn't help that the only authority figure we've seen so far is little better than his harem.
• Papa Wolf: While he's not biologically related to any of the girls, he fills this role quite nicely, being the caretaker for all of them, having somewhat paternal relationship with them, and being willing to clock anyone who tries to hurt them.
• Please Put Some Clothes On: He gets really uncomfortable around naked women. When Lilith tried to seduce him by stripping, he repeatedly told her to put some clothes on. When Doppel offers to do anything he wants, his only request is for her to wear actual clothes. Which embarrasses the hell out of her.
• Screw Destiny: Immediately after his Tempting Fate, he walks out into traffic, and nothing hits him (except the little remote-controlled truck that bounces off his leg).
  Kimihito: Got it? There's no such thing as fate! And seriously, I'm on the brink of death every single day!
• Super-Strength: Maybe not to the degree of some monsters, but dragging over 800KG while under the affects of an aphrodisiac? Hard to tell who is the real monster there.
• Supreme Chef: He's described as a very good chef by Smith in chapter 17, though we don't get to see any of the things he makes until Chapter 25. Happens again in Chapter 35, where he manages to make some impressive dishes out of stingrays of all things.
• Taking the Bullet:
  • Takes an attack from a fake sword meant for Centorea.
  • He also takes three tranquilizer bullets in chapter 5, when he jumps in front of the girls.
  • Takes a hit from Shiishii while defending Zombina in chapter 39.
• Teeny Weenie: The subject of several jokes in Chapter 31, though whether or not it's due to the cold weather is up for grabs. On the other hand, in chapter 27, Miia's mother gropes his crotch and seemed to have no grounds for complaint.
• Tempting Fate: In Chapter 24 he says several things in rapid succession that get called Death Flags in order to disprove Lala's claims.
  Kimihito: You guys are way too gullible!... In the first place that girl's not even... hmmm... Miia. If, IF I make it back alive, we're getting married! I'm not sticking around here! I'm going home! I'm not afraid of anything anymore!
• They Killed Kenny Again: According to Lala in Chapter 30, he's repeatedly died, but come back to life every time.
• Tiny Guy, Huge Girl: When next to Centorea, Rachnera and Tionishia in any case. He's shown to be fairly average height, though a bit on the shorter side.
• Understanding Boyfriend: Alien biology, controlling potential in-laws, repeated painful accidents- he takes it all in stride, with patience and implicit faith in the girls' good intentions.
• The Unfair Sex: Despite the fact that the law is very clear about sexual intercourse in the host home, Miia and the others all routinely make passes at or otherwise force themselves onto Kimihito. He is usually the one taking all the heat and being repeatedly reminded and threatened about the consequences, and yet the girls are never reprimanded for their behavior or told to have any sort of self-control, except by one another... and usually as part of a Hypocritical Humor gag. The jokes and reminders end up being abandoned as the series progresses and the government becomes more accepting of how relatively little control they can actually exert over the monster's libidos.
• Unfazed Everyman:
  • With a few exceptions, he is a largely open-minded and tolerant individual who takes the many bizarre things that happen to him more-or-less in stride. Most of the girls find this very attractive, even when they don't live with him or fall for him.
  • Even being hooked around the neck with a scythe merely registers to him as "something was off", and he casually turns around to find out what it was about.
  • Exceptions seem to include when his household responsibilities are threatened (i.e. the prospect of not getting enough food for everyone really upsets him), as well as the girls acting out of character (he outright panics when Papi begins explaining in detail harpy society and the situation with her mother).
• Unluckily Lucky: On one hand, he regularly survives grievous injuries with no lasting effects. On the other hand, a person that was really lucky wouldn't get those injuries in the first place.
• Unwilling Suspension: Rachnera does this to him twice. Once while he was unconscious, letting him down when he mentions the blood flowing into his head, and again shortly after, rigging the webbing so that if he spit out her webbing he'd fall. She does it yet again to him in chapter 30, though under purely playful conditions.
• Workaholic: He's so used to doing housework all the time that he's actually uncomfortable when he doesn't have anything to do. When the kitchen staff in Chapter 35 were in jeopardy, he immediately helps them out, cleans several stacks of dishes, and even asks if there's more he can do. This prompts Rachnera to call him a workaholic.
• Your Days Are Numbered: Lala arrived to inform him that he's currently on the brink of death. He's fully aware of it, as he's on the brink of death daily. He's also aware it's just an act, and that she's not really a grim reaper, just a silly dullahan with a wild imagination... Or not.

Monster Girls Living With Kimihito

In General

• Big Eater: To varying degrees, but between all of them Kimihito has a LOT of cooking to do. Granted, Miia, Centorea, and Rachnera are all decidely larger than humans and as a bird Papi probably has an extremely high metabolism.
• Chromatic Arrangement: The first three girls are the redheaded Miia, the blue-haired Papi, and the blonde Centorea.
• Clingy Jealous Girl: Miia is the most overt case, but most of the others have shown this to varying degrees.
• Cute Monster Girl: All of them are a type of monster (lamia, harpy, centaur, slime, mermaid, arachne, and dullahan), but they're all attractive girls with human-like features.
• Does Not Know Her Own Strength: Everyone but Mero, Rachnera and Lala have difficulty holding their strength back, which often results in Kimihito being injured. When Lunacy strikes Miia, Papi, and Centorea at the same time, they all suffer from this, thus leaving Kimihito facing a very real risk of literally getting killed during intercourse if the temporarily lust-crazed girls manage to capture him long enough to have their way with him.
• Foil: Miia and Meroune, Papi and Suu, and Centorea and Rachnera. This gets played up in the various date chapters.
  • Happens again in the vacation chapters, only with different combinations. This time, it's: Miia and Rachnera, Centorea and Papi, and Mero and Suu.
• From Roommates to Romance: They all live at Kimihito's house due to the exchange program that allows liminals to live with human families. Soon enough, all of Kimihito's female monster housemates fall in love with him.
• Furry Reminder: Every now and then, the monster girls nod back to the quirks of their respective animal biologies. Centorea is a vegetarian, Meroune gets sick from swimming in chlorinated water due to her gills, Miia is cold-blooded and gets lethargic when exposed to cold temperatures, etc.
• Limited Wardrobe: Played with. Due to the obvious differences between humans and extra species all the girls except Lala are fairly limited in the type of clothes they can wear, if not their number of outfits. Played straight with Centorea, Suu, and Mero, but even then this is slowly being averted.
• A Lizard Named "Liz": Their names are all indicators of their species, but not exact matches. Their names may contain part of their species name, or vice versa:
  • Miia the Lamia
  • Papi the Harpy (at a stretch)
  • Centorea the Centaur
  • Suu the Slime (named by Papi for the Japanese pronunciation of Su-li-mu)
  • Meroune the Mermaid
  • Rachnera Arachnera the Arachne (doubling as a repetitive name)
  • Lala the Dullahan
• Ms. Fanservice: All the girls to one degree or another, for a variety of fetishes beyond just being monster girls:
  • Miia: Tsundere and jealousy
  • Papi: Ageplay and innocence
  • Centorea: Strength and tradition
  • Suu: Power Perversion Potential and innocence
  • Meroune: Tragedy (especially cuckold and cheating) and Elegant Gothic Lolita
  • Rachnera: Bondage and domination
  • Lala: Together in Death and Geeky Turn-On
• My Significance Sense Is Tingling: When Rachnera arranges to move in, it cuts back to the house showing Miia, Centorea, Meroune, and Suu looking horrified, and the first three all thinking "I just got the feeling another rival is about to show up...". Papi, as usual, seems to either not notice or not care.
• No Sense of Personal Space: Oh so much, but particularly Miia.
• Pretty Freeloaders: They all live with Kimihito and usually have him do all the household chores and cook for them. Over time, they try to do more work around the house, but their unusual bodies and just plain ineptness in some cases mean trying to do chores just makes more work. They can at least be pretty good at simple cleaning, as shown when they were preparing for the mothers to visit. As of Chapter 43, only Lala, Papi, and Suu play this straight, as the rest of the girls either have jobs (Miia, Centorea, and Rachnera) or personal wealth (Meroune) that allow them to pay him back. Subverted in the Girls on the Job light novel, where Papi, Suu and Lala take part-time jobs as part of a government initiative to integrate demihumans and humans in the workplace, with the former being an Idol Singer and the latter two being nurses.
• Rescue Romance: So far Kimihito has, at least once, ended up rescuing or protecting each member of his harem. Each time either being what caused them to fall for him or, in the event that they already had, to display their affection much more openly.
• Sanity Ball: Usually one of the girls plays the straight man with Kimihito, but who depends on the situation. All of them have their own quirks that are suppressed when the situation requires it.
  • Centorea generally plays the "reasonable" and evenly-tempered girl of the lot, trying to not push Kimihito around as much as the others despite her occasional Mero-like lapses into fantasy delusions (of knighthood). In Chapter 12, she more or less spends the entirety of Miia's jealous rampage pointing out just how crazy she's acting. And in Chapter 31, she's the only one who suggests a plan to save the hot springs resort that's actually quite sensible.
  • Rachnera, bondage aside, is more level-headed (and less prone to flights of fancy) than Centorea, and never joins in squabbles over Kimihito unless it involves an opportunity for her to try to ravish him.
  • Finally, Lala is generally a "normal" girl who is trying to avoid some of the absurd situations the group frequently find themselves in, her own implied delusions of grandeur nonwithstanding.
• Single Woman Seeks Good Man: Each of the girls fell in love with Kimihito by his acts of kindness:
  • Miia: The first human she met outside of the exchange program officials/agents (who don't count, as they're probably keeping a strictly professional distance), whose first reaction to her was not to shun her for being a monster girl, but to be concerned about her getting cold due to her snake-like physiology^note So much that the first actual thing he does for her on her first day in his house is get her a big blanket to warm up the snake part of her body, because she was obviously discomforted by the air conditioning..
  • Papi: Saved her from a fall while she rescued a child, as well as lied to a police officer that he was her host to prevent her deportation.
  • Centorea: Took a sword slash for her against a mugger while she was unarmed and stunned.
  • Suu: Despite appearing out of nowhere, cared for her as one of his own, even going as far as saving her from a rainstorm.
  • Meroune: Saved her from her runaway wheelchair as well as a moisture-hungry Suu, all before she revealed herself as a mermaid and his newest resident.
  • Rachnera: Treated her like a normal girl, in spite of her appearance, and refused to assume the worst of her in a very dangerous situation.
  • Lala: As a Made of Iron Butt Monkey, Kimihito's resilience, strength and determination to overcome death with or without her help got her attention. His compassion, kindness and selflessness for everyone clinched it, though.
• Themed Harem: They're different kinds of Cute Monster Girls and they all love Kimihito.
• The Three Faces of Eve: All of the girls occasionally take on other aspects, and as the harem grows and they start trying to compete pinning one trait to any one of them becomes pretty much impossible, but upon their introduction, the first six girls are introduced as one of the three:
  • The Child: Papi is joyous, absent-minded, and a bit naive. Suu is introduced as being the least developed in experience, and copies much of her personality from Papi.
  • The Wife: Centorea is incredibly honorable and chivalrous, as well as unerringly loyal to Kimihito. Meroune is reserved and the most "lady-like". Both come from more "traditional" cultures.
  • The Seductress: Miia and Rachnera are both very flirtatious, with Miia being possessive of Kimihito and Rachnera being prone to trap him (or anyone) in bondage.
• Tiny Guy, Huge Girl: Several of the girls dwarf Kimihito by size, generally through their full length (Miia, Mero) or through body mass (Centorea, Rachnera). Suu in adult mode is a more straightforward example.
• Vitriolic Best Buds: Despite their fierce competition for Kimihito's heart, they are for the most part friends (Centorea and Rachnera aren't too fond of each other but respect each other). Papi and Suu in particular are inseparable. The group's comraderies grows over time to where they readily will stick up for each other against outsiders even while still competing with or sniping at each other. The group basically becomes a somewhat dysfunctional family.

Miia

Voiced by: Sora Amamiya (Japanese), Allison Sumrall (English)

Miia is a lamia and the first girl that Ms. Smith just dumped off on Kimihito. It didn't take long for her to fall in love with him and she has little problem turning on the charm to try to get him to make a move.

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• Accidental Pervert: In Chapter 31, she accidentally grabs Kimihito's towel while they were in the onsen, exposing him to everyone. She's clearly sorry about it.
• A-Cup Angst: Despite having what is a decent-sized rack by human standards, Miia doesn't take too kindly to larger-breasted women coming across Kimihito; she once even accused Centorea of attempting to seduce him just because she was wearing a skimpier bikini top than what she would usually wear.
• And Call Him "George": Kimihito is constantly injured by the affections of Miia, who constricts him hard with her tail every time she hugs him.
• Animal Eyes: She has slitted snake pupils, a normal trait for lamiae.
• Balloon Belly: Gets one at the end of chapter 59 after eating sweets during a mini vacation.
  • She gets another one in the first volume of the I Heart Monster Girls anthology series after gorging herself on sweets.
  • In the fourth volume Lala imagines Miia with a very fat belly after stating she thinks Miia will one day devour everyone in the house.
• Be Careful What You Wish For: Wanted to be princess-carried by Kimihito in Chapter 12. Cerea points out that it would be impossible (due to her weight). She gets her wish anyway when he has to rescue her from the bottom of the pool.
• Blatant Lies: Claims that the Homestay Rules clearly state that the first girl to begin their stay at a home has privilege, basically saying she has officially sanctioned first dibs on Kimihito. Centorea calls bull, but Papi buys it.
• Boob-Based Gag: Both Cathyl and Merino thought that Miia was a mother because of the size of her breasts.
• Characterization Marches On: Miia came off as much ditzier when she had Kimihito all to herself (particularly in her complete inability to recognize when her tail is squeezing too hard), with her temper and ego becoming a more prominent trait with each new girl in the house.
• Clingy Jealous Girl: She really hates it when other girls get close to her "Darling". It gets worse with each new "rival".
• Cordon Bleugh Chef: Miia has an incredible lack of judgment in cooking. Her recipe for white rice gruel includes things such as white peach, white icefish, and white chocolate (in other words, ingredients chosen simply because they were white). Later, she added peanut butter to miso soup on the basis that she thinks it looks like miso. Just one of the reasons she's the Lethal Chef in residence.
• Cuddle Bug: Miia's cold-blooded, and likes snuggling with warm-blooded people (usually Kimihito) to get heated up. Unfortunately, she tends to forget that she shares features with animals that literally crush prey to death doing this and needs to hold back her strength, much to Kimihito's pain and dismay.
• Cute Little Fangs: Really prominent when her cuteness factor is high. Her open mouth is usually drawn with a single upper canine visible.
• Declaration of Protection: Towards the beginning of episode 2, she declares that nothing bad will happen to Kimihito on her watch. She's obviously quite unsuccessful as basically seconds later, Papi flies off with him.
• Delayed Reaction: At the start of episode 6, it takes a few seconds for her to actually react to the fact that she's holding a boiling pot.
• Disappeared Dad: An omake reveals her human father ran off soon after being forced into impregnating her mother (he simply hated snakes too much to stick around, the lamia's sexual skills and beauty not being enough to keep him there). This does not appear to have caused Miia any real problems though, as there is no evidence that lamia fathers are expected to play any major role in their daughter's lives (since they traditionally end up having a lot of daughters).
• Does Not Know Her Own Strength: Miia tends to strangle or constrict Kimihito to the breaking point by accident. Kimihito even reacts to her friendly pats on the back like he's getting punched. Then there's the shedding scene. Pop goes the spinal column. You could make a drinking game of the number of times Kimihito has been accidentally hurt by her. Interestingly as time goes by there are building indications that this is indeed a Miia problem rather than a Lamia problem. That is we see again and again other lamias coiling up men (including Kimihito) but none of them have done any damage (and indeed lamias in general glorify how good it feels for a man to be coiled up by them, to the point of it even being addictive). Perhaps Miia's shyness as a child kept her from learning how to be intimate with humans safely.
• Expy: She's based on the original Magical Girlfriend archetype, Lum from Urusei Yatsura. Just like Lum, Miia is a pointy-eared non-human who one day appeared in the life of a normal boy for pretty much no reason and fell in love with him so much that she plans to marry him even if he resists; both call the object of their affections "Darling"; both are very sweet and cuddly but also a Clingy Jealous Girl and prone to hurting the target of their affection (Miia with her snake body, instead of Lum's electric discharges); their sense of taste is totally different from a human's and thus their cooking is terrible. Finally, both like to go around half-naked when not wearing the latest fashion fads.
• Extreme Omnivore: She can eat her own cooking without any negative effects, partly because, as a carnivore, her sense of taste is so weak compared to most of the cast.
• Fangirl: Of the Metal Gear series, if her frequent cosplays as Solid and Naked Snake are any indication.
• Fanservice Pack: When the series started, Miia's scales extended up around her "hips" in the rear, but eventually these scales were scaled back to give her a more human-looking "butt."
• Fantastic Arousal: Her tail, specifically the tip. She was also very clearly aroused when Kimihito helped peel her scales off while shedding. The first chapter has Kimihito accidentally do this when he grabs her tail tip in an attempt to get her off him, then intentionally do so when he realizes it may force her to loosen her grip on him.
• Faux Action Girl: Though she has Super-Strength and appears to have at least some martial arts training, Miia is generally shown to be helpless any time she gets caught off-guard (such as when Draco tries to kidnap and rape her).
• Fiery Redhead: The most passionate and romantic of the girls in Kimihito's harem, and the only redhead in it.
• First Girl Wins:
  • While nothing has been set in stone, she is the favorite of both the majority of the fanbase and the author, and she's the most open to Darling. Really, it's more that she's built up to be the winner enough that her not winning would seem more contrived.
  • She invokes this herself to the other guests (see Blatant Lies above).
  • This seems to be the case as of Chapter 24, with Kimihito telling her if he survives he's going to marry her. It was most likely not serious, as it gets pointed out immediately after he's saying multiple things in rapid succession that are all Death Flags.
• Freakiness Shame: She shows embarrassment when Kimihito sees her shedding. "Darling" tells her A) it's natural for her to shed and B) he's already seen her naked and this is less embarrassing for both than that (except it's not as most Lamia find being seen shedding far more embarrassing than nudity).
• Girly Bruiser: Well, considering that she's an extraspecies, the incredible strength is a given (most of her internal organs are assumed to be in her human torso, leaving her snake part to being almost entirely muscle and bone). Miia however has proven herself to be capable of climbing trees, and judging by a couple of scenes where she goes into stances before a fight she apparently knows some manner of martial art. She's even a capable enough swimmer to keep up with a mermaid, though that was very reliant on clever tricks rather than pure athleticism.
• Godiva Hair: In the anime (the manga freely displays nipples), her hair is used to cover her breasts occasionally.
• Hair Color Dissonance: Her hair is between pink and orange and can lean closer to one or the other Depending on the Artist.
• Hellish Pupils: Her snake-like slitted pupils become much more prominent when she's mad — or really deep in full moon-induced lust.
• Hoist by Her Own Petard: Drastically lowers the temperature of the room she's currently in to try to make Mero uncomfortable. She's the only one who has any issues with the cold. Papi and Centorea aren't sure if she was going to kill herself or just end up hibernating, but Kimihito fixes the temperature before they can find out. And to put the cherry on top, Mero is completely unaffected.
• Hot-Blooded: Despite being physically cold-blooded, she's extremely passionate about what she does (i.e. wooing Kimihito). Ms. Smith even mentions it's a trait with lamiae.
• Human Furniture Is a Pain in the Tail: A variation. She tries getting a job at a small convenience store but is rejected not because of her resume not meeting their standards, but the fact her tail is too long and would be a major trip hazard. In the room she interviews in, her tail went around the perimeter.
• Hypocrite: In episode 3 after spotting a horseshoe mark on Kimihito from Centorea for accidentally walking in on her naked, she gets mad at her and goes on about how "non-humans aren't allowed to harm humans", completely forgetting the numerous times she's injured or nearly choked Kimihito to death. Centorea is also quick to lampshade this by mentioning the time she dislocated his shoulder.
• Imagine Spot: Miia does this a lot, but the one in Chapter 3, where she remembers an event in the previous chapter but modifies Kimihito into a Hot-Blooded and badass hero complete with Hand Wraps Of Awesome, probably takes the cake.
  Kimihito: Is that supposed to be me?!
• Immodest Orgasm: And before you're even ten pages into the story, too. Namely she very obviously climaxes from Kimiito stroking her tail in an effort to get her to stop constricting him in her sleep. This works to wake her up and release him, though also makes her briefly squeeze even harder in the midst of the actual orgasm.
• In Love with the Mark: While she's not an assassin, her mother's chapter reveals she was sent out on a sinister mission. Namely to capture a human male so that he could become the community's sex slave. However, Miia decides fairly quickly that she wants Kimihito for herself.
• Lethal Chef:
  • Her cooking is the stuff a chef's nightmare's nightmares have nightmares about. Kimihito, Papi, and Centorea find this out the hard way when Miia, trying to "teach" herself how to cook (by "emulating" what she saw from Kimihito's own cooking in the kitchen), tests her culinary creations on Papi and Centorea, and incapacitates them for an entire chapter. Kimihito initially assumes that the food she made was traditional lamiae cuisine and ate it all.
  • In chapter 13, Meroune eats some of her food, and the taste brings to her mind the idea of how it would feel to have her fins torn apart. (In context, it's a reference to the Sea Witch's potion in Little Mermaid, which is what Mero's subconscious opinion of the meal is - i.e it's an incredibly dangerous, painful concoction you probably shouldn't put into your mouth.)
  • Chapter 25 provides an explanation for Miia's horrible cooking: as a carnivore, Miia's sense of taste is far less sensitive than a human's, making it difficult for her to judge the quality of her cooking.
    • Although her abysmal judgment when it comes to following recipes and just throwing in whatever ingredients certainly doesn't help. Seriously, things like fish bones and tentacles sticking out of the pots with skull-shaped clouds of smoke rising up from her culinary efforts should at least give her a clue that she's doing something wrong!
  • In Chapter 26, the smell of Miia's cooking alone (which Cerea referred to as Miia's "something") was enough to cause Ren to pass out. Multiple times!
  • Downplayed as the series goes on, with Kimihito noting that her practicing and following directions means her cooking has become quite tolerable. It's best showcased in the Girls on the Job light novel, where her cooking had improved with her training, with the result that her meals were mostly edible, but she still hadn't shed her tendency to over-season everything.
• Limited Wardrobe: She's notable in that she's an aversion. Compared to the other girls, she has quite a few outfits in a variety of styles. One chapter reveals she orders a lot of clothes online. Due to her large bust and (although they aren't as prominent) wide hips, not all of them fit right out of the gate, meaning Kimihito has to adjust them for the ones that need it.
• Logical Weakness: As mentioned in Chapter 1, her being part-reptile makes her susceptible to cold temperatures, and she requires warmth to stay healthy. Even in a moderately heated swimming pool, over time she'll become sluggish as she requires a relatively high water temperature.
• Lovable Sex Maniac: She really wants to get into Kimihito's pants. She even tried to strip Kimihito while he was sick. When her mother drugs him with a powerful aphrodisiac during her visit, her initial terror quickly fades into lustful anticipation. Amusingly, the same chapter also reveals that her sexual mores are practically prudish by her culture's standards.
• Marshmallow Hell: Really likes doing this to Kimihito. Considering how tight her grip can get, the 'hell' part of it usually becomes the dominant attribute...
• Miko: She becomes one at the end of Chapter 43. As snakes are considered lucky, her being a lamia ends up being a big draw for the place. In Chapter 45, she shows off her skills by dueling Lala using ofuda and a gohei wand.
• Meaningful Name: "Miia" is two of the syllables of "lamia."
• Naughty Nurse Outfit: Wastes no time donning one after finding out Kimihito's sick, and is chomping at the bit to administer 'treatment'.
• Never Gets Drunk: It takes a lot to get a Lamia drunk, as shown with Miia downing several glasses of tequila and not getting drunk during a drinking game with a punk attendee in the bar.
• Nightmare Face:
  • Played for laughs: Miia decides to take the initiative to save a kid stuck in a tree in order to impress Kimihito and show up Papi. Unfortunately, when she got to the top, the first thing the kid saw was a pair of Hellish Pupils, vicious-looking fangs and long nails peeking through the leaves.
    Miia: Found you.
  • Another instance in Chapter 6. Considering the context, it was probably meant to come across as "sexy" rather than "scary". But Miia's sudden reveal of her Overly-Long Tongue while she's under the effect of Lunacy could come across as this, particularly as the panel puts her mere inches from the reader.
• One-Note Cook: Boiled eggs are the one dish she can cook without ruining.
• Our Nudity Is Different: Witnessing a lamia shedding her skin is far more embarrassing than simple nudity.
• Overly-Long Tongue: She wouldn't be a snake without one. It's a human tongue at first glance, but it's actually forked at the end like an ordinary snake's.
• Pointed Ears: Just one more bit of divergence from the human body type.
• Prehensile Tail: Miia's tail is quite dexterous, capable of gripping and manipulating items like a zipper.
• Redheads Are Ravishing: Miia is a very voluptuous lamia with red hair, and she's one of the most sexually aggressive members of Kimihito's harem.
• Shameless Fanservice Girl: She's very, very intent on showing Kimihito her goods to try and tempt him into actually making a move. Chapter 2 has her gleefully pulling Kimihito into a lingerie shop and taking off her top in front of him, asking his opinion on the bras, and dragging him towards the changing rooms with her. All with a smile on her face.
• Signature Headgear: She wears a pair of D-shaped hair clips. They even serve as her emblem in the anime. Viewed from the side they combine with her hair to resemble a snake's head. These appear to be traditional among lamias; when we see other lamias they are also wearing D-shaped hair clips.
• Smitten Teenage Girl: Her actual age is unclear, but she acts a lot more adolescent than the other haremettes and in chapter 43 they tease her for being less responsible, so the trope's imagery is used regardless.
• Snake People: Being a lamia, the lower half of her body is a giant snake tail.
• Snakes Are Sexy: She's a well-endowed snake-girl who's head over (metaphoric) heels for her "Darling" Kimihito.
• Strong Family Resemblance: She looks a lot like her mother.
• Super-Strength: She can crumple metal in her coils, seemingly not even realizing it when under the effect of the full moon. Justified assuming that, unlike a snake, all her major organs are probably up in her human half, making her tail a huge mass of solid muscle and bone.
• The Tease: It becomes clear very quickly that she doesn't give a crap about the no sex rule of the exchange program as she tries seducing Kimihito fairly regularly. She once outright stated, while laying naked on the bed, that she wants him to take her virginity. Hilariously, the chapter with her mother reveals that she's actually rather conservative about seducing men by Lamia standards.
• Trademark Favorite Food: Miia really loves boiled eggs.
• Tranquil Fury: When she sees Kimihito with a hoof-shaped bruise on his face, she shoots the culprit a Death Glare that actually manages to get the centaur scared and speaks in a horrifyingly calm voice.
  Miia: Humans and other species may not harm each other.
• Tsundere: Sweet type. When she has Kimihito all to herself, her personality is sugary-sweet and demure. However, whenever she feels her claim on him is threatened (especially by romantic competition, i.e. Papi and Centorea), she quickly grows irritable and aggressively domineering even towards her beloved "Darling".
• Weaksauce Weakness: Cold. Justified as she's a lamia, i.e. a reptile. It's also dangerous for her to be in large bodies of water for this reason; while she can swim quite well, it's harder to maintain her body temperature in a pool, even a heated pool will render her lethargic if it's not heated to a high enough temperature. When she tried diving into Mero's (non-heated) pool, she rapidly lost the strength to swim and dropped like a stone, almost drowning.
• Why Did It Have to Be Snakes?: Miia is terrified of severed heads (and indeed, gore in general), and therefore does not react well to Lala the dullahan.
  • An aversion to Truth in Television but doubles with Fridge Logic given her animal motif. Aversion, because USUALLY, a snake will try to devour prey head-first; the maneuver's purpose is to suffocate the victim, should it still be alive after being poisoned/wrangled, and to minimize injury to the snake. On the other hand, heads, or actually skulls are the hardest part to digest for reptilians, especially snakes. There have been numerous cases of snakes dying from having their prey's skull lodged in their mouth, pressing the windpipe.
  • Chapter 50 indicates that she's terrified by gore in general.
• Your Size May Vary: The length of her tail, which varies from being about twice the length of her upper half to closer to twenty feet, though according to Chapter 17, her body is around eight meters (just over twenty-six feet) long in total. The official measurements at the end of volume 1 state her head-to-tail length to be "over seven meters." Interestingly, real-life snakes can vary in length quite dramatically if they're stationary or extended for moving.

Papi

Voiced by: Ari Ozawa (Japanese), Brittney Karbowski (English)

A harpy and the second girl to end up living with Kimihito. She's childish, both physically and mentally, despite being as old as Miia.

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• Absurdly Sharp Claws: The talons on her feet are like butcher knives.
• A-Cup Angst: One of the web videos sees her trying on one of Centorea's shirts, using inflated balloons to fill them out, and trying again when the balloons pop.
• Ambiguous Innocence: As Centorea points out, she's nowhere near as young as she looks, and is never above trying to use her apparent naivete as an excuse to jump Kimihito.
• Ambiguously Bi: In addition to her relationship with Suu, sucking on Kii's breasts is the first solution to depowering her that comes to Papi's mind. That said she is openly in love with Kimihito.
• Attention Deficit... Ooh, Shiny!: Has a short attention span that lasts for mere seconds — typically however long it takes her to move three steps. After kidnapping Kimihito, she asks him to get some food. As they walk there, she immediately forgets who he was.
• Balloon Belly: Gets the most of this out of everyone else.
  • She gets one in chapter 57 while everyone is having a spa treatment during a vacation.
  • She then doubles in size at the end of chapter 59.
  • In the I Heart Monster Girls anthology series she gets another one after eating nothing but sweets.
• Berserk Button: Aside from potentially hurting Kimihito, one of the few ways to make her mad is to purposefully mock her youthful appearance and physique. Miia teasing her small chest for being too small for a bra is a clear-cut example.
• Big Eater: She is an instant sucker for snacks and most types of food, and will gorge herself when given the chance.
• Big Sister Instinct: She's rather protective of Suu, even flying off with her when the others think about giving her up.
• Character Catchphrase: In the English manga, she's fond of "no pro", as in "no problem".
• Comically Missing the Point:
  • She tends to focus on completely random minor details. While watching a news report on a hostage situation and how it'll be affecting the Extraspecies Exchange Laws, Miia, and Centorea discuss that. Papi, on the other hand...
    Papi: Huh? Isn't that Ms. Smith?... That is Ms. Smith.
  • When the aforementioned three girls and Mero are watching what appears to be Kimihito's date with Ms. Smith in a cafe, Papi is only focused on how all the waitresses look like Mero.
• The Ditz: She's a complete idiot, gets distracted very easily, and is extremely forgetful.
  Kimihito: She's a birdbrain!
• Erotic Eating: Her introduction chapter has her sucking on an ice stick while Kimihito holds it for her in as unsubtle a way as can be, complete with doing it in public and having some splattered all over her.
  Kimihito: This looks rather… inappropriate…
  Passersby: [Stage whispering among themselves] What are they doing?/ Don't look!/ He must be doing it on purpose./ I bet he's a perv.
  Papi: Awww, I'm all sticky!
• Extreme Omnivore: One of the ending notes explains that Papi has no sense of taste and will eat anything. She only ever describes anything she eats as "good" or "really good". Miia's cooking and vegetables being the exception.
• Face Plant: Happens once in episode 2 when she tries to fly with wet wings.
• Feather Fingers: Subverted; her wings can grab and hold things, but are still quite lacking in manual dexterity compared to actual hands.
• Femme Fatalons: Her wings have exposed thumbs like a bat each ending in a sharp black claw.
• Forced to Watch: She watches the girl she saved early in the series get run over by a truck, who was only saved because Suu managed to wrap her up and absorb the force of the impact. Before they can get Suu unstuck from the side of the bridge they were on it collapses, dropping her into the river, and because of Papi's hands not being strong enough to hold people and Suu being slippery she can't do anything but watch her fall.
• Forgetful Jones: She tends to forget things almost right away. The few things she does retain are usually misremembered.
• Friend to All Children: She's very good with children.
• Gamer Chick: Heh... chick. In any case, Papi loves video games, spending the better part of Suu's introductory chapter playing Wii Tennis oblivious to the chaos around her, and screaming that she and Mero were supposed to play video games together when it seemed like the mermaid would leave the group for good.
• Giant Flyer: While she's the smallest member of the household, she's still bigger than your average bird, with a wingspan of 4 meters, or 13 feet.
• Harping on About Harpies: Being a harpy, she has the body of a human girl, but instead of arms and legs, she has the wings and talons of a bird.
• Hartman Hips: Her hips are noticeably wide for her body.
• Heterosexual Life-Partners: After Suu starts living at Kimihito's house, the two of them are rarely seen without the other; she even spends the majority of Chapter 12 trying to find Suu rather than deal with anything else that's going on. The pair are often seen providing various Funny Background Events while ignoring the drama from the other girls.
• Hidden Depths: Despite her childish and ditzy nature, Papi has very strong maternal instincts and gets along great with children.
• Idiot Hair: She's got one large cowlick sticking out of her hair, symbolizing how much of an airhead she is.
• Idol Singer: The Girls on the Job light novel has her working as one with Tio and Mero.
• The Immodest Orgasm: Papi has one when Suu gets too touchy with her after she gets wet. She also has one when Kii wraps her bondage-style in vines and tightens them.
• Innate Night Vision: Averted; she has terrible night vision (like most non-owl birds).
• Innocent Fanservice Girl: Papi has no concept of modesty, as she dives into a public fountain naked thinking it's a bird bath.
• Kindhearted Simpleton: She's a birdbrain, but she's good-natured, friendly, and quite a Mama Bear to children.
• Leg Focus: Due to how her bird-like legs start from the lower thighs, alongside her butt her human-like upper thighs get plenty of Male Gaze.
• Logical Weakness: If her wings are too wet, she becomes unable to fly.
• Loophole Abuse: Papi tends to forget things whenever she takes three steps. However, if she avoids taking three steps for a while, such as through flying or being carried around, she can keep her train of thought much better.
• Malaproper: When the police and Ms. Smith are looking for her to have her returned to her host family or deported, Papi tries to explain her situation to Kimihito. Unfortunately, instead of saying "deported," she says "deflowered" (according to the fan manga translation), "aborted" (according to the official manga translation), or "incest" (according to the anime translation).
• Male Gaze: In one of the omakes when Miia, Centorea, and Papi are comparing their best features, Papi is declared the "butt" girl for having the best (humanlike) backside. It's plush too, as Kimihito (accidentally) found out.
• Mama Bear: It's noted that her motherly instincts are really strong. She ends up switching between this and Big Sister Instinct depending on the situation. The "mother hen" pun is more or less cemented in chapter 33 when she bonds with a bunch of baby chickens.
• Older Than She Looks: Harpies look like young teenagers even as adults for the sake of flight. In reality, she's just as old as Miia, which the latter doesn't take too well when Papi drags Kimihito into the bath together.
• O.O.C. Is Serious Business: Kimihito freaks out when she's actually able to remember and explain the conflict with her mother (though it turns out to be one big misunderstanding).
• Perpetual Molt: She tends to drop feathers whenever she takes flight.
• Public Exposure: One might expect someone to go naked before taking a bath, but doing it IN A PUBLIC PLACE, qualifies as this.
• Real Men Eat Meat: Apart from the ice cream in her introduction, Papi has a preference for meat, and in most food scenes she's violently biting down on a large slab of the stuff.
• Shared Family Quirks: Her mother's attention span and short-term memory are arguably worse than Papi's.
• Solid Gold Poop:
  • Harpies are known, at least by their species, to lay unfertilized eggs from time to time. Said eggs are worth 3 MILLION yen on the black market.
  • The official English translation ups this a hundredfold by making it 3 million dollars instead. ^note For those who aren't good with money exchange rates, this was around THREE-HUNDRED TWENTY MILLION yen at the time.
• Strong Family Resemblance: Without her bleached hair, tan, and makeup, Papi's mom looks almost identical to Papi. This becomes a plot point when the letter from Papi's mother contains what appears to be Papi lying naked with an unknown man.
• Third-Person Person: Delves into this sometimes, like when she first introduces herself. It adds to her childlike image, as speaking in the third person is considered childish or cutesy in Japanese.
  Papi: Papi's Papi the harpy!
• Too Kinky to Torture: Rachnee wanted to play "games" with Suu and Papi while the others were at the health club, but apparently the end result is Rachnee exhausted and Suu and Papi happily swinging around in arachne webs.
• True Blue Femininity: Averted: Papi's signature color is blue, but she is very much a tomboy in terms of interests, despite some of the more girly aspects of her personality.
• Winged Humanoid: The "wings-for-forelimbs" variation, but the digits of her wings^note Yes, birds do have "hands" in their wings in real-life. are somewhat more human finger-like, and thus allow her to hold objects in them, as demonstrated when she was shown holding the Wii Remote in her hand to play with Kimihito's Nintendo Wii. She's not as dexterous with them as humans are with their own hands/fingers, though; she has trouble holding on to an ice cream cone properly, for example.
• Womanchild: She looks and acts childish, even though she's as old as Miia, gets easily confused, forgets things immediately, and loves playing video games. She also is shown to identify with children more than adults.

Centorea Shianus

Voiced by: Natsuki Aikawa (Japanese), Molly Searcy (English)

A centaur and the third girl to move in with Kimihito. Very prim and proper, as expected from a self-proclaimed knight.

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• A-Cup Angst: Despite being quite endowed herself, Centorea expressed discontent when she noticed Cathyl was bustier than her.
• Above the Influence: Holds out longer than anyone else once the full moon puts all the girls into a mating frenzy... but the key word there is "longer." In fact, she holds out long enough to tell Kimihito of the moon's effects, before immediately succumbing to them afterward.
• Absurdly Sharp Blade: By most standards, not really as it's a fake sword. But she's skilled enough with it to slice through several barrels effortlessly and later a door. A criminal who got a hold of it was able to inflict considerable, but nonlethal, damage to Kimihito.
• Action Girl: A courageous knight, competent with a sword and bow.
• Affectionate Nickname: Only those close to her can call her "Cerea," which Kimihito does.
• Ass Kicks You: Accidentally smashing Kimihito with her horse torso is her most common method of inflicting Amusing Injuries on him. She has a tendency to crash into things any time she needs to move backward or sideways, too.
• Badass Adorable: She IS a brave and competent warrior, but her insecurities, Imagine Spot with Kimihito, and her image make her this.
• Balloon Belly: Gets one at the end of chapter 59 after enjoying a vacation spa.
  • Gets another one in the first volume of the I Heart Monster Girls anthology series.
• Berserk Button:
  • Do not attempt to hop on her back unless she allows you to, as she is not a beast of burden (though if Kimihito asks her, she'll agree because he's her master). Moreover, in centaur culture, they traditionally only allow their chosen master to ride them - forcibly riding a centaur before they've chosen a master, and even afterward to a lesser degree, is tantamount to rape for them.
  • Don't ever imply that someone needs to be "hung like a horse" in order to satisfy her. This is due in no small part to the... current marital practices of (male) centaur culture, and her desire to escape it by serving a master, along with one day marrying for love instead of for someone's "strengths".
    Centorea: (to the racist couple) AHHH!! I AM GOING TO CASTRATE YOU!!
• Big Eater: She usually manages to keep her appetite in check, but if she eats something she really enjoys, she'll gorge herself with reckless abandon - this helped get the entire group banned from a restaurant once. This is based on the behavior of real-life horses, who will instinctively chow down on whatever food is in front of them until something stops them or they run out.
• Boob-Based Gag: Besides them giving her Buxom Beauty Standard status, her utterly massive breasts are also used for plenty of gags, including giving Kimihito Marshmallow Hell by accident just by drawing him close to her on instinct, him often experiencing Thanks for the Mammaries when grasping blindly only to find Centoria there, and she's prone to inducing A-Cup Angst even in the decently endowed Miia. Her introduction also had them ruin her attempt at a Crash-Into Hello scenario because they acted as a springboard that launched him into a lightpost so hard he nearly got a concussion.
• Boobs-and-Butt Pose: Due to the particulars of centaur anatomy, Centorea can accomplish this bit of fanservice with no contortion.
• Bow and Sword in Accord: Although the bow is only seen once. A bow is an odd weapon for a knight, but makes sense for a centaur knight.
• Breast Expansion: One of her biggest fears is that her boobs might still be growing despite already being quite large, something Chapter 69 demonstrates during a series of bad dreams involving them growing bigger than her torso.
• Buxom Beauty Standard: Her primary charm point amidst the harem is how massive her breasts are, being soft enough to provide a comforting head-rest yet firm to touch, as Kimihito often experiences, alongside the frequency she experiences Male Gaze for their roundness, occasional exposed massive cleavage, and frequent jiggling. The sight of them really drives up Miia's Clingy Jealous Girl side out of worry over their size and shape drawing her Darling's attention towards them.
• Clingy Jealous Girl: She may think of it as beneath her, but deep down she's just as clingy to Kimihito as Miia is. This comes to the forefront in Chapter 16.
• Courtly Love: Since she thinks of herself as a knight, she tends to think of her relationship with Kimihito along these lines: she loves him, but expressing that love or pursuing him would be un-knightly.
• Covert Pervert: She doesn't object to the sea anemones tearing her swimsuit that much because she's secretly enjoying them fondling her chest. She is not all that bothered by Kimihito trying to suck the venom out of her breast after one of Killa's controlled hornets stung her either. She later sort of admits she wasn't really in any danger and just got really into the idea of Kimihito sucking the venom out.
• Crash-Into Hello: Centorea's introduction. She immediately declares that it means Kimihito is her "fated master", because a charm said so (he just recognized it as a manga stock scene). She also wonders if she should have put toast in her mouth beforehand. Played with following the revelation that her desire to serve a "master" is at least partly rooted in not wanting to engage in her people's frankly barbaric breeding practices. She had good reason to want to find a "master" ASAP!
• Cute Clumsy Girl: Though usually quite coordinated, Centorea becomes very clumsy and accident-prone when she's feeling nervous or shy. The fact that her enormous hindquarters tend to smash into things can be a problem.
• D-Cup Distress: Downplayed. She doesn't show much resentment towards her ample chest as her size is completely normal for her species, but she gets embarrassed whenever people bring attention to it. She notes that when she first left her home to take part in the Interspecies Exchange she didn't expect her bust size to be such a big deal among humans. She also is utterly incapable of finding a bra that will survive her giant boobs, partly because she's reluctant to admit her exact size and thus gives measurements that are smaller than they really are. It's to the point where, when made to experience a nightmare by Nighdrem the night-mare, her first terrifying dream involves Breast Expansion, making her chest even larger, something that mortifies her.
• Declaration of Protection:
  Centorea: Have no fear! You are safe master; I shall protect you from anything! I swear upon my sword - even if it is fake - that no harm shall ever come to you again!
• Drill Sergeant Nasty: Chapter 43 has her hired to be a kendo teacher, but when she sees the martial art of kendo is not actual combat but more sport, she tears into the students. "You call yourselves descendants of Samurai?!?" This gets her fired from the job. However, Ms. Smith is nearby with a job offer from MON for Cerea (to protect Kimihito from some hostile species that sneaked into Japan).
• Expressive Ears: In chapter 25 they wriggle as she is eating carrots given to her.
• Forgiving the Accidental Pervert: Downplayed. Centorea still hits the half-awake Kimihito for walking in on her bathing, but she at least has the decency to admit she was the one at fault and apologize to him.
• Gamer Chick: While she hasn't been seen playing games yet, she does admit that her knowledge of many obscure non-human races is heavily informed by video games, such as slimes and dullahan. And when everyone else was either frightened or grumpy when the butler fish asked them to "save the princess," Cerea instantly perked up.
• Gilligan Cut: In chapter 35, she finds it shameful that Miia gives in to the massage of the eel mermaids, and declares that she would never submit like this. Surely enough, she's reduced to a moaning mess one panel later. The very next chapter features something similar to giant sea anemones.
• Going Commando: She does not wear panties or a bra because it is a centaur custom, and also because it would be very difficult to wear panties given the unusual shape of her hindquarters. Her aim when jousting improves greatly when she starts wearing a bra. Too bad it was not big enough.
• Hair of Gold, Heart of Gold: She's an incredibly honorable and chivalrous self-proclaimed knight with bright blonde hair.
• Half-Human Hybrid: Turns out that, while Centorea's mother is a centaur, her biological father was human.
• High-Pressure Emotion: Prone to these in extreme embarrassment, complete with steam billowing off her head. She's also hot enough to burn a table with her body temp.
• Honor Before Reason: Displays this occasionally, such as how she first felt about Rachnera. Though she is still pretty sensible for an honor-bound knight.
• Hypno Fool: First in Chapter 21, she falls victim to Lilith's hypnosis, causing her to become crazed and sexual towards Kimihito. Later in Chapter 69, Centorea gets hypnotized over and over to make her have nightmares, with her willpower being so pitiful that a single swing of a pendulum in front of her eyes is enough to knock her out.
• Hypocritical Humor: Generally, when she tries to act like she's too good for the situation, she'll still fall victim to it. Examples include succumbing to a Lunacy-induced sex craze right after saying that she wouldn't, getting caught in one of Rachnera's traps in the middle of criticizing Miia for not being alert enough, and the two Gilligan Cut events mentioned above.
• Innocent Blue Eyes: Blue eyes for a good and honorable knight.
• Jousting Lance: She knows how to use lances, and does so alongside her mother in a competition.
• Knight in Shining Armor: Tries very hard to be this. Occasionally she succeeds, but more often she ends up as a sympathetic Lord Error-Prone.
• Lady of War: Tries to be one. It works as long as she is emotionally stable, which in a harem comedy series is not that often.
• Large Ham: Has a habit of being melodramatic. She even compares her meeting with Kimihito to the meeting of Chiron and Hercules.
  Centorea: Have no fear! You are safe master; I shall protect you from anything! I swear upon my sword - even if it is fake - that no harm shall ever come to you again!
• Limited Wardrobe: Her usual attire is a form-fitting white shirt and a horse-sized black skirt. She almost always wears it, no matter what situation she finds herself in. That said, there are occasional exceptions. For example, she has a slight variant of her clothes for pajama-ware, with extra frills and no tie. Additionally, any time she has to deal with getting into the water, the fact she doesn't have a personal swimsuit means she has to make do with what people give her, such as the one Miia gave her during Miia's efforts to get rid of Mero, which outright inverted her usual outfit colors by having a skimpy black top and a white sheet-skirt.
• Luminescent Blush: Chapter 29 when she sees exactly what Kimihito brought to give her an edge over her mother: a bra.
• My Friends... and Zoidberg: Miia draws up a diagram explaining everyone's connections when they think the government is after Suu. Centorea's place on this is simply marked as "?".
• The Nose Knows: Chapter 71 reveals that a horse's sense of smell is 1000 times that of a human's.
• Not Even Bothering with the Accent: The English dub drops her archaic speech pattern. She speaks a bit more formally than Miia, but it's still completely modern English.
• Not So Above It All: While she's arguably the most level-headed she has her moments of this. Being fairly dorky, just as susceptible to the full moon's effects(though she lasted longer) as Miia and Papi, and falling prey to the same eel masseuse as Miia moments after chastising her.
  • She isn't above taking advantage of a situation to get intimate with Kimihito when she desires either. Such as when she allows him to suck the poison out of her breast after being stung by Killa.
• Nuclear Option: In the "Midnight Rendezvous" omake of Chapter 52, after Rachnera gets Centorea bound unawares in spider silk which leaves the spider girl ready to get to Kimihito, Centorea yells "SUU! Rachnera wants to play with you!" Which summons the slime girl to molest Rachnee...and Miia, who's in range and also bound. Realizing Suu will molest her too, Centorea gives an Evil Laugh, knowing "Suu falls, everyone gets molested." And Lala realizes this truth despite Centorea trying to do Elemental Rock-Paper-Scissors in regarding her, Miia and Rachnera.
• Occidental Otaku: A lot of her assumptions on how things in Japan work are based on anime, manga, and video games. Her room is even designed in a traditional Japanese fashion, complete with tatami mats, in contrast to the rest of Kimihito's modern home.
• One-Note Cook: Cerea, unlike Miia, actually does know how to cook. Unfortunately, it's centaur food, which is large amounts of mostly-raw vegetables. It's very healthy and filling, but also rather bland. In chapter 25 it is revealed that being a herbivore, her sense of taste is 2-4 times more sensitive than a human's, which could justify her food in chapter 21 being rather bland to non-herbivores like Kimihito and Rachnera.
• Our Centaurs Are Different: The women are European-styled knights, while the men are ugly violent brutes.
• Phenotype Stereotype: Blonde-haired, blue-eyed girl? Check. Foreigner? Check (she's most likely from Europe given her knightly background).
• Proud Warrior Race Girl: Her race is this in general going by her stories of centaur knighthood. She herself is a downplayed version of this trope.
• Reluctant Fanservice Girl: She really does try to dress modestly, but is frequently either giving Kimihito Marshmallow Hell, being groped by Kimihito in accidents, or losing her top completely and revealing her breasts. Embarrassment tends to happen after each event. As a result, almost all the various nightmares Nighdrem gives her have something to do with unwillingly exposing her body. She seems to loosen up a bit in future chapters, however, as she can be seen wearing a fairly revealing bikini top without much fuss.
• Shameless Fanservice Girl: While she's mostly quite reluctant when she got attacked by sea anemones, she seemed to not care that her clothes got ripped completely, though this was mostly because she was enjoying her breasts being touched by the tentacles.
• Strong Family Resemblance: Aside from her hairstyle, you would have a hard time telling her apart from her mother.
• Subordinate Excuse: She calls herself Kimihito's servant, but her feelings clearly go beyond that.
• Thanks for the Mammaries: Pretty regularly, especially whenever Kimihito has to hitch a ride and needs a place to... hold on. She herself seems to enjoy it, provided the toucher has the right touch to please her (when she first meets Kimihito she finds herself embarrassed as she gets absorbed in remembering how his groping felt, later in the series she outright compliments some tentacles on their technique, and then there was when she had Kimihito suck Killa's venom out of one of her breasts and thinks back on the experience quite fondly).
• Token Wholesome: Centorea actually dresses and acts very properly. It's just that being stacked like a snow fort makes modesty... difficult. The only person who's even more wholesome is Lala.
• Tomboyish Ponytail: She ties her hair in a ponytail and she works hard to be a strong and chivalrous knight.
• Too Kinky to Torture: When the giant anemone ripped her bikini off and played with her nipples, she had a loud orgasm and enjoyed it enough to not get reluctant, unlike usual. Indeed she outright compliments the tentacles on their technique.
• Trademark Favorite Food: Carrots. Recently red carrots have been her favorite, though it's pointed out that she's embarrassed about being around others as she indulges.
• Visual Pun: She's part horse and keeps her hair in a ponytail.
• Wardrobe Malfunction: Of all the girls, she is by far the most prone to these.
• Wrong Genre Savvy: Slimes are not the easiest things to kill despite what RPGs have told her, much to her disappointment. Later, she assumes "D" might be a "devil," and shows up to her date in full plate armor ready for a fight. When she does encounter a devil on her date, it isn't "D", and it isn't what she expected either.
• You Shall Not Pass!: Says it verbatim during one of her Imagine Spots in Chapter 44.

Suu

Voiced by: Mayuka Nomura (Japanese), Monica Rial (English)

A slime girl who just randomly showed up one night at Kimihito's house. She seems to mostly mimic the behavior of those around her.

---

• Acquired Situational Narcissism: When Suu is told she's a VIP, she acts much bossier than she usually does, such as demanding a piggyback ride and requesting drinks from her bodyguards.
• Alien Hair: In her humanoid form, she has a mass of green "hair" made of slime.
• Always a Bigger Fish: Only with Suu as the fish in question. Her shapeshifting and other abilities make her more than a match for any of the other girls if they don't have tools ready to stop her, and they exploit this to keep each other from trying to sleep with Kimihito at night, threatening to sic Suu on whoever tries.
• Ambiguous Innocence: While she was mostly unaware of right and wrong at first, Suu has probably figured out more of it as the series goes on, despite continuing with the tentacle rape and such. There was the time she molested Draco, and judging from her facial expression and the way she reacted to Draco's protests, it seemed she knew full well what she was doing.
• Attack of the 50-Foot Whatever: After absorbing experimental chemicals she grows to kaiju proportions. Happens again much later when she absorbs concentrated royal jelly from honey bee monsters to become Super Suu.
• Balloon Belly: Gets a huge version of this in the second volume of the I Heart Monster Girls anthology series, after absorbing a large amount of water she basically becomes a sumo slime.
• Bizarre Alien Biology: Volume 2 comes with an explanation of how she works. Some notable details include that she can store up to a fish tank's worth of water in her bust, her eyes store the information required for her transformations, the short feeler on her head is used for reading others' feelings, and the longer ones are used for "grabbing things, absorbing water, and performing tentacle rape."
• Black Comedy Rape: She gets very touchy with the other girls when she gets hungry and they get wet, to the point of inducing Immodest Orgasm. Even a drop of sweat will cause her to violate them. Her response when Draco attacks Kimihito is to go tentacle-monster on her. Yet the girls never treat the fondling assaults as more than an annoyance. Miia clarifies in an omake that all Suu really does in these violations is feel them up (to the point of orgasm, but no actual insertion of anything is involved), which for them indeed seems to be viewed as just an annoyance and not "rape".
• Blob Monster: She's a slime, with her natural form being quite blobby and amorphous.
• Breath Weapon: When she's fighting the colossal nutrient slime after getting injected with royal jelly, her ability to shoot water now manifests as her ability to shoot an extremely high-pressure water jet as a Breath Weapon, which easily tears through the enemy slime... only for it to regenerate. Then it counters with the same move, which ends up with Suu and it in a brief Beam-O-War.
• Breast Expansion: Absorbing plenty of water and becoming "well-fed" causes her to take on an older appearance, including going from mostly flat to stacked.
• Broken Masquerade: Prior to her appearance slimes were still considered fictional creatures to humans (other monsters knew of them fairly well) and, thanks to Ms. Smith not wanting to bother, are still thought of that way outside of the people she interacts with. The other girls didn't even know humanoid slimes actually existed, which made them fictional to both worlds. It's implied Suu was in fact the first slime to become a humanoid slime. By the Nega Suu arc, it's seen that non-humanoid slimes have been studied enough that their biology has become decently well understood by human scientists.
• Brutal Honesty: When Suu consumes poisonous plants, it causes her to speak out whatever's on her mind at the time, no matter how tactless. Then when she absorbs the mineral water in a mineral hot spring, making her into "Smart Suu", she interviews Kimihito. When the other girls accidentally pull off his towel, exposing his privates to everyone...
  Suu: [writing on clipboard] "Size: small."
• Character Development: As in, at some point, she actually starts to be an independent character that doesn't just mimic other people's actions. Though whether she gains maturity as the story goes on or she's just very good at hiding it is sometimes unclear.
• Comically Missing the Point: Could explain her actions in chapter 36. The now MILF Suu comes upon Octo and Rachnera essentially in a bondage war to get each other off to the point of defeat. Rachnera asks for "help" and Suu "helps" they both reach orgasm. Further evidence is when Rachnera and Octo are complimenting each other's skills and Suu asks for their opinion on her techniques, they fearfully tell her never to go into the ocean again.
• Curtains Match the Window: Suu has green slime on top of her head which flows in a manner similar to hair, matching her pupilless green eyes.
• Dirty Mind-Reading: Uses this on the director when he's filming the girls and asks very inappropriate questions for a documentary such as if they wear underwear. Were it not for her doing this on him, he probably would have gotten away with it, all under the guise of "making a documentary on the homestay program".
• Discreet Dining Disposal: Miia and Papi feed Suu their plates full of vegetables they don't want to eat, much to Kimihito's chagrin.
• Dressed All in Rubber: Wears nothing more than a raincoat and boots. When she wears something.
• Dropping the Bombshell: At the end of Chapter 13 she reveals that she can speak in more than just mimicked phrases, as well as her feelings.
  Suu: Well, it was Suu's fault that you caught a cold... I should apologize as well. But Suu doesn't mind! Because she loves her Master!
• The Empath: In Chapter 13, the answer to whether or not she could read thoughts from Chapter 8 is answered. She's apparently able to figure out the basic emotions of people when she puts her antennae to their forehead. Chapter 25 reveals she can also communicate her own thoughts to others this way.
• Extreme Omnivore:
  • Capable of eating Miia's horrifying food with no ill effect. She can also absorb body fluids and liquid fertilizer.
  • She outright states that she can eat anything as long as her body can digest it, encouraging Kimihito not to waste money buying actual food for her.
  • Kimihito asks her to help him pick mushrooms due to this. Even after eating a few poisonous mushrooms, the only side effect is poisoning her speech and making the water she spews out as an attack poisonous.
  • Disposing of unwanted food is one of her "jobs" in the house and she is quite proud of it.
• Fastball Special: It's become a Running Gag that the first reaction to the appearance of a threatening monster girl is to hurl Suu at her.
• Finger Gun: And she can spray water with it.
• Foreshadowing: In Chapter 8, Kimihito says it would have been a bad thing had Suu absorbed too much water and grown to gigantic proportions. She does exactly this in Chapter 20.
• Heterosexual Life-Partners: After Suu starts living at Kimihito's house, she and Papi are rarely seen without each other. The pair are often seen providing various Funny Background Events while ignoring the drama from the other girls.
• Hidden Depths: Suu's presence in Japan and coming to live with Kimihito, gaining a humanoid form, etc. is eventually revealed to have a deeper reason for it than pure happenstance. Chapter 81 reveals Suu was actually sent to Japan by her progenitor, an undine, along with other slimes she has produced, in order to help create a place for slimes to belong. Part of this mission involves increasing the number of slimes, meaning that like Miia she was intended to reproduce (and said undine thinks Kimihito is a perfect partner for this).
• Idiot Hair: Has an "antenna" in the shape of it. Though, unlike Papi, she's more childlike and naive than dumb.
• The Illegal: Her race is a type of liminal currently not fully classified under the Accord and it's assumed she arrived in Japan by some sort of illegal entry. However, Ms. Smith decides Suu is not her problem and lets her live with Kimihito.
• The Immodest Orgasm: When Kii the dryad latches roots onto her breasts, Suu has one. She's also prone to causing the other girls to have them whenever she gets thirsty.
  • Related to the above, despite her skills at beating others with pleasure she is surprisingly enough actually fairly susceptible to pleasure herself if someone is capable of getting past her offensive abilities and pleasuring her. When she becomes Super Suu in chapter 54 (reaching giant size yet again), she covers the equivalents of her nipples and genitals with "shielding," i.e. her tentacles, not out of a sense of modesty but (according to her profile) to protect her "sensitive weak points," perhaps having learned from what happened to her when she fought Kii.
• Inconsistent Spelling: "Suu" is the official translation of her name, even though the cover art for Chapter 10 spells her name as "Sue".
• Ingesting Knowledge: Chapter 54 explains the usual method of slime reproduction, namely that slime will split into experience and nutrient-gathering type slimes before recombining and splitting once more with the combined traits of the two original splits. Suu is the former, and theorized to have become extraordinarily experienced. This excess of experience is what leads to her being targeted by a colossal nutrient type.
• Innocent Fanservice Girl: Part and parcel of being from a race without any real culture or language whose body type make most clothes impossible.
• Innocently Insensitive: Suu knows as much about social norms as a newborn child. Hence the... well, look a few tropes up. Whatever brain-to-mouth filter she may possess shorts out when she ingests poisonous materials.
• Kryptonite-Proof Suit: Gets a waterproof wetsuit in chapter 35 when she needs to enter the water. However, it doesn't cover her head, which Kimihito realizes just a little too late (fortunately, this only results in Breast Expansion).
• Limited Wardrobe: The only clothes Suu ever wears is a raincoat with boots. Justified, since her liquid body would make nearly all clothes unwearable for her. The anime even has a short that shows Suu's closet is filled with nothing but identical yellow raincoats.
• Logical Weakness:
  • As she's made entirely of some liquid-like substance, she becomes "diluted" when submerged in a bathtub-sized body of water, and takes time to reform and drag herself out of it. If she falls into a huge enough body of water (e.g. a river) or gets caught in a heavy storm, however, the dilution effect could be serious enough to kill her.
  • On the opposite side of the coin, dehydrating her shrinks her and makes her lose her humanoid form and revert to a compact blob, but doing so is akin to starving her. Most of the hijinks revolving around her involve her attacking anyone with even a trace of moisture on them to feed herself.
  • Off another tangent, she is also susceptible to freezing temperatures due to her liquid body. Freezing temperatures won't kill her, but they do rapidly render her helpless until she thaws.
  • Using her transformation ability to disguise herself or others costs a lot of energy, and doing so too often on a given day will exhaust her.
• Lovable Sex Maniac:
  • While it's not specifically sex that she's after, the other girls consider her to be one and tell Rachnera to get used to being groped by her.
  • As time goes on it becomes apparent that while Suu doesn't feel much of anything sexual when she is doing it, she still finds her ability to subdue others with her fondling to be a point of pride and on multiple occasions has done it simply to assert herself as the "best" at it.
• Marry Them All: She openly supports this option. However, if Kimihito only chose one she believes she is the most worthy (though it's not clear how much she understands what being married means).
• Monochromatic Eyes: Suu's eyes lack definitive pupils, and constantly appear as fully green.
• Monster Progenitor: While slimes as simple Blob Monsters existed in plentiful numbers, even if human society was still unaware that they truly existed, Suu was the first slime to become a Slime Girl thanks to her experiences. Following the incident with Nega-Suu, the encounter between them resulted in the creation of a second Slime Girl when Nega Suu took on a Suu-like form. It's theorized this was possible in part due to Nega-Suu absorbing a small part of Suu and learning her form when they first met (when Suu accidentally lost one of her hands and it dropped into the tanker Nega-Suu was in). For a while, those two were the only Slime Girls in existence, but then the Black Lily President gets the "bright idea" to use Nega-Suu as the filtration system for Yukio's bath house. With so much run-off DNA from various different species being fed into Nega-Suu, she ends up multiplying into numerous Slime Girls of various shapes and colors, resulting in Slime Girls officially becoming an individual species in the story
• Morphic Resonance: Regardless of whether she's in blob, child, or adult form, or mimicking another person or object, she always has her antenna, though she can at least conceal it when forming a perfect imitation of someone else.
• New Powers as the Plot Demands:
  • Suu has done this a lot throughout the series, helped by the fact that she's a non-mythological monster without defined powers, and by the fact that hers is a possibly new species about which little is known.
  • In chapter 30 we get her newest revealed ability, being able to control her body's digestive ability to the extent that she can remove the skins of vegetables and fruits and spit them out intact, making her very helpful for cooking.
  • In Chapter 52, Suu can turn her appendages into dish antennae to receive mental signals from another slime and can make her body adhesive enough to stick to other objects (admittedly she has done the latter many times, but this was an extreme example as she uses the ability to attach herself to a passing vehicle).
  • Chapter 54 finally explains this. Suu is an experience-gathering type slime and her abilities increase in diversity the more she experiences. She's currently considered extraordinary even among experience types.
• Nightmare Fuel Station Attendant: Perhaps even more than Rachnera, by virtue of Rachnera always being pretty dark and intimidating while Suu can go from childish and adorable to freaking◊ terrifying◊ with little warning.
• No Biological Sex: Her status as a Blob Monster that developed both a body and identity by mimicking Kimihito's harem means she doesn't actually count as biologically female, or biologically male for that matter. She even has an In-Universe case of Barbie Doll Anatomy in regards to genitals, because the fact she never saw those parts of the girls until long after she formed her identity means she doesn't physically possess even a facsimile vagina, having a completely smooth and featureless crotch in-story. Naturally, her canonically lacking any form of genitals unless she chooses to have them is something her fanservice scenes like taking advantage of, specifically through showing off her naked lower body in ways that would be impossible to make work with girls possessing human-like genitals and butts such as Papi and Lala.
• No Navel, Novel Birth: Inverted, where despite being an amorphous mass of slime who was originally "birthed" by splitting from a larger slime mass, her Slime Girl form somehow possesses a navel-shaped indentation on her "stomach", as shown quite well whenever her waist gets specific Male Gaze. This bizarre quality does have some justification, though, as her human shape came from directly mimicking the girls in Kimihito's harem, every one of whom does possess a naturally developed navel.
• Nuclear Option: Becomes this in the "Midnight Rendezvous" omake of Chapter 52, when a helpless Centorea shouts "Suu! Rachnera wants to play with you." This leads to Suu going to molest Rachnera, and a bound Miia as well. Centorea knows she'll be last, but if it keeps Rachnera from Kimihito, it will be Worth It. Lala deduces from Centorea's tale that of the four of them, Suu is the strongest.
• Obfuscating Stupidity:
  • While no one is sure how long she's been able to, she accidentally reveals that she can speak in more than just mimicked phrases. As soon as she's called out on it, she goes back to mimicking.
  • She's also the one to put the kibosh on the Director's plans to sell Papi's egg (and more than that, her dignity) by reading his mind and broadcasting his true intentions for all to hear.
  • Chapter 20 reveals that her intelligence is based on her size. As a blob able to fit in a bucket she's essentially just running on instinct, in her base form her intelligence is that of a child, and in kaiju form, she's able to make scientific deductions based on her surroundings. Though in Chapter 25 her "child" form is still able to hold a conversation once out of sight of everyone but Kimihito and makes rude insults when taste-testing possibly poisonous plants has given her a "venomous" tongue.
  • As time goes on and she gains experience it becomes clear she has become reasonably intelligent in all her forms. Even as a core she is depicted "speaking" (or at least thinking). She even engages in schooling sessions on weekdays where Kimihito, Rachnera, Miia, Mero, and Cerea take turns teaching her and Papi various things.
• One-Winged Angel: In the anime's adaptation of Chapter 20, when Suu makes her kaiju-sized debut she turns her hair tentacles into a tail and jagged dorsal fins, and even spits a beam of energy.
• Personality Powers: As a Slime Girl, the things she consumes can affect her attitude, abilities, and form. She really makes the phrase "you are what you eat" literal in a sense.
  • Chapter 20: Suu falling down into a radioactive fertilizer from the dump site supercharges her size in proportion to Godzilla.
  • Chapter 25: shows her speech pattern filled with toxic Trash Talk after ingesting poisonous mushrooms in the forest.
  • Chapter 31: has her ingesting mineral water, which gives her a professional secretary demeanor.
  • Chapter 36: After absorbing nutrients from the Sea she becomes, essentially, a MILF in appearance and personality.
  • In one omake, after cooling herself in the refrigerator for Miia's benefit due to the AC breaking down, she becomes emotionally cold and Doesn't Like Being Touched. A little Hypocritical Humor given Suu likes to feel up to the others, especially Rachnee.
• Prehensile Hair: While not really hair, the tentacle-like appendages on her head are quite dexterous. One "Almost Daily Life" short showed her using two strands of it to drink two bottles of çidre (a Japanese alcoholic beverage related to "Sprite" per The Other Wiki). In chapter 36 she "helps" Oct and Rachnera by showing off her bondage skills with nothing except her hair.
• The Quiet One: She doesn't talk much, though that's because she's still learning how to talk. Or is she? No one can really be sure anymore. She is fully capable of speech as of Chapter 20, though.
• Running Gag:
  • Her small blob form being put inside of a bucket.
  • She also seems to randomly attack Rachnee on a regular basis even if she hasn't been splashed or gotten wet. Rachnee's continued use of bondage on the other girls likewise seems to be her way of trying to find new ways to resist these attacks. Given that Suu typically emits a heart emote or two when she dives Rachnee, she might just see it as an ongoing game.
  • The other girls throwing her at a perceived threat (particularly to their love lives).
• Sexier Alter Ego: She can absorb water to make herself taller, bouncier, and curvier than usual, complete with major Breast Expansion. It also (possibly) gives her an intelligence upgrade.
• Slime Girl: A shining, or rather slimy, example.
• Smart People Wear Glasses: When she gets an intelligence boost after soaking in mineral-enriched water, she suddenly alters her face to look like she's wearing glasses.
• Telepathy: In addition to knowing the emotions of people she's touching, she can see their memories as well.
• Tentacle Hair: She has several pseudopods coming out of her head, which are still visible when she shapeshifts.
• Third-Person Person: Once she starts talking normally, she refers to herself in the third person.
• Too Kinky to Torture: Rachnee wanted to play "games" with Suu and Papi while the others were at the health club, but apparently the end result is Rachnee exhausted and Suu and Papi happily swinging around in Arachne webs.
• True Blue Femininity: Suu's entire body aside from her "hair" and eyes is a light blue, though her feminine side only gets pronounced in her adult and "milf" forms.
• Voice Changeling: She can mimic a person's voice precisely depending on the persona she takes on.
• Voluntary Shapeshifting: Suu manages to be an even better shapeshifter than Doppel and Nineta. While Doppel can change her clothes but is limited to transforming into humanoids, and Nineta can transform into anything but can't change her clothes, Suu can do all of that and more. She can shapeshift herself around other people to become their clothes, or even transform into functioning arms and legs.
• Your Size May Vary: Her raincoat's length seems to adjust along with her size when compared to her boots. While in her more childlike form, it looks like a Badass Longcoat. While in her adult form, it's barely any larger than a shirt or a short dress, despite the boots still only going up about halfway to the knees.

Meroune Lorelei

Voiced by: Haruka Yamazaki (Japanese), Maggie Flecknoe (English)

A mermaid and the fourth girl to officially move in with Kimihito (Ms. Smith has, unsurprisingly, considered Suu to not be her problem). Wheelchair-bound for obvious reasons when out of the water, she first meets Kimihito when she loses control of it and he saves her. After she helps him find the other girls, it's revealed the waterproof room being built in Kimihito's house wasn't for Suu at all; instead it was so Ms. Smith could dump her off on him.

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• Balloon Belly: Gets one at the end of chapter 59 after a spa vacation.
• Bare Midriffs Are Feminine: Being a mermaid, she tends to wear a bikini top when in private company or in the water. Fittingly, she's the most traditionally feminine of the Unwanted Harem and she's actually a princess.
• Be Careful What You Wish For: After seeing Kimihito and Miia's lovely date together in Chapter 19, Mero discovers the feelings of jealousy and loss—and they're not what she expected, even though she wanted it to happen.
• Beware the Nice Ones: Normally Mero is the very image of polite and gentle, but she crowned Papi with a wicked tail slap in an unconscious effort to protect The Couch That Turns People Into Mush from the harpy's talons.
• Casual Kink: She's slowly beginning to understand that she enjoys her NTR fetish only when it is a fetish, not a real situation she has to take seriously. As her character development moves towards this trope, her fantasies become recreational more than literal expressions of what she wants her life to be like.
• Character Tics: Clasping her webbed hands together. Suu also does it when imitating her.
• Charm Person: Further hinting at royal origins, she possesses a compelling regal aura capable of making people genuflect when speaking. She also uses it to inspire people feeling down about themselves.
• Cheery Pink: While not to the same extent as Papi or Suu, Mero is far more unflappably optimistic than most of her peers, perfectly matching her feminine mannerisms.
• Cloudcuckoolander: Downplayed, but sometimes she'll miss certain social cues. Such as when Miia apologized for being rude to her out of jealousy, Mero was genuinely curious as to when Miia had been rude to her. And during her unintended Moment Killer situation, after Miia was calling her out for it, Mero said that sometimes she can't help but recite fish trivia (and she immediately continues to do so, not that Miia cared while Kimihito was still reeling from the interruption itself).
• Covert Pervert: She looks and behaves like a Proper Lady most of the time, but she has a major masochistic streak and gets off on the fantasy of a tragic romance.
• Crash-Into Hello: Kimihito plucks her from her runaway wheelchair and ends up smashed between her and a pole during their first encounter.
• Don't Call Me "Sir": Once she's revealed to be a princess, she becomes very uncomfortable about Kimihito's and the other girls' (mainly Centorea's) change of attitude towards her and asks them not to treat her any different only because they now know she's royalty.
• Drama Queen: A bit, usually whenever she gets starry-eyed over the prospect of tragedy.
• Ear Fins: Because she's a mermaid, she has fins in place of ears.
• Elegant Gothic Lolita: This is how she dresses, with her tail almost perfectly concealed, although it's noticeably more Stripperiffic than the norm when it comes to her usual house clothes, which can only be described as a maid uniform made into a bikini.
• Exact Words: Done during a conversation with Miia; at first it comes off as her exposing herself as a Yandere, but in retrospect is in fact her admitting she only wants second place.
  Miia: Well, anyway!! I'm going to make sure you don't get your hands on my Darling! Got it?!
  Meroune: Oh, don't worry. The feeling...is mutual.
• Expressive Ears: They drooped when she took a bite of Miia's cooking.
• Fetish: As is common among her people, she has a bit of a thing for tragic romance.
• Formal Characters Use Keigo: Mero always speaks very politely, which was part of Cerea's suspicion toward her background. Cerea was right to be suspect something; Mero's a princess.
• Graceful in Their Element: Requires a wheelchair to properly move around on land, but put her in the water and she outstrips the greatest human swimmer. The gym chapter/the first OVA stresses this by letting her show off some impressive flips and turns.
• Hammerspace: She keeps a large, heavy-looking conch shell ...somewhere that she whips out to smack people with; Kimihito, Sebasstian and Flounnder have all been on the receiving end at some point.
• Heroic Sacrifice: Almost ends up making one in chapter 37, in order to save Kimihito from drowning. She gives him CPR underwater using the air from her swim bladder, in the process giving up her ability to control her buoyancy. Her tail was heavily damaged from the rubble, preventing her from swimming effectively, and she was almost sucked by a current into a grid of spikes. Fortunately, Kimihito managed to use leftover strings from Rachnera to pull her up along with himself being pulled by Miia.
• Iconic Outfit: Aside from tie-ins for special occasions, you'd be hard-pressed to find a promo image where Mero isn't wearing her maid-style bikini.
• Ignored Epiphany: At first it seems like the events of chapter 37 have finally snapped Mero out of her "tragic romance" fantasy when she realizes how losing in love would actually feel... But no, she just wants to flip the script now, with Miia being the runner-up in the tragedy instead, much to the latter's indignation.
• Inconsistent Spelling: In the official English translation of the manga, her name is written as "Meron Lorelei"... which is then rendered as "Meroune Lorelai" in volumes 4, 5 & 8 (kinda plausible, as "Lorelai" is an alternate spelling for "Lorelei").
• Innocently Insensitive: Sometimes. She's sincere in her compliments, it's just her choice of words is usually... poor.
  Meroune: There, there, Miia-sama was amazing as well. You swam just like an eel! (Totally innocent.)
• In-Series Nickname: Her real name's "Meroune", but the others call her "Mero" for short.
• Klingons Love Shakespeare: Mermaids as a whole have a strong fanbase centered around The Little Mermaid and Meroune is no exception, so much so that her biggest fantasy is to be the victim of a tragic love affair.
• Large Ham: Not always, but when she lapses into "tragic heroine" mode she can rival Cerea.
• Limited Wardrobe: She's typically seen either in a Gothic Lolita maid-style outfit or a bikini. A look inside her wardrobe in chapter 26 reveals she has a number of clothes, but they're all Gothic Lolita (and according to chapter 23, only her maid-style outfit is suitable for a funeral). She has been seen in more outfits that stray from her usual fare, however, and in one chapter she even wears a bright and frilly bikini that would seem more at home on Papi.
• Logical Weakness:
  • Given that mermaids breathe water, the purity of the water is important. Swimming in chlorinated water is dangerous to her health; it would be the human equivalent of breathing in bleach fumes.
  • Her skin needs to be wet so she can breathe on land, meaning if the air becomes too hot, her skin will dry out, making it hard for her to breathe. On the flip side, if the air is so cold it's freezing, her skin will get frozen, which also makes it hard for her to breathe, if not worse.
• Love Epiphany: She has one at the end of chapter 19, after Miia and Kimihito's date at the aquarium. This after claiming to only want to experience a tragic love like in The Little Mermaid.
  • Later, she specifically realizes that she doesn't want the tragic ending that actually occurs in the story, but the happy ending that the mermaid had wanted.
• Marshmallow Hell: It's what Kimihito gets after saving her from her runaway wheelchair in their first meeting.
• Meaningful Name: Her middle name, Lorelei, refers to a famous siren from German folklore. Her surname, du Neptune, refers to the Roman god of the sea. The familiar form of her name, Mero, is pronounced very much like "merrow," merfolk from Irish folklore.
• Mermaid in a Wheelchair: Mero uses a wheelchair to travel around, although she sometimes has trouble controlling it, as seen in her first appearance.
• Mermaid Problem: Not an issue, if her attempt to copulate with Kimihito in Chapter 24 is any indication, and in hindsight, her clothes do cover the part of her body one would expect.
• Modest Royalty: In the "dresses like a commoner" sense, not in the "too modest to spend an entire chapter either in a bikini or out of it" sense.
• Moment Killer: She accidentally does this to Miia and Kimihito in Chapter 19.
• Netorare: A fan of being on the losing end, as per her The Little Mermaid fetish. Chapter 19 deconstructs this to let her know that it isn't what she thought it was going to be, ultimately changing her mind entirely in Chapter 37. By which we mean wanting Miia to be the runner up instead.
• Nice Girl: Insensitive moments aside, she is unfailingly kind and polite to everyone she meets.
• Nightmare Fetishist: She just loves to be a victim of tragedy in general, whether it's unrequited love, her lover dying, herself dying and leaving her lover behind, or her lover dying after them having had children. Miia even calls her, depending upon the translation, a "tragedy freak" or a "tragedy addict". However, she eventually becomes a deconstruction: every time one of her fantasies seems like it might come true, she very abruptly realizes how emotionally painful it is to experience in reality, and that she doesn't actually want it. She'll still fantasize about such situations, but that's purely where they'll stay, for the most part.
• Ojou: In the "hot springs dating" incident, she mentions being independently wealthy and able to financially support her partner. It's later revealed she's not only rich, she's a princess.
• Our Mermaids Are Different: Apparently they have webbed hands, fin-like ears, gills along their rib cages, and a pronounced set of pelvic fins. Also, they can survive on land so long as there is a decent amount of humidity, and give off a mucus-like secretion to retain moisture. And that's just Mero: chapter 35 shows that merfolk come in all shapes and sizes, some of them being straight-up weird. One female merperson has a human body and a fish for a head. An entire fish.
• Overly Long Name: Chapter 35 reveals her full name is Meroune Lorelei du Neptune.
• Perky Goth: Dresses in the Elegant Gothic Lolita style and is a bit of a Nightmare Fetishist, but has a very warm personality overall.
• Princess Classic: Besides her bizarre wish for tragedy, she's a polite and graceful beautiful lady with a "royal aura". She's later confirmed to be a real princess.
• Princesses Prefer Pink: She has long pink hair and a pink fish tail, contributing to her princess-y looks and serving as hints that she really is a princess.
• Psycho Pink: Heavily downplayed, as despite her bright pink exterior Mero's mind harbors some surprisingly dark fantasies.
• Really Royalty Reveal: She's been long thought to have a "royal aura", and it turns out she really is royalty. And a princess no less!
• Regal Ringlets: She has straight hair that curls into ringlets, which befits her Elegant Gothic Lolita attire and princess-like behavior. It's also the most obvious clue to the reveal that she really is a princess.
• Roll Out the Red Carpet: In episode 9, she gets this when she arrives at the aquarium.
• Rose-Haired Sweetie: She's a pink-haired mermaid who is very princess-y and refined, whatever her bizarre interests.
• Royals Who Actually Do Something: Her mother forbade her from having a common job, but she tutors the less experienced members of the household and takes the lead in diplomatic relations with land-dwelling species.
• Shameless Fanservice Girl: While Mero can and will get embarrassed if questioned about her clothing, she's not really as modest as her royal heritage would imply; not only does she regularly wear a bikini around the house (which Miia calls her out for), she also indulges in risque selfies. Two of them even include a seashell bikini and a swimsuit which barely hides her private parts.
• Sheep in Sheep's Clothing: Her debut chapter establishes her as this: a sweet, polite, refined individual whom Miia is absolutely sure is trying to steal Darling away from her. To the lamia's credit, Mero gives her more than enough reasons to think so, between asking incessantly whether Kimihito has a girlfriend and a rather disturbing Yandere-esque moment. As it turns out, Mero's every bit the Nice Girl she seems to be, and in fact, is a Shipper on Deck for Miia and Kimihito... in her own way.
• Shipper on Deck: She wants anyone but herself to be with Kimihito (solely so she can be the mistress), primarily Miia as she was the only one to openly acknowledge being interested in him. By chapter 37, she's realized that she actually does want to be with Kimihito - but she's still on board with Miia getting together with him, so that Miia can be the mistress, the girl he's unable to forget.
• Skinship Grope: Inflicts this on Miia at the end of her debut chapter while the two are reconciling.
• Someone to Remember Him By: After realizing that netorare wasn't all it was cracked up to be, and believing that Kimihito was soon going to die, she immediately tried to seduce him in order to have this sort of tragedy instead.
• Star-Crossed Lovers: She professes to get excited about being separated from Kimihito in chapter 35, but underneath apparently realizes how painful it would be.
• Super Swimming Skills: Since she's a mermaid, swimming is as natural as breathing for Mero. She's able to outperform Olympic class swimmers as she has incredible stamina, and can reach speeds of 50 kilometres per hour when in the water.
• Thinks Like a Romance Novel: She wants to experience a "tragic love" like in the original Little Mermaid story, including turning into sea foam.
• Took a Level in Idealism: When first introduced, Mero has an unhealthy fixation on "tragic romance". Over the course of the series, she has endured the possibility of all her fantasies becoming a reality and realized that while they make for nice fantasies, she would be heartbroken if they actually happened. By chapter 37, she has mostly realized that what she really wants is to marry Kimihito and have a normal, happy life (though the idea of Kimihito having a mistress, namely Miia, still sounds good to her).
• Too Kinky to Torture: After eating some of Miia's cooking, it brings to mind having her fins painfully split apart into legs. Afterward, she is seen collapsed on the floor smiling about it, despite foaming at the mouth. Later, once Rachnera ties her up, she finds herself rather enjoying it.
• Unrequited Tragic Maiden: Subverted. She tries hard to invoke the trope, but ultimately she's an upbeat, well-adjusted person who finds it easy to make friends and has a constructive role in society (as princess) outside of pining for a man.
• Visual Pun: She's a mermaid who likes to dress up like a maid.
• Walking Swimsuit Scene: Zigzagged, walking aside; Mero wears a full-length dress with sleeves when out in public and other similar outfits, but around Kimihito's house is usually seen in a bikini styled like a maid outfit, and even then, she has been seen wearing some more stereotypically feminine swimsuits. That being said, the maid-styled bikini is easily her most iconic outfit, as the vast majority of promos feature her wearing it.
• Wardrobe Malfunction: Mermaids secrete slime to keep themselves moist. The result causes this to happen when she wears clothing not designed around avoiding this.
• Waterfall Puke: Afflicted with this when she starts getting chlorine poisoning from the pool.
• Water Is Womanly: The mermaid Mero is the most ladylike and elegant of the main monster girls. She's later revealed to be a princess.

Rachnera Arachnera

Voiced by: Sakura Nakamura (Japanese), Courtney Lomelo (English)

An Arachne and the fifth girl to officially move in with Kimihito. Her original host family had sold her off to the director because they were expecting a monster girl who wasn't so...monstrous. This and the director's behavior left her hating humans until she met Kimihito.

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• Action Girl: Put it this way: Rachnera is to guerrilla fighters or covert operators as Centorea is to soldiers - she's an ambush predator. She's also particularly good with her webs: Miia jumps at her when she first shows up and tries to put the moves on Kimihito, and is completely restrained in webbing a panel later with Rachnee ignoring her outright. She can even catch Centorea by surprise, the only one with a warrior background.
• A-Cup Angst: Despite having a rather large bust size, Rachnera still gets up in disbelief upon hearing Centorea snapped an extra large bra just because it was too small.
• Affectionate Nickname:
  • The household starts calling her "Rachnee" as soon as she moves in. In Japanese, it's written "Raku-nee", as in "big sister Rach".
  • In the official English release, she's known as "Spidey" as well.
  • She calls Kimihito "Honey."
• Afraid of Their Own Strength: She is always careful around Kimihito and has accidentally hurt people before.
• Ambiguously Bi: Likes to put the girls in bondage as much as she does Kimihito. She also admits, while drunk, that she did this with Ren Kunanzuki when she lived with her. Then there's the time she had her way with Lilith in Chapter 21, or her amicable relationship with Octo, when they casually discuss how much they enjoyed getting tied up / tentacled. On the other hand, her species profile notes that tying up others is more a compulsion caused by their hunter instincts that they do for fun rather than a direct expression of sexual desire (of course the two desires can intermingle).
• Animal Stereotypes: A spider who's an expert seamstress and also enjoys bondage.
• Armor-Piercing Question: From Chapter 18 to Miia.
  Rachnera: You're making a huge fuss about [Kimihito] cheating on you, but do you really think you can stand to witness it? Can you really handle seeing your beloved Darling making love to another woman?
• Be Careful What You Wish For: She wonders "what kind of games they could play" when she watches Suu and Papi while the others are at the health club, but the younger girls leave her in exhausted defeat while they swing from her webbing. She's lamenting, "If you wanted to lose weight, why not try to keep up with These Two?!"
• Beneath the Mask: Due to her Freudian Excuse from her host family, she detests hypocrites and people putting on a mask of false kindness. She would rather see the person be their honest self than the mask they wear.
• Berserk Button: Do not poke fun at her Freudian Excuse or she will tie you up bondage style.
• Bizarre Alien Biology:
  • Apparently breathes out of her abdomen, like regular spiders. Miia thinks she can also breathe out her mouth. It's not clear if that's actually true, but the fact her mouth moves when she speaks implies she can exhale past her vocal cords and lips.
  • Like spiders, Rachnee gets drunk on caffeine.
  • Her profile from the manga bonus pages^note Her web game profile from the official website restates this reveals that she only weighs 82 kilos (180 pounds), despite her massive size. In Chapter 17, when some of the girls had learned that they were overweight from a combination of overeating Kimihito's cooking and not being able to exercise much without Kimihito's presence, she proudly says that she doesn't need to go to the new Extraspecies gym like they do.
• Brains and Bondage: Easily the most clever and level-headed of Kimihito's harem (most of the time), and the most careful with her strength. The bondage part is obvious.
• Broken Bird: After her rejection from her first host family and being sold off into slavery, she's very bitter towards the human race and slow to trust anyone.
• Brutal Honesty: Rachnera generally does this as she doesn't like sugar-coating things. Such as when she tells Centorea her sandwiches are not very good because she just put chopped raw vegetables between two pieces of bread.
• Bullying a Dragon: She tends to be the "Dragon" in this case.
• Buxom Beauty Standard: She has the second biggest bust in the household behind Centorea and she's seen as attractive for that reason.
• Can't Hold Her Liquor: Strange example, in that Rachnera doesn't get drunk on alcohol, she gets drunk on caffeine. That being said, she gets very tipsy after only one cup of black coffee.
• Casual Kink: Really enjoys tying people up much like a dominatrix would. And she enjoys testing new methods on the other girls.
• Character Catchphrase: The English manga gave her the descriptive phrase "itsy-bitsy", referring to the nursery rhyme "The Itsy-Bitsy Spider".
• Character Development: Subtle, but in general she doesn't seem to hate humans as much as she used to as time goes on, to the point she willingly sells her silk to scientists for the sake of their research (and a nice bit of monetary compensation).
• Clingy Sleepers: Rachnera likes to fall asleep while giving Kimihito a multi-limbed hug.
• Cool Teacher: Papi and Suu think she is the coolest and best teacher of the remaining five main characters sans Lala, who take time to educate them on a daily basis in a rotating schedule.
• Cuddle Bug: Separate from her love of tying others up she tends to get very tactile with Kimihito when she's in a good mood, to a point that rivals even Miia. She especially seems to like caressing him, which is quite impressive given how sharp her claws are and how she manages to do it without injuring him. She makes ample use of her breasts as well.
• Deadpan Snarker: To the point of mocking the use of honorifics when addressing her.
• Does Not Know Her Own Strength: An explicit aversion, having realized the potential dangers of her body from her last host family. Bondage aside, she's never actually injured Kimihito (even while drunk), while the other girls regularly put him on death's door.
• Drunk on Milk: Spiders get drunk off of caffeine. Rachnera is no exception.
• Early Installment Character-Design Difference: Rachnera's pedipalps have over time been drawn to look more like the legs of a human (albeit missing the feet and covered in chitin). This is certainly attractive, but has led some to say it makes her look more like a human with a giant spider stuck to her rear (ignoring the various spider features of her humanoid portion).
• Even the Girls Want Her: A variation, as Lilith becomes totally hooked on her incredible bondage skills. And Mero enthusiastically serves as a test subject for Rachnee's "training" in an extra chapter.
• Everyone Has Standards: Even though she is very sexually open and has a variety of fetishes, she finds the Centaur concept of "teaser males" too freaky and repugnant, even for her. Rachnera also strongly disapproves of the lamias' masculinity tournament, to the extent that one English translation had her describe it as "f***ed up."
• Extra Eyes: She has six eyes. It doesn't come off as creepy...usually.
• Fangs Are Evil: At first they come off this way, but eventually Rachnera's mood improves and they become Cute Little Fangs. Can snap right back if she puts on her Nightmare Face, though.
• Femme Fatalons: Sort of. Her arms are covered in a black carapace from the elbows down, and the gauntlet-like plating on her digits ends in sharpened points.
• The Fettered: Not ironically for a dominatrix, Rachnera is the girl with the most restraint towards Kimihito with regard to her strength and movements. But then, any good Dom knows that they should only go so far, and would never inflict lasting harm on their Sub.
• Freakiness Shame: Not so much shame as realizing people may be put off by her spider parts. Kimihito admitting that he finds her legs charming is part of what gets her to realize he's not a bad person at all.
• Freudian Excuse: She hated humans and refused to trust them because her original host family sold her off after she accidentally hurt the host daughter.
• The Gadfly: She'll often say things just to rile up the other girls, especially Miia.
• Genre Savvy: Rachnera holds no illusions about how her report to the other Arachne about whether or not Arachne can live with humanity under the new Extraspecies program is going to be received. She predicts that they will just state that it’s “just an opinion” or they ”will take it under consideration”, so she simply declines to give her report and suggest the attending Arachne make use of the onsen and talk to humans and judge themselves.
• Hidden Depths:
  • Lilith, after being captured, sneers that the reason Rachnera is a Stealth Expert and The Tease is that she's so afraid of suffering prejudice and rejection again that she tries to stay out of the public eye and keep friendships going under her own terms. While she doesn't argue otherwise, Rachnera's furious response implies that Lilith touched a nerve.
  • In chapter 30, Kimihito notes that, despite her Freakiness Shame, she's the only one who hasn't accidentally injured him before. That particular accident with Ren Kunanzuki has taught her the importance of being gentle with humans. As for Rachnera's response to Kimihito's remark about her gentleness, it was effectively Instant Seduction.
  • It is revealed in Chapter 43 that she is surprisingly knowledgeable, which is why Suu and Papi rate her as their favorite teacher of the group.
  • Chapter 67 reveals she was sent as part of a small "expeditionary force" to investigate the feasibility of Arachne coexisting with humans in accordance with the exchange laws, as opposed to the secretive, men-kidnapping lifestyle they had led previously. At the same time, she was to determine if the Arachne would be forced to give up on acting according to their nature and pride as monsters, as her kind were quite against having to change their ways at all even for the sake of survival. Rachnera herself was rather dubious on the whole idea working, convinced her reticent kind would not really listen to her regardless of what she reported back, so she instead eventually had them meet her at Yukio's onsen to dare them to find out for themselves what it's like to socialize with humans on equal terms. Her plan works as they find they quite enjoy having men want them back.
• Hiding Behind Your Bangs: Her hair covers her multiple spider eyes sometimes. It usually happens when she's being especially standoffish or cynical.
• Home Nudist: The anime shorts have shown that when she's alone in her room, she relaxes and reads in the nude.
• Humans Are the Real Monsters: Her general opinion on them. She tries to prove that Kimihito is no different, and eventually opts to arrange to move in with him when she finds out that he is, in fact, a decent person who doesn't discriminate against non-humans.
  Rachnera: (drunk) You don't worry about the little things, Honey. No, you don't worry about the big things either. Honey doesn't pay too much mind to anyone... Everyone's equal. Everyone's the same. That's why it's so easy to get along with you.
• Hypocrite: Heavily implied, if not outright stated by Lilith; Rachnera's cold outer exterior is meant to hide a deeply hurting individual. For as much as Rachnera looks down on people who hide their true nature behind a mask, she herself wears one of tough cynicism.
• Hypocritical Humor: Calls Kimihito a hypocrite for getting turned on by her human parts, believing that like other humans, he finds her spider half disgusting. When he states he finds her legs to be "charming," she laughs at him and calls him a pervert who gets turned on by spider legs (and given that, aside from Lala, none of the monster girls he lives with have normal human legs if they have legs at all...).
• Kill the Ones You Love: She sides with Lala while believing she's actually a grim reaper, with the reasoning being if Kimihito has to die they should just let him die peacefully rather than subject him to all of the injuries he suffers from the other girls trying to outrun her. Fortunately he's not really going to die. She's shown to be just as embarrassed and ashamed of it afterward as the rest of the girls.
• Laser-Guided Karma: Played with. Rachnera enjoys subjecting the girls to surprise bondage tying with her spider silk for her own amusement. All except Suu, whom she can't ensnare due to her being a slime. Suu tends to target Rachnera a lot, subjecting her to much slime groping.
• Logical Weakness:
  • As stated in the Chapter 23 extra, "Arachne are helpless against those they cannot ensnare or tie up.". Promptly demonstrated by Suu. Again.
  • Rachnee has very little tolerance to extreme temperatures, hot or cold.
• Lovable Sex Maniac: More than any of the other girls she will try to jump Kimihito whenever she has the opportunity, even if she has an audience (unlike Miia).
• Made a Slave: She was sold off into slavery by her original host family (though calling it slavery may be a bit of an exaggeration, and the manga itself never refers to it as slavery).
• Marshmallow Hell: After noticing Kimihito's hard-on she sets up her web in a way that if he opens his mouth he'll fall, strips off her top, and proceeds to inflict this on him as "punishment". She does it for fun at other times as well.
• Monochromatic Eyes: Her eyes are pure red, lending to her creepy appearance.
• Mundane Utility: Arachne silk developed to catch prey and assist in climbing, but Rachnera also uses hers to make clothing, dolls, and thread phones, to bundle up things when packing, and (of course) for bondage techniques. Additionally, her claws (developed to dispatch prey items) make excellent letter openers.
• Never Gets Drunk: Subverted. While Arachnes are outright immune to alcohol, she does get drunk on caffeine, which is true of actual spiders as well.
• Nightmare Face: She can don a truly impressive one◊. If the text font is anything to go by, she also puts on a voice to match.
• Obviously Evil:
  • Subverted. She has a massive skull design on her spider-like body and dresses like a Femme Fatale, and her first appearance involves more or less mummifying a man and expressing an implied violent interest in Kimihito. She kidnaps him, binds him in webbing, and suspends him from the ceiling repeatedly. She's actually just a rightfully bitter person who's been screwed over by humans repeatedly, looking for one that's actually decent and worth living with.
  • Played up by Rachnera when called for. She is aware of how dangerous she looks and has no qualms about using this to her advantage. It comes in especially handy with the "humans are forbidden from harming extra-species, and vice-versa" law that's in effect; scaring away a would-be attacker isn't technically harming him, after all...
• Offscreen Teleportation: Seems to move very, very fast when not in a frame. For instance, she suddenly appeared on the ceiling when she was on the floor a moment ago. Justified by the fact that fleeing spiders are pretty quick.
• Past Experience Nightmare: She still has nightmares about the time she hurt Ren.
• Pay Evil unto Evil:
  • When she finds out that there might be a decent human, Kimihito, she turns on the director, encasing him in webbing and leaving him for the police to find, and proceeds to use that time to abduct and investigate Kimihito.
  • This was also used against the Jerkasses in Chapter 16 that attempted to rape Centorea when they knew she could not fight back.
• Precision F-Strike: She certainly doesn’t sugarcoat her distaste of the Lamia tribe’s tournament, which Kimihito and Miia had to participate in.
  Rachnera: This tournament is so fucked up.
• Razor Floss: One of the many applications she has for her silk.
• Red Eyes, Take Warning: Zig-zagged. S&M antics aside, she's actually less dangerous than the other household monster girls, but she can play this to terrifying effect when the situation calls for it, and she is certainly someone whom you shouldn't piss off.
• Rejected Apology: When Smith apologizes to her regarding the last host family she was in, Rachnera brushed it off, stating that her needs were not put into consideration, adding that the former's apology was lacking in sincerity. By that measure, however, Rachnera figured that Smith was only apologizing to her out of professional courtesy as opposed to genuine remorse. Downplayed when it's shown what she is aiming for is to get Smith to offer her a place at Kimihito's home as a show of "sincerity", something Smith is all too happy to agree to.
• Repetitive Name: Rachnera Arachnera.
• Sarcastic Devotee: Snarky, sharp-tongued, cynical, and biting in her criticism. Her love for Kimihito is as strong as that of any other member of the harem.
• Scary Teeth: She has shark-like teeth, though they're only really noticeable when she's pissed off.
• Screw the Rules, I'm Doing What's Right!: In chapter 16, a group of Jerkasses try to rape Centorea, using the "monsters can't harm humans" rule to prevent her from fighting back. Rachnera personally intervenes, makes it clear she doesn't give a shit about the law and scares them off.
• Seductive Spider: She's an Arachne (a spider person), and out of the girls she's the most seductive and sexualized among them.
• Sentimental Drunk: Zigzagged. She's more forthcoming with her feelings when sloshed, but she also feigns apathy about Ren's injury- the very event she was having nightmares about just a chapter ago.
• Shameless Fanservice Girl:
  • Rachnera's street clothes are typically very revealing, and when she gets to wear swimsuits they are of the Barely There varieties.
  • The outfit Rachnera wears most often is the skimpy top and loincloth. This means that in an ecchi harem comedy, she is the only harem girl who commonly dresses like a harem girl.
• Sleeps in the Nude: She sleeps on a silk hammock in the glorious nude.
• Spider People: She's an arachne, a monster with the upper body of a woman and the lower body of a spider.
• Spiders Are Scary: Zig-zagged, as seen above. While she's actually not too bad most of the time, she can be downright terrifying when the situation calls for it.
• Spider-Sense: Acute enough to dodge a sniper round.
• Stealth Expert: Despite her size, Rachnera is quite good at remaining unseen thanks to her Wall Crawling skills and Spider-Sense.
• Stripperiffic: Easily the most provocatively dressed of the girls, barring Suu.
• Superhuman Trafficking: Her original host family sold her off to the director, who used her and her webbing to make money.
• Super-Speed: Faster than all of the girls, at least.
• Sure, Let's Go with That: When Octo wants to know whether she'd set up the trap she catches the Scylla in because she'd anticipated the whole situation in advance. She'd actually put it out just to mess with her teammates.
• The Tease: Kind of a lot, actually, even by this manga's standards. She pretty much starts putting the moves on Kimihito - albeit in a mocking fashion - even before she moves in. Once she does move in, she spends an entire day trying to get into his pants.
• Token Evil Teammate: She's not evil per se, but she does enjoy tying up the other girls with or without consent, except Suu, who she's unable to bind at all. And when she first ties up Lala, she's unable to get a response due to the latter missing her head at the time.
• Underboobs: So much so that the first time Kimihito was on the ground looking up at her, her nipples were totally exposed. Even her more casual articles of clothing leave a generous amount exposed.
• Unreliable Narrator: Her initial recount of her Freudian Excuse seemed to imply a lot more malice on the part of her host family, in that they pawned her off to the director because they were disgusted by her appearance and didn't want to deal with her. It's later revealed that while the family may have been off-put and intimidated by her, they only put their foot down when Rachnera accidentally gave their daughter a slash across the face with her claws. Furthermore, they were under the impression that the director worked for the exchange program (though that's unclear, as Ren only refers to him as a "free agent," and the fact that he paid them still makes the exchange sketchy). They (or at least Ren) were appalled when they found out what happened to Rachnera and sent Ren to try and start over.
• What the Hell, Hero?: In chapter 30, she's the only one to pick up on Kimihito just taking all the girls' abuse for the sake of potential marriage, and criticizes him for putting his life at risk.

Lala

Voiced by: Ai Kakuma (Japanese), Carli Mosier (English)

A dullahan, the second "D", and the sixth girl to officially move in with Kimihito. She initially introduced herself as a grim reaper who was there due to Kimihito's impending death, when in fact she merely enjoys pretending to be a grim reaper and really showed up because she was on the run from Ms. Smith and fascinated by Kimihito's apparent invulnerability.

Because she's introduced comparatively late into the story, and because several significant reveals are linked directly to her, Lala is a Walking Spoiler. You have been warned.

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• Accent Adaptation: The manga translation gives her an Irish brogue, referencing the mythology she comes from.
• Amazing Technicolor Population: Out of every girl in Kimihito's harem, body-structure-wise she's practically human, with even her Headless Horseman status being easily hidden. So in order to make it clear she's still a monster girl, she's designed to possess blue skin and Black Eyes of Crazy.
• Antiquated Linguistics: Used to give her an ominous and mystical aura (it's more obvious in Japanese). Also see Sesquipedalian Loquaciousness below. She tends to drop it when showing vulnerability, though, like when cutely begging Kimihito to get her head back to her body after initially ordering him like an inferior being, and when Ms. Smith is intimidating her.
• Badass in Distress: Her head and body being so far separated keeps her from using her powers. This would normally not be much of a problem according to her, but she doesn't have the time as she's being hunted by "The Organization". It's revealed in Chapter 24 that the so-called "Organization" is just Ms. Smith doing her job of making sure that she isn't running off on her host families.
• Bait-and-Switch: Initially implied to be the second "D", she actually arrived to warn Kimihito about his impending death. When questioned about the note, her response is that her only purpose in interacting with mortals is to warn them of their deaths, so it was assumed she did not write the letter. It's then revealed she really is the second "D".
• Big Damn Heroes: When Dracula's ghost possesses Curie and tries to get her to turn Papi into a vampire, Lala shows up and sends him to the afterlife.
• Black Eyes of Crazy: She has black sclera and is sinister and morbid, but like Doppel and Lilith she's not evil.
• Breaking Old Trends:
  • She may be a part of the 'family', but she's the first of them who doesn't show any clear romantic attraction to Kimihito. She does fancy him quite a bit, of course, but doesn't feel the need to pursue him at all, since she's fine with the fact that she'll have him forever once he dies.
  • She's the only member of the main cast who doesn't have a nickname for Kimihito, (though she's yet to address him in any way outside of pronouns).
  • She's the only girl living with Kimihito to not be immediately shown naked (outside of some imagine spots, but she wasn't actually stripped down). The first time her breasts are actually shown is all the way in Chapter 52.
• Butt-Monkey: It's nowhere near Kimihito, but her head falls off way too easily. Chapter 52 in particular puts her through quite a bit of abuse, some of which is attributable to Kimihito himself.
• Chuunibyou:
  • Turns out that all her death talk and being a grim reaper is just delusional banter equivalent to 8th-grader syndrome.^note A Japanese slang term for delusions of grandeur, culturally associated with young teenagers.
  • She actually does have some supernatural abilities though, which means she may not actually be a chuuni, but is making people believe she is.
• The Comically Serious: The expression on her face rarely changes even in comical moments, which can make her really funny. Her headless body is actually a lot more expressive.
• A Day in the Limelight: Lala gets this in Chapter 38, as the plotline focuses on her and a terminally ill girl in a hospital.
• Demoted to Extra: After her arc's over, she's pretty much a background character that pops in once in a while. This is justified in story by saying that Lala has so little presence that even her own housemates, except for Kurusu, forget she's even there. However, she does get her own chapter.
• Dreary Half-Lidded Eyes: She's a stoic, deadpan dullahan with permanently half-lidded eyes.
• Ethereal White Dress: In the afterlife while talking to Kimihito, she trades in her normal outfit for a simple white dress and white thigh-highs. Upon closer inspection, one can notice she's wearing the white dress normally. She's just not wearing the coat, scarf, and gloves here.
• Friend to All Children: Has a very soft spot for kids. She just can't mingle with them very well.
• Glowing Eyes of Doom: While her head is on her shoulders, they appear normal. Once she's carrying her head in her hands behind Kimihito they appear to be glowing. After being revealed completely, the glow is gone.
• Gory Discretion Shot: Her neck stump looks just as you'd expect from a normal decapitated body to Miia's horror.
• Goth: Turns out that this is basically what she is. Her doom-and-gloom speeches are the same sort of thing you hear from some angry kid discovering black makeup for the first time—her ability to pull her own head off just gives her a bit more dramatic strength. Then again...
• The Grim Reaper: She's a dullahan and refers to herself as both "Death Incarnate" and "The Huntress of Death": ultimately, it's averted, however. In the end, she's just a Monster Girl no more supernatural than the rest of the girls, and her connection to Death is her just playing pretend. She's pretending to play pretend to hide the fact that she actually does have some power over death, though she usually just uses it to talk with Kimihito when he's on the verge of entering the afterlife. The most notable use of her powers is when she banished Wladislaus from Curie for good (and immediately hides from everyone once Centorea, Miia, and Rachnera barge in).
• Hartman Hips: She actually has fairly wide hips underneath that skirt.
• Headless Horseman: She's a dullahan, this comes with the territory. No word on if she has a horse or bike though.
• Idiot Hair: In the shape of a scythe that's nearly as large as Nyarko's. It's notably absent when she's speaking with Kimihito in the afterlife and being incredibly straightforward about her opinion of Kimihito.
  • In chapter 60, it's shown she can use it as an appendage if her head is separated from her body.
• The Immodest Orgasm: Courtesy of Rachnera and Suu on her body while Kimihito and a few of the girls are looking for her head. Kimihito is not amused at the fact that, while he's trying to hide from the police, Lala's head suddenly (and loudly) moans in pleasure.
• I Will Wait for You: In a way, Lala's confession to Kimihito is this. She states she has no interest in chasing him like the other girls do because she knows that one day he will die. And since she is part of the underworld they can be together then.
• Karma Houdini: She uses one of Zombina's teeth to turn an ill girl into a zombie, and this gets Zombina and the rest of MON suspended indefinitely. She and Kimihito explain the situation and apologize, and are forgiven on the condition that Kimihito takes them all on a date, essentially letting Kimihito take all responsibility, and Lala go scot-free. Although in this case, it's a bit arguable considering that both Yuuhi and her parents are extremely grateful for this, and all the MON have already forgiven both of them (Ms. Smith only suspend them due to PR reasons, she's personally okay with the action), and they needed a break anyway.
• Leg Focus: Given that Lala is the only girl among Kimihito's homestays that has fully human-like legs, with Papi's human-like upper thighs and Suu's slimy replicas coming close, the anime and manga do not skimp out on showing them off.
• Limited Wardrobe: Lala has worn four outfits throughout the series but two of those are her standard outfit without the coat, scarf, and gloves while the other one was a kimono she borrowed as a client of the Arctic Inn.
• Losing Your Head: Although a natural thing for her, most of the time is uncalled and unwanted. During her introduction, she lost her head approaching Kimihito and had to get his assistance in finding it as it went rolling downhill and into a park.
• Mundane Utility:
  • She's frequently seen pulling off her head to peek over the shoulders of the other girls and one time made it so a speech bubble didn't block her head in chapter 26.
  • She sometimes uses her scythe for pretty mundane things. Such as offering it to Centorea as a letter opener.
• Mystical White Hair: Her hair is white, which hints at her being a dullahan.
• Obfuscating Stupidity: The others dismiss her talk of being a psychopomp as delusional banter. It's not.
• Offscreen Teleportation: Lala has a tendency to appear and disappear off-panel. Chapter 38 reveals she can actually teleport.
  • She manages to cross a street and get behind Kimihito in the time it took for a truck to pass by breaking his line of sight on her. She pulls it off again when chasing him and the other girls down. She had Rachnera's assistance that time. Justified since in the Irish tales, once a dullahan is after you, you will not get away unless you throw gold at them.
  • When Yukio accidentally freezes Kimihito in Chapter 31, Lala is shown watching him defrost on the next page - presumably after meeting him in the afterlife - with Papi asking her how and when she arrived at the hotspring.
• Out of Focus: Played for Laughs and lampshaded. She "has no presence" and following her arc mostly appears in the background of the house, if at that.
  • She isn't even initially taken with the group to the hot springs, as noted in Offscreen Teleportation.
  • Likewise she is ignored/missing when the group goes to the hotel with Mero.
• Prehensile Hair: It's revealed that she has this in Chapter 60. After her head is accidentally separated from the group on the way to Miia's village, which is implied to be somewhere in Greece, Lala's head winds up in Italy and for the rest of the story is shown in scenes using her hair to hold coffee cups, use cameras, or engage in other traditional tourist activities. This might mean that she was feigning helplessness in her introduction as a means of getting close to Kimihito.
• Psychopomp: She claims to be an incarnation of Death. While this is initially dismissed as a childish delusion, in Chapter 30 it's revealed she can and does communicate with Kimihito whenever he has a near-death experience, though she doesn't actually bring him back to life. She also swats Dracula's ghost to the afterlife when he tries to force Curie to turn Papi into a vampire.
• Real After All: Yeah, as it turns out, Dullahans like Lala really are psychopomps with mystical power over the dead. She's able to effortlessly banish the literal evil ghost of a dead vampire to the next world in order to end its meddling in the world of the living.
• Red Oni, Blue Oni: An interesting case where the head is blue and the body is red. Her head acts calm with little emotion but the body, ironically, is more expressive when they are separate.
• Reverse Psychology: Lala actively employs this tactic to trick people into believing that her status as an actual Psychopomp is just her being overly dramatic. Needless to say, this works on absolutely everyone who hasn't regularly appeared at death's literal doorstep like Kimihito.
• Scarf of Asskicking: Used to hold her head in place.
• Sesquipedalian Loquaciousness: Her longwinded and convoluted formulations make it hard to understand what she wants to say. It's apparently a trait of her species. Later chapters often provide an extra panel or Suu reading her mind to dumb down whatever she's saying.
  Lala: (during her first meeting with Kimihito) However, as long as I remain [headless], I cannot exercise the power of Death. So human, I will now allow you to touch my flesh. Offer up your own body as my temporary host, so that you may do my bidding. Return me to my completed state and allow the glorious darkness to bless me once more!
  Kimihito: ...uh, sorry?
  Lala: [jolts, annoyed] Insolent mortal; such arrogance! I am Death incarnate, and you are merely a pathetic human. You must obey me and help restore my power.
  Kimihito: Yeah, still don't get it.
  Lala: [embarrassed now, voice rising an octave] Um, listen... I-I just want you to take me back to my body, okay? That's all. [sulking] It's no fun being a disembodied head...
• Shown Their Work: The girls mention a "horse-drawn carriage with a headless rider" and the image showed the horse also missing its head. In certain tellings of dullahan stories, this is another way they can appear.
  • Her Sesquipedalian Loquaciousness/Antiquated Linguistics are also most likely based on the fact that many old Irish/Celtic myths were very verbose and prone to Purple Prose.
• Shy Finger-Twiddling: She does this sometimes, usually when confronted by Ms. Smith.
• Sinister Scythe: And she uses it to apparently prepare to decapitate Kimihito, hooking him around the neck as the chapter just ends. Turns out she did this to get his attention. It has an indent in it, and according to her profile, she doesn't really take care of it, so it lacks an edge. Of course, it works just fine as a blunt instrument.
• Sixth Ranger: She joins the group way later compared to the other ladies.
• Soul-Cutting Blade: Her Sinister Scythe might lack an edge and is harmless to people, but if it's a ghost that's a different story.
• Stealth Hi/Bye: Is very good at this, much to Kimihito's dismay.
• The Stoic: Her face is occasionally covered in sweat drops when she is stressed, but her bored stare rarely changes. Like that one time when Rachnera plays with her body.
• Sugar-and-Ice Personality: Lala is very cold and blunt, but still a sweet girl who loves Kimihito just as much as the other girls.
• Supernatural Gold Eyes: She has golden eyes and is revealed to be a psychopomp, setting her apart from the other girls in being distinctly supernatural by the show's standards.
• Take a Third Option: In chapter 38, she puts herself in a dilemma when she meets Yuuhi. Does she allow her to die from a terminal illness, or commit what is apparently a taboo for a dullahan by extending her life? She eventually comes to the decision to turn the girl into a zombie with one of Zombina's teeth.
• The Team Normal: Comparitively, at least. Barring Suu, whose shtick is basically her Bizarre Alien Biology, Lala is the only non-human main character whose biology isn't a human mashed together with an animal. Biologically, she's just a human with a detachable head. This is if you chose to ignore her supernatural powers.
• Together in Death:
  • The letter she sent implied this and was originally thought to just be a case of her chuuni habits.
  • However, she reveals in Chapter 30 she was being literal. In a really odd Your Soul Is Mine! kind of way. As a dullahan, once Kimihito dies, he'll be with her in the afterlife...forever. And she's content to wait until then.
• Token Wholesome: She is the most wholesome member of the group by far. She shows the least amount of skin, has fewer fanservice moments than the others, and for a long time had no nude scenes at all. The Lala-centric Chapter 38 had no notable fanservice whatsoever. Even the first time she did end up naked, it was a flashback that was the result of Kimihito telling a story of questionable veracity. She does get a brief topless scene in the next volume, however. In the full colour opening story for volume 15 she takes an incredibly sexy nude selfie of herself wearing only her scarf, which impresses Miia and Mero... only to immediately delete it from her phone because she doesn't want anyone to actually see it.
• Walking Spoiler: Beyond entering fairly late into the story, it's impossible to explain why she likes Kimihito without revealing that she really IS an agent of Death.
• Your Soul Is Mine!: She doesn't bother trying to fight the other girls for Kimihito's affections because she intends to simply wait until he finally dies and claim his soul in the afterlife.

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