Characters / Love Hina

Here are the characters of the crazy romantic comedy Love Hina.

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Hinata House

Keitaro Urashima

Voiced by: Yuji Ueda (Japanese), Derek Stephen Prince (English)^{Other voice actors}Ricardo Bautista (Latin American Spanish), Carlos Lladó (European Spanish), Alessio De Filippis (Italian, TV series and I Wish Your Dream), Marco Vivio (Italian, Silent Eve), Charles Pestel (French), Kim Hasper (German), Ulisses Bezerra (Portuguese)

The main character, a 19-year-old (one year older in the anime) who has failed the entrance exams for the prestigious University of Tokyo twice. During his third attempt, he is asked by his grandmother to become temporary manager of the Hinata House, a hot springs inn, while she is away on a trip — except she forgot to tell him that it has since been converted into an all-girls' dormitory.

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• Accidental Declaration of Love: In chapter 70, when Naru visits him at the hospital, Keitaro accidentally confesses his love to her on the spur of the moment. Afterwards, Naru avoids him out of embarrassment for a while, until she tells him that she isn't ready to be his girlfriend and to pretend the confession didn't happen.
• Accidental Pervert: It's his defining Running Gag. At least Once per Episode, he somehow walks in on the girls changing or bathing, along with being caught in many Not What It Looks Like moments with them. The fact that he lives in a) a female-only dormitory and b) said dormitory is also a hot spring, the odds are completely against him. In the final chapter, his wedding concludes with him stepping on the skirt of Naru's wedding dress, exposing her underwear to him and all the guests.
• Adventurer Archaeologist: A trait he eventually gets from Seta when he becomes his mentor.
• Age Lift: In the manga he's 19 years old at the start of the story, while in the anime he's 20.
• Amusing Injuries: Every time he's beaten up, often from receiving Naru's Megaton Punch, his injuries are Played for Laughs because other characters know it's nearly impossible to kill him and he can heal from potentially fatal wounds in seconds.
• Apologizes a Lot: Even though he's rarely at fault for his erotic accidents, he always ends up apologizing and taking a beating from the girls.
• Badly Battered Babysitter: Seta hires him to be his assistant, but Keitaro thinks he's more of a babysitter because Seta leaves his adopted daughter Sarah with him very often. Due to Sarah being a violent Bratty Half-Pint, looking after her brings a lot of pain for Keitaro.
• Bare-Handed Blade Block: He once stops Motoko's sword with his bare hands.
• Big Brother Instinct: He acts as a caring older brother figure to Kanako, his adopted younger sister, and Shinobu, the youngest of his tenants.
• Blind Without 'Em: He can't make out people's faces if he isn't wearing his glasses. He and Naru don't recognize each other during the start of their trip to Kyoto because both lost their glasses.
• Bunny-Ears Lawyer: After becoming Seta's protege, Keitaro is still extremely clumsy, prone to verbal slips, losing his focus, and of course never stops being an Accidental Pervert. He also gains the ability to accidentally make amazing archaeological finds, practically tripping over priceless artifacts.
• The Bus Came Back: After losing the first half-year in Tokyo U due to his broken leg, he takes part in an exchange program in the U.S. for a few months. He returns in the middle of Kanako's arc.
• Butt-Monkey: He suffers a lot of misfortunes and frequently gets punched by Naru.
• Cannot Spit It Out: Had a lot of difficulties to confess his feelings to Naru, until the middle of the story, but Naru didn't take it well.
• Caught with Your Pants Down: In the first chapter, Naru walks in on him when he was about to masturbate after Kitsune forced him to fondle her chest.
• Character Development: Turns from a spineless loser to a guy who is still kindhearted, but with at least some guts.
• The Chew Toy: If it's something bad, it happens to him, or he is blamed for it. The worst is almost always thought of him, no matter what he does. With violent results.
• Chick Magnet: Despite his constant Accidental Pervert moments, he wins over most of the girls at Hinata Inn, especially after his return from his U.S. vacation.
• Childhood Friend Romance: From the start, Keitaro is very strongly attracted to Naru and really hopes she's his promise girl even though Naru denies it. Later, it's revealed that Naru was playmates with Keitaro back when both stayed at Hinata Inn during infancy. At their mutual friend Mutsumi's prodding, Keitaro and Naru made a Childhood Marriage Promise, but both forgot about each other as they grew up. In the final chapter of the manga, they get married.
• Childhood Marriage Promise: When he was five, he promised to a girl whose name he can't remember that they would get married after entering University of Tokyo. Because of his bad luck with women, this is the one hope that he can ever become happy. Keitaro trying to figure out if Naru or Mutsumi is his promise girl is the biggest question throughout the entire manga. After many Red Herring, the promise girl turns out to be Naru as Keitaro always thought, except she can't remember because she was only two years old when Keitaro made the promise with her.
• Clueless Chick-Magnet: He fails to realize that there are five different girls (Naru, Shinobu, Motoko, Mutsumi and Kanako) in love with him at the same time, no less. In his defense, a good chunk of them previously hated his guts.
• Covert Pervert: His inner monologues make clear he enjoys being an Accidental Pervert and in the final chapters, he openly admits he loves to see Naru naked all the time even if she always beats him up afterwards. He also had Erotic Dreams with his foster sister Kanako for five nights in a row.
• Crouching Moron, Hidden Badass: After only six months of training, he's able to fight on par with a swordswoman who's trained all her life.
• Determinator: It doesn't matter how many times he fails the entrance exam. He WILL fulfill his promise!
• Drives Like Crazy: After becoming Seta's protege. Like mentor like protege, indeed.
• Earn Your Happy Ending: He goes through tons of pain throughout the series, both physical and emotional. In the end, he gains everything he ever dreamed of. He graduates from the University of Tokyo, becomes a successful archeologist, and marries the girl of his promise, Naru.
• Easily Condemned: The girls, especially Naru and Motoko, are always fully prepared to believe the worst in him and beat the crap out of him at the slightest provocation, especially when they suspect him of doing something perverted. Honestly, after the first few misunderstandings, one would think they'd actually realize that it's Not What It Looks Like.
• Erotic Dream: During sometime, had several with his foster sister Kanako of all people.
• Extreme Doormat: He constantly lets the Hinata's residents step all over him and beat him up, even though, as their manager and landlord, he could easily have them all evicted at any time.
• Forgotten First Meeting: He actually met Naru and Mutsumi at the Hinata House 15 years before the start of the story, but he doesn't recognize either of them as his childhood friends since he barely remembers anything from when he was five years old except for the Childhood Marriage Promise he made. To make matters more confusing for him, he has no idea of which of the two girls is the one he made said promise with.
• A Gift for Themselves: He makes chocolate for himself on Valentine's Day, to avoid being mocked for not getting chocolate from the girls.
• Heroic BSoD: He has several emotional breakdowns during the story, like when he thought he failed in his fourth attempt to get into the University of Tokyo.
• I Want My Beloved to Be Happy: Knowing that Naru has a crush on her former tutor Seta, Keitaro decides to get Naru together with Seta despite his own feelings for her. Of course, he doesn't realize Naru is more interested in him than Seta now.
• Iron Butt Monkey: There's a joke that says he's immortal, since even with the constant abuse and Megaton Punches he suffers, he somehow remains unharmed. Everyone is surprised when he has his leg broken after having part of a building fall on him.
• Junior Counterpart: After he finally makes it into University of Tokyo, Keitaro decides to become an Adventurer Archaeologist just like his mentor Seta. Keitaro even changes his glasses for ones that look exactly like Seta's. In the epilogue, Keitaro mostly looks and acts like a younger Seta.
• Love Informant: He tries to confess Naru's crush on Seta in her stead, despite Naru being over Seta for the most part because of Keitaro. It doesn't work because Seta pulls a Bait-and-Switch Sentiment.
• Made of Iron: He falls from high places, is punched by Naru, is kicked by Su, gets hit by Motoko's sword techniques and by hard-hitting things, and even drowns in the middle of Pacific Ocean. He survived all of this with only minor injuries.
• Mistaken Declaration of Love: He accidentally confesses his love to his adopted sister Kanako after mistaking her for Naru. To make it even more problematic, he did it at an abandoned inn with the magical power of forcing the couples who confess there to be bound for life.
• Morality Pet: Though Kanako is an antagonist to all the girls at Hinata Inn, she has a deep admiration for her foster brother Keitaro.
• Naked First Impression: When he first arrives at the Hinata House, he goes to bath at the hot springs moments before Naru gets in too. After Naru realizes a little too late that he isn't Kitsune, Keitaro runs all over the inn and meets the girl residents one by one while he's wearing nothing but a short Modesty Towel.
• Nice Guy: Despite being awkward, clumsy and unlucky, he is a nice guy who cares for his friends and this was one of the reasons for the girls to fall for him.
• Nigh-Invulnerable: The one occasion when he's seriously injured by something is met with absolute astonishment by the rest of the inn's tenants.
• Oblivious to Love: He is completely clueless about his Unwanted Harem's feelings for him, although he thinks Naru maybe likes him. This was lampshaded by Haruka in the end of story when he said he thought the girls were just toying him. In the end, he is aware of Motoko's, Shinobu's and Kanako's feelings.
• Official Couple: He and Naru start dating in the final volumes of the manga. The final chapter is their wedding.
• Oh, Crap!: He has a big moment during his fourth attempt to get in the University of Tokyo. He sleeps during the exams and wakes up with five minutes to go, without answering a single question.
• Out-of-Character Moment: Chapter 55 deals with him not being an Accidental Pervert, for once, while studying for his fourth attempt to enter the University of Tokyo.
• The Pirates Who Don't Do Anything: He's supposed to be the temporary manager/landlord of Hinata Inn while his grandmother is away, but he doesn't really do any management-related duties onscreen and spends most of his time studying for entrance exams. Much of the day-to-day management seems to be done by Haruka instead.
• Poor Communication Kills: Poor communication is one of the reasons why he gets in trouble in the Hinata Inn, like when he was mistaken by a pervert in the beginning of the story.
• Rōnin: At the start of the series, he has failed entrance exams for the University of Tokyo twice, then fails again on his third attempt. He finally passes the fourth time around.
• Screw This, I'm Outta Here: After thinking he failed to get in Tokyo U again due sleeping in the middle of exam, Keitaro gets so frustrated to the point of abandoning everything and getting into the first ship to the north pole.
• Single-Target Sexuality: During the progress of the story, he doesn't pay attention to the other girls vying for his affections because he's focused on Naru. Keitaro even affirms he doesn't care if Naru is the promise girl or not, she's the only one for him. And then it turns out she was the promise girl all along, meaning Keitaro was in love with Naru almost his entire life.
• Starving Student: The reason why he's forced to accept the role as landlord at Hinata Inn. And even then he's forced to take a part-time job as Seta's assistant.
• Supreme Chef: Became this first through working at his parents' pastry shop, became good at it by making fake cakes for himself on Valentine's Day.
• Teeny Weenie: Apparently, his thing is so small that when Shinobu got a Naked First Impression from him, she admitted that what she saw wasn't anything to be freaked out about.
• Took a Level in Badass: After six months of traveling overseas with Seta, Keitaro learns Jeet Kune Do from Seta. When he comes back to Japan, Keitaro is able to fight on equal terms and, after a couple of rounds, defeat Motoko in a sword fight.
• A Twinkle in the Sky: Whenever he gets punched to the high heavens, there is a small, bright flash in the sky.
• Unlucky Everydude: He was a victim of low self-esteem, bad grades and terrible luck with girls, and was initially only kept afloat by a near-irrational optimism.
• Unresolved Sexual Tension: Keitaro and Naru are very attracted to each other from early on, but his Accidental Pervert moments, Moment Killers from other characters and Naru's diehard Tsundereness keep their relationship from making any real progress until they get together near the end of the manga.
• Unwanted Harem: Subverted. In the beginning, he was very happy to live along beautiful girls. In the progress of story, he started to focus on Naru but he still wants to live in Hinata Inn with all girls as close friends.
• Worth It: In the end of history during his last and definitive Love Confession, Keitaro said it's worth to see Narusegawa naked despite being punched by her.

Naru Narusegawa

Voiced by: Yui Horie (Japanese), Dorothy Elias-Fahn (English)^{Other voice actresses}Karina Altamirano (Latin American Spanish), Noemí Bayarri (European Spanish), Perla Liberatori (Italian, TV series and I Wish Your Dream), Francesca Guadagno (Italian, Silent Eve), Barbara Tissier (French), Maria Koschny (German), Melissa Garcia (Portuguese)

The main female character, a 17-year-old top scorer at mock exams and a resident of the Hinata House. While initially disdainful of Keitaro, his poor academics and his accidental perversions, she starts to fall for him. She made a promise with her old private tutor and crush Seta to enter the University of Tokyo and helps Keitaro with his studies so they can get in together.

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• Accidental Kiss: Her first kiss with Keitaro happens by accident when Sarah kicks Naru in the back of the head.
• Adaptation Dye-Job: In the manga, her hair has an orange tint to it. The anime gave her light brown hair.
• Adaptational Jerkass: Her abusive Tsundere "antics" towards Keitaro are exaggerated in the anime and her most significant Pet the Dog moments are left out. It's really not helped by how her Character Development doesn't start to become apparent until the last two episodes of the first series.
• Aesop Amnesia: She completely forgot the lessons which Keitaro learned (thanks for her help) and spent the last moments in the story running away from Keitaro and from her own feelings, three times no less.
• Alliterative Name: Naru Narusegawa. Averted once she gets married and her name becomes Naru Urashima.
• Almost Kiss: With Keitaro too many times to count. Most of the times they try kissing, someone or something like their own glasses get in the way and spoil the mood.
• Aren't You Going to Ravish Me?: One chapter has Keitaro so immersed in his studies that he doesn't notice the habitual Accidental Pervert incidents around him. Not even Naru trying to entice him can take his mind off studying. Naru actually gets upset about this, worrying that Keitaro might not find her attractive anymore.
• Beautiful Dreamer: Keitaro is so charmed by Naru's sleeping face that he tries to kiss her in her sleep. Naru wakes up and gives him the standard Megaton Punch.
• Betty and Veronica: Keitaro's two promise girl candidates are Naru and Mutsumi. Naru is the violent Tsundere who denies her feelings for Keitaro and punches him all the time, making her the Veronica. Of course, Keitaro only has eyes for Naru from the start and Mutsumi never tries to compete with Naru because she thinks they're a perfect match and she knows Naru is the promise girl.
• Blind Without 'Em: Her eyesight is so bad that when she and Keitaro have a Naked First Impression, she mistakes him for Mitsune until she puts her glasses on. An entire episode is centered on her traveling with Keitaro while being unaware that he was there because her glasses were broken.
• Book Smart: Totally opposite from the three-year Rōnin Keitaro, Naru ranked first on Japan's national mock exam. Still, she failed the University of Tokyo's entrance exam on her first try which came as a shock to her. She manages to pass on her second try a year later.
• Butt-Monkey: The second biggest in the main cast after Keitaro. She flunks the UA exams just as much as he does despite studying intently for it and consistently makes an idiot out of herself in front of Seta, her crush.
• Cannot Spit It Out: Even once she starts to realize that she loves Keitaro, she won't admit it. In fact, the last major arc is built entirely on resolving that issue.
• Catchphrase Insult: She frequently calls Keitaro "pervert ronin" or just "pervert", though she starts toning it down as the manga progresses.
• Character Exaggeration: Her short temper and violent reactions to Keitaro's Accidental Pervert antics are exaggerated in the anime.
• Childhood Friend Romance: While she can't remember any of it, Naru was playmates with Keitaro when she stayed at Hinata Inn in her infancy and despite being only two years old at the time, she had a crush on him. Keitaro liked her back and having noticed this, Mutsumi made Keitaro promise the toddler Naru they would become a couple after entering University of Tokyo together. The final chapter of the manga is their wedding.
• Clingy Jealous Girl: She doesn't like it when Keitaro is with other women.
• Cool Big Sis: She can act like a nice and protective older sister to the younger girls like Shinobu, Sarah, and Nyamo. She even tries her best to be this to Kanako despite how nasty the latter is being to her and her friends because she wants to get along with Keitaro's little sister.
• Crotch-Grab Sex Check: She accidentally did this to Keitaro during their Naked First Impression. Naru's hands feeling up something "hard" in Keitaro's crotch was what tipped her off that the one in the hot springs with her wasn't Kitsune.
• Deuteragonist: Naru is the other half of the main Official Couple and from the start, she shares Keitaro's goal of entering the University of Tokyo, making her the main character just as much as he is. She's also the entire reason why the story happens because she's Keitaro's promise girl. During the first half of the Kanako arc, Naru actually takes over the role of protagonist for some time while Keitaro is absent.
• Dude Magnet: According to Mitsune, Naru was so popular with guys in middle school that about twenty or thirty tried to ask her out.
• Expy: Akamatsu states he modeled Naru after Cynthia "Cindy" McDougal from his early manga A.I. Love You.
• Fiery Redhead: She has orange-brown hair and a temper ready to go off at even the suggestion that Keitaro might be less than chivalrous, regardless of whether or not he is being objectionable.
• First Girl After All: Keitaro suspects Naru is the girl of his promise from the beginning, but she denies it because she doesn't remember meeting him before and she was two years old when he made said promise. Turns out she did meet Keitaro when they were little kids and despite not remembering it, she is the girl of his promise.
• First Girl Wins: Naru is the first girl Keitaro meets at the Hinata Inn, after which she stays his main love interest for the entire series. She's even confirmed to be the girl Keitaro promised to marry when he was a kid. In the final chapter, she marries Keitaro.
• First Love: Naru is the girl Keitaro has wanted to marry since he was five. They forgot about each other because they were so young when they made their Childhood Marriage Promise, only to fall back in love when they meet again as adults.
• Forgotten First Meeting: Later on, she finds out she met Keitaro and Mutsumi 15 years ago when she was sent over to the Hinata House in hopes that its climate would help improve her health. It was around that time she and Keitaro made their Childhood Marriage Promise with Mutsumi's help.
• Girlish Pigtails: When she was in middle school, she tied some of her hair into twin-tails. Keitaro thinks she looked very adorable with these. Nowadays, she occasionally wears her hair in twin braids when she's being her "nerdy" self.
• Girls Love Stuffed Animals: She has a Liddo-kun doll that she keeps over the hole between her's and Keitaro's rooms. It originally belonged to Mutsumi.
• Go-Getter Girl: Ever since Seta inspired her in middle school, Naru has spent every single day studying as hard as possible to enter the University of Tokyo, the most prestigious university in the country.
• Hair Antennae: She has one, but is definitely not a ditz.
• Hair-Trigger Temper: Naru goes from calm to extremely angry with minimal provocation, and usually deals with it by beating the crap out of Keitaro.
• Has a Type: The two men she fell for have dark hair and wear glasses, both were Rōnin who failed to get into University of Tokyo three times and then became Adventurer Archaeologists with good training in martial arts. Both are also superhumanly resistant to Amusing Injuries.
• He Is Not My Boyfriend: She denies having any romantic interest in Keitaro too many times to count, and yet nobody is convinced.
• High-Class Gloves: Her Fairytale Wedding Dress at the end of the manga includes long, white gloves.
• Hot Teacher: After making it into University of Tokyo, Naru starts working as a teacher in preparatory courses since she was inspired by Keitaro's passion for archeology to find her own career. A few years later, Naru has become a successful and beautiful teacher.
• Hypocrite:
  • Once ridiculed Keitaro's hopes of getting with his promise girl on the basis that he's a spineless dork. Keitaro retaliated by saying that Naru could never get with her promise guy because she's violent. Instead of realizing how mean she was being, Naru just bursts into tears, making Keitaro feel guilty for something she started. She does eventually acknowledge that what she said was uncalled for and apologizes to him.
  • Then there's the occasional moment where Naru attacks Keitaro for the crime of undressing in his own room just as she walks in unannounced.
  • Naru frequently punches Keitaro for many perceived slights. However, when Naru tries to do it again on a tied and gagged Keitaro, Kanako intercepts and punches her. Naru doesn't take that particularly well.
• Informed Attractiveness: She is supposedly the most beautiful of all the girls and even deliberately dresses dowdily when at school to stop boys from hitting on her, even though she isn't drawn any differently from the other girls and Mutsumi has bigger breasts, Kitsune is much more willing to dress sexily and Motoko is a Statuesque Stunner, but Naru is invariably the one who draws in the most boys.
• Insecure Love Interest: For the entire series, Naru constantly doubts she's the right woman for Keitaro no matter how many times he tells her he loves her more than anyone. The closing chapters center around Naru thinking her relationship with Keitaro is doomed to be unhappy because she can't believe she's the girl of his promise even though she is.
• Irony: Naru believes the girl of Keitaro's promise would definitely still remember him because a girl couldn't possibly forget something so important as her First Love. Later on, Naru finds out she liked Keitaro when they were kids and forgot all about him because she was only two years old at the time. She even forgot she was the girl who made the promise with Keitaro.
• It Was a Gift: Her Liddo-kun plushie was a gift from Keitaro when they were little kids. After Mutsumi told Keitaro about the story of the lovers going together to University of Tokyo, she pushed Keitaro into making his promise with Naru and gave her Liddo-kun to Keitaro so he could give it to Naru as a symbol of their promise.
• I Want My Beloved to Be Happy: After being convinced that Mutsumi is Keitaro's promise girl, Naru tries to step out of the way because she thinks Keitaro and Mutsumi are destined to be together. As expected, it doesn't last because Keitaro already chose Naru regardless of who is his promise girl and Mutsumi always wanted Naru to have Keitaro.
• Jerk with a Heart of Gold: She has a Hair-Trigger Temper, and is always quick to judge when it comes to Keitaro, usually resulting in him getting a Megaton Punch. That being said, Naru is also the most reliable and compassionate member of the household, and will stick her neck out for anybody that needs help.
• Just Friends: When Keitaro finally confesses his love for her, Naru acts as it didn't happen and avoids him for a long time until she finally admits she does like him back, but prefers to stay friends with him like usual instead of start dating him. It's until she's forced to be honest about her feelings at the end of the Kanako arc for Naru to finally give in and become Keitaro's girlfriend.
• Kiss of Death: When possessed by the Hina Blade, Naru sucks Tsuruko's lifeforce by kissing her in the mouth.
• Lacerating Love Language: She's pretty much known for her violence, and struggles to come to terms with her romantic feelings towards Keitaro as a result.
• Laser-Guided Karma: When Kanako shows up, Naru learns to regret what she did to Keitaro. Particularly as he took notes on the specifics as to what was done.
• Last-Name Basis: Even though she calls Keitaro by his first name, he never calls her by hers even after they get married and her last name isn't Narusegawa anymore.
• Love Makes You Dumb: Being around her middle school crush Seta makes Naru act silly and clumsy on a level comparable to Keitaro and Mutsumi.
• Master of the Mixed Message: Throughout the entire manga, especially the final volumes, Naru confuses the hell out of Keitaro because she won't be clear about her feelings for him. She admits she likes Keitaro back and doesn't want any other woman to have him, but she isn't sure she wants to date him, so she ends up repeatedly avoiding him and sending very mixed signals. Most of the last parts of the manga are basically Naru going back and forth between competing for Keitaro with Mutsumi or Kanako and running away whenever others tell her to be honest about how she feels about Keitaro.
• Matchmaker Crush: For a short time, Naru tries to push Keitaro and Mutsumi together due to being convinced that Mutsumi is Keitaro's promise girl but she really isn't. All her matchmaker attempts backfire because Keitaro only wants Naru and Mutsumi wants Naru to get together with Keitaro too.
• Megaton Punch: She sends Keitaro to the high heavens with her "Naru Punch" all the time.
• Ms. Fanservice: She is the main source of fanservice in the manga and anime. The author himself, in the extra, apologizes for having drawn her naked so often.
• Naked First Impression: Her first encounter with Keitaro was at the hot springs with both of them completely naked. Made more awkward by Naru mistaking him for Kitsune due to not wearing glasses at the moment and showing off her breasts to him before she figured out he was a man. This also happens in the anime, but it included a Pre-Meeting at the Sasaki Seminar. However, this wasn't really the first time they met; they were childhood friends, but they can't remember it because they were very young.
• Naked on Arrival: She's completely nude during her introduction because she went to take a bath without knowing Keitaro was at the hot springs.
• The Obstructive Love Interest: For most of the series, Naru repeatedly misunderstands Keitaro's actions and punishes him for Accidental Pervert incidents that are out of his control. She even beats him up when she knows he isn't at fault. Despite this, she eventually admits her feelings for him and they become a couple.
• Official Couple: In the final volumes, Naru finally stops denying her own feelings and becomes Keitaro's girlfriend. In the final chapter, they get married.
• The One Thing I Don't Hate About You: She can't stand that Keitaro is a dorky, clumsy and wimpy Accidental Pervert, but she does admire his determination to get into University of Tokyo and feels very disappointed when he almost gave up on it after failing the entrance exam for the third time.
• Overshadowed by Awesome: She packs a powerful punch, although she's not as proficient as Motoko with her kendo or as Keitaro when he also learns how to fight from Seta.
• Pervert Revenge Mode: A few times in the series, Keitaro accidentally walks in on Naru changing her clothes. Understandably, she punches him. She also punishes him after catching him doing something pervert with other girls too.
• Private Tutor: She becomes Keitaro's tutor to help him do better at the tests for Tokyo U. This later inspires her to become a teacher.
• The Promise: Similar to Keitaro, her motivation for entering the University of Tokyo is a promise she made to an old crush. In her case, she wants to follow her ex-tutor Seta who graduated from University of Tokyo and now works there as an archeologist. She had actually already made a promise to both Keitaro and Mutsumi to go to University of Tokyo with them when they grew up, but she can't remember because she was a toddler at the time.
• Redheads Are Ravishing: Naru is a redhead in the manga^note the anime changed her hair color to light brown, she's Keitaro's main love interest, and is considered highly attractive in-universe. It's mentioned that her looks attract so much male attention that she deliberately makes herself appear plain-looking by wearing glasses and tying her hair into braids so guys don't hit on her and she can focus on her studies.
• Reflexive Response: She reflexively denies being Keitaro's girlfriend after she's engaged to Keitaro.
• Reluctant Fanservice Girl: She gets put in humiliating fanservice situations the most frequently out of all the girls by far.
• Repetitive Name: Naru Narusegawa.
• Rōnin: Failed to get into the University of Tokyo on her first try.
• Sexy Sweater Girl: Her most well-known outfit comes with a tight yellow sweater that shows off her chest.
• Sickly Child Grew Up Strong: Naru was very weak and sickly when she was a toddler. In the present, however, she has superhuman strength and knows Jeet Kun Do thanks to Seta teaching her.
• Single Woman Seeks Good Man: She at first detests Keitaro for being an Accidental Pervert and a Rōnin, but she falls for him after seeing his dedication to entering the University of Tokyo.
• Smart People Wear Glasses: She's often praised for her outstanding academics and needs to wear big round glasses when she studies because all the time she spent reading ruined her eyesight. Later in the manga, Shinobu and Motoko wear glasses like Naru's when they study because they want to be as smart as her.
• Tarnishing Their Own Beauty: She deliberately ties her hair into braids and wears Opaque Nerd Glasses when she goes out in public to keep boys from hitting on her (since she wants to focus on her studies).
• Teacher/Student Romance: She has a crush on Seta, who was her tutor in high school. He helped inspire her to go to Tokyo U.
• Through His Stomach: The food she prepares doesn't look very appetizing, but Keitaro does enjoy Naru's cooking and says she would make a good wife for it.
• Took a Level in Kindness: In the last parts of the story, after becoming a couple with Keitaro, Naru becomes nicer towards him and hits him less often.
• Tsundere: She has problems dealing with her feelings, resulting in her overaggressive temper towards Keitaro and stubborn refusal to admit her love for him. Even after she accepts it, she still turns violent at the drop of a hat without giving Keitaro a chance to explain himself.
• Unprovoked Pervert Payback: Her bad habit.
  • Once she walks in on Keitaro changing and she punches him anyway. Naru justifies herself saying it was "a reflex".
  • One time, she tries to hit Keitaro on the grounds that he must be thinking something perverted.
  • Another time, Tama-chan the turtle has gone missing, and Naru and Keitaro are looking for it. Shinobu has just got home and is changing her clothes, when she is scared by Tama-chan and comes running up to them clad only in her camisole, grabbing Keitaro in panic. He's too busy trying not to choke to notice her, yet Naru still hits him "just in case".
• Unresolved Sexual Tension: Keitaro likes her and she likes him back, but because of his bad luck and her being such a diehard Tsundere, their relationship stays stalled until Naru is forced to finally be honest about her feelings and becomes Keitaro's girlfriend near the end of the manga.
• Well, Excuse Me, Princess!: She constantly criticizes Keitaro's poor academic performance. Once his grades finally improve, he accredits it to Naru pushing him to give his best.

Mitsune "Kitsune" Konno

Voiced by: Junko Noda (Japanese), Barbara Goodson (English)^{Other voice actresses}Adriana Núñez (Latin American Spanish), Ana Orra (European Spanish), Domitilla D'Amico (Italian, TV series and I Wish Your Dream), Beatrice Margiotti (Italian, Silent Eve), Laura Préjean (French), Sonja Spuhl (German), Suzy Pereira (Portuguese)

A 19-year-old member of the Hinata House and a freelance writer, who hails from the Kansai region. Trickster, troublemaker, and professional layabout. In contrast to her best friend, Naru, she revels in her assets, and is not above using every scheme in the book to get her way, or at the very least make the house less boring.

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• Accent Adaptation: She's given a Southern accent in the English dub to reflect her Kansai dialect in the original Japanese.
• Animal Motifs: Foxes; she's nicknamed "Kitsune" (Japanese for "fox") since it sounds similar to her real given name (Mitsune), and her permanently closed eyes resemble those found in Japanese depictions of foxes. Her mischievous and deceitful personality also matches the fox stereotype.
• Ascended Extra: The anime gave her a larger part to play in the Keitaro/Naru/Mutsumi triangle and explored further her crush on Seta.
• Boyish Short Hair: The shortest hair of the girls, at least until Motoko cuts hers off towards the end of the manga.
• Cool Big Sis: She serves as a playful older sister figure for Naru and Shinobu.
• Crocodile Tears: In the first chapter/episode, Kitsune tries to seduce Keitaro because she thinks he's already a promising Tokyo U student. She forces him to touch her chest and when they get caught by Naru, Kitsune plays the victim by crying.
• Eyes Always Shut: Both of her eyes are typically closed, giving her a mischievous appearance. She'll occasionally open one eye, but she only opens both eyes when she's surprised.
• Girlish Pigtails: When she was younger, she tied her hair in pigtails, making her look more youthful.
• Gold Digger: Downplayed. She really wants a rich boyfriend and her early interest in seducing Keitaro is only because she sees potential in him becoming rich if he does get to Tokyo U. However, she is not willing to cross the line, neither is in a rush of getting a rich man due to laziness.
• Good Bad Girl: Never confirmed, but she's constantly suggesting a more liberated take on sexuality for herself and others. Of course, she could just be messing with people.
• Hard-Drinking Party Girl: She's always up for some mischief and scheming, and in the manga she's seen hung over or drunk a few times. Toned way down in the anime.
• The Idiot from Osaka: Downplayed since she's from Kansai and speaks with the requisite dialect but she's no idiot, being a seductive trickster instead. That said, she does fit a few other stereotypes, such as being short on cash and her love of alcohol.
• Idiot Hair: She has a notorious cowlick standing atop her head, although it's inverted since she's no idiot.
• In-Series Nickname: Kitsune, partly as a pun on her name, partly because she sort of looks like a fox, and partly because of her wily scheming.
• It Amused Me: Many of her mischievous deeds boil down to this.
• I Want My Beloved to Be Happy: Didn't pursue a relationship with Seta because Naru had a crush on him as well. In the anime, she tells Naru not to have this mentality for Keitaro.
• Matchmaker Crush: She'll occasionally make efforts to help Keitaro become closer to Naru, although mostly because she likes seeing the inevitable result. She also occasionally helps Naru out as well, with more sincerity. By the time of the Kanako arc, Kitsune openly admits that she has fallen for Keitaro like everyone else in Hinata Inn and joins them in trying to steal Keitaro away from Naru in the Kingdom of Molmol arc.
• Meaningful Name: Or Meaningful Nickname, in this case; she's nicknamed "Kitsune", which is Japanese for "fox" and sounds very similar to her real given name, Mitsune. It fits with her cunning, mischievous personality and her constantly closed eyes.
• Out of Focus: She's notably the only one of the main cast who never gets her own storyline. Even Mutsumi and Sarah get more fleshing out than she does. Even Akamatsu himself admits with regret she is an underused character with a potential for a lot more backstory.
• The Pirates Who Don't Do Anything: She's supposedly a freelance writer, but we never really see her doing any writing.
• Pretty Freeloaders: So far as anyone can tell, she doesn't actually work; she just hangs around the Hinata House and occasionally makes mischief for Keitaro. While it's said offhand a few times that she does pay rent, it's unclear just where the rent money comes from.
• The Resenter: She is Naru's best friend, but deep down she resents that Naru was always way more popular with guys than her...which is to say that she resents the assumptions made by the guys concerned, not Naru.
• Satellite Character: Her role in the story mostly revolves around helping Keitaro understand Naru better, such as informing him of Naru's longstanding crush on Seta.
• Teacher/Student Romance: Has had a crush on Seta. Much more explored in the anime than in the manga.
• The Tease: In the first chapter, she tries to seduce Keitaro in exchange for reduced rent and she's frequently the one dresses in the most revealing outfits, especially short-shorts.
• Unreliable Narrator: Kitsune starts explaining Naru's past, and says that Naru and Seta were in a Teacher/Student Romance at the time. She then immediately states "If that had happened, it would have been interesting."

Shinobu Maehara

Voiced by: Masayo Kurata (Japanese), Bridget Hoffman (English)^{Other voice actresses}Adriana Casas (Latin American Spanish), Carmen Calvell (European Spanish), Barbara Pitotti (Italian, TV series and I Wish Your Dream), Francesca Manicone (Italian, Silent Eve), Frédérique Marlot (French), Giuliana Jakobeit (German), Samira Fernandes (Portuguese)

Shinobu, the youngest member of the House at 13 years old, decided to live on her own due to her parents' divorce and her refusal to choose between which parent to live with. She and Kaolla are the youngest residents of the House, being the mild-mannered counterpart to the energetic Kaolla.

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• Adaptational Angst Upgrade: The manga only offhandedly mentions Shinobu ended up in Hinata Inn because of problems at home. On the other hand, the anime has an Adaptation Expansion showing Shinobu comes from a troubled home where her parents were in the process of getting divorced. She decides to live at Hinata Inn with Keitaro instead of keep listening to her parents argue over who she is going to stay with.
• The Baby of the Bunch: She's the youngest resident of the Hinata Inn, being only 13 years old. Keitaro and the girls usually look after her because of this.
• Book Dumb: She says she gets bad grades at school, which destroyed her self-confidence until Keitaro inspired her to keep trying to improve in her studies. Despite her efforts, she still does so poorly at school that she gets a zero in a test at one point.
• Cannot Spit It Out: So many times she could confess to Keitaro, but she's too shy to do so.
• Can't Hold Her Liquor: She once got completely plastered on half a glass of alcohol. Justified considering that she's thirteen at that point.
• Covert Pervert: She's shy and reserved, yet she nearly admits to liking being seen naked by Keitaro at a few points.
• Fan of Underdog: She seemed inordinately optimistic of Keitaro compared to other others.
• Feminine Women Can Cook: Easily the most traditionally feminine of the Hinata House residents. She's also the one generally in charge of food prep, even considering that she's either the youngest or second-youngest at the start of the series.
• Forceful Kiss: She steals a kiss from Keitaro at the end of their "date".
• Forgiving the Accidental Pervert: She's the most forgiving of Keitaro's Accidental Pervert moments.
• Grew a Spine: She goes from an extremely shy girl to a social girl who is confident about her wits. In the epilogue, her shyness has completely vanished.
• Hopeless Suitor: She has a big crush on Keitaro, but he only cares for her as a little sister at best and the only girl he has feelings for is always Naru.
• I Want My Beloved to Be Happy: She never stops loving Keitaro, but towards the end of the manga, she finally accepts he can love no one but Naru and lets them be together.
• Nice Girl: She's genuinely kind and tries to see the best in everyone. And she wouldn't think of intentionally harming anyone. Of course, this just means that all of the punishment that Keitaro gets from her is either an accident or (more likely) from one of the other girls misinterpreting her reaction. She shows signs of moving away from this in the final volume.
• Odd Friendship: With Kaolla and Sarah - for all that she's a shy and retiring girl that likes to take it easy with her hobbies, she sure gets along well with hyperactive tomboys.
• Parental Abandonment: In the anime version, she lives at Hinata House because she couldn't deal with her parents's divorce.
• Precocious Crush: She's too young to even show up on Keitaro's radar, but that hasn't made her feelings wane.
• Prone to Tears: She's so sensitive that she's the most likely to cry at the smallest thing, which typically is interpreted by Naru and/or Motoko as "proof" that Keitaro did something wrong to her.
• Purely Aesthetic Glasses: She tries wearing Opaque Nerd Glasses like Naru's when studying. Unlike Naru, she doesn't need them; she just wants to look smarter.
• Shipper with an Agenda: At least once, Shinobu considers the idea of letting Naru get together with Seta so she doesn't have to worry about her biggest competition for Keitaro's heart.
• Shrinking Violet: Extremely quiet and timid, Shinobu will frequently end up mumbling her comments, only to end up shrinking from how boisterous the response is... even if it's positive.
• Shy Blue-Haired Girl: She's a super-shy girl with dark blue hair.
• Single Woman Seeks Good Man: She's the one who immediately notices Keitaro's good qualities and does her best to actually extoll them.
• Supreme Chef: She is very good at cooking and everyone in Hinata House approve her food.
• Teacher/Student Romance: Keitaro eventually becomes her private tutor to help her improve her bad grades and her crush on him reminds Naru of her teenage crush on her own tutor Seta.
• Team Chef: The resident cook of the Hinata House.
• Token Mini-Moe: Being the youngest member of the harem, Shinobu is flat-chested and much shorter than the rest of the girls at the Hinata Inn.
• Unrequited Love Lasts Forever: In the Distant Finale, Shinobu hasn't given up on her dream of someday becoming Keitaro's girlfriend despite him marrying Naru.

Motoko Aoyama

Voiced by: Yuu Asakawa (Japanese), Mona Marshall (English)^{Other voice actresses}Isabel Romo (Latin American Spanish), Assumpta Navascués (European Spanish), Alessia La Monica (Italian, TV series and I Wish Your Dream), Antonella Baldini (Italian, Silent Eve), Nathalie Homs (French), Maxi Deutsch (German), Raquel Marinho (Portuguese)

A 15-year-old kendo practitioner and member of a family with their own style of kendo. While seemingly calm and aloof at first glance, she's likely the least stable of the dorm residents, as she has severe insecurities about men, her own sense of femininity, her family, and turtles.

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• Absurd Phobia: She has an incomprehensible fear of turtles — made all the more jarring by the fact that the House does have a pet turtle. And said turtle has a crush on her. Supplementary materials reveal that she developed her fear of turtles from accidentally walking in on her sister and brother-in-law in an intimate position, since "turtle head" is Japanese slang for "penis", but even with that explanation it's kind of a stretch.
• Action Girl: She stands out as a trained swordswoman all the more in a romantic comedy series with little to no focus on action. It comes in handy at least once when she had to fight off a Demonic Possessed Naru.
• Aloof Dark-Haired Girl: Subverted. She is very attractive, tall, raven-haired, and on the surface she seems very aloof and serious. However, it turns out that she's not as put together as she looks, having a Hair-Trigger Temper and quite a few insecurities that she struggles with.
• Ax-Crazy: With her Hair-Trigger Temper and her willingness to use her sword on anyone who annoys her even slightly (i.e. Keitaro), Motoko is clearly not the poster girl for sanity.
• Badass Adorable: A Master Swordswoman who's stoic and cold on the exterior, however she frequently acts like a feminine teen girl behind everyone's back and longs for romance.
• Bad Liar: Tried to lie to her sister, two times, and she quickly discovered it.
• Beautiful Tears: When she feels like a failure at both swordsmanship and femininity, Motoko starts crying and hugs Keitaro as she's moved by him comforting her despite how badly she has treated him. Keitaro blushes and thinks Motoko looks cute in her vulnerable state, but fights the urge of hugging her back because he doesn't want to take advantage of her.
• Beware the Superman: Played for Laughs; the Shinmei-ryū style of kendo was created specifically for protection and Demon Slaying. Motoko, the school's heir, is a borderline Ax-Crazy girl with a Hair-Trigger Temper who uses these skills to assault anyone who even slightly irritates her, dealing a lot of Amusing Injuries.
• Big Sister Worship: Motoko has idolized her older sister Tsuruko since she was a child and even now, she doesn't believe she can ever be even half the Master Swordswoman Tsuruko is.
• Black Swords Are Better: She eventually gains the Hina Blade, a black katana that Keitaro gives to Motoko as a replacement blade for her Shisui katana that her older sister broke. This was actually a cursed sword that makes the wielder go insane, but Motoko seals the evil in the sword so she can use it without being possessed.
• Boyish Short Hair: She cuts her hair short near the end of the manga, giving her a boyish look. She's far more feminine by that point than she was at the beginning, ironically. By the epilogue she's grown it back.
• Break the Haughty: Motoko insults, attacks and looks down on Keitaro from the moment she meets him. After she's humiliatingly defeated by Tsuruko and keeps failing at acting feminine, Motoko breaks down crying in front of Keitaro as she admits her current state is far more pathetic than he has ever been.
• Can't Bathe Without a Weapon: She doesn't part with Shisui even during the many Hot Springs and Public Bathhouse Scenes in the story.
• Character Development: One of the most developed characters of the story. She starts as a girl completely focused in her training, thinking love is useless. She ends up conciliating her training with a normal life, going to Tokyo U and wanting Keitaro as her husband as a result.
• Clothes Make the Superman: Episode 12, which centers around her, has her unable to focus her ki after her usual outfit ends up in the wash and she's forced to wear dresses instead. It's subverted by the end after Keitaro talks some sense into her to make her understand dressing like a woman won't automatically make her weak.
• Contralto of Strength: Motoko is the toughest and most action-oriented girl in the series, and she also has the deepest voice out of anyone in the Unwanted Harem.
• Covert Pervert: In the last part of story, while she spaces out while studying, she has a habit of writing out extremely risque love stories inspired by the forbidden relationship between her and Keitaro.
• Cry into Chest: After losing her first duel with Tsuruko and failing at being Meido, Motoko breaks down and cries into Keitaro's chest as he tries to comfort her.
• D-Cup Distress: She complains that since her breasts are so big and still growing it becomes difficult for her to wrap her sarashi.
• Defrosting Ice Queen: She's the most callous towards Keitaro at first, ready to actually kill him (whereas even Naru only wants to beat him up and keep him away). She's also the one most dismissive of his failures to get into Tokyo U at first. She later learns that he isn't a bad person at all and just how much determination it takes to keep going after some of the things he's been through.
• Does Not Like Men: She despises the male gender because she thinks All Men Are Perverts and blames them for her older sister quitting the dojo to get married. She starts to make an exception by falling for Keitaro.
• Dude, He's Like, in a Coma!: In her final story arc, Motoko takes a kiss from Keitaro while he's unconscious twice.
• Entitled Bitch: When she returns from her training in the third episode, she forcefully attempts to make Keitaro leave after she pulls a sword on him ^note Which would have been reasonable grounds to have her evicted for assault with a lethal weapon., and insists that she, a high school student, become the manager in his place. Motoko eventually accepts that Keitaro's the manager after all.
• Expy: In terms of looks, she was inspired by Kikyou from Inuyasha according to Ken Akamatsu.
• Femininity Failure:
  • She's forced to try becoming more feminine after Keitaro (more or less accidentally) defeats her in a duel. She's too violent to be good at it, though.
  • After being defeated by her sister, Motoko tries to embrace more feminine roles, but drives everyone crazy with her zeal.
• Girl Posse: In the anime, Motoko has a posse of girls that fawn over her and follow her around.
• Girliness Upgrade: From a samurai-like Tomboy to a much more feminine young woman.
• Girlish Pigtails: Whenever she's pushed into acting more feminine. It intentionally looks ridiculous on her.
• Hair-Trigger Temper: Like Naru, Motoko can easily lose her temper and usually deals with it by thrashing Keitaro about.
• Hates Being Called Cute: When wearing a dress given to her by Haruka in episode 12, Keitaro compliments her, calling her cute. Motoko promptly loses her cool and tries to attack him with her sword.
  Motoko: Why you—! HOW DARE YOU CALL ME CUTE?!
• Head-Turning Beauty: Quite a few people on the bus turned their heads to check out a Motoko in a cute skirt. Yet, Motoko thinks they're staring because she looks ridiculous in girly clothes.
• Heir to the Dojo: Since her sister gave up the life of the sword to marry, Motoko is the next in line to inherit the Aoyama family's Kyoto dojo as she is not married.
• Heroic BSoD: Several times during her character development. Most notable after losing to her sister, two times.
• Heroic Second Wind: She returns stronger after her losses against her sister and Keitaro.
• Hidden Buxom: The author's notes state Motoko's breasts are actually pretty big, but it's not apparent most of the time because she wears a Sarashi to bind her chest.
• Hidden Depths: Her overtly masculine behavior comes from her misinterpreting how life went down for her big sister after she got married.
• Hime Cut: Provided the former Trope image. She has blunt bangs, bra strap length sidelocks, and waist length straight hair. Her hairstyle fits her traditional upbringing and samurai-like personality.
• Hopeless Suitor: By the end, she knows that she's not going to land Keitaro. Doesn't stop her from dreaming, or trying. Or, in the last volume, writing a short story where she steals Keitaro from Naru.
• Huge Schoolgirl: During her brief stint trying to be more feminine, she noticed that she was actually taller than Keitaro, ramping up her already harsh insecurities about her femininity. Of course, coming from a long line of female warriors it follows that her height would be above average - and Keitaro's not that tall...
• Hypocritical Humor:
  • She berates Keitaro for being weak and "unmanly", but when he asks her to act more ladylike, Motoko discovers she's no better at acting feminine than Keitaro is at being manly. At the end, she accepts it's fine for some girls to not be girly and for some men to not be manly.
  • She's firmly convinced that All Men Are Perverts... and yet she herself is a Covert Pervert who tends to space out and write extremely risque love stories.
• I Am Not Pretty: Motoko doesn't think of herself as attractive because she's too tall for a girl and lacks feminine qualities. When she's forced to wear a dress, she thinks everyone is staring at her because she must look silly to them.
• I Want My Beloved to Be Happy: After the Kingdom of Molmol arc, Motoko promises she won't actively intervene in Keitaro and Naru's relationship again after accepting that Keitaro's feelings for Naru won't ever change. She still tells Naru she would happily become Keitaro's mistress if it's allowed.
• Important Haircut: Near the end of the manga, she cuts her hair short after her unrequited love for Keitaro and a humiliating defeat at hands of her sister drive her to try and become a nun. She grows it long again in the Distant Finale.
• Inconvenient Attraction: Motoko's sister gave up the sword to get married. Because of this, Motoko never wanted to fall in love with a man, which is why realizing Keitaro is her First Love makes her so angry and distressed.
• Interrupted Suicide: She tries to end her life after failing with her duties, but is stopped by her friends.
• Jerk with a Heart of Gold: For all that she's short-tempered and inclined to think the worst of Keitaro, she's rather protective of everyone in the Hinata House, especially Shinobu and Su. This even extends to Keitaro... eventually.
• Kid Samurai: A 15-year-old kendo practitioner at the beginning of the series.
• Kiss of Distraction: When Keitaro is possessed by the Hina Blade, Motoko kisses him on the lips to make him let his guard down and takes the chance to seal the evil in the sword with one of her exorcism techniques.
• Laser-Guided Karma: She criticizes and mocks Keitaro's failures, especially his failed efforts to get into the University of Tokyo. Ironically, she fails to get into the university in her first try like him.
• Love Is a Weakness: At first, she sees love as a weakness. It's not until the second half when she starts to see that it can be a source of strength as well.
• Miko: She works as a part-time miko at a local shrine, and she usually wears the traditional miko's outfit (white kimono and red hakama) even when she isn't working there. Because of this, Keitaro asks her help when he and later Mutsumi get bad omens during the New Year.
• Mistaken for Gay: Kanako initially assumes Motoko is a lesbian due to her dislike of men and comes on to her while disguised as Naru. Kanako is very displeased when she discovers Motoko also has a crush on Keitaro.
• The Pen Is Mightier: For her last match against her older sister, Motoko pulls off Dual Wielding with a sword and a pencil, which she uses to block a full-on katana slash.
• Psychosomatic Superpower Outage: Episode 12 has Motoko being forced to wear dresses because all her clothes are in the laundry. Motoko becomes overly self-conscious about the way she looks and finds that she can't use her Ki Manipulation like usual. This is caused by Motoko's misguided belief that her sister became weak and gave up the sword after putting on her wedding dress. Keitaro manages to make her see that clothes have nothing to do with strength and Motoko recovers her ki.
• Purely Aesthetic Glasses: When studying to enter the University of Tokyo, Motoko wears Opaque Nerd Glasses like Naru's just because she wants to become as good in her tests as Naru.
• Raven Hair, Ivory Skin: She has long black hair and very pale skin. Many characters point out she's pretty attractive too.
• Rōnin: During the 6-month Time Skip when Keitaro travels to America, Motoko failed her entrance exams for the University of Tokyo.
• Sacred First Kiss: Her first kiss was stolen by Su's kissing practice robot and then Su took her first kiss with a human being. Motoko is quite salty about it.
• Sarashi: Wears one in place of a bra. Which is why Keitaro bought a bra for her as Christmas Present.
• She Cleans Up Nicely: Motoko looks stunning when she changes her kendo clothes for a dress.
• Small Name, Big Ego: By the time she makes her first appearance in the anime, Motoko lets her pride get the better of her and initially considers herself more qualified to be the Hinata Inn's manager as opposed to Keitaro, given how much she Does Not Like Men. Well, at least until the end of the episode...
• Statuesque Stunner: She's taller than Keitaro and the other girls and it's shown she feels awkward about it, but it's made clear she's considered attractive none the less.
• Successful Sibling Syndrome: Motoko's older sister Tsuruko was possibly the most powerful swordswoman in their clan (and still is when she gets mad). After Tsuruko got married and renounced the position as successor of the family dojo, Motoko felt she had very big shoes to fill in. She ended up running away to the Hina Inn under the excuse of training. Eventually, though, Tsuruko acknowledges Motoko is able to surpass her after two confrontations.
• Suicide as Comedy: At the times she feels she has failed as a swordmaster or woman, Motoko comically overreacts and tries to commit Seppuku only for her friends to freak out and stop her.
• Surpassed the Teacher: After getting a harsh Curb-Stomp Battle from Tsuruko, Motoko resolves to go to the mountains and hone her training. With some help from Keitaro, Su and Sarah, she manages to pull off the "Demon-Splitter technique," something even her big sister never accomplished.
• Tomboy Angst: She thinks her lack of traditionally feminine traits make her a failure as a woman. When her sister orders her to give up the sword, Motoko gets distressed because she doesn't believe she has what it takes to live as a normal girl.
• Tomboy with a Girly Streak: Motoko starts off as a tough and aggressive swordswoman who detests anything related to femininity and love. As the series goes on, Motoko gradually accepts her feminine side, coming to wear girlier clothes and fantasize about having a romance with Keitaro. She never loses her guts, though.
• Trauma Button: A databook released post-series explains that she developed her fear of turtles when she accidentally walked in on her sister and brother-in-law in an intimate position. The Japanese word for the head of a penis is written with the characters for "turtle" and "head." Do the math and...
• Tsundere: She tends to beat up Keitaro because she doesn't know how to deal with her growing feelings for him.
• Unknowingly in Love: Subverted in a subplot. She experiences strange feelings whenever she's around Keitaro, and is told by others that those feelings must be love. Hilarity Ensues, until The Reveal that she was actually sick, and the feelings she was having were symptoms of the illness.
• Unrequited Love Lasts Forever: Like Shinobu, Motoko still fantasizes with stealing Keitaro from Naru even though he's getting married in the Distant Finale.
• Wooden Katanas Are Even Better: Rock-splitting is just the beginning of what she can do with a bokken.
• Worthy Opponent: Sees Seta as one in the beginning of the story and Keitaro after he learned improved his fighting abilities. She also considers Kanako one too after discovering she is a good fighter.
• Yamato Nadeshiko: Subverted; she has the looks and the traditional mindset of a yamato nadeshiko, but she's too brash and immature to fit the trope in terms of personality. She also doesn't consider herself feminine enough to qualify and frequently grapples with Tomboy Angst.
• Younger than She Looks: She's fifteen years old, but looks quite a bit older because she's taller than even the 20-year-old Keitaro.

Kaolla Su

Voiced by: Reiko Takagi (Japanese), Wendee Lee (English)^{Other voice actresses}Azucena Martínez (Latín American Spanish), Ariadna Jiménez (European Spanish), Gaia Bolognesi (Italian, TV series and I Wish Your Dream), Laura Lenghi (Italian, Silent Eve), Jackie Berger (French), Julia Meynen (German), Flávia Narciso (Portuguese)

14-year-old, Kaolla is an energetic, dark-skinned girl from a foreign country who currently resides in the House. Gadgeteer Genius, Genki Girl, and Cloudcuckoolander extraordinaire.

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• Ambiguously Bi: She's attracted to Keitaro, but she also stole Shinobu's first kiss.
• Ambiguously Brown: She is a dark-skinned foreigner.
• And Call Him "George": She once accidentally breaks Keitaro's back while hugging him during her sleep.
• Animal Motifs: She's constantly jumping around, hanging from a high place or another person, and eating bananas, very much like a monkey.
• Attack Hello: Her way of greeting Keitaro involves hitting him in the face with a flying kick. Occasionally she'll miss and hit him with her... area.
• Bait-and-Switch Sentiment: Keitaro is shocked when Su easily says she likes him, especially because no girl had done that for him before, only for Naru to tell him Su likes everyone the same.
• Barefoot Loon: A strange and quirky Gadgeteer Genius Genki Girl who always goes around barefoot.
• Big Eater: She always asks if something can be eaten, and she has a desire to eat Tama, the Hinata's pet turtle.
• Blush Sticker: She has two permanently pink spots on her cheeks.
• Bunny-Ears Lawyer: She might be childish, hyperactive, and asks if any unfamiliar noun is a food item, but she's also a Gadgeteer Genius and an excellent computer programmer. Combining both parts of the trope, said programming is done via typing with her toes.
• Clingy Sleepers: She insists on sleeping in other people's beds. Usually, Motoko sleeps next to her, but when she's out training, Kaolla spends the night at Keitaro's room and climbs into his futon while she's asleep. Naru almost beats Keitaro up when she finds the sleeping Kaolla clinging to him, but in this case, Kaolla is the one who does physical harm to Keitaro when she holds him so tightly that she nearly breaks his spine.
• Expy: Her hyperactive personality, tendency of bringing out wacky devices, and ability to transform into an attractive older form are based on the female personality of Forty, a character from Akamatsu's early manga A.I. Love You.
• Forceful Kiss: She steals Motoko's First Kiss with a human (since it was first stolen by Su's kissing machine). Later, her adult form also plants a kiss on Keitaro.
• Fourth-Wall Observer: While talking to Keitaro about his broken leg.
  "Can't ya just put a band aid on it and make it better in the next scene like ya normally do?"
• Funny Foreigner: She's a hyperactive and eccentric girl from the fictional Molmol Kingdom, complete with occasional forays into random customs from her home country. She also speaks in a shaky Kansai dialect, due to being taught Japanese by Kitsune (who's from the Kansai region).
• Gadgeteer Genius: Despite her young age and overly childish mannerisms, she's very skilled at using computers and making various gadgets. Among other things, she's created Mecha-Tama and a turtle-tracking radar.
• Genki Girl: Calling her hyperactive is an understatement. When she latches onto Keitaro in the second volume of the manga, the other girls note that Motoko is the only one with the stamina to keep up with Kaolla for long.
• Hates Being Alone: Su gets lonely easily, which is why she's always clinging on to someone else like Motoko and Keitaro.
• The Idiot from Osaka: She gives this impression, being a hyperactive and loud Genki Girl who speaks in Kansai dialect. However, she's a subversion since she's actually a foreigner and speaks in Kansai dialect because she learned Japanese from Kitsune, who's from Kansai.
• Is It Something You Eat?: The first thing she usually asks upon hearing a new word/phrase/concept since she's such a Big Eater.
• Last-Name Basis: Everyone just calls her Su.
• Mistaken Ethnicity: Keitaro mistakes her for Indian a couple of times. She actually comes from a Fictional Country named Molmol.
• No Sense of Personal Space: She's almost always seen hanging off of someone, usually Motoko or Keitaro.
• Odd Friendship: With Shinobu - while generally friendly to everyone, the fact that she latched onto the quiet, low-key Shinobu is a bit unusual (though it helps that they're around the same age).
• Older Alter Ego: The light of the red moon changes her into an adult form, which is pretty much a stronger, faster version of her usual self.
• O.O.C. Is Serious Business: The other residents are horrified when Su becomes very depressed, stops running around energetically, doesn't want to invent anything and ignores the bananas Keitaro tries to give her. It turns out she stopped receiving letters from her brother and became convinced he didn't want to talk to her anymore.
• Pseudo-Romantic Friendship: She's very attached to Motoko, almost always being found clinging on to the swordswoman. Her First Kiss is with Motoko, in fact.
• Really Royalty Reveal: One of the final volumes of the manga reveals Su is actually a princess of the Kingdom of Molmol, to the surprise of her friends.
• School Uniforms are the New Black: She's almost always wearing a Sailor Fuku, even though we rarely see her at school.
• Trademark Favorite Food: Her favorite food is bananas. It's one of the many traits that make her similar to a monkey.
• Wrench Wench: She can build or repair pretty much anything seen in the show.

Haruka Urashima

Voiced by: Megumi Hayashibara (Japanese), Mari Devon (English)^{Other voice actresses}Verónica Rivas (Latin American Spanish), Gloria García (European Spanish), Ludovica Marineo (Italian, TV series and I Wish Your Dream), Gaia Bolognesi (Italian, Silent Eve), Cécile Musitelli (French), Katrin Zimmermann (German), Cláudia Carli (Portuguese)

Matron of the Hinata House and Keitaro's 29-year-old maternal cousin and aunt, having been adopted by their grandmother after the death of her own mother, who was the older sister of Keitaro's mother.

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• Berserk Button: She hates being reminded of her single status and Keitaro calling her "Aunt" (homophone of "old woman" in Japanese).
• Competing with a Corpse: Back in college, Haruka and Julia McDougal were both in love with Seta, but he would only choose one of them when he turned thirty. However, Julia passed away soon after. When Seta does propose marriage to Haruka after turning thirty, Haruka violently rejects him because it doesn't feel right for her to "win" because her only love rival is long dead. It surely doesn't help Seta is raising Julia's daughter as his own. She does come around and marries Seta near the end of the manga.
• Cool Big Sis: For all that she's also willing to smack Keitaro (generally for calling her Oba-san), she's supportive of him and tries to help him out of situations. She's also ready and willing to dispense advice to the others at Hinata House.
• Covert Pervert: Implied — whenever one of the girls is wearing a weird outfit, chances are it came from Haruka's closet, which apparently includes a frilly Victorian dress and a Meido outfit. Add to that her skill with (and ownership of) a whip...
• Harem Nanny: While Keitaro is officially the landlord at Hinata House, she's the eldest and the one generally responsible for wrangling everyone, particularly when a crisis mounts.
• Honorary Aunt: She's actually Keitaro's cousin, although she's also his aunt by adoption because his grandmother raised her. Keitaro calls her "aunt" out of habit, but Haruka doesn't like it.
• Insistent Terminology: Haruka dislikes it when Keitaro calls her "aunt" instead of "Haruka-san", possibly due to being both an Old Maid and his older cousin.
• Ma'am Shock: She beats Keitaro whenever he calls her aunt (which in Japanese is pronounced the same as old woman) and reminds him to call her "Haruka-san".
• Maiden Aunt: Haruka is actually Keitaro's cousin, but he considers her his aunt because their grandmother raised her. At the start of the series, she's pushing 30 and still unmarried. It's eventually subverted when she marries Seta near the end of the manga.
• Mirror Character: Her rough treatment of Seta is mirrored by the way Naru treats Keitaro, although Haruka has more understandable reasons to act the way she does towards Seta since he wasn't a very attentive boyfriend when they dated.
• Official Couple: She marries Seta in one of the last story arcs, apparently ending years of Will They or Won't They?, based on Haruka's description.
• Raised by Grandparents: Her parents died when she was young and Grandma Hina adopted her, meaning that she is simultaneously Keitaro's first cousin and aunt.
• Rejected Marriage Proposal: When Seta turns thirty, he asks Haruka to marry him as he had promised, but she turns him down with a Megaton Punch.
• Retired Badass: It's mentioned that Haruka used to be Seta's companion in his expeditions and once fought a secret organization with him. Now, she runs a teahouse near Hinata Inn.
• Smoking Is Cool: Always seen with a cigarette.
• Tears of Joy: She cries when she happily accepts Seta's marriage proposal.
• Tsundere: She's as violent and dishonest about her feelings for Seta as Naru is when it comes to Keitaro, though she's miles more rational and cool-headed. Arguably justified - he did (albeit unwittingly) stood her up time and time again while they were dating.
• Whip of Dominance: It's a Running Gag of the series to hint that Haruka Urashima is a Covert Pervert, due to the fact she owns several fetish costumes and has unexplained skills. One of those is the fact she owns a whip and frequently carries it, and is shown to be incredibly skilled a wielding it, once answering the phone with the whip, from across the room.

Tama

Voiced by: Yukie Maeda (Japanese), Wendee Lee (English)^{Other voice actresses}Iris Lago (European Spanish), Rita Almeida (Portuguese)

A hot springs turtle given to Naru by Mutsumi after helping her return to Okinawa.

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• Ambiguous Gender: Keitaro refers to it as a boy, while Naru and Shinobu refer to it as a girl. Mutsumi (the resident turtle expert) never specifies Tama's actual gender.
• Bare-Handed Blade Block: Tama's front feet stop Motoko's blade once, which makes her go into shock.
• Empathy Pet: Tama can copy the mannerisms of some of its owners.
• Flying Seafood Special: Is able to fly.
• Head Pet: When Tama isn't flying, the turtle is often resting on top of Keitaro's head.
• Interspecies Romance: They have a crush on Motoko, much to her horror.
• Series Mascot: Due to its popularity, Tama serves as the unofficial animal mascot of the Love Hina series alongside Liddo-kun.
• Team Pet: Was originally given as a present to Keitaro and Naru by Mutsumi at the end of their trip through southern Japan, and has since been adopted as a pet of the entire Hinata Inn residents.

Supporting cast

Mutsumi Otohime

Voiced by: Satsuki Yukino, Yuji Ueda^note Keitaro Urashima disguise (Japanese), Julie Ann Taylor, Derek Stephen Prince^note Keitaro Urashima disguise (English)^{Other voice actresses}Liliana Barba (Latin American Spanish), Marta Estrada (European Spanish), Valeria Vidali (Italian, TV series and I Wish Your Dream), Maura Cenciarelli (Italian, Silent Eve), Virginie Ledieu (French), Ilona Brokowski (German), Jussara Marques (Portuguese)

A newcomer to the Hinata House from Okinawa and, like Keitaro, is a 20-year-old Rōnin, though her failures stem less from being an academic underachiever than from her clumsiness and tendency to faint at the most inappropriate times.

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• Accidental Pervert: Mutsumi accidentally causes many scenes heavy on Homoerotic Subtext with Naru, apparently without even realizing it. At one point, Kanako uses her as Keitaro's substitute and she ends up in suggestive situations with the girls of Hinata House in the same way Keitaro does all the time.
• Always Someone Better: Mutsumi repeatedly outdoes Naru in various tasks not intentionally or meanly, she just does.
• Betty and Veronica: Keitaro's two promise girl candidates are Naru and Mutsumi. Mutsumi is the spacey Nice Girl who has a lot in common with Keitaro, making her the Betty. However, the Love Triangle is majorly downplayed because while Mutsumi does like Keitaro, she actively wants him and Naru to be together to the point she was the one who pushed them into making the Childhood Marriage Promise.
• Book Smart: Played With. When she starts studying together with Keitaro and Naru, Mutsumi gets a better score at the practice tests than Naru who ranked first at the national mock exam. Keitaro and Naru wonder how Mutsumi could fail the University of Tokyo's entrance exam thrice if she's that good at studying. Turns out that when she took the test in the previous years, she either passed out halfway through or forgot to write her name.
• Breakout Character: She was supposed to be a One-Shot Character for the first vacation arc, but she proved so popular to fans Akamatsu essentially rewrote her entire Backstory to include her as a main character.
• Buxom Beauty Standard: Even the girls are impressed by her bust size.
• Childhood Friend Romance: She's the only other member of Keitaro's Unwanted Harem who's his childhood friend. The feeling is one-sided and Mutsumi is happy with it.
• Childhood Friends: With both Naru and Keitaro who she met at Hinata Inn when she was five years old.
• Cloudcuckoolander: This is meant in the nicest possible way. She's spacy enough that one of her reasons for previously failing the Tokyo U exams was forgetting to write her name on the test. When she moves to Tokyo, Mutsumi brought no luggage with her besides a kotatsu and watermelons.
• Cute Clumsy Girl: She's as completely clumsy as Keitaro - to the point that, when they're together, they'll frequently make the same pratfall either simultaneously or in quick succession.
• Delicate and Sickly: She has poor health and is prone to fainting at random intervals; one reason why she failed her college entrance exams is because she fainted in the middle of writing them. By the end of the manga, her symptoms seem to be gone.
• Distaff Counterpart: She's a female Keitaro. They exhibit uncanny similarities and discover many similar interests (she also used to make her own Valentine's Day chocolates and pretended that they were for a valentine like Keitaro).
• Ditzy Genius: She's actually smarter than Naru and didn't even have to study nearly as much. The reason why she failed the entrance exam three times was because she's so absentminded that she tends to forget to write her name in the test.
• Easy Amnesia: Her last story in focus has her getting amnesia and reverting back to her 5-year-old self after falling from a tree and getting hit in the head with Naru's. She goes back to normal after replaying the rock scissors paper with Naru to decide who gets Keitaro, like they did in their infancy.
• Fainting: She faints from anaemia on a regular basis. Part of the reason why she failed entrance exams thrice is because she fainted in the middle of writing them.
• Family Theme Naming: Mutsumi's mother is named Natsumi.
• Feminine Women Can Cook: She's a good cook and like Keitaro, got practice by making chocolates for herself in Valentine's Day.
• Forceful Kiss: She has something of a habit of stealing a kiss from Keitaro, right in front of Naru every damn time. She also took Naru's First Kiss.
• Forgotten First Meeting: Turns out she was playmates with Keitaro and Naru when they were little, but none of them remember any of it at first.
• Fourth-Wall Observer Talking to Naru about the letter from Keitaro.
  Mutsumi: Don't you remember... I told you about it just a few pages ago.
• Hair Antennae: Mutsumi and Naru share this trait. And unlike Naru, Mutsumi is indeed rather ditzy.
• I Let You Win: When she and Naru were preschoolers, both had a crush on Keitaro. After Keitaro asked Naru to go to Tokyo U when they grew up, Mutsumi proposed that they played rock scissors paper to decide who of them would marry Keitaro. This was a game little Naru sucked at because she always pulled out scissors, but because Mutsumi was friends with both Keitaro and Naru, Mutsumi let Naru win so they all could be happy.
• Innocent Fanservice Girl: Possibly invoked. It's implied that she's well aware of Keitaro's Distracted by the Sexy moments with her, but keeps up the charade because it's her way of flirting. She ends up effectively conceding to Naru when it comes to Keitaro's affection, because while she is attracted to him and they would likely be happy together, she made her own promise to not to get in their way when the trio found each other again.
• Iron Butt-Monkey: She's almost as invulnerable to Amusing Injuries as Keitaro.
• I Want My Beloved to Be Happy: Mutsumi has feelings for Keitaro, but she never tries to pursue him because all she wants is for him and Naru to be happy together. Turns out Mutsumi knew Keitaro and Naru liked each other since back when they were toddlers, so she pushed them into making the promise to go to the University of Tokyo and get married when they became adults.
• Love Confessor: Mutsumi admits to Naru that she loves Keitaro, but since she loves Naru just as much, she'll let her have him.
• Love Informant: During their little trip after failing the Tokyo U entrance exam, Mutsumi tells Naru that Keitaro has a crush on her after hearing it from Keitaro himself. Later, she tells Keitaro that Naru loves him back, only for Naru to violently deny it like usual.
• Massive Numbered Siblings: She has seven younger siblings back home in Okinawa.
• Mistaken for Pregnant: When Keitaro and everyone else woke up to find Mutsumi sleeping naked in his futon with him. Mutsumi's comments about last night being great and the test being "positive" had even Keitaro himself thinking he knocked her up. Actually, she just fell through the hole in Naru's room, decided to sleep where she landed, and was referring to Keitaro's help in studying. When Keitaro expresses mild regret about the misunderstanding, of course, he's chased off by Naru (vowing to personally neuter him).
• Mistaken for Suicidal: When she's traveling on the same cruise as Keitaro and Naru, they see Mutsumi carries a will on her bag and catch her when she apparently jumps overboard. Mutsumi then explains that her anaemia causes her to randomly faint very often and she carries a will with her just in case that she drops dead one day.
• Nice Girl: She is the one and only one of the Hinata girls that has never beaten Keitaro up, and just laughs off his Accidental Pervertedness.
• Only Mostly Dead: Her fainting spells seem closer to this than unconsciousness, featuring Blank White Eyes and Blood from the Mouth. The first time Keitaro and Naru saw it happen, they discovered she didn't even have a pulse.
• Out of Focus: An extreme case. After her fake wedding with Keitaro, she barely appears. Even Sarah got more attention than her in the last volumes.
• Perpetual Smiler: She's almost always seen smiling because she's constantly in a good mood.
• Plucky Girl: She isn't even a bit discouraged after failing to enter University of Tokyo three times and says she would happily retake the entrance exam no matter how many times it takes to reach her goal.
• The Promise: She reveals that, like Keitaro, her motive for entering the University of Tokyo is a promise she made with another kid many years ago. Turns out she, like Keitaro, made a promise with Naru to enter University of Tokyo together. Naru had forgotten her original promise with Keitaro because she was so young, so Mutsumi made the same promise with Naru again in hopes it would help her remember.
• Puppy Love: When she was around four or five years old, Mutsumi had a crush on Keitaro who was her playmate at Hinata Inn.
• Red Herring: The story presents clues that guide the audience to assume Mutsumi is the promise girl, since she was friends with Keitaro when they were children and she remembers that she made a promise to go to Tokyo U with another kid. However, Mutsumi eventually reveals she made her promise with Keitaro's true promise girl to make help her remember Keitaro's promise. To clear any doubts, the final volume confirms the promise girl was Naru all along.
• Romantic Runner-Up: She doesn't get Keitaro, although she stood a very good chance since she treats him rather well and could have also been the promise girl from when they were kids.
• Rōnin: Like Keitaro, she failed her entrance exams three years straight, though not due to poor academics, but due to mishaps (such as failing to write her name) and her condition (fainted just before the exams started).She ultimately passes at the same time as Keitaro and Naru, and breaks the news to both of them in Pararakelse.
• Smarter Than You Look: While she's genuinely very spacy and clumsy, she's also more Book Smart than she seems and is rather perceptive and good at reading people.
• Speaks Fluent Animal: She can understand turtle language, as seen by how she's the only one who can understand what Tama says.
• Strong Family Resemblance: She looks identical to her mother, with their hairstyles being the only way to tell them apart.
• Trademark Favorite Food: She likes watermelons. Coincidentally, they're good for anemia, what with their concentration of lycopene.

Noriyasu Seta

Voiced by: Yasunori Matsumoto (Japanese), Kirk Thornton (English)^{Other voice actors}Carlos Galindo (Latin American Spanish), Tasio Alonso (European Spanish), Mimmo Strati (Italian), Vincent Ropion (French), Renato Soares (Portuguese)

An archaeology professor at the University of Tokyo who Keitaro meets up the steps of the Hinata House after returning from Kyoto with Naru and the rest of the Hinata girls.

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• Absentminded Professor: He works as an archaeology professor, but tends to be gullible, clueless and forgetful. He's also a godawful driver, yet doesn't seem to notice all the blood on him when he "parks".
• The Ace: He's an expert archaeologist, able to raise a kid by himself, and good enough at martial arts to take on a Shinmei-ryu swordswoman. There's only one thing he can't do well: driving.
• Adventurer Archaeologist: He frequently goes off to various digs in dangerous places to find exciting new discoveries. He's even compared to Indiana Jones.
• Badass Bookworm: He works as an archeologist and teacher, yet is skilled enough at martial arts to fight toe-to-toe with Motoko without any weapons and he even defeated her in their first duel.
• Bait-and-Switch Sentiment: After Naru's crush for him is exposed by Keitaro, Seta says he likes her too... and he also likes Keitaro and everyone in Hinata Inn.
• Bare-Fisted Monk: He's a fighter capable of keeping up with the swordswoman Motoko barehanded.
• Bumbling Dad: Seta has a habit of running off somewhere because of his job while leaving his adopted daughter Sarah behind with Keitaro, if he even remembers to ask him to babysit her.
• Bunny-Ears Lawyer: For someone so prone to spacing out and not noticing things like gaping head wounds, Seta is surprisingly very good at nearly everything.
• Drives Like Crazy: His car crashes are practically legendary, with numerous rolls down stairs and across parks.
• Forgetful Jones: After hiring Keitaro as his assistant, Seta has some trouble remembering his name and if Keitaro doesn't remind him, he forgets to pay him.
• Hero of Another Story: His job as an archeologist sends him on expeditions all over the world, but we only get to see him talk about his exciting adventures to Keitaro and Naru.
• Hot Teacher: He works as a teacher at University of Tokyo and his good looks get him the affections of many women, including Naru, Kitsune and Haruka.
• Iron Butt-Monkey: His epic car crashes frequently leave him with massive amounts of bleeding, yet he walks out oblivious to any damage every single time. He's so resistant to Amusing Injuries that the only one who can take a Megaton Punch better than him is Keitaro.
• Lives in a Van: Even though he's an archeologist and teacher, Seta doesn't have a good salary and has to live in a van with his adopted daughter. After returning to Japan, he camps out in the campus of the University of Tokyo.
• Loved I Not Honor More: Seta dated Haruka when they were younger, but he often left her behind when he went on an expedition and asked her to look after his fossil collection in his absence. It's no wonder Haruka still has conflicted feelings for Seta.
• Mentor Archetype: After Keitaro finally enters University of Tokyo, Seta becomes his mentor in archeology and martial arts.
• Mirror Character: He's basically an older Keitaro, just more absentminded and less insecure. In his younger days, he was a three-time Rōnin before he got into the University of Tokyo and was involved in a Love Triangle with two women, much like Keitaro. The parallels get much more evident after Keitaro becomes his apprentice and picks up several of Seta's traits. By the time of the Distant Finale, Keitaro has become a near-perfect copy of Seta.
• Official Couple: He marries Haruka in one of the last story arcs, apparently ending years of Will They or Won't They?, based on Haruka's description.
• Perpetual Smiler: He always has a pleasant smile on his face.
• Private Tutor: He was Naru's tutor back in middle school.
• Rōnin: Like Keitaro, he failed to pass the University of Tokyo's entrance exam three times.
• Super Gullible: He's willing to believe whatever people tell him, such as buying Kitsune's lie about Naru going off a trip overseas to cope with failing the entrance exam for University of Tokyo. Sarah even tells Kitsune to not take advantage of her dad's gullibility.
• Tall, Dark, and Handsome: He's the tallest male character in the series, dark-haired, and so handsome that the main heroine is smitten with him.

Sarah McDougal

Voiced by: Yumiko Kobayashi (Japanese), Julie Maddalena (English)^{Other voice actresses}Magdalena Tenorio (Latin American Spanish), Iris Lago (European Spanish), Raffaella Castelli (Italian, TV series and I Wish Your Dream), Monica Vulcano (Italian, Silent Eve), Charlyne Pestel (French), Julia Ziffer (German), Priscila Concépcion (Portuguese)

Seta's 9-year-old adopted daughter from California and a tomboyish brat to boot.

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• Angst? What Angst?: In-Universe example. The girls of Hinata Inn are shocked to hear Sarah nonchalantly talk about her mother's untimely death.
• Back for the Finale: She leaves Hinata Inn after Seta marries Haruka. We see her again in the epilogue some years later when she goes to Keitaro and Naru's wedding along everyone.
• Bitch in Sheep's Clothing: When she first arrives at Hinata Inn, Sarah plays nice in front of Naru when she's actually an insufferable Bratty Half-Pint who deliberately sets Keitaro up to be beaten up by Naru.
• Bratty Half-Pint: She's an immature troublemaker who likes nothing more than making things harder for poor Keitaro.
• Clingy Jealous Girl: She's such a pain in the ass to Keitaro because she hates that her adoptive dad Seta hired him to be his assistant which keeps her from having alone time with him.
• Embarrassing Tattoo: A variation. She has a panda-shaped birthmark on her left buttock. She's embarrassed to have it and Keitaro used it as blackmail to have her quit trying to cause trouble for him.
• Establishing Character Moment: Her first appearance in the manga has her breaking the Chinese ceramics that Seta asked Keitaro to glue back together. From that point on, she sort of makes clear the entire purpose of her existence is making Keitaro's life as hard as she can.
• Girlish Pigtails: She ties her hair into twintails often, fitting her Bratty Half-Pint personality.
• Happily Adopted: Seta and Haruka were friends of Sarah's mother Julia, but she died somehow and Seta has taken care of her ever since. Sarah loves Seta as if he was her real father, but is annoyed by how his job as an archeologist drives him to leave her behind all the time. Near the end of the manga, she's happy to have Haruka as her new mom.
• Intimate Marks: She has a panda-shaped birthmark on her butt.
• The Millstone: Particularly early on, she deliberately sets out to get Keitaro fired from his job assisting Seta.
• Odd Friendship: With Shinobu - similar to Su, she doesn't seem the type to hang around a shy, bookish girly girl. Unlike Su, she also has a grudge against Keitaro and doesn't go to school with her. Yet, she's just as willing as Su to pull Shinobu along with a scheme.
• Phenotype Stereotype: Blond, blue-eyed, wears cowboy hats and occasionally stars-and-stripes outfits, fits the loud and pushy stereotypes... she's such a stereotypical American in anime, that she's currently the picture on the trope page.
• The Prankster: She'll pull pranks for sheer amusement.
• Satellite Character: To both Seta and Su. Her first appearances have her as Seta's bratty adopted daughter who Keitaro is forced to babysit. Once she joins the Hinata main cast, her role is reduced to Su's sidekick who joins her in her mischief. Up to the end of the series, Sarah never gets any focus or development to herself.
• Shading/Colour Dissonance: In the manga, Sarah's blonde hair was often shaded similarly to Naru's and Mitsune's (both who have brownish hair colors).
• Token Mini-Moe: After officially moving into Hinata Inn, Sarah fits this role even better than Shinobu, being even younger and more immature.
• Tomboyish Baseball Cap: She'd practically be a clone of the stereotypical pre-teen boy, complete with wearing a baseball cap, except for actually being a girl.
• Wounded Gazelle Gambit: When she steals Naru's letter to Keitaro and teases him for it, he gets so mad he threatens to spank her in public...causing Sarah to start screaming her head off that he's kidnapping her. Keitaro quickly realises this was a bad idea.

Hinata "Hina" Urashima

Voiced by: Masako Nozawa (Japanese), Barbara Goodson (English)^{Other voice actresses}Erika Mireles (Latin American Spanish), María Rosa Guillén (European Spanish), Ludovica Marineo (Italian), Nathalie Homs (French), Zayra Zordan (Portuguese)

Keitaro's grandmother and original manager of Hinata Inn. She left for her world-wide tour, passing the inheritance of the inn on to Keitaro.

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• Cool Old Lady: Hears about Keitaro's problems and the hard time his parents are giving him about getting into Tokyo U, so she sets him up with the landlord position so that he can focus on studying while no longer mooching off his parents. Also, it frees her up to go on an extended hot springs tour vacation.
• The Ghost: She's mentioned several times throughout the manga, but doesn't make an actual appearance until one of the final chapters.
• Miniature Senior Citizens: She doesn't show up frequently, but it's shown that she's less than half of Haruka's height.
• Walking the Earth: She left the Hinata House to tour the world's hot springs.

Tsuruko Aoyama

Voiced by: Miki Nagasawa (Japanese), Philece Sampler (English)^{Other voice actresses}Cécile Musitelli (French), Vanessa Alves (Portuguese)

Motoko's older sister, whose refusal to succeed to their God's Cry School in favor of settling down in a Happily Married life brought some resentment into her younger sister.

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• Action Girl: She's a Shinmei-ryu swordswoman powerful enough that even her sister Motoko doesn't want to make an enemy of her.
• Always Someone Better: To hear Motoko talk of it, anything she could do, Tsuruko could do better.
• Berserk Button: If you ever lie to her, pray she never catches on. Tsuruko gets scary when she knows someone is telling her lies.
• Beware the Nice Ones: She's a genuinely nice person, just don't make her realize you lied in front of her or else she can get as terrifying as a demon.
• Break Her By Talking: Whenever Tsuruko scolds Motoko because of the latter's weaknesses and failures, Motoko's spirit is broken to the point she tries to run away from everything and becomes borderline suicidal.
• Curb-Stomp Battle: Does this twice to Motoko, after she pressed the above Berserk Button.
• Cute and Psycho: She's a very polite and gentle Yamato Nadeshiko, yet becomes a terrifying swordswoman with Black Eyes of Crazy if her Berserk Button is pressed.
• The Dreaded: Aside from turtles, she's the only thing on God's Earth that Motoko is absolutely terrified of.
• Empathy Pet: Her yellow bird tends to mimic her emotions.
• Family Theme Naming: Like her younger sister Motoko, Tsuruko's name ends in '-ko.'
• Hime Cut: Similar to her younger sister, Tsuruko's hairstyle consists of blunt bangs, cheek-length sidelocks, and waist-length straight hair. One of the signifiers that she's a proper Japanese lady.
• Jerkass Has a Point: Her Curb-Stomp Battle of Motoko was undoubtedly cruel, but she wasn't wrong when she tells Motoko her sword techniques had deteriorated since her stay at Hinata Inn.
• Master Swordswoman: Motoko states Tsuruko is one of the best swordswomen in the history of the Shinmei-ryu. Her few appearances show that her sword skills are incredibly impressive.
• Onee-sama: Motoko feels awe towards her older sister because of the dreadful power of her Shinmei-ryu swordsmanship. Instead of "o-nee-sama", Motoko uses a more samurai-style archaic form of addressing; "ane-ue".
• Parrot Pet Position: She has a pet bird (actually a shikigami) that almost always rides on her shoulder.
• Quitting to Get Married: She gave up the position of Heir to the Dojo when she got married.
• Raven Hair, Ivory Skin: Naru admires Tsuruko's long black hair and fair skin, wondering if all women from Kyoto are as beautiful as her and Motoko.
• "The Reason You Suck" Speech: In her second appearance, Tsuruko hears of Motoko's failure to get into University of Tokyo, her many lies, and how she pines over Keitaro even though he and Naru are already a couple. While swatting her like a fly, Tsuruko ruthlessly points out all of Motoko's shortcomings:
  Tsuruko: Your swordsmanship is lacking! Your education is lacking! Your love life is lacking!
• Sarashi: Like her younger sister, she wears one as a bra.
• Satellite Character: In her short appearances in the story, her only role is providing exposition about her little sister Motoko's background and testing her for the sake of helping Motoko overcome her weaknesses in swordsmanship and love.
• Shipper on Deck: She tells Keitaro that she thinks he and Motoko would make an adorable couple, and her final appearance has her encouraging Motoko to pursue him.
• Yamato Nadeshiko: She presents herself as a gentle and graceful Japanese married woman with the traditional Hime Cut. But if she hears you lie, you see just why Silk Hiding Steel is part of the traditional ideal as well.

Masayuki Haitani & Kimiaki Shirai

Haitani is voiced by: Hiroyuki Yoshino (Japanese), Steve Blum (English)^{Other voice actors}Christian Strempler (Latin American Spanish), Toni Mora (European Spanish), Daniele Raffaeli (Italian), Tobias Müller (German), Sérgio Corsetti (Portuguese)

Shirai is voiced by: Michio Miyashita (Japanese), Gene Holliday (English)^{Other voice actors}Rafael Bórguez (Latin American Spanish), Enrique Hernández (European Spanish), Leonardo Graziano (Italian), Robin Kahnmeyer (German), Ricardo Sawaya (Portuguese)

Keitaro's friends and, like him, a pair of Ronins.

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• Casanova Wannabe: Haitani tries to hit many girls as possible but always get dumped.
• Demoted to Extra: They fade in importance fast in the anime, and even faster in the manga. And they have their fun lampshading this.
• Ephebophile: Implied with Shirai. At some point of the story, they are hanging out with Keitaro and spot a group of three ladies (which are Motoko, Naru and Su). Haitani says he prefers the one on the left (Motoko), Keitaro reluctantly says he prefers the one in the middle (Naru) and Shirai says he prefers the one on the right (Su). Haitani calls him for opting for Su since she is a middle schooler.
• Rōnin: In fact, exam cram schools are how they know Keitaro.
• Satellite Character: Most of time for Keitaro.
• Shipper on Deck: Both help Keitaro to have a girlfriend.
• Those Two Guys: When they do appear, they frequently act as a sort of Greek Chorus.

Kanako Urashima

Voiced by: Natsuko Kuwatani, Yui Horie^note Naru Narusegawa disguise, Megumi Hayashibara^note Haruka Urashima disguise, Ryōtarō Okiayu^note Kentaro Sakata disguise (Japanese), Melissa Fahn, Dorothy Elias-Fahn^note Naru Narusegawa disguise, Mari Devon^note Haruka Urashima disguise, Steve Areno^note Kentaro Sakata disguise (English)^{Other voice actresses}Tanja Geke (German)

Keitaro's adopted sister with some feelings for him.

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• Ambiguously Bi: Kanako being head-over-heels in love with Keitaro is indicative of her being attracted to men; however, as noted in Double Standard: Rape, Female on Female below she also molested the other Hinata residents and was implied to have all but raped Motoko while disguised as Naru in order to torment them. It's not certain if she's genuinely bisexual or a straight girl whose homoerotic actions towards the Hinata girls are a case of Pragmatic Pansexuality.
• Arc Villain: She's the antagonist in one of the last story arcs towards the end of the series after taking over the Hinata Inn. After the end of her own arc, she has the same importance of other girls instead of being Naru's rival for Keitaro's love.
• Because You Were Nice to Me: Played With. Kanako says she developed a crush on Keitaro because he was the one in her adopted family who treated her the most kindly, but flashbacks show Keitaro Force Feeding her pastries just like his parents did because they never got that she hates sweets.
• Berserk Button: The first time the girls manage to invoke Kanako's wrath is when she thinks they stole her Precious Photo of herself and Keitaro.
• Big Brother Attraction: She has a huge crush on Keitaro, who is her older brother (even if they aren't blood-related).
• Childhood Marriage Promise: Subverted. When she and Keitaro were children, he made a promise to Kanako that they would run the Hinata Inn together after their grandmother passed it down to them. Keitaro meant he wanted them to take care of the inn as brother and sister, but Kanako took it the wrong way and has thought Keitaro asked her to marry him ever since.
• Clingy Jealous Girl: She not only is open about how much she loves Keitaro, but she'll try to manipulate the other girls into leaving him to her. At one point, she even tries to kick everyone out of the inn because they're all in love with Keitaro.
• Consulting Mister Puppet: By using Ventriloquism, she pretends to have conversations with her pet cat because she has no one else to really talk to.
• Does Not Like Spam: She hates sweets. Which is unfortunate, given that the Urashima family is a line of confectioners. Keitaro seems oblivious to her tastes.
• Double Standard: Rape, Female on Female: While disguised as Naru, she molests the other Hinata tenants even going as far as to sexually assault Motoko. This is all played for Black Comedy Rape.
• Eerie Pale-Skinned Brunette: Played up to underline how unnatural her attraction to Keitaro comes (both in its obsessiveness and the fact that he's her adopted brother).
• Elegant Gothic Lolita: She likes to wear clothes of an elegant, gothic trend.
• Et Tu, Brute?: She feels Naru has betrayed her when Naru admits she's Keitaro's promise girl, Kanako's biggest enemy, because Naru was the only girl Kanako ever trusted.
• Fake Boobs: She can use her skills as a Master of Disguise to make it look like she has bigger breasts in an attempt to seduce Keitaro at the pool.
• Forceful Kiss: She forcefully kisses Keitaro before deciding to give up on him and let him go after Naru.
• Friendless Background: It's very implied that Kanako has never been close to anyone other than Keitaro, as she herself says Naru is the one person other than her brother who has been very nice to her. Besides Keitaro, she only really talks to her pet cat.
• Gender Bender: Given her Master of Disguise status, she can briefly disguise herself as Keitaro.
• Hime Cut: To complement her Elegant Gothic Lolita clothing style, Kanako has blunt bangs, bra strap length sidelocks, and mid-back length hair.
• Hopeless Suitor: Even if Keitaro wasn't in love with Naru, he will never see Kanako as anything but his cute little sister.
• I Want My Beloved to Be Happy: By the end of her arc, Kanako accepts that Keitaro won't ever love her back in the same way she loves him. Like the other girls, despite still having feelings for him, Kanako wants Keitaro to be happy with Naru.
• Idiot Hair: A cowlick stands prominently atop her head. She is far from being an idiot, however.
• Knight Templar Big Sister: Inverted. Kanako is Keitaro's adopted younger sister and if anyone harms her beloved brother, there'll be hell to pay. After she takes over the Hinata Inn, Kanako makes it her personal goal to bully and torment all the female residents because they mistreated Keitaro. She also wants to take revenge on the girl who made a Childhood Marriage Promise with Keitaro because Kanako blames said girl for Keitaro becoming a three-time Rōnin and getting kicked out of his parents' house.
• Latex Perfection: How she tends to disguise herself, alongside adjusting her bones. She can impersonate Haruka as well as Kaolla in this manner.
• Little Sister Heroine: She's Keitaro's younger foster sister and joins his harem in later parts of the manga. She's very possessive of her brother and makes herself an enemy of all the girls who also like him, especially because they abused him.
• Master of Disguise: She can reposition her bones to match other people's builds and make flawless disguises of their appearance. Keitaro, however, can easily see through it.
• Mean Boss: After forcing all the residents of Hinata Inn to become her employees, Kanako goes out of her way to torment and humiliate them so she can force them to quit. After she confirms that all the girls have feelings for her adopted brother, Kanako seriously tries to fire them all and throw them out of inn out of petty jealousy.
• Meta Girl: One major reason she didn't make friends easily. She has her harsh but rather genre-blind opinions on Keitaro's bizarre relationships with girls, made calculated awkward moments to entice him, and had a complete dislike of Naru's hot-and-cold personality.
• Misplaced Retribution: When introduced, she embarks on a Roaring Rampage of Revenge against the Hinata girls to get back at them for their constant abuse and mistreatment of Keitaro. This includes Shinobu and Su, the former a Shrinking Violet who was the only person who never mistreated or hurt Keitaro until that point; in fact, Shinobu is the first person Kanako runs out of the inn via the former pulling a Screw This, I'm Outta Here moment. Su also never attacked Keitaro intentionally.
• Not Blood Siblings: Kanako was adopted so she has no problem with falling in love with her foster brother. Unfortunately for her, Keitaro considers her nothing but his sister.
• Pragmatic Pansexuality: In relation to Ambiguously Bi above, Kanako's homoerotic actions towards the Hinata tenants would be this on the assumption of her being a heterosexual girl who's willing to briefly overlook her preferences as a means to an end.
• The Rival: She competes with Naru for Keitaro's attention during her own arc. By the end, however, she joins everyone in forcing Naru to admit her love for Keitaro once and for all.
• Shameless Fanservice Girl: She's the one girl who ever willingly let Keitaro see her naked body and tried to seduce him in the bathroom more than once.
• The Stoic: She actually has trouble making different facial expressions when not disguised as someone else. She's Not So Stoic only for whatever that involves Keitaro.
• Sugar-and-Ice Personality: Kanako is only nice and affectionate to Keitaro. Everyone else gets the cold shoulder.
• Suppressed Mammaries: In-Universe example. Whenever she has to disguise herself as male or just as someone less endowed, Kanako puts on a Sarashi to flatten her chest.
• A Taste of Their Own Medicine: She subjects all of the Hinata's tenants to one to punish them for their constant abuse and mistreatment of Keitaro.
• Tyrant Takes the Helm: She replaces Keitaro as landlord while he's away because of an exchange program in the US. She then transforms the female-only apartment to a hotel again. The residents are forced to either stay and work for her, or to leave. In revenge for how the girls abused Keitaro and viewing them as love rivals, Kanako tries to drive them away by making their lives impossible. With Kanako's arrival, the girls want the Accidental Pervert Keitaro back more than ever.
• Ventriloquism: She's a skilled ventriloquist and uses it to pretend that her cat can talk.
• Violently Protective Girlfriend: Although she's Keitaro's adoptive sister instead of his girlfriend (no matter how much she wishes that was the case), she's the only girl in his Unwanted Harem who ever punched Naru to protect him from Naru's abuse.
• Voice Changeling: Being a Master of Disguise, she can imitate the voices of the Hinata's tenants such as Naru.
• Walking the Earth: In the end, she follows grandma Hinata in her travels around the world.
• Well-Intentioned Extremist: Willing to use vile methods to win Keitaro's heart.
• What the Hell, Hero?: Kanako really reams Naru out for her treatment of Keitaro. In particular, in her introduction and the last major arc, Kanako hits home with just how badly Naru projects her own faults onto Keitaro and punishes him for it.

Nyamo Namo

Voiced by: Nana Mizuki (Japanese), Michelle Ruff (English)^{Other voice actresses}Carmen Ambrós (European Spanish), Gemma Donati (Italian)

A young girl of the island Pararakelse. Her grandfather was once an acquaintance of Seta, and after her grandfather's death, Nyamo decided to work with Seta on his excavations to continue her grandfather's work.

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• Alliterative Name: Nyamo Namo.
• Funny Foreigner: Nyamo's humor is mostly centered around her not understanding Japanese language and customs.
• Identical Stranger: She's identical to Shinobu, except for her darker skin and longer hair, and has also a similar personality.
• Innocent Fanservice Girl: The girls try to cheer Keitaro up in the hot springs. Though the plan had everyone in bikinis, Nyamo doesn't get it and is completely nude.
• Shrinking Violet: In addition to physical similarities, she also shares Shinobu's extreme initial shyness and reluctance to speak to strangers.
• Shy Blue-Haired Girl: She has a dark blue hair and is very timid (even more than Shinobu).
• You No Take Candle: She has a very limited grasp of Japanese language.

Ema Maeda

A timid girl who appears in the epilogue. Ema hopes to get into the University of Tokyo so she can improve her life and have people notice her. Due to her poor grades, she left home in order to live at the "legendary" Hinata Inn, which is believed to have the power to get anyone into the University of Tokyo.

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• A-Cup Angst: She lacks in self-confidence due to her skinny build and being "flat as a board".
• Accidental Pervert: She is confused with The Peeping Tom by Shinobu when she first arrives to Hinata Inn.
• Bespectacled Cutie: She's a very klutzy and meek girl who wears glasses.
• Cute Clumsy Girl: She is clumsy like Keitaro and cute like Shinobu.
• Distaff Counterpart: Essentially, she is a female Keitaro.
• Idiot Hair: Her hair starts out straight and ends in a bit of a curl. She even has the makings of an antenna in the front.
• Last Episode, New Character: She appears in the final epilogue chapters of the manga.
• Naked First Impression: She meets with Shinobu when both go to take a bath. Shinobu mistakes her for a boy and calls her The Peeping Tom. It's a Call-Back of Keitaro's first meeting with Naru.
• Shrinking Violet: She's very shy and insecure.
• Unlucky Everydude: A Rare Female Example. She has low self-esteem, bad grades, and small breasts.
• Youthful Freckles: She's an unpopular teen girl with no self-confidence and freckles on her face.

Anime-only characters

Kentaro Sakata

Voiced by: Ryōtarō Okiayu (Japanese), Steve Areno (English)^{Other voice actors}Gerry Meza (Latin American Spanish), Nacho de Porrata (European Spanish), Alberto Bognanni (Italian), Thierry Bourdon (French), Julien Haggege (German), Alexandre Marconato (Portuguese)

An anime-exclusive character and a Hopeless Suitor for Naru's heart.

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• Butt-Monkey: After his debut episode, he appears solely to get punished in some way or taken advantage of. Given how smug he acts, though, nobody feels bad about it.
• Canon Foreigner: He was a filler character introduced in the anime, and never made it back into the manga.
• Deus ex Machina: He shows up whenever he's needed, usually with whatever form of transportation the plot needs (such as a car with a bike in the back, or a car/rocketship thing).
• Fourth-Wall Observer: "Well. I suppose that's all the screen time I'm getting this time."
• Hopeless Suitor: He quickly loses Naru's attention and never comes close to getting it back.
• Idiot Hair: He has one strand of hair standing atop his head.
• Idle Rich: He's also still on entrance exams, but his money results in him not particularly caring if he passes, and he doesn't seem to want to do anything besides "be rich."
• Romantic False Lead: His introduction, which he lampshades: "I thought about swooping down in a helicopter to pick you up, but that's such a clichéd way to introduce a wealthy rival, don't you think?" Soon after his introduction, he devolves from this into more of a Butt-Monkey.

Amalla Su

Voiced by: Aya Hisakawa (Japanese), Wendee Lee (English)^{Other voice actresses}Alessandra Chiari (Italian), Nathalie Homs (French), Tatiane Keplmair (Portuguese)

Kaolla's older sister and the other princess of the Kingdom of Molmol.

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• Ascended Extra: She is only mentioned in the manga, but appears in the anime.
• Kissing Cousins: She has been in love with her cousin Crown Prince Lamba Lu for a long time, but has never admitted her feelings to him.
• Magical Flutist: She can control the weather and summon lightning by playing her flute.

Lamba Lu

Voiced by: Yuji Ueda (Japanese), Derek Stephen Prince (English)^{Other voice actors}Alberto Bognanni (Italian), Charles Pestel (French), Marcelo Campos (Portuguese)

Kaolla's "brother" who is actually her cousin. He is the king of their nation, and in the tradition of their people, he has to serve in the military for a period of time. Before that happens, he is required to marry.

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• Alliterative Name: Lamba Lu.
• Ascended Extra: He is only mentioned in the manga, but appears in the anime.
• Childhood Marriage Promise: Once when Kaolla was a very young girl he promised to marry her, but then he realises that she only sees him as a brother, whereas Amalla is in love with him. He marries Amalla instead.
• Identical Stranger: He looks just like Keitaro, only with darker skin and without glasses.
• Kissing Cousins: He marries his cousin Amalla when he discovers that she is in love with him.

Mei Narusegawa

Voiced by: Yuri Shiratori (Japanese), Rebecca Forstadt (English)^{Other voice actresses}Georgina "Gina" Sánchez (Latin American Spanish), María Rosa Guillén (European Spanish), Monica Vulcano (Italian), Adeline Moreau (French), Letícia Quinto (Portuguese)

Naru's younger stepsister.

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• Canon Foreigner: She's an anime-original character. She does make a cameo in the manga in the final chapter during her sister's wedding.
• Girlish Pigtails: She wears her hair like this, showing her childish character.
• Production Foreshadowing: She's wearing a Mahora Academy uniform during her cameo in the manga.
• Relationship Sabotage: Mei visits the Hinata House in order to bring Naru home and attempts to disrupt the relationship between her sister and Keitaro by increasing the odds of Keitaro falling for Mutsumi Otohime, going as far as revealing a photo of the pair as children and suggesting that Mutsumi was the Promise Girl that Keitaro had been searching for.
• Shipper with an Agenda: She tries to get Keitaro to hook up with Mutsumi, hoping it will give Naru a reason to leave the Hinata House.

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