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"Your dreams are your own personal concerns... you should take on the challenge and fulfill your own dreams. However, your worries are my concern. Entrust every last one to me."Medaka is literally better than everybody, no matter how accomplished. The student council president, elected with 98% of the vote, Medaka is one of the mysterious Abnormals — genetically perfect human beings. In addition to being vastly better than average, this manifests itself in a special power — she has the ability to copy other people's special power along with their personality and master them instantly, then use them at will. This ability is known as "The End".Near the end of the Thirteen Party Arc, it turns out she has an even more terrifying nature hidden beneath that.In her second election, she gains the vote of the 2 percent that didn't vote for her, though the other 98% didn't give their vote to her because they loved her.
- Academic Athlete: She is an excellent student and athlete.
- The Ace: She is better than everyone at everything as well as extremely popular. The only things she can't do better than others are things that she probably shouldn't, like murder, or things that require personal expression like music and art.
- Action Girl: Tough, brave and stronger than everyone.
- All-Loving Heroine: Believes that everyone can be saved. May actually be right.
- All Take and No Give: Zenkichi will do anything for her, but Medaka just drags him along and ignores his will and all his protests. This becomes a plot point during the Kurokami Medaka’s Successor Arc and we see her called out on her treatment of Zenkichi.
- Animals Hate Her: Medaka terrifies all animals because they can sense her immense strength. Seems to not be the case after the Time Skip, where she has her office filled with dogs.
- Animal Theme Naming: She is named after a fish.
- Antiquated Linguistics: She has very old-fashioned speech patterns, in particular casually throwing the pronoun "kisama" toward almost everyone, which is regarded as hostile in modern times.
- Authority Equals Asskicking: Student Council president and, by the end of the first real arc, easily the strongest person in the school.
- Awesomeness by Analysis: Before the genre shift, it was often shown that she had a military strength Sherlock Scan. For example, the way she found the saboteur of the racing girl bordered on Crazy-Prepared with steps like simply happening to read every newspaper every day. The End also works by analysis: It's noted that she can't copy Unknown Hero because of this.
- Badass in Distress: To preserve drama she's occasionally put out of commission or taken prisoner, but it's fairly clear that she's still capable of handling everything.
- Bare Your Midriff: Her outfit after losing the title of Student Council president to Zenkichi and becoming a regular student.
- Because You Were Nice to Me: She became friends with Zenkichi because he was the first person to tell her that her life had a purpose. It's later revealed that she was so happy that she proposed to him, but he rejected her.
- Berserk Button: Her friends and especially Zenkichi being put in serious danger can set off her berserker side.
- The Berserker: When she gets too angry, she enters an alternate mode capable of tearing down buildings merely by walking. She ignores all injury, obstacles or morality in this state, though later it's mostly under control.
- Berserker Tears: When Zenkichi briefly dies in Chapter 71, she is so distraught that she enters War God mode, and several people have to hold her down out of fear that she'll go on a massacre.
- Big Eater: After she stops being the student council president it is revealed that she was holding back on eating meat. She turns out to be a bigger eater than Shiranui, who was only stuffing herself because Medaka wasn't at the time.
- Big Good: Medaka is always the one leading operations and is the symbol of the main cast.
- Big Little Sister: She's much taller than her older sister Naze Youka.
- Bi the Way: She loves Zenkichi, yeah, but that doesn't stop her from kissing Kikaijima.
- Blood Knight: Played with. While her main goal is maintaining peace, it is noted at several points in the story that she relishes challenges from enemies, especially after the Genre Shift. She eventually gets better.
- Blush Sticker: When she was a child.
- Boobs of Steel: Few characters rival her in breast size, and even fewer in power.
- Brainwashed and Crazy: Played with. Oudo tries it, but he just sets her personality back to how it once was.
- Character Tic: Has a habit of imitating other people's poses. She also has a very distinctive pose involving pointing her fan. The former habit is dropped shortly after the Flask Plan starts, and the latter after losing her position as Student Council President.
- Childhood Friend Romance: It's clear from early on that Zenkichi and Medaka like each other, but they don't realize how the other feels.
- Child Prodigy: Medaka at two years old had read the entire contents of a large library and was able to solve math problems that had professors stumped.
- It's rather telling that during one of the earlier arcs(The Flask Plan), she drops a mention to the fact that by the time she was a year old she had already accumulated all the academic knowledge she currently possesses.
- Chronic Hero Syndrome: She has lived by the policy that she was born to help others since she was two years old. It gets deconstructed since this is treated as a flaw. Medaka believes everyone needs her help and can't see the ones she helps as friends which leads her to think of her enemies as more like friends than her allies.
- Cleavage Window: She modifies her uniform to leave some cleavage exposed.
- It should be noted that Medaka states that she is not exposing her cleavage; she is covering everything else up.
- Clingy Jealous Girl: Subverted. Shiranui implies that Medaka is being jealous of her when she tries to keep her and Zenkichi from working together early on, but in truth she just doesn't like Shiranui. On other occasions, such as with Emukae, she laughs it off.
- Comically Invincible Hero: Both very early on in the series before she meets anyone at her level, and later in the series after she's overcome all her rivals. Culminating in an arc which consists of her beating up every single character in the series off-panel, a few at a time.
- Cool Big Sis: She seems to have assigned herself this role toward Kamome, even insisting he refer to her as his sister.
- Cry Cute: Her 'third special power' as Zenkichi calls it, is the strict girl/cute girl switch, where she puts on a cute crying face that nobody can resist, especially Zenkichi himself.
- Custom Uniform of Sexy: In no way, form or context could her school uniform be considered within school regulations.
- Dangerously Short Skirt: She wears an extremely short skirt on her custom uniform.
- Defeat Means Friendship: Deconstructed. Medaka actually can't befriend people without somehow defeating and "fixing" them first.
- Desperately Looking for a Purpose in Life: When she was a child, she wondered why someone so incredibly skilled and intelligent was born and came to believe her life was meaningless. Zenkichi was the one who gave her a purpose by telling her she must have been born to make people happy. This is played with every which way before being finally deconstructed twice over during the course of the series. Every time, Zenkichi was instrumental in showing Medaka a purpose she would follow.
- Determinator: Broken bones, ripped tendons, perforated lungs, losing pint after pint of blood and even being forced to see the world as Kumagawa does completely fail to phase her.
- Detonation Moon: Did something to the moon that caused both she and it to disappear. 11 years later she's working on a plan to restore it.
- Devoted to You: Zenkichi has devoted his life to being by Medaka's side and protecting her ever since he can remember.
- Duality Motif: In her Hybrid God Mode, the left side of Medaka's hair and her left eye turn black, while the right side of her hair and her right eye become white.
- Expy: Of Hitagi Senjogahara from Nisio Isin's other series, at least appearance-wise. Their personalities are complete 180s.
- First Kiss: Zenkichi states rather flatly that her kissing Kikaijima meant nothing. After all, Medaka was kissing everybody in her class years back until Zenkichi made her stop.
- For Happiness: Since Zenkichi told her he believed she was born to make people happy when she was two years old, Medaka has dedicated her life to make everyone happy. Due to her being brainwashed, this was later amended to allow for her own happiness, not just the ones she wanted to help.
- Gainaxing: There is a lot of this in just the first episode. Granted that it is Gainax though.
- Generation Xerox: She has the workaholic tendencies of her mother as well as the expectancy of others to follow her example and her father's extravagant and 'larger-than-life' personality and overflowing love.
- Genki Girl: Becomes much more energetic and friendly after losing her position to Zenkichi and becoming a "normal" student.
- Girlish Pigtails: When she was a middle school student, she had her hair done in two pigtails.
- The Glomp: Frequently delivers tackling hugs to Zenkichi.
- Healing Factor: All Abnormals heal quickly and Medaka does so quickly enough to heal broken bones simply by walking around for an hour or so. After seeing Koga's restructured body she begins healing even faster.
- Heroic B.S.O.D.
- She loses it in Chapter 71 when Zenkichi does a Heroic Sacrifice to take down Kumagawa.
- She also completely breaks down in Chapter 139, when Zenkichi not only defeats her in the presidential election, he crushes her. She had devoted herself to helping others and lacks the social awareness to see that people wanted her to be happy herself for a change.
- The Heroine: Medaka always being right is sometimes a plot point and is treated as being rather unnatural. Or perhaps you could say Abnormal. She is also, by definition, better than everyone at everything.
- Honor Before Reason: As the All-Loving Hero, she often resolves to reform people at all costs. Notably, in the Kumagawa Incident Arc, the Student Council actually wins by the second match, but Medaka doesn't feel right letting Kumagawa leave without helping him.
- Hyperspace Arsenal: Learned after the fight against Munakata, even when she didn't face him.
- Hypocrite: In the fight against Kumugawa, Medaka asks him what the problem is with not wanting to lose. In chapter 115, she chews Zenkichi out for not wanting to lose.
- Hypocritical Humor: In chapter 134, Medaka exclaims that she thinks no one in the world should have everything go the way they want it to, and Zenkichi rightly points out that, out of anyone, she has the least right to say that.
- Idiot Hair: She has one despite being extremely intelligent, but usually she does behave like an idiot.
- Idiot Hero: Medaka is not exactly stupid, but her behavior frequently is.Zenkichi: She's so smart she passes right back into stupid.
- For an example, early in the series when Medaka first starts fighting dangerous foes, she lets them get free shots on her. Her idealism leads her to believe that since her foes have no reason to attack her, she has no reason to dodge. She lets her unwillingness to fight result in injury from people actively trying to kill her, because she is unwilling to believe that her enemies have a reason to fight her, and therefore ignores the fact that they are actively doing it. She was also so overly trusting that she couldn't see through obvious deception, which gets her captured and brainwashed during the Flask Plan arc.
- I Just Want to Have Friends: She needs people in order to be somebody. Anybody. Without people she is only stats and abilities, very similar to her step-brother Tsurubami, a thing of enormous power, but without purpose, happiness, or orientation. "Live for People's Happiness" is her Goal in Life after all. Her Character Development after the Kurokami Medaka’s Successor Arc is largely about getting rid of this part of her, thankfully.
- Important Haircut: After the Kurokami Medaka’s Successor Arc she has Zenkichi cut her hair short, the style she had when the two first met so she can find a new purpose for herself.
- Improbable Aiming Skills: After picking up Unzen's Abnormal ability to calculate trajectories she can launch hundreds of superballs at her opponent. We don't see her master it to the same level Unzen did, however, though she probably did eventually.
- Invincible Hero: She's essentially unbeatable in a fight and never fails at anything important. When the metafiction comes into play, this starts getting played with a lot.
- The Juggernaut: She moved an entire building in her fight against Unzen, stating that as Student Council President it was within her rights to move buildings if she deemed it necessary.
- Just Friends: How she sees her relationship with Zenkichi since she proposed to him when they first met, but he rejected her (they were two-year-olds, so he didn't take it seriously) and forgot the whole thing and she assumes the status never changed. After the Student Presidential Election she does give him a much more pointed hint.
- Knight in Sour Armour: She has stated that she doesn't remotely believe in the absurd notion that all humans are inherently good, but she does like and believe that she can redeem most people. Her fundamental personality is most similar to Tsurubami of all other characters, except switching introversion for extroversion.
- Lack of Empathy: Her Fatal Flaw, believe it or not. As much as she wants to be The Hero and The Paragon, she does it out of a sense of duty because her being The Ace makes her unable to understand a lot of people (hence why she's not good with art or music - they're contingent on expression). Hell, she can't befriend anybody unless she beats them in a fight, so she treats her enemies as friends and her allies as more or less appendages (best seen with Zenkichi). This takes a pretty depressing tone once we learn about her goal in life. In the end, however, she gets better by the epilogue.
- Logical Weakness: The End has been shown to have two significant flaws.
- First, there are abilities she simply should not perfect. It is implied that if she perfected Munakata Kei's bloodlust Abnormality she would simply feel an even greater urge to kill than he does rather than be able to turn it off. Similarly, a Minus that gets stronger often becomes less controllable, such as Emukae's.
- Second, due to perfecting things without the need to work at them her self expression is atrocious. She's socially awkward because there isn't a 'right' way to interact with others and her creative/artistic ability is poor because she plays with perfect technique but with no self expression. Thus, when she plays music she actually ends up quite boring. This makes it impossible for her to copy a Style.
- Lonely at the Top: During her childhood, she did things so effortlessly that she couldn't make any friends.
- Male Gaze: She gets a lot of reaction shots that show off her figure as much as possible.
- Master of the Mixed Message: Characters find it really difficult to know when Medaka has serious feelings for someone since she will kiss and hug everyone without meaning a thing.
- Master of Your Domain: She has the capacity to control her body's functions. This climaxes in turning her body into one big heart after her actual heart stops beating.
- Meido: She briefly wore the costume and everyone agreed that she cannot pull the look off at all. Much too arrogant.
- Might Makes Right: Called out by Unzen of all people. She disagrees with his premises, but later she admits that she's wrong when called out by Koga regarding Kumagawa.
- Mistress and Servant Boy: Her relationship with Zenkichi sometimes borders in this.
- Moment of Weakness: When she's charged with stopping the moon from crashing down on Earth in a manner that would likely kill her, she finds herself trembling as she waits for her time to act. Iihiko's "echo" comforts her.
- A Mother to Her Men: It's easier to get her pissed off by attacking those close to her than Medaka herself.
- Ms. Fanservice: She very nearly sees it as her duty to provide fanservice and behaves accordingly with her exhibitionistic streak.
- No Badass to His Valet: Zenkichi has known her for so long that her impressive leadership skills, physical and mental prowess, and abnormal powers mean nothing to him.
- No Sense of Personal Space: She tends to be all over people.
- No Social Skills: Medaka has never really been able to learn social skills properly and tends to just copy people and fall back on impressing people into following her. It's telling that Zenkichi seems to be her Only Friend.
- Ojou: She's the wealthy heiress of the Kurokami family, implied to be the world's most powerful family.
- One Hero, Hold the Weaksauce: Abnormals and Minuses tend to be very poorly adjusted people because either they always win or they always lose. Especially the stronger ones. Thanks to the influence of Zenkichi, however, she can at least act like a passably normal person, if eccentric. Also, unlike almost all of the other characters, her abilities are completely controlled.
- Out of Focus: During certain arcs she tends to disappear from the plot during times like the Kurokami Medaka’s Successor Arc in order to flesh out the other characters. During these times Medaka seems to be viewed less like a person and more like an idol by the cast.
- The Paragon: Medaka goal in life to make sure her fellow students do not have any problems but encourages them to work towards their own goals and dreams. For example, she grows irritated with Akune early on when he does someone's task for them instead of showing them how to do it.
- Power Copying: The End, her Abnormality, allows her to instantly gain any skill or ability that she comes into contact with and then master them.
- Power Dyes Your Hair: War God Mode turns her hair into a lighter shade of purple (fluorescent red in the anime), Altered God Mode and End God Mode turns it black, Forsaken God Mode turns it white, and Combined God Mode turns it black and white.
- Rapunzel Hair: Down to her waist until she cuts it.
- Red Armband of Leadership: Along with a blue one and two green ones.
- Running Gag: Before the Genre Shift, Medaka had the habit of appearing in the background, mimicking the actions of the character to their chagrin. This was later explained as her need to identify herself to somebody, anybody and her inability to do so. And even later explained as the basis for her abnormality. All she can do is imitate other people very very well.
- Savvy Guy, Energetic Girl: Medaka has a tendency to drag the protesting Zenkichi around everywhere whether he likes it or not, in her zeal for helping people.
- Say My Name: ZENKICHIIIIIIIIIIIII!
- Shameless Fanservice Girl: A confessed exhibitionist.Medaka: [Lingerie Pose] What's the point if I can't show my toned body then?
- When Kumagawa says that the 6 perverted fake suitors are right up her alley, she insists that she's no stripper, and only likes being looked at (though this is shortly after her character does a total 180).
- Sherlock Scan: From a pair of destroyed cleats and a ransom-style note, she's able to deduce the culprit's dominant hand, preferred brand of cleats, the newspaper she's subscribed to, and the city block she lives on.
- Smug Super: She developed a condescending view on the rest of the world before meeting Zenkichi. Her brainwashing actually just brought this personality to the forefront.
- Spirited Competitor: Following the Genre Shift, she becomes much more interested in fighting, or any type of competition.
- Straw Nihilist: Before meeting Zenkichi. Since nobody could tell her her purpose in life, she came to believe that the whole world and life was pointless. Zenkichi told her she was born to make people happy and that gave her a purpose to live.
- Student Council President: Originally a parody of this character archetype until her defeat at the hands of Zenkichi.
- Sugar and Ice Personality: For her second trump card she changes abruptly from her usual strict personality to a softer and cute attitude. Curiously, she calls this ability Tsundere, which is a totally different character type.
- Super Mode: Has a total of five.
- Super Reflexes: She had to learn the hard way how to dodge, but after that she is nearly untouchable except against Kumagawa.
- Super Speed: She's always very fast, but if she activates the Kurokami Phantom she's basically unstoppable.
- Super Speed Reading: As a toddler, Medaka was capable of reading books so quickly and diligently that she would empty libraries.
- Super Strength: Even early in the story when she's been slacking off she's capable of tearing down buildings that she's stuck on.
- Super Toughness: Her body is much more resilient than most, though to what extent is not clear.
- Training from Hell: The only way she trains. Given the choice between easy training and hard training with the same results, she takes the hard training.
- Turn the Other Cheek: Early on, she will let an enemy wail on her mercilessly if she sees no reason to fight. Nabeshima eventually steps in to handle the fight and has to injure her opponent quite badly to make her stop, after which she points out that Medaka could have done it easier and without hurting her. Medaka mostly quits after this. Though it's a change for the better as latter arcs show.
- Uncanny Valley: Invoked by Maguro in a bit of Conversational Troping; it's mentioned later on in the story that Medaka seems inhuman at times. Like an imperfect or, in this case, overly perfect copy. He believes that it lost her the Student Council President election because people found it too hard to relate to her with the final straw being the fight with Zenkichi, which seemed heartless to the students. Ajimu disagrees with this interpretation, however, and says that people realized they were relying on her too much.
- The concept was also brought up when she attempted to join the battle of the bands; she has amazing skill at playing music, but it ultimately sounds dull without expression, something that can't be objectively perfected.
- Unequal Pairing: There's a constant minor subplot about the fact that there is nobody that is Medaka's equal, least of all Zenkichi, her love interest. Comes to a head in the Kurokami Medaka’s Successor Arc when A. Maguro realizes he was asking way too much of Zenkichi when he asked him to always support her and B. Medaka walks all over people without realizing it.
- Unstoppable Rage: Medaka's War God Mode. After copying Oudo's Abnormality, she gains more control over it, but does revert into utter berserker rage when she thinks Zenkichi died.
- Violently Protective Girlfriend: Hurting and/or killing Zenkichi will make her fly into her War God mode.
- Wall Crawl: Sprints up a wall to save time early on, but goes too far and ends up wasting time instead.
- Will They or Won't They?: With Zenkichi. They go through years (both in Real Life and in universe) of shipping, two rejections on Zenkichi's part, love confessions and a death or two. In the final chapter of the series (not counting the last chapter of Kumagawa), she and Zenkichi have one final duel, now that both of them have no powers. If Zenkichi wins, she has to marry him. If she wins, he has to marry her. Awww.
- Worthy Opponent: As Ajimu points out, Medaka values her enemies more than her allies.
- You Gotta Have Blue Hair: Her hair is purple.
- Zettai Ryouiki: Wears black stockings to above the knees.
"Because of that childhood friend of mine who can do everything, I can't leave her alone."Medaka's main man and punching bag. He's been with her since both of them were learning to speak, and his enthusiasm has rubbed off on Medaka. Has grown into a bit of a Knight in Sour Armor due to years of dealing with Medaka. While only a normal human despite some early hints to the contrary, he is quite special to Medaka and through his determination he's able to keep up with Abnormals and others. Maguro refers to him as "Normal Cool".
- Above the Influence: When presented with the a situation in which confessing to Medaka would have assuredly made her his, he rejects it. After all, that wasn't the Medaka he'd been following all those years.
- Adaptation Dye-Job: The anime makes his hair almost the same color as Akune's as opposed to being nearly white.
- Affectionate Nickname: Calls Kujira, Medaka's older sister, 'Master Naze' for training him to take on Kumagawa and in turn, she calls him 'Zen-chan'.
- Animal Motifs: Has often been compared to a dog, due to his loyalty to Medaka. He gives himself the nickname "Medaka-chan's pitbull".
- Audience Surrogate: Being essentially "the ordinary guy who follows the monster", he's bound to have this role. He acts as a straight man for most characters, but isn't completely without his own quirks (see Cloud Cuckoolanders Minder).
- Back from the Dead: Death turns cheap in this series after a certain point, so this one occurs a few times. The first is when he died after being bitten by the vipers while fighting Kumagawa, but then had a conversation with a long-lost schoolmate and returned to life with his eyes restored.
- Badass Boast: Zenkichi tells Emukae that he will give the most Epic rejection to her feelings possible. How does he do it? By Seppuku.
- Badass Longcoat: A school uniform variant when Zenkichi takes parts of the summer and winter uniforms to make his own. In a subversion, everyone else thinks it looks stupid. And his mother repairs it, with martial arts sewing.
- Being Good Sucks: Despite his love for Medaka, he resolved instead to be her protector and to help others around him, leading him to collide with all manner of unsavory people
- Beleaguered Assistant: He definitely has the attitude, but Medaka really does do most of the work. On the other hand, he has to put up with Medaka dragging him around.
- Berserk Button: Making Medaka cry will invoke his wrath.
- Book Dumb: He's savvy, but not exceptionally bright. This is not really obvious except by contrast with geniuses until the treasure hunt test has him stumped even by sunset. Basically he was still figuring it out the entire arc while everyone was undergoing the challenges . Despite this, he understands and empathizes with others quite well and his inherent nature allows him to bring out the potential of others.
- Boring but Practical: His fighting style is simple martial arts. No fancy tricks, no cool cheating, no superpowers. He punches people in the face
- Characterization Marches On: Starts out as the character more likely to use physical force against certain antagonists in contrast to Medaka's more diplomatic, if harsh methods. Later on, while still protective of Medaka, he solves his problems and fights through talking.
- Charles Atlas Superpower: Despite having the physique of a Normal, he's performed some superhuman feats, such as an earth-shaking stomp, and even running up walls.
- Childhood Friend Romance: He's loved Medaka for quite awhile, but thinks she doesn't reciprocate and has thus tried to act as her protector.
- Cloudcuckoolander's Minder: The only person that truly understands Medaka.
- The Comically Serious: He's one of the more grounded characters in comparison to the rather spacy Medaka or Maguro.
- Cowardly Lion: Somewhat understandable, considering some of the abilities seen in the series. Zenkichi is often intimidated or outright afraid of certain foes like Kumagawa. However, he'll still put it aside and do what needs to be done.
- Crazy Jealous Guy: While he generally doesn't take it to the extremes that others may have, he doesn't like other guys hitting on Medaka. He managed to break out of Oudo's "command" to kneel because the latter was about to kiss her.
- Crazy-Prepared: He created perfect models of handguns and bazookas and trained daily on how to disarm them just in case.
- Declaration of Protection: His motivation in life is to be by Medaka's side and protect her, although she doesn't necessarily need his protection.
- Determinator: Zenkichi in general, but especially if Medaka is watching. It's even present as a child, where he tells Medaka that even with a fever, he'll always catch up to her.
- Disappeared Dad: His dad abandoned his wife and son because he was a mediocre person who couldn't handle being near someone as extraordinary as his wife. Zenkichi doesn't resent him for it since he still had his mother, but he also resolved to never be like his dad. This is why he tries not to be The Resenter while being surrounded by extraordinary people.
- Distressed Dude: Happens to him in the Jet Black Bride Arc, where he is killed and sealed away by the Style Users.
- Dogged Nice Guy: He's been trying to get Medaka to notice him for years. Unfortunately, he forgot that Medaka already proposed to him once and assumes the status never changed which means without action on his part it's not going to go anywhere.
- Dude, Where's My Respect?: Played with. He starts the series known primarily as Medaka's lapdog, and doesn't get much attention other than that. Gradually, other characters see his good traits, and respect him more.
- Eleventh Hour Superpower: Before his showdown with Shiranui!Iihiko he temporarily becomes an user of the the Contradictory Conjunction style.
- Empowered Badass Normal: He starts the series with no powers whatsoever and isn't even a Special. However, after visiting the other world he was given an Abnormality by Ajimu called "Parasite Seeing", which allow him to see the world as others see it. It was later altered by Shiranui's minus "Real Eater" during his training with Anshin'in from a skill lets him perceive the world as another person to the skill "Model Zenkichi" that lets him perceive his own limits. He also gained an ability which nullifies coincidence known as Devil Style, and briefly gained a more powerful style known as Contradictory Conjunction.
- Engagement Challenge: Part of his motivation was proving to Medaka's brother Maguro that he was worthy of staying by her side.
- Expy: Of Koyomi Araragi from Bakemonogatari, personality-wise.
- Extremity Extremist: Justified Trope, as Zenkichi is a practioner of Savate, a French martial art relying on high kicks and boxing-like punches.
- Foil: Being the other protagonist, he's one of the primary ones for Medaka; a normal but realistic individual who works hard to keep up with others, who despite his normality holds greater empathy with others than Medaka, despite her love of people. It's shown that he's occasionally more idealistic than Medaka since he gave her a purpose in life.
- Generation Xerox: He and his mother share the same tastes.
- Good Old Fisticuffs: While Zenkichi's is shown to be very deadly in judo, boxing, and swordsmanship it's in his battle against Munakata that his forte is shown: Savate, the quintessential street fight technique.
- Hard Work Hardly Works: Played with. His extreme tenacity and work ethic have allowed him to keep up with Abnormals and even Minuses, but against the real heavy hitters he has difficulty matching up.
- Hereditary Hairstyle: He inherited his mother's hairstyle.
- Hostile Show Takeover: Played with after he fails to solve the first puzzle designed for Medaka's successors. He decides he'll make Medaka recognize him and works with Ajimu to become the 'main character' and therefore beat her. The two get along the entire time, though.
- Human Pincushion: During his fight with Munakata he gets several blades stuck in his back.
- Inconvenient Attraction: When he finally admits to himself he is in love with Medaka, he snaps and breaks down, letting out a horrified rant at himself, as he thinks these feelings make him a despicable person who has only been staying with Medaka because of lust.
- In-Series Nickname: Heat, though only by Tsurubami.
- I Want My Beloved to Be Happy: Forgoes his chance to confess to Medaka, by snapping her out of her Heroic B.S.O.D., telling her that she has to find out her reason to live herself.
- Jack-of-All-Trades: While obviously not supremely talented in nearly everything as Medaka, Zenkichi has shown proficient abilities at various sports, martial arts, and befriending others. As he was known as the "Club Typhoon", he's picked up various skills.
- Jerk with a Heart of Gold: He's snarky and gruff, but he's actually a really Nice Guy that's capable of making friends with extremely troubled people. His kind nature is such that Shiranui admits she could never really act against him.
- The Lancer: Due to his close relationship with Medaka, he defaults to the leader position when she's not around.
- Linear Warriors, Quadratic Wizards: He's the linear warrior for the first half of the series; skilled enough to keep up with and fight Abnormals, yet still far outclassed by Medaka's incredible growth.
- Living Emotional Crutch: Medaka would probably had become as insane as Kuwagawa if it wasn't for Zenkichi. Every time he's been forced out of the picture violently, an emotional outburst from Medaka is sure to follow.
- Love Epiphany: After a lengthy self-reflection of his feelings for Medaka and the driving force behind his devotion for her, he realizes he's in love with her and wants to date her. He does not take this well.
- Made of Iron: Despite his normal body, he's been shown as capable of taking a lot of abuse including continuing to fight with blades sticking out of his back.
- Mistress and Servant Boy: His relationship with Medaka sometimes borders in this. He gets sick of it eventually and tosses over the status quo to become her opponent.
- Morality Chain: When Medaka was young, she was lacking in purpose and was edging towards a viewpoint of 'the world exists to make me more complete.' Zenkichi gave her the desire to make others happy, allowing her to grow up relatively normal. Zenkichi gave her life actual meaning and continues to be the most influential person to Medaka.
- Mr. Exposition: Zenkichi ends up doing this during some fights, especially when it comes to Medaka's past.
- Not So Above It All: During his Freak Out, he realizes that, underneath all that savvy guy snark and apathy, he's basically just like everyone else and just wants to go out with the girl he's spent his whole life (largely) following with gumption.
- Odd Friendship: Being a Normal, his friendships with many Abnormals, both Plus and Minus, and even Ajimu Najimi is very odd that he was able to influence them as much as he has.
- Only Friend: Until the start of the story and perhaps well into it, Zenkichi has been Medaka's only friend. He's the only one to know her bad sides as well as her good ones.
- Plot Armor: Negated by the newly created "Devil Style" technique, which eliminates luck and coincidence.
- Poisonous Friend: Arguably at the beginning. He even claimed that his job was to go around bringing down people Medaka didn't.
- Power of Friendship: Weaponized and perfected by Zenkichi.
- Red Baron: He gains the moniker of "Club Typhoon"
- Running Gag: Zenkichi walking into the Student Council room while someone's undressing.
- Sarcastic Devotee: To Medaka.
- Satellite Character: Zenkichi has lived his life to protect Medaka and keep her a sane and relatively normal person. This is too much to ask of anyone, though, and he finally gets sick of it after coming in last place in the Treasure Hunt and she mocks him for it.
- Savvy Guy, Energetic Girl: Medaka has a tendency to drag the protesting Zenkichi around everywhere whether he likes it or not.
- Self-Imposed Challenge: During his fight with Medaka to see who will become the Student Council President and prove their main character credentials, he asks for an ability that would repulse any writer of traditional heroes, but we don't learn what it was for a long time. In the end, it turns out to be the negation of any sort of impossibly unlikely coincidence and fortune that blesses main characters everywhere. No plot armor, no long lost siblings, no Meet Cute, no mercy from enemies nothing.
- Servile Snarker: To Medaka.
- Single-Target Sexuality: Medaka-sexual.
- Spanner in the Works
- Zenkichi throws an early wrench into the Flask Plan by beating Munakata instead of Medaka. Later, he snaps her out of working for it out of her own will.
- Oddly enough, he does this one to Ajimu by succeeding in her plan. She wanted him to fail and show her that there were things not even she could do. She attempts suicide before being stopped by Medaka.
- Stalker with a Crush: Zenkichi's big realization in Chapter 126 is that Medaka doesn't return his feelings, which means he's basically been stalking her for years without any concern for her feelings. He's wrong, as shown by Medaka's Berserker Rage when she thought he had taken Kumagawa with him.
- Strong Family Resemblance: He looks like a male and taller version of his mother.
- Student Council President: Eventually decides to go up against Medaka for this position. When votes are being counted he knows there's no way he could have won. Except he did. Zenkichi crushed her in fact.
- Subordinate Excuse: The main reason he goes along with Medaka's antics. Over as of chapter 116 when he realizes he hasn't been doing either of them any favors by acting like this.
- Super Mode: Altered God Mode, Model:Zenkichi
- Supporting Protagonist: The primary viewpoint character of the series, but focused mainly on the antics of Medaka.
- Taking You with Me: The conclusion of chapter 70, where Zenkichi tries to kill Kumagawa by stomping the net so hard they both fall into the viper pit. Fails to work for three different reasons: Ajimu won't allow it, Kumagawa won't allow it and there's antitoxin anyway.
- Theory of Narrative Causality: Zenkichi's "Devil Style" allows him to cancel it out. In other words, he becomes the sort of the character that wouldn't be the main character of a story.
- Touched by Vorlons: Ajimu gives him "Parasite Seeing" to replace his lost eyesight.
- Tsundere: He acts rather grumpy towards Medaka, but it's rather obvious how he really feels.
- Undying Loyalty: To Medaka.
- Vitriolic Best Buds: Shiranui tends to walk all over him and mock him while he seems oddly supportive of her. She admits when he's out of earshot that she could never really work against him.
- Warrior Therapist: Seems to be his defining ability post-genre shift. His development has less been about becoming stronger in the traditional sense, and more about understanding and talking to others.
- Weak, but Skilled: While fairly strong physically, Zenkichi has had to rely more on crazy-preparedness to handle some of the super-powered foes in the series.
- Will They or Won't They?: With Medaka. They have gone through years (both in Real Life and in universe) of shipping, two rejections on Zenkichi's part, love confessions and a death or two. They Do in the final chapter of the series (not counting the last chapter of Kumagawa). Zenkichi and Medaka have one final duel, now that both of them have no powers to help. If Zenkichi wins, she has to marry him. If Medaka wins, he has to marry her. Awww.
- Worthy Opponent: Medaka and Ajimu both hope that he will become this for Medaka, presumably for different reasons.
- Would Hit a Girl: While he does express some reluctance at "seriously kicking a girl", he nevertheless will fight them if it's a serious situation.
Akune Kouki is a former thug and enforcer of Kumagawa Misogi. Upon seeing the example of Medaka, he was motivated to clean up his life and became her fanboy in the process. After being defeated by Zenkichi in an early match, Nabeshima prodded him into joining the Student Council as the secretary. He has a light rivalry with Zenkichi for Medaka's affections. Akune tends to be overly perfect in many ways: He's strong, handsome, clever, honorable and skilled at a great number of tasks overall. Though he generally tries to stick to the rules of judo, when push comes to shove he'll generally employ some dirty tricks.Akune is a Special, the step between an Abnormal and a Normal. He has the ability to imperfectly copy the abilities of others.
Voiced by: Daisuke Namikawa (Japanese), Tyler Galindo (English)
- The Ace: Prince of Judo, admired by many of the girls in school, has beautiful handwriting, and is usually quite a gentleman.
- The Atoner: For his violent and shady past as Kumagawa's wing man.
- Badass: He's often considered a more formidable fighter than Zenkichi and adapts quite quickly in fights.
- The Big Guy: He's extremely effective in brawls and when smarts aren't enough he'll revert to his destroyer nature and crush his way through the obstacles.
- Bishounen: The series seems to love reminding us of how good looking and perfect Akune is.
- Character Development: Throughout the story he generally mellowed out a great deal and became more of a princely character, though the Treasure Hunt made it clear that this isn't quite who he is either. During this arc, the nature of the tests and Wanizuka show him exactly how Medaka thinks of him: As someone who halfasses things and never does his best out of misguided devotion.
- Charles Atlas Superpower: He's a Special rather than an Abnormal and thus doesn't seem to have any particular super strength. He can still crush through a vault door with sheer brute power.
- Closet Geek: During his fight with Koga Itami, he outright admits to being a fan of Heisei-era Kamen Rider; in the manga he says that Ryuki is his favorite, while in the anime he imitates Shinji Kidou's transformation pose.
- Cutting the Knot: Instead of trying to solve a virtually unbeatable lock he decides to smash it instead and show why he was formerly known as "The Destroyer".
- Day Inthe Limelight: The Treasure Hunt put a great deal of focus on Akune and gave him quite a bit of character development.
- Dogged Nice Guy: He joins the Student Council to get close to Medaka, but she largely ignores him. The Treasure Hunt explores this aspect of his character.
- Genius Bruiser: Though primarily known as the 'Prince of Judo', he's extremely talented in calligraphy. The Kurokami Medaka's Successor Arc also focuses on his quick thinking and resourcefulness.
- Instant Expert: It's only mentioned once or twice, but his ability is a lesser version of Medaka's. When he see someone do something, he can copy them to a fairly skilled level. Unlike Medaka, though, it stops there.
- Power Copying: Though not to the extent of Medaka, he showed the ability to utilize Kikaijima's shout and Zenkichi's stomp.
- Not What It Looks Like: Invoked. Naze tells Akune to get off Koga, who he had pinned to the ground, in case anyone mistook him for a pervert.
- Right-Hand Hottie: Well, he is Student Council secretary.
- The Rival: He briefly served as Zenkichi's rival, but this eventually fazed out in favor of making Akune into a mild Parody Sue.
- Shadow Archetype: He held a similar level of devotion to Medaka as Zenkichi, until he realized how Medaka really viewed him. It's for this reason that he opts to join Zenkichi against Medaka.
- Walking Shirtless Scene: In middle school he wore his jacket open, with only a sarashi underneath.
- Would Hit a Girl: Despite being quite a gentleman, he won't hold back against women, evidenced in his takedown of Koga and Wanizuka. When he was known as "The Destroyer" in middle school, he'd beat Medaka senseless every single day on Kumagawa's orders until Zenkichi intervened.
"Although I'm the competetive type, I'm not the type that likes fighting. But if it's for a friend, I'll fight!"Kikaijima is a member of the Swimming Club who participated in the Student Council's challenge for club funding. She seemed greedy and harsh at first, but she later revealed in a dramatic monologue that she and the others in the club only wanted the money to escape their poor living conditions. After the swim meet, Medaka convinced her to join the Student Council as their Treasurer, at which point she started being drawn in a less threatening style and her personality took a one eighty and became a dorky cute girl instead.Like Akune, Kikaijima is a Special and has abnormal lung power and a good head for numbers.
- Adorkable: After joining the student council she gains a permanent blush, questionable logic and no idea what her service is actually worth.
- Babies Ever After: After a timeskip at the end, she's shown with a baby in her arms and married, though her married name isn't stated.
- Call Back: In her first appearance, Kikaijima was a ruthless money grubber, a trait that was downplayed and used for laughs afterwards. Later, during the Bloody Seven's match, we see her finally invent a really nasty strategy to legitimately cheat a completely fair game, run by someone who has an Abnormality based on making things fair (Choujabaru), and under the scrutiny of the series' top cheater (Nabeshima).
- Charles Atlas Superpower: Yes, you too can shout loudly enough to knock down walls and use echolocation if you swim a lot.
- The Chick: Kikaijima does her best to act as the heart of the group and when Zenkichi and Medaka begin fighting she forms a faction with the sole purpose of restoring group harmony.
- Comically Small Bribe: All it takes to make her happy is a small amount of yen. To join the student council, she requests a salary of (roughly) two dollars a day and when Zenkichi sees her mostly naked she thinks a fair compensation is about five dollars.
- Disappeared Dad: She has such an obsession with money because her family fell apart due to money problems.
- Hair Decorations: Always wears a blue ribbon in her hair.
- Luminescent Blush: Ever since she joined the Student Council, it's rare seeing her not blushing all the time.
- Make Me Wanna Shout: Third strongest suppressive power in the academy, apparently.
- Meganekko: She only really fits personality-wise after joining the council though.
- Money Fetish: She wants to make so much money that she can one day fill a pool with it and go swimming in it. However, it quickly becomes clear that she has no idea what her services are worth, so that's going to take her awhile.
- No Social Skills: Probably due to her lack of friends, at first she doesn't know how to hold a conversation and, thanks to Medaka's example, attempts to make Zenkichi her friend by kissing him.
- School Swimsuit: Wears it under her uniform as apparently she feels more secure that way.
- The Worf Barrage: Her shouting power was originally noted to be one of the strongest suppression powers in Hakoniwa. While she initially uses it to great effect against the Class 13, later opponents are shown to either have greater lung capacity or simply are strong enough to nullify it altogether.
A former junior and currently a senior who joins the Student Council after the timeskip. She is very business-like and strict.
- Action Girl: Torai is an accomplished martial artist and physically the most powerful member of the Student Council now that Medaka is no longer in it, best shown when she lands a successful blow on Nenami, one of Kurokami's Six Suitors.
- Almighty Janitor: Technically, she's the strongest physically of the New Student Council led by Zenkichi.
- Audience Surrogate: She replaces Zenkichi as this in the second to last arc, being the most sensible of the group.
- Bare-Fisted Monk: Her fighting style.
- Badass Bookworm: She is not only a genuine Action Girl, but she's the only Student Council member thus far that actually wants to follow her duties rather than The Power of Friendship for the most part.
- Beleaguered Assistant: She is quite displeased that Zenkichi doesn't value the rules of the school, not to mention treating her like an equal rather than a higher ranking student.
- Only Sane Man: She is the only Student Council member past and present, to be shown to actually wanting to following normal duties of a Student Council.
- The Worf Barrage: Her successful punch on Nienami only made her get serious.
- The Worf Effect: Loses to Kuruguri when she tries to help Emukae fight her.
Hakoniwa Academy Students
"Ku ku ku! Beat a clean opponent nastily! Being cheap and cheating, I used what I always do to win!"The head of the Judo Club who reportedly has the hots for Zenkichi. She came up with a plan to have her own Number Two Akune fight Zenkichi in a Judo match with the deal that if Akune won, he would go to the Student Council and cozy up to Medaka while Zenkichi would join her in the Judo club. It didn't work out. She is the cast's foremost rule bending and cheating enthusiast and referred to as the "Foul King." She has a level of resentment against geniuses like Akune.
- Alliterative Name: Nabeshima Nekomi.
- Cat Smile: Her name is Nekomi after all.
- Combat Pragmatist: This is her "hat" — as mentioned above, she can keep up with even the superpowered Abnormals by fighting absolutely, disgustingly, dirty.
- Eyes Always Shut: She opens her eyes less and less as the story goes.
- Jerk with a Heart of Gold: She likes to act mean, but she does seem to care in her own way.
- Phrase Catcher: Every person who ever lose to her will exclaim "You cheater!" according to Yakushima. It's so common that he even recognizes it through Unzen Myouga's Cypher Language.
- Weak, but Skilled: She's good at judo, but mostly relies on really unfair tactics, tricky and cheating to win. It usually works out for her.
- You Gotta Have Blue Hair: She has light green hair.
"Even if everyone forgets me, I always remember everyone."Senior of Class 13 and Medaka's predecessor as the 96th and 97th President of the Hakoniwa Student Council. His Abnormality is called "Unknown Hero," as he literally has the ability to disappear out of sight and out of mind. The gist of how this work is that he's so large and intimidating that most people subconsciously forgot he even existed or want to overlook him. As the former Student Council President, Hinokage protected the school for 2 whole years from the shadows. However, he was coaxed to come out of retirement by Medaka when he discovers the threat Class -13 poses to the entire school.
- Authority Equals Asskicking: He's massive and incredibly strong to the point where he was able to match Medaka evenly before the story started. However, judging by the increased effect of his Unknown Hero he seems to have gotten much stronger since then since people can't even remember him anymore.
- Awesomeness Is Volatile: His greatness is so overwhelming that people literally can't endure his memory and forget he exists as a defense mechanism.
- Badass: He is so Badass that people actually forget about him after meeting him out of fear. The first time we see him fight he reduces Kumagawa to a pile of dead meat in seconds, though All-Fiction fixes him.
- Big Brother Mentor: Serves as this towards Medaka with a bit of Stern Teacher thrown in.
- Beard of Sorrow: Is shown with unkept stubbles in his depression after his failure to protect his underclassmen against the Minuses.
- Determinator: Before the story began, he had a punching match with Medaka. They tied after 3 days of nonstop punching.
- Gentle Giant: He's ultimately a nice guy whose caring and supportive of the students, but against threats he's utterly merciless.
- Large and in Charge: Former student council president and a good ten feet tall or so.
- Lightning Bruiser: Huge, powerful and fast especially after Shiranui trades in his invisibility power for super speed.
- Marked Change: Once Shiranui lends him her power for the Chougasaki fight his body is covered with black tattoo like markings that represent his new ability.
- Passing the Torch: Retired when he met Medaka and discovered that she would make a better president than him.
- Punch! Punch! Punch! Uh Oh...: Hinokage absolutely flattens Kumagawa in seconds, but the damage doesn't stick and Kumagawa just casually mentions how he should take out his aggression on the next passerby he sees.
- Samaritan Syndrome: Took every responsibility on himself without ever relying on others. When the student council pleads for help he initially dismisses them and tries to take out Kumagawa and Class -13 by himself.
- Retired Badass: Protected the school for two years until Medaka took over.
- The Worf Effect: He´s ridiculously strong and before the introduction of the completely ridiculous powers later in the series he´s arguably one of the single most powerful characters in the series, but the Minuses he fights all have powers that are natural counters to him.
"Justice means nothing if you don't go overboard! That's my policy!"The first member of the Thirteen Party that Medaka ends up fighting and the impetus of the Genre Shift. He is called the "Monster Child" under the Flask Plan, as he is only 10 years old but is is intelligent enough to have skipped several grades. He believes in complete overkill and brutal enforcement of the rules, which puts him into conflict with Medaka quite quickly. He attacks with explosive superballs and carries string made from the same material as his Snow White suit.
- Authority Equals Asskicking: Of the Public Morals Committee
- Ax-Crazy: Willing to put the rest of the Student Council in grave danger in order to get a reaction out of Medaka.
- Child Prodigy: He's only ten, but he's also a junior in High School, which puts him a grade above his much older sister.
- Jerkass: Unzen is crude, rude and violent.
- Knight of Cerebus: He's not particularly bad, but he heralded the beginning of the story getting much more serious and shifting into a shonen fighting manga.
- Knight Templar: He loves going completely overboard over minor infractions.
- Ludicrous Precision: He can perfectly calculate the trajectory of a dozen super balls.
- No Kill Like Overkill: His policy is to brutally crush all rulebreakers even if there were other obvious solutions.
- Not So Different: From Medaka, despite his preaching to the contrary, he seems to hold his fellow Enforcers in high regard similar to Medaka and the Student Council.
- Perpetual Smiler: He has a perpetual smug, violent grin.
- Sociopathic Hero: He's actually against the Flask plan from the beginning and once Medaka challenges it he mellows out a little, but his actual personality doesn't change at all.
- Weaponized Ball: He uses extremely powerful super balls.
- What the Hell, Hero?: Early in the manga, Unzen calls Medaka out for only accepting the good parts about people and not just their flaws. She rejects the idea, but during the Kumagawa Incident Arc we see that he had a point.
A Freshman from Class 3 who happens to be a Special. She is an incredibly strict follower of the rules who lives by the motto, "Rule with an Iron Rod." Her weapon of choice is a pair of metallic American handcuffs, which led to an interesting predicament in one chapter. She does have some respect for the Student Council's work, which puts her slightly at odds with Unzen, who she realizes goes way overboard.
- Cute Bruiser: She can crack walls and bend metallic bars with her bare hands.
- Even Evil Has Standards: Was quite shocked with Unzen's "punishment" towards the music club due to some minor noise complaints.
- Kinky Cuffs: She uses them like brass knuckles.
- Proper Tights with a Skirt: Her proper, neat attire puts her at odds with the exhibitionist Medaka, indirectly sparking the first real conflict of the series.
- Well-Intentioned Extremist: She feels that rules need to be followed and the Student Council admits that Medaka is probably in the wrong for refusing to wear the uniform as she should.
A student of Class 13 though not a member of the Thirteen Party. Sister of Unzen Myouri, she speaks in her own math language that only her brother Myouri and Medaka can understand. She wields three pairs of small wrecking balls around with her, but without them she becomes incredibly agile.
- Covert Pervert: Enjoys dirty jokes, and, according to her brother, always talks about breasts. It's only covert because no one can understand what she says.
- Cute Bruiser: She carries around six 30 kg metal wrecking balls and uses them to smash things apart.
- Cypher Language: She can't speak Japanese or any other known language. Instead, she invented a language based on Arabic numerals that only she and her brother can understand. Medaka picks it up instantly, though.
- French Maid Outfit: Her brother implies that she's an otaku, so she wears a french maid outfit around for some reason.
- Hikikomori: She normally doesn't go to school or talk to people.
- Power Limiter: When she removes the wrecking balls, she becomes incredibly fast; both she and Nabeshima explicitly compare to Goku's use of weighted clothing in Dragon Ball Z.
Class 13 / Others
The Election Management Committee's Vice-Chairman. Is the referee of the election battles between the Student Council and Class -13, due to him being 100% neutral and fair. In fact, he has an Abnormality that destroys any unfair manipulation of luck and makes him the ultimate arbiter.
- Anime Hair: He has very spiky hair and a long energetic lock.
- Barehanded Blade Block: He blocks one of Kumagawa's screws using only two fingers.
- Blindfolded Vision: Presumably, justice is blind, but Choujabaru seems to be able to see perfectly well despite his blindfold.
- It is revealed in an extra that those blindfolds are transparent like sunglasses, he can see perfectly well.
- Combat Referee: Due to his Abnormality and focus on fairness and neutrality, he gets drafted into acting as the referee for the Student Council battles.
- Stealth Pun: He's a blindfolded judge. Justice is blind, eh?
Flask Plan Members
A dark-hued man from the Thirteen Party, nicknamed "Hard Wrapping." His Abnormality is the power to use his reflexes to instantly counter-attack anything he is hit with, usually without even realizing it. He's also highly intelligent, especially since he can do everything reflexively and leave himself capable of thinking and planning even when fighting.
- Ambiguously Brown: He looks exactly like a Scary Black Man, but has a Japanese name. And no one ever comments on this. Go figure.
- Blood Knight: He keeps fighting because he wants to find someone better than he is. His reflexes are so good that nobody can even touch him.
- Code Name: Hard Wrapping.
- Counter Attack: His specialty is to counter blows that the opponent sends because his reflexes can cover everything for him.
- Defeat Means Friendship: Joins the Loser Team halfway through the Thirteen Party Arc and fights the Plus Six.
- Flash Step: He's fast but not amazingly so. However, his movements are absolutely perfect, meaning he can achieve this effect.
- Genius Bruiser: He's the strongest direct fighter in the plan and also one of the top researchers.
- Power Incontinence: Until the very end of his fight with Medaka, he cannot control his reflexes.
- Super Reflexes: His Abnormality allows him to automatically react to any situation without thinking.
With the project name of "Last Carpet," Munakata is a hidden weapons user with the power to pull anything from small knives to a rocket launcher from his uniform thanks to training from Medaka's brother. His Abnormality causes him to desire to kill anyone he sees for flimsy reasons or no reason at all.
Voiced by: Hiroshi Kamiya (Japanese), Clint Bickham (English)
- Ax-Crazy: His Abnormality gives him immense bloodlust and has put him onto a list of wanted serial killers. However, he does not actually want to kill anyone, which leads to him attempting to seclude and weaken himself.
- Catch Phrase: "So I'll kill you"
- Code Name: Last Carpet.
- Combat Pragmatist: During Munakata's fight with Kumagawa, he doesn't hesitate to target Kikaijima, forcing Kumagawa to take hits he could otherwise dodge. After all, Kikaijima was also a target.
- Defeat Equals Friendship: After being beaten by Zenkichi, the two become friends, though Munakata isn't seen much again until the next Student Council Election. Interestingly enough, the Flask Plan supervisor was actually trying to invoke this trope, but with Medaka instead.
- De-Power: Loses his Abnormality after killing Kumagawa and realizing murder is boring.
- Discard and Draw: The story initially implies that he's dangerous because of all the weapons he carries, but it turns out that once he ditches that strategy he actually becomes Super Speed that almost nobody can keep up with.
- Fights Like a Normal: He has a supernatural bloodlust, but this gives him no more prowess at fighting than a normal person. In fact, he's actually more dangerous without his Abnormality because he doesn't have to limit himself to avoid killing people on accident.
- For the Evulz: It's not his fault, but his Abnormality pushes him towards lethal violence at all times for trivial or nonexistent reasons."I don't kill for no reason, I have reasons to kill. I'll kill you because I don't want to fight you. I'll kill you because you're in my way. I'll kill you because the weather's nice. I'll kill you because my phone's batteries are low. I'll kill you because I had a good dream. I'll kill you because I'm in a hurry. And I'll kill you for no reason at all. (To Medaka in particular) I'll kill you because the chairman told me not to."
- Good All Along: He actually hates the idea of killing someone, so he tries to scare everyone away.
- Hidden Weapons: He carries an impossible amount of weapons inside his uniform. Some of them could not possibly fit inside said uniform.
- Hyperspace Arsenal: He's got a lot of weapons stashed all over his body, none of which he can use well.
- Iaijutsu Practitioner: His most effective attack was a suddenly iai strike at Medaka that nearly decapitated her.
- I Just Want to Have Friends: He's quite lonely after forcing himself into solitude to keep from hurting anyone.
- Leitmotif: Kyou wa Totemo Ii Tenki da.
- Jerkass Façade: He plays up the psycho angle to keep people safe from himself in case he ever loses control of his bloodlust.
- Poisonous Friend: After becoming friends with Zenkichi he becomes willing to kill to protect his desires, even when nothing is really on the line.
- Possession Implies Mastery: Specifically averted: He lacks skill in wielding his Hidden Weapons.
- Power Incontinence: Munakata cannot control his desire to kill people.
- Shirtless Scene: As a result of Battle Strip. You know, for fanservice.
- Super Speed: After dropping all the weapons he carries, he becomes the fastest character in the series, though that statement was made without Ajimu or Medaka around.
- The Stoic: To the point that Kumagawa accuses him of trying too hard to look cool.
- Tall, Dark and Handsome: He's quite elegant and bishonen in appearance.
- Thou Shalt Not Kill: Despite his bloodlust, he has a policy of always trying to avoid lethal damage. He makes an exception for Kumagawa.
- Took a Level in Badass: In his first fight his threat mainly came from his sheer number of weapons and catching Zenkichi off guard. In his next real fight, he beats Kumagawa with dirty tactics and superspeed, both of which he avoided using before.
- Victory Is Boring: After killing Kumagawa he declares that it was so boring he'll never kill again.
- You Gotta Have Blue Hair: He has rather spiky blue hair.
- You Shall Not Pass: Refuses to allow Kumagawa and Kikaijima to leave since they plan on getting in Zenkichi's way.
- Zero-Approval Gambit: He's on a list of serial killers by his own choice: He's never killed anyone, but wants to scare people away.
Another of the Thirteen Party with the codename "Best Pain". Unlike some Abnormals who hated their own ability, Koga grew up wishing that she was more than just a Normal. As luck would have it, she became friends with the most Abnormal girl in her classroom who remade her into a sort of cyborg with Abnormal abilities. She is incredibly flexible and can even shock people, but the trade-off is she feels extra amounts of pain and her muscles drain energy quicker than normal people.
Voiced by: Madoka Yonezawa (Japanese), Cynthia Martinez (English)
- Ascended Fangirl: She's a huge fan of the Showa-era Kamen Riders, most of which were Hollywood Cyborgs like her.
- Bare Your Midriff: She wears around rather scantily clad, including her midriff being exposed.
- Boisterous Bruiser: She's loud, flashy and blunt.
- Calling Your Attacks: With her Kamen Rider fangirling, she has a fondness for this sort of action.
- Code Name: Best Pain.
- Cute Bruiser: She was Remodeled by Naze Youka into having perfect physique, a greatly increased metabolism and immense strength.
- Feel No Pain: Akune questions himself as to why she doesn't have this power, which leads him to the conclusion that the only reason she'd be left with a sense of pain is if she needed to feel pain as a way of measuring her status and not going overboard and wearing herself out.
- Healing Factor: She can heal broken bones in moments, though it takes a lot of energy.
- Hidden Depths: Mostly acts like a typical schoolgirl with Ascended Fangirl tendencies, but during the Kumagawa Incident Arc she shows surpringsingly good insight in how to deal with the Minuses and Medaka's motivation in doing so.
- Hollywood Cyborg: She was Remodeled by Naze Youka. The extent to which this extends is unclear.
- Hour of Power: She can only operate for three minutes at full power; when Akune learns about this, he remarks "You're not Kamen Rider, you're Ultraman."
- I Just Want To Be Abnormal: She was a completely normal person with nothing strange about her apart from a desire to be special. To this end, she had Naze remake her into an Abnormal.
- Leitmotif: Kaizou Ningen de aru, which fits her motif; the title is derived from the iconic Opening Narration for the original Kamen Rider, which she references when she battles Akune ("Koga Itami is a modified human...").
- Meaningful Name: Her first name sounds the same as the kanji for "pain".
- Odd Friendship: She and Naze are best friends despite Naze's gloomy attitude and Koga's rather cheery outlook. Naze seems like she's treating her as an experiment at first, but reveals that she actually values her even more than her own family.
- Wall Crawl: She walks on the ceiling more than the floor.
Naze Youka is the resident Mad Scientist of the Flask Plan and Medaka's older sister. She has an obsession with being as miserable as possible, believing that hardship is the root of all genius. To this end, she forsook the love of her family and their wealth and covers her face in ugly bandages with a knife sticking out to cover up her good looks, believing that anything that gives her a natural advantage will only get in the way. Her only close companion is Koga Itami.
Voiced by: Miyuki Sawashiro (Japanese), Kara Greenberg (English)
- Alliterative Name: Her original name, Kurokami Kujira, has both names begin with the 'Ku' syllable.
- An Ice Person: She remodels herself into having a Minus which allows her to freeze anything by adjusting her body temperature.
- Animal Theme Naming: Her birth-name means "whale" which fits the Kurokami family theme naming of being named after aquatic animals.
- Bandaged Face: She covers her face in bandages not only to hide her good looks, but to keep her true identity under wraps, as it were. She stops covering it after becoming Zenkichi's vice president.
- Code Name: Black White.
- Cursed with Awesome: From her perspective, being born into a wealthy, happy family with good lucks and natural genius is a curse because it makes her too happy.
- Gainaxing: She's quite bouncy.
- Laser-Guided Amnesia: She has drugs that can erase memories, but they don't work for long on Abnormals.
- Little Big Sister: To Medaka, who is notably taller than her.
- Mad Scientist: She loves experimenting on everyone.
- Misery Builds Character: She based her life on the saying, "Something amazing can only be made after seeing hell," believing that any happiness would keep her from creating her best work. Thus, she forced this trope on herself, even going so far as to run away from her well-off family, change her name, hide her face, and erase her memory.
- New Powers as the Plot Demands: Her Minus "Ice Fire", something that is lampshaded by Kumagawa.
- Odd Friendship: With Boisterous Bruiser Koga; the word she uses to describe her can mean "friend" or "experiment". Turns out she really does mean "friend". Awww.
- She later develops one with Zenkichi of all people. She helped to train him to withstand Kumagawa's oppressive Minus personality and later became his Vice President when he won the Student Council Election. Years down the line, she still calls him 'Zen-chan'.
- Older Than She Looks: She's actually Medaka's older sister, despite being shorter.
- Ore Onna: Perhaps to make herself look more unattractive, she speaks in a masculine fashion.
- Playing with Fire: She remodels herself into having a Minus which allows her to create flames by adjusting her body temperature.
- Red Baron: Demon Queen
- Red Eyes, Take Warning: She has bright red eyes and while not amoral she will take immoral actions simply because they make her unhappy.
- So Beautiful, It's a Curse: Due to her Misery Builds Character philosophy, she's unhappy about being very attractive, since it gives her an advantage in life. She hides her face behind bandages most of the time.
- Vapor Wear: She's wears panties but no bra. Hence why she always has her arms folded to support her breasts.
- You Gotta Have Blue Hair: She has purple hair.
Yukuhashi is a member of the Thirteen Party with the project name of "Rabbit Labyrinth" with an unclear gender. They normally keeps their face hidden behind a mask. Unlike the others, Yukuhashi is not quite interested in the Flask Plan so much as is interested in Oudo, whose ability helps to cancel out Yukuhashi's mind reading and empath abilities, which are too overwhelming to cope with otherwise.
Voiced by: Kana Asumi (Japanese) Margaret McDonald (English)
- Ambiguous Gender: Nobody is clear on what gender Yukuhashi is.
- A Mind Is a Terrible Thing to Read: Yukuhashi's ability grants the ability to know when anyone is lying and covering up their ill intentions. Such people are actually easier for Yukuhashi to deal with since they won't end up empathizing with the target too much that way.
- Code Name: Rabbit Labyrinth.
- The Empath: If Yukuhashi had lived in ancient times, Yukuhashi would've been seen as a mystic or a god. As it is, Yukuhashi can barely function in the crowds of Tokyo.
- The Faceless: Until the end of Yukuhashi's fight, they are always seen with a mask on.
- Leitmotif: Desugita Mane Dayo
- Odd Couple: Yukuhashi worships Oudo because all Oudo ever thinks about is himself, which cancels out all the background noise Yukuhashi hears.
- Opposites Attract: Yukuhashi's ability and personality is the exact opposite of Oudo's. Yukuhashi seems to be the only person Oudo cares about at all at the start while Oudo's self absorption helps stabilize Yukuhashi.
- Power Incontinence: Yukuhashi reads the minds of everyone around as well as picking up electrical signals which makes it impossible to function in crowded places unless Oudo is around.
- Voluntary Shapeshifting: Inexplicably so, and possibly just Master of Disguise.
"The world is too small for me. The sun is just about par with me. When I watch the sun make it's ascent towards the sky it reminds of just how great I am."A self-centered man who refers to himself as "The King" and is arguably the most powerful member of the Thirteen Party. At first he claimed his Abnormality was "Weighted Words," or controlling people just by verbally ordering them. However, Oudo later demonstrated this was just a ruse: his true power comes from controlling electrical impulses, including those human muscles and nerves. He is the key member of the Flask Plan due to his ability to control not only people but also electronics. He also has a secondary ability known as Unreasonable Taxation, which allows him to steal the ability of another Abnormal.
Voiced by: Kiyoshi Katsunuma (Japanese), Jay Hickman (English)
- Accent Adaptation: His English voice has a distinct, Fake Brit accent to it.
- Big Damn Heroes: Takes down Shishime, who was about to pound Medaka into an irreparable pile of dirt.
- Blatant Lies: "We are peace-loving, common, normal, ordinary, typical, everyday, normal, run-of-the-mill high school students".
- Character Tics: Has a habit of touching his forehead when he speaks.
- Code Name: Create.
- Compelling Voice: Subverted: He acts as though he has this ability, but it's actually more like mind control.
- Evil Counterpart: Towards Medaka; while both are quite powerful and huge confidence, she genuinely wins people with her charisma. Oudo mainly subdues them with his abilities.
- Evil Sounds Deep: In the Japanese version.
- Expy: Of Gilgamesh, a red-eyed, spiky blonde megalomaniac who wants the main heroine as his woman.
- Faux Affably Evil: Especially in the dub version with the Fake Brit accent.
- The Fettered: As a child, he lived on the streets and never hurt anyone in order to control his abilities. He failed.
- It's All About Me: When Yukuhashi attempted to read his mind, the only thought in his head was ME. As far as Oudo is concerned, the world exists for him.
- Leitmotif: Idai Naru Ore
- Odd Couple: His self absorption allows Yukuhashi to function like a normal person.
- Power Incontinence: His Abnormality has a severe effect on his personality and he is prone to giving commands and forcing people to do things regardless of his will. He's quite aware that he can't really control his ability.
- Power Parasite: Unreasonable Taxation allows him to steal the abilities of others.
- Pride: He is incredibly arrogant as a result of his Abnormality.
- Selective Magnetism: He can use his electricity controlling powers to make an electromagnetic field and levitate metal objects.
- Shock and Awe: He can control anything that runs on electricity, even if its bioelectricity. Including the neurons of the brain for some handy dandy brainwashing.
- Technopath: With his power to control electricity, he is the key to the Flask plan and controls over a hundred thousand supercomputers.
- Übermensch: He believes that as the king, the world revolves around him and behaves accordingly.
「With thrill and risk I sharpen my nerves. I'm someone who would bet even under the worst circumstances.」Kumagawa is the story's tritagonist, a boy whose involvement with Medaka and Zenkichi stretches back thirteen years. He is someone that is described as having no malice, hope or other similar feelings, but would kill everyone on a whim. He is perpetually cheerful and smiling, but beneath that his personality is quite nasty: He enjoys breaking people and wants to destroy the elite and bring them down to his level. He is seen as particularly revolting to the likes of Medaka, who wants to see the best in everyone. Either to mark his lack of connection with reality, or his insincerity「his speech is surrounded by brackets, which are Japanese quotation marks, even when he is telling the truth.」He possesses the Minus known as All Fiction, which was originally shown undoing all sorts of damage, and is fully capable of destroying his reality, or even entire concepts from existence.
Voiced by: Megumi Ogata (Japanese), Leraldo Anzaldua (English)
- Arch-Enemy: Initially notable as the one person who Medaka couldn't affect, and even after his Heel–Face Turn serves as one of her main contrarians. During the Flowers Run, he opts to face Medaka alone as her last opponent even after Hanten and Iihiko, who were both stronger than him.
- Awesome by Analysis: He can instantly analyze all the weak spots, contradictions, or underlying truths, in virtually any person's personality, ideology, or even general fighting defense.
- Ax-Crazy: To the point that he seriously considered killing every single person on the planet (himself included).
- Badass: He has an extremely powerful ability, but even putting that aside his physical abilities are extremely impressive.
- Blatant Lies: He has a tendency to tell extremely obvious lies, like saying he's totally not responsible for the attack on the Flask plan members while holding the bloody weapons involved.
- Breakout Character: Quickly became the most popular character in the series, eventually getting his own story in Jump NEXT magazine. He also gained an even more important role in the story than he had already held.
- Break Them by Talking: Just casually chatting, he knows all the things to say to cause someone to break down. He's so good at this that it borders on Mind Rape.
- Brown Note: 「A-hem」 「Good morning to all the minor characters.」 600 human hearts just got shattered!
- Born Unlucky: Unlike the likes of Medaka, the universe goes out of its way to make things harder for Kumagawa. He has awful luck such that he can never, ever win in a way that he can be satisfied with.
- Bullying a Dragon: Medaka's successors try picking a fight with Kumagawa. He pins them all to the wall in seconds once he bothers to try.
- Catch Phrase: 「Once again I couldn't win」 and 「It's not my fault.」
- Charles Atlas Superpower: Thanks to his Deliberate Injury Gambit and Confusion Fu habits it is easy to overlook that he is so strong, fast and deadly that only Medaka is capable of facing him.
- Chick Magnet: Once he quits being such a jerk girls start gravitating towards him despite his perverted behavior.
- Creepy Doll: His patched-up stuffed rabbit which he carried around at the age of four.
- Cute and Psycho: Even when impaling someone with massive screws, he won't lose that adorable smile of his.
- Dark Messiah: Kumagawa is this in two different ways:
- To the highly negative and largely insane students of Class -13, he is to them what Medaka is to the other students. The Paragon of what it means to be a Minus, it is shown that the Minuses know that Kumagawa is someone who would stand by and stand up for them no matter what.
- To the general student body, Kumagawa presents himself as a strange form of motivation; no matter how miserable they are, they can take comfort in the fact that there is Kumagawa Misogi, someone far more miserable and unfortunate than they are but still facing life with a smile.
- Defeat Means Friendship: After Medaka agrees to face him head on on his own terms, he cools off.
- Did You Just Punch Out Cthulhu?: Kumagawa managed to seal and banish a virtually omnipotent "Not Equal".
- Dissonant Serenity: He's almost always calm and happy looking whatever the situation.
- Discard and Draw: In chapter 88 Ajimu returns his original Minus "Book Maker" while taking back "All Fiction". Or at least, she weakens it since she couldn't take the parts he modified.
- The Dreaded: Throughout most of the Student Council battles everyone was horrified at the idea of having to go up against him. Not really because he was particularly strong, but because having to interact with him is horrible.
- Expecting Someone Taller: On his first appearances, he looks so harmless and friendly that only people like Zenkichi and Medaka take him absolutely seriously.
- Expy: Another one for Arraragi Koyomi, taking his crazier fiction referencing aspects.
- Failure Hero: He's known for never winning or getting what he truly wants, but he can always turn his losses into benefits, and few opponents can truly put him down for good. Even his ability, Book Maker has only been resisted by a few people.
- Fetish: He has a few "traditional" Japanese fetishes, including Naked Apron, panties, and adult women that look underaged. Case in point, if he wins the clocktower trials, he'll make all of Medaka's successors wear one. Spoofed when he actually managed to win the character popularity poll (by a landslide!) and forced all the girls in the top 10 to wear one in the bonus pinup announcing such.
- First Love: He likes to claim that his first love was Hitomi, Zenkichi's mother. And he actually does mean it.
- Good Old Fisticuffs: While not as sophisticated as Medaka or Zenkichi in combat, he can certainly hold his own in hand to hand combat.
- Good Samaritan: Despite being an antagonist, he heals the wounds of others, though his motives in doing so may be rather murky.
- Good Thing You Can Heal: Takes some of the most horrific injuries in the manga, only to literally walk away like nothing happened shortly afterwards.
- Heroic Sacrifice: He decides to fight Munakata to the death to protect Kikaijima, claiming that he feels strangely happy in dying for a girl's sake. Naturally, he survives.
- Heroic Self-Deprecation: Only, you know, villainous. He earnestly believes that he is weak, stupid, hateful scum but Medaka points out that he actually has a great deal of talent, charisma, loyalty and bravery.
- Immortality: He can negate any injury with a touch and even if killed outright he'll revive himself automatically whether he wants to or not.
- I Lied: Except when he's telling the truth, or being sincere... which makes it even worse, cause you just can't tell.
- Imagination-Based Superpower: He used it during a game of make-believe to created a magical beast slaying sword, which immediately crumbles apart because he couldn't imagine being able to win.
- Implacable Man: No attack that hits him really means anything since it's just made as though it never happened. Even after largely losing this ability, he's later stabbed, shot, sprayed with acid, hit with a stun gun and knocked down a flight of stairs, after which he gets up as though nothing happened and pins everyone to the wall.
- Improbable Weapon User: He fights with giant screws that he pulls out of thin air.
- Improbable Aiming Skills: It's not noted much, but he has supreme accuracy with his screws, especially when launching dozens or even hundreds at once.
- Impaled with Extreme Prejudice: He's fond of shoving massive screws into people. Book Maker also does this, but it's actually harmless.
- I Am Not Left-Handed: During the middle of the Student Council elections, he reveals that he actually does still have a weakened form of All Fiction left, though the limits on it are unclear.
- Infinite Supplies: Seems to have an infinite supply of massive screws.
- I Shall Taunt You: He specializes in psychological combat, especially feelings of dread, nervousness, and anger.
- It's Personal: Doing his battle with Munakata he temporarily drops his speech pattern to show his true feelings and makes it clear that Munakata isn't a Minus.
- Knight of Cerebus: The second major one of the series, Kumagawa starts actively bringing up the major tropes that define Shonen Manga and Medaka Box as a whole, drastically changing the manga from a more typical fighting manga to philosophical perspectives.
- Leaning on the Fourth Wall: Kumagawa likes to talk in terms of manga and compares to the main cast to the protagonist's group in shounen.
- Lolicon: Kumagawa has a rather wide strike range.Takarabe: Er... Kumagawa senpai, could you take a look at my panties, please?Kumagawa: 「Panties? Tarakabe-chan panties!」 「You'll show them to me Tarakabe-chan?」 「I wanna see, I wanna see!」 「Show me!, show me!」
- Luminescent Blush: Played for all its dissonant worth.
- Made of Iron: "All Fiction" aside, he has an almost abnormal tolerance for pain and punishment.
- Oh Crap!: His reaction when he found out Medaka still retained her viewpoint when subjected to his Book Maker.
- Ocular Gushers: When he is accepted and appreciated by winning the character popularity polls.
- Painting the Medium: His speech is always in 「Japanese quotations」 to show his insincerity. The only exceptions are at the climax of the Kumagawa Incident Arc and at the end of the Unknown Shiranui Arc. Akune comments on how he's returned to his usual insincere speech after the end of his fight with Medaka when the quotations reappear. Takarabe, who has a similar verbal pattern, calls him out on his odd speech.
- Perpetual Smiler: Kumagawa almost always has a wide, happy looking smile on his face. The only exceptions are the occasional smirk and if he drops it entirely, at which point he looks rather haggard and angry.
- The Power of Friendship: What ultimately converted him to Medaka's side, and he was always very loyal to Emukae Mukae, and traumatised people in general. Also, a Minus Medaka who understood his perspective stated that this is his real reason that he tried so hard in the council battles.
- Reality Warper: His "All Fiction" allows him to erase things from reality at will, though it can't bring them back and can't erase things that have a strong emotional attachment to them.
- Shadow Archetype: As the tritagonist of the series, Kumagawa is an interesting reflection of both Medaka and Zenkichi; with the former, he's almost equal in power but his disposition seems devoted towards misery, negativity, and failure, whereas Medaka is motivated towards success and happiness, though not without her own misgivings. With the latter, they're both looked down upon and considered losers in some sense due to their abilities, but while Kumagawa resolves to bring people down to his level, Zenkichi works hard to catch up to others.
- Sympathy for the Devil: Chapter 88. Even Zenkichi states from the onset that he isn't remotely evil as such though, which makes it all the more complicated to deal with him.
- Stepford Smiler: He smiles. All the time. Even when spouting off the most horrific things, or embedding giant screws into your flesh. All the time.Kumagawa: 「Even if things don't go the way you want them to, even if you lose, even if you don't win, even if you look like an idiot, even if you're walked on, even if you're kicked, even if you're sad, even if you're bitter, even if you're tired of it all, even if it hurts, even if it's hard, even if you're weak, even if you aren't right, even if you're humble...」Through all that, we Minus always laugh!
- Taking the Bullet: Throws himself in front of Kikajima when Munakata tries to shoot her.
- Tall Poppy Syndrome: He doesn't want to make people better, he wants to destroy the elite and bring them down to his level. His ability, Book Maker, is based on this. When he makes a Heel–Face Turn he calms these tendencies down, which correspondingly weakens his ability.
- Tareme Eyes: Notably the only non-child male drawn with these, which helps accentuate the Dissonant Serenity.
- Tritagonist: Kumagawa is brought up occasionally long before he makes a real appearance with an implied messy backstory with Medaka and Zenkichi. He later becomes an arc villain and represents the antithesis of both Zenkichi and Medaka. Following his Heel–Face Turn he maintains a large presence in shaping the story, though this may simply be due to his immense popularity.
- Troll: He sometimes seems to piss people off or break them for the hell of it, but when asked about a motivation he simply seems very confused, and basically doesn't know why he is doing things.
- Villainous B.S.O.D.: He has a minor breakdown when Hitomi won't let him see her panic at the thought her son is in danger. Not long after, he has a major breakdown when Emukae sacrifices herself to protect both him and Zenkichi. This perspective leads to his Heel–Face Turn.
- Villainous Breakdown: After Emukae, a fellow Minus, was reformed and changed her outlook on life.
- Villainous Underdog: The epitome of this trope, he's known as the weakest being and can never truly win in the way he wants. However, being the weakest person means he knows the weaknesses of nearly everyone and take on near anyone.
- What the Hell, Hero?: Kumagawa gets pissed at Zenkichi near the end of the Kurokami Medaka’s Successor Arc for wasting time trying to beat Medaka in the Student Council President race instead of just mustering up his courage and confessing. Zenkichi disagrees and Kumagawa is okay with that.
- Willfully Weak: This seems to be his modus operandi. He tends to let his opponents wail on him, only to undo the damage or counterattack viciously. In one instance, he allows Medaka's successors to beat the crap out of him before standing up and casually nailing them all to the wall to show that they're not nearly as good as they think they are.
- Xanatos Gambit: Used several of these to good effect, mostly in the battle for the Student Counsel seats. As a person who doesn't expect to win anything, setting up situations where a loss is also a win is a very important skill. And of course a win is naturally a win as well.
- 0% Approval Rating: He had this during his time as student council president in middle school as a contrast to Medaka's.
"What's important in someones heart is will! More important than being right and even more important than fighting! Above all!! IS LOVE!!"A girl who just wants to be loved and be happy, but has been twisted thanks to her uncontrollable ability to make everything rot, including living things like any animal she petted. Believing that she was unable to ever become happy, she turned mentally unhinged, and becomes extremely attached to anyone who would come close to her. When she bumps into Zenkichi, he unknowingly extends a hand to her and gains her instant infatuation.
- Broken Bird: Unlike the other Minuses, her ability isn't a result of a fractured mind. Rather, she was just a little girl who had a touch of death. It has not done pleasant things to her state of mind.
- Cloud Cuckoolander: Thanks to being so isolated due to her ability, she has a rather disturbed view on how to talk to people. It's a little funny at first, but mostly depressing.
- Cute and Psycho: She looks innocent and cheerful, but she shows no real compunctions against killing.
- I Just Want My Beloved to Be Happy: She's willing to correct Zenkichi in chapter 126 during his freakout over Medaka's feelings, despite this directly pushing him towards another woman.
- I Just Want to Be Loved: Anyone who extends a hand to her or shows interest in her gains her instant, intense loyalty.
- Important Haircut: She cuts her hair after confessing to Zenkichi because she knows for a fact he loves someone else.
- Improbable Use of a Weapon: Her weapons of choice are kitchen knives which would make sense if she didn't wield them backwards. Yes that's right, she's holding on to the blade itself instead of the handles.
- Love at First Sight: Falls for Zenkichi the moment he holds his hand out to her. This later declines in intensity but eventually does return.
- Love Freak: She gives a huge lovey dovey speech to Zenkichi the first time she meets him.
- Love Makes You Crazy: First towards Zenkichi after he's polite to her, then to Kumagawa after showing her that her powers have no effect on him.
- Make Them Rot: Her ability causes everything she touches with her hands to begin rotting while still alive until they're completely decomposed. It also affects objects. She can control the intensity and way things decompose, but she can't turn it off. Later she learns to do it "handsfree".
- Plant Person: Her power can somehow be channeled into the earth and create humus, manipulating plants in this manner.
- Power Incontinence: Her power to rot anything she touches is horrifying enough, but the inability to control it severely damaged her psyche. She's able to control it after Kumagawa uses All Fiction to depower it, but it still leaks out whenever she gets emotional.
- Villainous Crush: Through the Kumagawa Incident Arc she has a strong infatuation for Zenkichi and quite the unhealthy way of expressing it.
- Walking Wasteland: Anything she touches rots away and dies, including structures.
- Yandere: When first introduced, she's quite unhinged and she has a warped view of love and seriously creeps Zenkichi out.
"When you lose, do it honorably. When you win, do it with a bad attitude. That's my principle."Unlike the other Minuses, Gagamaru is soft spoken, polite and genuinely affable. However, this is because of his "Encounter" ability, which shoves off any mental, physical or emotional damage he takes somewhere else, making him the center of a great deal of suffering, for which he is incapable of even feeling guilt as that is also pushed away. Because of this, he has been left entirely alone as everyone around him was unable to bear the strain. Due to this, he lacks a great deal of emotional balance and can be easily enraged with the right words.
- Attack Reflector: His Encounter ability shoves all damage taken somewhere else.
- Berserk Button: He reacts with murderous rage when the card games he enjoys are insulted but only because he has no experience in dealing with negative emotions.
- Catch Phrase: "Just an unexpected accident."
- Evil Gloating: He gloats over his invulnerability to Hinokage.
- Gentleman Snarker: At least in the original Japanese.
- High-Class Glass: He wears a rather nice looking monocle to help cement his image.
- Implacable Man: Whatever attack used on him will fail.
- Insult Backfire: After being defeated by Hinokage, he not only accepted but expanded and explained all the insults that the rest of the school were throwing at him with almost Academic serenity.
- Minor Insult Meltdown: He absolutely explodes when Kumagawa makes a mild insult towards card games.
- Nigh-Invulnerability: Nothing, absolutely nothing had managed to even wrinkle his suit in the entire manga.
- Punny Name: His first name contains the character for "moth", while his surname contains the character for "butterfly".
- Odd Couple: With Shibushi since they were five years old. Both of them utterly destroy their surroundings yet are essentially incapable of hurting each other.
- Rant-Inducing Slight: Kumagawa's slight towards card games puts him into a murderous rage.
- Sharp-Dressed Man: Unlike the other Minuses, he always dresses well and looks composed.
- Slasher Smile: After he was "mortally offended". It dissapeared after his fight with Hinokage.
- This Is Unforgivable!: A parody on the concept.
- Undying Loyalty: He is completely loyal to Kumagawa, who helped give him purpose.
"Because i'm a professional in bringing misfortune on others, even if I'm not Kumagawa-san, I'll make you the most unfortunate human in the world."A tall, overly developed freshman whose Minus is "Scardead", or the ability to reopen old wounds no matter how old they are. She discovered her ability while playing on a children's baseball team as a young girl, and rather than fear her ability, she reveled in it and became a champion little leaguer even as her teammates suffered from unexplained illnesses. Kumagawa mentioned that this fact somehow makes her both the best and the worst member of Class -13.
- Art Major Biology: Not her, but how she was defeated by Naze was the single, uncontestable point that the entire manga had thrown its hands in the air and yelled "I'm just making things up."
- Axe Crazy: She loves to cause injuries and reopen them. She doesn't plan to kill anyone before she becomes an adult, but only because she wouldn't get punished as much if she did it now.
- Hair-Trigger Temper: Curiously, she became more stable after meeting both Chougasaki and Kumagawa. Before she would have hit a total stranger with a bat with enough force to break the floor because his game was too loud. And this was after Chougasaki apologized and lowered the volume of the game immediately.
- Hoistby His Own Petard: The Minus plan to recruit Naze backfires on them when she actually goes and gives herself a minus that perfectly counters Shibushi's.
- I Lied: A more benign one. It was never her intention to kill or maim permanently the rest of the Student Council.
- Laughing Mad: During her intent to bring the entire building down.
- Mind Rape: She can unlock and reopen all your "mental scars" letting you re-experience the trauma you had before.
- Ms. Fanservice: She wears a torn, low cut uniform that is many sizes too small for her.
- Odd Couple: With Chougasaki, who she first attacked and then followed since she was four. Double so because she is sure that he "would kill her" if she ever leaves him and said this as if it was a good thing.
- Power of Friendship: A very disturbing parody with Chougasaki and Kumagawa as they twist the Shonen Jump motto to be pessimistic and horrible. But really? It's played straight in its own way. They really do all care about each other and do use those bonds to help them achieve greater things..
- Repetitive Name: Shibushi Shibuki.
- Undying Loyalty: She is utterly faithful to Kumagawa, something that he assumes isn't possible for a Minus like him.
- Taking You with Me: She tried this after she realized she couldn't win against Naze. It didn't go as planned.
- Vapor Wear: She's clearly not wearing a bra.
- Why Don't Ya Just Shoot Him?: If she hadn't been playing around during her fight with Naze, she would have beaten her within seconds.
Characters who do not fit into the above categories.
"The three pillars that hold up my mentality aren't 'Friendship, Hard Work and Success'. They are 'My Sister, My Sister and My Sister'."Maguro is the eldest of the Kurokami siblings who adores his sisters to a worrying degree. Maguro was the one who trained many members of the Thirteen Party and originally worked on the Flask Plan; despite being pretty useless on his own, his Abnormality is the ability to support and analyze others. He is a school drop-out who now manages Ghost Babel, the old academy building. When Medaka came to him for help he agreed to get her and Zenkichi in shape to fight the Thirteen Party.
- Animal Theme Naming: He is named after a tuna fish.
- The Atoner: The reason he's chosen Zenkichi's side over Medaka's is because he felt guilty about telling him that he'll never be good enough to protect her. And now, after apologizing and asking him to stay by her side, he feels even guiltier because he now understands the kind of person Medaka is and realizes that he was essentially sacrificing Zen for Medaka's sake. One might think that he blames himself for the pressure that Zenkichi's been put under.
- Awesome by Analysis: His Abnormality allows him to analyze someone's ability and pull them out to the maximum potential.
- Because I'm Good at It: He's a nice enough guy in his own weird way, but he's perfectly okay with doing things like teaching Munakata Kei hidden weapon techniques just because they suit him. The fact that these techniques actually made it easier for Kei to avoid killing people is simply a bonus he never even considered.
- Big Brother Instinct: Maguro lives for his sisters.
- Bishounen: Even with all the scar marks on his chest.
- Brother-Sister Incest: He creeps Naze and Medaka out by constantly flirting with them and putting them in embarrassing situations while constantly proclaiming his love for them. That said, that's clearly the line for him: It goes no further and he in fact supports Zenkichi.
- Bunny-Ears Lawyer: Acts very perverted toward his sisters, but is also a talented researcher who knows his allies and enemies strengths quite well.
- Chivalrous Pervert: Claims to be capable of stealing the eyes, bra, panties, and heart of any girl he meets.
- Hair Antennae: He has one.
- Ill Boy: As a result of having half his organs removed. He was forced to quit school. Kumagawa later fixes this.
- Limited Wardrobe: Always wears the same jeans, shirt, and crucifix.
- Long-Haired Pretty Boy: His hair is around as long as Medaka's. Coupled with his good looks and intelligence he'd probably be popular if he wasn't always hitting on his sisters.
- Weak, but Skilled: Maguro himself is nothing special, but he has the ability to enhance other people's abilities. This is best shown during Emukae's debut, when he manages to outspeed her and give her a chop to the back... which is little more than a light tap because he's not the combat type.
- You Gotta Have Blue Hair: He has purple hair just like Medaka.
Zenkichi's mother, who happens to look like she's 12 years old. A former "psychosomatic surgeon" known as the "Licensed Black Jack" who worked with Abnormal children. She's also an adult Abnormal, though what her ability actually is isn't entirely clear.
- Action Mom: She manages to have a whole ability set based around domestic things mothers do like gardening and sewing.
- Extremity Extremist: She uses Savate just like her son — in fact, she's the one who taught him the basics.
- Mama Bear: She's always doing her best to keep Zenkichi safe, but she subverts the reaction once to get under Kumagawa's skin.
- Martial Arts and Crafts: You've never seen sewing made so awesome. She'll pin you to the concrete floor!
- Meddling Parents: She enters the story during the Kumagawa Incident Arc to help Zenkichi deal with Kumagawa.
- Mum Looks Like a Sister: Akune mistakes her for Zenkichi's little sister in her introduction.
- Mundane Made Awesome: The gist of her unnamed abnormality is excellence in household tasks. This extends to using garden clippers to fight someone with a Green Thumb or pin those with a Touch of Death to the wall.
- My Beloved Smother: She's rather overbearing on Zenkichi, but since they share the same tastes it goes surprisingly well.
- New Transfer Student: She transfers into the school in order to have a reason to stick around. When she introduces herself to the class, everyone assumes they must have misheard her actual age.
- Older Than She Looks: Physically she looks twelve years old, but she's actually forty-two.
- Repetitive Name: Hitoyoshi Hitomi.
- Swiss Army Super Power: Her ability follows the general pattern of being awesome at domestic things. This is rather flexible.
"I meant to act like a guy who was aloof to the world, who hid the hatred towards his father inside his heart. But in the end, it turns out I was just a guy aloof to the world."Kamome is Medaka's cousin, discovered by Najimi and brought to the academy, who possesses rather extreme capabilities and an almost protagonist-like nature, which is what caught Najimi's interest. He has great skill and good intentions, but his personality is flawed: he's gloomy, shy, obnoxious, and talks too much, especially about things that most would consider private. He also detests Shonen Jump and picks a fight with Zenkichi because of it.
- Animal Theme Naming: His name means "seagull" (since he is aloof and noisy). His dad's name means "owl" (since he has a form of wisdom, dwells in the metaphorical darkness, and sees through it), and his aunt's means "dove" (since she was an innocent, white-clad, easy prey for the world). Since his name comes from a bird that's closely related to the ocean, he also ties in with the Kurokami family's theme.
- Anti-Hero: As a "dark hero" he seems to be a Knight in Sour Armor or Classical Antihero.
- Becoming the Mask: After his father dies, he reveals that his aloofness was not just an act. When he lashed out against his father in anger he was still affected by Fukurou's style so he could conclude that he wasn't actually that angry at him. He really had become aloof to the world.
- Beware the Silly Ones: Even though he usually acts aloof and avoids confrontations he's one of the strongest students in Hakoniwa and was able to almost beat Medaka until she discovered his weakness.
- Character Development: He seems to be more comfortable in a group since he started hanging around Medaka and Zenkichi.
- Closet Geek: Though once he gets talking he'll happily tell you about how awesome Jump Square is, because it's more mature than Shounen Jump.
- Disappeared Dad: He never knew what happened to Fukurou until Najimi told him he was dead, and then it turns out that she was lying.
- Face Framed in Shadow: The area around his eyes is perpetually covered in shadow to emphasize his nature as a "dark hero". He loses it after the Time Skip, and looks all the better for it.
- Fetish: Has a self-confessed fetish for girls' shoes.
- Gravity Master: His Minus, Octopus, is described as a gravitation skill.
- Improbable Weapon User: He uses a spinning top to control the rotation of the world itself.
- In-Series Nickname: After they become friends, Zenkichi starts calling him "Bami".
- I Shall Taunt You: His self-taught confrontation style revolves around making his opponents lose their composure.
- Let's Get Dangerous: Well this new guy's pretty weird, no wonder Zenkichi is annoy- wait, did he just block Zenkichi's kick with his own?!
- Like Brother and Sister: Although they are cousins, he looks up to Medaka, who gets along much better with him than with her real brother.
- Logical Weakness: Shares one with all the language users. As all of the styles are basically just advanced form of communication, they are rendered useless against opponents that can't communicate, like if they are blinded by rage.
- Man Child: He tries extremely hard to project the image of an aloof and mature badass. His social awkwardness, tendency to run his mouth and obsession with Jump Square tend to ruin that image. Considering his treatment at the hands of his father, it's hard to blame him.
- New Transfer Student: Ajimu transfers him in as part of her plan to challenge Medaka indirectly.
- Not Good with People: He can't have a conversation with more than one person at a time, Hates Being Touched and never makes eye contact.
- Odd Friendship: Forms a friendship with Zenkichi of all people, likely out of respect and similarities in character.
- Open Mouth, Insert Foot: The first time he talks to Medaka, he annoys her enough that she tries to kick him in the face twice. Both times, he catches her attack with his teeth.
- Perpetual Frowner: In a really quite cute, almost pouty way.
- Psychotic Smirk: Flashes one at Zenkichi briefly when they first meet.
- Rule of Symbolism: Since he is rather egocentric, and walled off, his plus ability and spinning top basically mean that he feels as if the world revolves around himself.
- Shadow Archetype: For both Medaka and Zenkichi. He shares the latter's position as a supporting hero who has become rather cynical, and the former's ineffectual loner status which is highlighted when it turns out they're cousins.
- Sore Loser: After he is defeated by Medaka he delivers a Wall of Text filled with excuses and reasons why that match didn't really count.
- Suspiciously Specific Denial: He most definitely doesn't read To Love-Ru Darkness, oh no.
- Wall of Text: When he goes off on one of his rants.
- When All You Have Is a Hammer: Compared to nearly every other fighter, he has no skills or styles beyond the three he uses in his self-taught Kamome System. Those three were literally all he needed to trounce Zenkichi and Medaka with relative ease.
- Words Can Break My Bones: He's a Provocations Style user, which forces his opponent to lose their composure. It has also been called Prototype, since he developed it himself.
- The Worf Effect: He quickly establishes himself as someone formidable after blocking Zenkichi's kick and turning Medaka into a bloody mess. Medaka figures out his weakness, that his ability doesn't work if she shuts off her hearing, and wins the second round with ease. Against his father, it's revealed that he has a Plus and a Minus in addition to his Style, and that he is the strongest student at Hakoniwa, but since his father has the ability to reverse the odds, they are all useless against him for that very reason.
- You Killed My Father: Ajimu uses his father's death as bait to pit him against Medaka, though he doesn't really seem particularly angry. And his father isn't actually dead either.
The Cultural Festival Entertainment/Battle of the BandsA trio of famous performers that Medaka picked at random to entertain the school. Any one of these three could "sell out the Tokyo Dome ten times over". Their names are Sukinasaki Saki◊, Furousan Zomeki◊ and Hachiningatake Jyuujika◊.
Saki voiced by: Yoko Hikasa (Japanese), Juliet Simmons (English)
- Japanese Pronouns: Saki switches from Watashi and the arrogant Ore-sama.
- Last Episode, New Character: Saki shows up in the last episode of Abnormal.
- Mind Control: Saki's ability, as seen in "Good Loser, Kumagawa". It works by imbedding Iron Plates on people's foreheads.
- Naked People Are Funny: Saki has a habit of stripping when when she gets too exited, much to her embarrassment.
- Nice Hat: Furousan wears a moose-shaped hood.
- Noodle Incident: Something happened between her and Kumagawa in the past which resulted in the closure of their old school, nothing is explained for this except for the implication of Battle With no Winner. This is also probably the reason why Kumagawa is missing during the cultural festival: He was avoiding her.
- Slasher Smile: Saki is prone to make huge, sharklike grins.
- Take That: The three of them, especially Saki, are a big Take That to how the idol industry work. Saki doesn't have fans, she has customers.
- Wingding Eyes: Furousan has a musical note in each one, which she hides them with sunglasses.
Tsurubami Fukurou is a father figure for Medaka, more so than the one she actually has. He's also the father of Kamome. When Medaka was younger, her family organized what amounts to a special wedding contest which would become known as the Jet Black Wedding Feast, the winner of which would marry Medaka. Though he won, he acted more as a father figure for the young Medaka before he was assassinated.
- Brother-Sister Incest: He was in love with his sister and looked up to her, but she didn't really seem to possess that emotion. Even after getting married into the Kurokami family. He loved his sister so much he set her up to make a daughter similar, but more lovable, that he could be close to. And when that didn't work out settled for a shadow of her. Sheesh.
- Dropped a Bridge on Him: Iihiko drops down from out of nowhere, unwittingly crushing half his body.
- Gone Horribly Right: His plan was for Medaka to be someone with the love of her father and ability of her mother. She exceeded more than he ever imagined, leaving him with the same problem he had with her mother.
- Half the Man He Used to Be: Iihiko smashes the right side of his body when he lands on him.
- Lack of Empathy: He never faces defeat head on and never gets angry, leaving with him a remarkably cold and manipulative nature. His inability to truly understand anger is what gets him killed by Iihiko.
- Love Makes You Crazy: He was in love with his sister, but she never really had any love in her that people could accept. So she married into the Kurokami family, who have a reputation for having a great deal of love. Fukurou watched her daughter Medaka grow up viewing her as a replacement for his sister, but she was too intense for him. So then he settled on making a copy of Medaka via Shiranui. All the while, he's having people assassinated and coming up with supernatural techniques.
- Mad Scientist: When it became clear that getting the love of someone as intense as his sister was impossible, he began experimenting and manipulating and eventually invented Styles.
- Parental Substitute: As one of his more positive traits, he really did function as a surrogate father for Medaka, which is one reason that he stopped his Wife Husbandry plan with her. He just got worse from there.
- Shadow Archetype: He loved his sister, who was much like Medaka, but found it difficult to keep up with her, so he set her up with Medaka's father to make someone who would be like her, but with more love and less drive. It fails miserably because Medaka is every bit as intense but also has too much love for others for him to be able to bear, so he goes and tries to settle for Shiranui, Medaka's shadow. He's basically what Zenkichi would be without determination. And a whole lot of crazy.
- Sore Loser: He's willing and able to wipe out humanity by dropping the moon on the Earth if he dies before getting what he wants.
- The Man Behind the Man: He's the man behind the Second Jet Black Wedding, with the intention of having Medaka grow psychologically so Shiranui would be freed from her Double assignment.
- The Reveal: Oh boy. He's actually nutter-butter insane, and set up Medaka's parents specifically to make her so he could marry her. When that didn't work out, he set up the Second Jet Black Wedding to free up Shiranui so he could at least marry someone like his beloved sister and niece. His plans and character put an entirely new twist on not only the arcs since Ajimu's plan ended, but Medaka's backstory as a whole.
- Taking You with Me: His Style "Testament" lets him attempt this with all of humanity by bringing the moon down to the Earth.
- Wife Husbandry: Back to Medaka's very birth, he's been grooming her to be someone he could love like he loves his sister. Unfortunately for him, he did a little too well. He also planned on doing the same thing with his own child, but that failed when his kid turned out to be a boy.
"I'm Ajimu Najimi, the founder of Hakoniwa Academy. I'm simply an impartial nonhuman."Ajimu Najimi was the beloved vice president in office at the middle school where Kumagawa was student council president. She was so warm and loving that even the dark and twisted Kumagawa loved her. However, something about her bothered him intensely and he apparently ended up ripping her face off. Or is it? Turns out that Kumagawa actually put a seal on her because she was a nearly omnipotent being that viewed the people around her as indistinguishable from the scenery: A Not Equal.Ajimu, or Anshin'in as she likes to be called, is a being older than the universe with essentially unlimited power and trillions of different kinds of Abnormal and Minus abilities. She's also very clever, but her view on reality is rather cold despite her friendly attitude. Perhaps because of her age and experience, she knows how the world works quite well and has become very Genre Savvy as a life, making frequent comparisons between what's going on and stories, particularly shonen manga.She is the founder of Hakoniwa Academy and the Flask Plan.
- Above Good and Evil: She stated in Chapter 88 that "Good and Bad", "Happiness And Sorrow" and so on are the same thing, and she is sickened of the inapplicable ideals and sentiments of both Medaka and Kumagawa.
- Back from the Dead: Her introduction as a villain is played up as this, although it's unclear if she was actually dead to begin with. Doesn't really matter.
- Becoming the Mask: Helping Zenkichi against Medaka was mostly to further her own plans, but after Zenkichi is killed, she quickly realizes that she actually enjoyed hanging out with Zenkichi.
- Blasting It out of Their Hands: Has a Gun Skill for this called [Gun Hitter]
- Bokukko: Uses "boku" and generally masculine language.
- Cannot Tell Fiction from Reality: The ultimate twist for Ajimu and the reason behind both her world view and genre savviness is that after trillions of years of things always going her way, her mindset has warped to the point where she no longer views the world as real and thinks she's living in some kind of twisted manga.
- Catch Phrase: Every time people call her by her real name she replies with "Please call me by my nickname, Anshin'in-san". She even have a skill [Rhetoric Parasol] which is described as a "Catch Phrase Skill".
- Combo Platter Powers: She has thirteen quadrillion different abilities of various shapes and types which allow her to do pretty much anything. She had a long time to live and just spent the whole time learning how to do completely random things.
- Comedic Sociopathy: Ajimu indulges in this now and then; when a Double she defeated earlier noted that his speciality is in handguns rather than the sword he had used against her previously, Ajimu immediately gunned him down with a pair of pistols and 100 Skills For the Lulz.
- Complete Immortality: She's older than the universe and has shown the ability to appear in a 'waiting room' of sorts from which she can return any time she likes if 'killed' or sealed. She's later killed by Iihiko and cannot revive herself, but after he is killed and his power fades, the rest of the cast agrees that she'll be back again before too much longer.
- Consummate Liar: So "good" at Macchiavellian deceit, charades, and manipulation, that even Zenkichi can't tell whether she is telling the truth, and Kumagawa is probably the only one who even has a shot at discerning it.
- Character Tics: Often does a hand gesture where she point up in a lecturing sort of way.
- Chekhov's Skill: During her showcase of 600 of her skills, one of the shown skills was the ability to leave a recording after your death. She uses it to deliver a final message to Kumagawa after she dies.
- Curb-Stomp Battle: She stomps the fake suitors in the Jet Black Bride arc in seconds and then says it could have totally gone the other way, honest.
- Curse Escape Clause: The Book Makers that stop Ajimu's god-like powers are indestructible... but they require Kumagawa to remain as maladjusted as possible. Given his Heel–Face Turn, they are starting to weaken and dissipate.
- Deadpan Snarker: She has a rather biting tongue despite her perpetually pleasant demeanor.
- Death by Disfigurement: Kumagawa may or may not have ripped off her face. Of course, she's immortal so death doesn't really 'stick' for her. She shows up again with her abilities merely sealed by Book Maker.
- Defeat Means Friendship: Her skill, [Friendly World], can do this. After having her suicide prevented by Medaka she lightens up and joins the academy as a student and a sort of Aloof Ally.
- Dissonant Serenity: She's also really friendly looking and giving seemingly genuine, heartfelt smiles no matter what she's feeling or what's going on.
- Faux Affably Evil: She's also very polite and friendly, but one of the first things we see when she reenters the story is the world from her point of view: People mean absolutely nothing to her. They're indistinguishable from scenery. After she's defeated, she retains the same politeness, but she evidently grows to care for people (like Kumagawa and Zenkichi) a lot more, by her standards.
- Genre Savvy
- Her reason for not taking on Medaka is the Theory of Narrative Causality. Specifically, since Medaka is the main character, whoever fights her is sure to lose... so Ajimu is simply going to wait until the series is over before she continues with her plans.
- Following this she attempts to defeat Medaka indirectly by changing the nature of the story so that now Zenkichi is the main character. She also says that he's more likely to win because when main characters clash the more heroic one wins and claims that Medaka committed murder.
- Guns Akimbo: She has a specific skill for this called [Left Head Right]
- Hair Decorations: Wears two ribbons in her hair - yellow or red depending on her appearance.
- Half The Woman She Used To Be: In Chapter 163, courtesy of a rubber band she's blown in two by Iihiko.
- Happily Failed Suicide: Ajimu breaks free of her delusions when Medaka stops her and then points out that she finally did fail at something — suicide. And Medaka will just keep on stopping her in the future if she tries again.
- I Am Legion: She is in fact 700 million Not Equals.
- Incorruptible Pure Pureness: Kumagawa originally described her like this, but it turns out he was describing the attitude she merely pretended to possess.
- Immune to Fate: One of her skills [Sequenced Catastrophe] makes her this.
- Imperial Stormtrooper Marksmanship Academy: Can apparently force this on people who shoot at her with the skill [Amateur Amazing]
- Impossible Task: She keeps seeking out more and more difficult tasks to do, but regularly achieves the impossible regardless much to her frustration. She wants to lose.
- Improbable Aiming Skills: Has a whole category of skills dedicated to this.
- In-Series Nickname: She prefers to be called Anshin'In-san.
- Interrupted Suicide: After Zenkichi wins the Student Council President election Ajimu attempts to cancel out her immortality and commit suicide because she wanted Zenkichi and Medaka to show her that that she was living the real world and that some things really are impossible.
- Killing Intent: Another one of her skills, [Hitman's Identity]
- Kill Steal: One of her skill descriptions is "Steal Enemy Experience Points Skill". The skill is called [Archery Picking].
- Last Episode, New Character: Shows up in the last episode of Abnormal.
- Level Drain: The skill [Lost Password] can force this upon her enemies.
- Manipulative Bitch: People, society, culture, and ideology, are at best all cheap toys for her amusement, and just as expendable (at least initially).
- Medium Awareness: Ajimu speaks as if she is fully aware that she is a character in a manga. This attitude is actually the result of mental illness.
- Meta Girl: She constantly talks in terms of different genres of shounen manga.
- No-Holds-Barred Beatdown: When Kumagawa is trying regain his original Minus, she just stomps him into the pavement until he admits that he wants to win.
- No Kill Like Overkill: She gives the Jet Black Wedding Feast suitors a sampling of 600 themed super-powers — 100 for each suitor. Too bad they weren't the real suitors. Then she says it could have gone either way. Riiiiight.
- One of the fake suitors shows up again during the Unknown Shiranui arc, only to get bombarded with another 100 skills. She claims that he overwhelmed her into doing so.
- Not Quite Dead: Right before Zenkishi's fight with Iihiko, she appears to him, revealing that she did in fact not die. Medaka confirms it in the finale. Which makes sense, considering that her 700 million human component cells didn't die.
- The Omnipotent: Thanks to her "Master Infinity", "Become God", "Become The Devil", and "Countup" abilities, among others, including ones that let her turn into abstract concepts, she is basically omnipotent.
- OOC Is Serious Business: She always insist that people refer to her by her nickname, Anshin'in-san, but when she meets Iihiko she quickly adds that she doesn't really want him to call her that, just to show how seriously she takes Iihiko.
- Perpetual Smiler: She always has a smile of some sort on her face unless something particularly surprising happens like Zenkichi requesting the skill Devil Style or later when she sees Iihiko.
- Pet the Dog: When she hugs Kumagawa and admits she loves him in Chapter 168. That was Najimi at her sincerest and friendliest ever.
- Physical God: She might as well be a god. She's older than the universe, can't really be killed if she doesn't want to be, has thirteen quadrillion unique abilities and seems to know everything. She has been unable to find anything she cannot do apart from creating a perfect human and beating Iihiko. Medaka thinks Ajimu could beat her, but Ajimu disagrees. Of course, if there was any doubt remaining she always has her "Become God" skill [Spec Over]...
- Pinball Projectile: Can do this with the skill [Trampoline Bound].
- Quick Draw: One of her Gun Skills named [First Class Gunman].
- Rapunzel Hair: Her hair extend past her waist.
- Reality Warper: Through use of her quadrillions of skills she can do essentially anything she wants.
- Really 700 Years Old: She's far older than the universe itself. She looks like a teenaged human girl because that's how she feels like looking.
- "The Reason You Suck" Speech: Verbally rips Kumagawa a new one until she finally forces him to admit that he's not okay with always losing. He wants to win. He wants to beat the elite.
- Sacred First Kiss: Claims she gave her first kiss in order to Kumagawa to restore his Book Maker... but even if she's telling the truth she obviously didn't really care.
- Sealed Evil in a Can: The 'evil' part is somewhat questionable, but she was sealed by Kumagawa's Book Maker until the start of her arc, at which point the seal slowly begins fading. Upon being unsealed she just wanders around doing whatever.
- Shadow Archetype: She's a mirror to Medaka with all her overwhelming abilities. Her jaded nature towards success shows what Medaka could be like in the future if she continued to succeed. In fact, right before the timeskip, Medaka used a hundred skills against one of the proxy suitors, including Create A Universe, showing that she could have been on the path to turn into a Najimi, if she had not grown up from it.
- Smoke Out: One of her Ninja Skills: [Bad Ball]
- Super Strength: Carries a massive net straight up the side of the wall and drops it on the roof so that Medaka has a goal to protect.
- The Omnipotent: There are only two things that she has not been able to do: Beat Iihiko and create a perfect human. (She believed herself unable to beat Medaka, due to the latter being the main character, but Medaka herself believed the opposite, due to Najimi technically having far greater power.) Anything else is basically fair game.
- Time Abyss: She's 3,402,193,822,311 Years and 287 Days Old. Yes, that is thousands of times older than the universe. It was probably a very boring life.
- Too Good for This Sinful Earth: Initially presented as being a pure, gentle and perfect person in flashbacks, but then it turns out that at best she's sarcastic, indifferent and manipulative.
- Übermensch: Over the course of her life, she's decided that good and evil, happiness and sorrow and all sorts of other ideas have no real value.
- Uncanny Valley Girl: She looks perfect, sweet and kind and is a good actor, but in truth she just doesn't care about people at all.
- Victory Is Boring: She doesn't want to win. She always wins. If you always win is there any real meaning to what you're doing?
- Voluntary Shapeshifting: She predates the universe by trillions of years, so there's no way she's human. She also has a lot of shapeshifting skills, including ones for growing scales, massive claws, becoming a human and more.
- White Hair, Black Heart: As a villain, she has pure white hair and is obviously very mysterious. It's not even clear what she actually is.
- The Worf Effect: Iihiko oneshots her with a rubber band because she can't use skills on him.
- Zettai Ryouiki: Grade A
One of the "Delayed Two" along with Ajimu who always appears with his back to the "camera" displaying the unequal sign of his class. He is from the Shiranui clan and acts as her observer of sorts.
- All-Powerful Bystander: He's implied to be virtually omnipotent, but he never does anything. He doesn't even speak before the end of the first arc he appears in.
- Big Damn Heroes: Running over Iihiko and saving the lives of all of Medaka's crew.
- Bishounen: Unsuprisingly, he's very attractive when he finally turns around.
- The Faceless: Always shown from behind or covered up by something until the middle of the Unknown Shiranui Arc, taking Ajimu's place after Iihiko kills her.
- Idiot Hair: Like the rest of his clan.
- Meaningful Name: After confirming Ajimu's death, he says that he has "reversed" with her and asks the group to call him Hanten'in. This in kanji (反転院) is not only a pun off his original name and Ajimu's, but also off of "hanten" (反転), which alternately can mean "reverse."
- New Transfer Student: Transfers in with Ajimu, but doesn't really do anything for a good seventy five chapters or so.
- Older Than He Looks: Ajimu met him a hundred and fifty years before the present, but he looks no older than twenty.
- One-Man Army: He is supposedly so strong that it would take the entire Student Council, Class -13, and several Pluses to have a chance to defeat.
- Super Empowering: It's revealed in chapter 123 that he can make an unlimited number of skills and give them to other people.
Chairwoman of the Health Preservation Committee, she runs one of the challenges in Medaka's treasure hunt. Her healing ability, granted by Ajimu, is focused around the manipulation of diseases and is thus considered a Minus.
- Ain't Too Proud to Beg: Begs Kumagawa for mercy so she won't have to come to school in a Naked Apron.
- Alliterative Name: Aka Aoki.
- Bad Powers, Good People: Her ability is not quite healing, but rather manipulating illnesses. She's kind of sadistic, but works to keep the school healthy.
- Cool and Unusual Punishment: For her trial, she would infect a harmless but painful sickness for losing. Kumagawa topped her though, demanding she go to school in Hadaka Apron if she lost.
- Deadly Doctor: She seems to enjoy giving illnesses much more than curing them.
- Femme Fatalons Her ability manifests as giant spiky claws on the tips of her fingers. They look more like Wolverine Claws, but don't appear to be functional weapons.
- Four Is Death: The fourth challenger and a blurb has her killing Kumagawa and Takarabe.
- Healing Hands: She is the reason why no one in the academy is dead or even crippled. Remember that the Normal students can end with all their bones broken by Unzen Myouri for being a nuisance, let alone the Plus and Minus battles and you get how important (and powerful) she is.
- Morally Ambiguous Doctorate: She's the school doctor for all intents and purposes, but she likes to cause suffering more than cure it.
- Naked Apron: Kumagawa didn't get her to wear it in the story proper, but Volume 13's inside cover sure did.
- Oh Crap!: She makes a bet with Kumagawa that if she loses she'll have to come to school in a Naked Apron. She dominates the points after awhile, but then the score flip rule seems to be coming.There is 1/3 chance that tomorrow Aka will have to wear nothing but an apron.
- Punny Name: The three characters of her name mean 'Red', 'Blue/Green', and 'Yellow'.
Medaka's Successors are a group of five junior high girls, the only ones who survived Kumagawa's devastating elimination speech. They responded to Medaka in the hopes of taking the student council positions when they enter high school. Of course, it turns out that they're all Not Equals (meaning: people with loose grip on reality) planted by Ajimu, but it turns out that everyone knew all along.They have no special abilities.
A glasses-wearing girl with a Nice Hat. She talks in a very polite and respectful manner, and want to be like Medaka because of her selflessness. However, it's an act: her true personality can be quite nasty, and the cracks in the act occasionally show in the form of strikethrough text when she's angry enough.
- Blatant Lies: Says what she really thinks crossed-out, than the sugar-coated version.
What bullshit are you talking about, you scum?Yes! I accept your prompt advice with thanks!
- Cry Cute: She's normally pretty jerky, but she cries and hugs the rest of her friends after they help her out.
- Deliberately Cute Child: She acts polite and sweet, but Kumagawa instantly sees her for the jerk that she is.
- Group Hug: When the other group members stick up for her and prove the friendship of the group, a crying Takarabe hugs them all and gives a lot of tsundere lines.
- Heel–Face Turn: After interacting with Kumagawa and seeing his good side and that Medaka is a good person, she loosens up and begins really believing in what the Student Council is doing.
- Leaning on the Fourth Wall: Apparently she is aware of Kumagawa's bracket quotes.
- No Accounting for Taste: After Kumagawa one ups her after the group ambushes him, she begins developing a crush.
- Torture Technician: She considers herself the torture specialist of the group.
- Token Mini-Moe: She looks quite a bit younger than the other girls.
- Tsundere: Over time, her crossed out speech patterns become not just a sign of her being rude, but also where she addresses her hidden positive feelings, especially towards her friends and later Kumagawa.
Wanizuka Shori is a cold, eyepatch clad girl who values strength and has a grudge against Akune for apparently going soft and becoming more pragmatic due to Nekomi Nabeshima. She maintains her strict attitude in front of the group, but when no one is relying on her she becomes an emotional airhead.
- Badass Normal: As her appearance would suggest, she's the strongest in the group and capable of matching Akune in a fight.
- Broken Pedestal: She's interviewed by Akune, whom she used to idolize but now thinks that "Nekomi Nabeshima pulled [his] fangs [out]". Akune has to deal with this later in the arc.
- Determined Defeatist: Acknowledges that her chances of beating Akune in a fair fight are slim to nonexistent, but tries anyway. She loses the fight, but she forces him to commit a foul in the process. Not that it was a judo match, but still pretty good.
- Epic Fail: Just as everyone believes they've beaten the invincible Medaka at penalty shoot-out, she attempts a header into the soccer goal... and misses the ball completely. Well, that's what happens when you have no depth perception.
- Eyepatch of Power: Played with. She certainly looks tough with it and is probably the most effective fighter in the group, but her depth perception is shown to be awful.
- Eye Scream: It's implied that she destroyed one of her eyes in order to become a Normal. It's quite odd looking.
- Fangirl: Once Akune regains her approval she turns into a mushy fangirl when they're alone together.
- Heel–Face Turn: Upon seeing that Akune has only improved from the time she admired him, she drops her grudge.
- Good Old Fisticuffs: Rather than any fancy, clean martial art she's a practitioner of combat sambo, which has no honor and focuses on destroying your opponent. She's good enough to force Akune to break the rules of Judo.
- Long-Lost Relative: She's Munakata's younger sister.
- Oral Fixation: First walked on screen with a pistol in her mouth like most people would have a lollipop...What?
- When She Smiles: When she warms up to Akune again she gives a big, stupid and adorable smile. Akune's reaction is mostly comprised of resignation at the sudden lack of independence she's showing which helps him realize his own.
A short-haired, goggles-wearing Gamer Girl who describes herself as talented at everything, though she finds nearly everything in life boring as a result. Thus, she finds excitement in a challenge, and there's nothing more challenging than surpassing the perfect Medaka.
- Gamer Girl: She plays games all the time and does all sorts of challenges.
- Goggles Do Nothing: As of yet, we have no explanation for them and we'll probably never get one.
- Heel–Face Turn: She doesn't get any particular focus to show why, but when the rest of the group warms up to the Student Council she joins them.
- Repetitive Name: Kikitsu Kiki.
- Teen Genius: She's noted as being quite intelligent and capable, which has led to her getting bored.
A rather normal-looking girl, though with a rather masculine name. Her mind, on the other hand, isn't so normal, as she claims to be a Magical Girl called Tsugihagista SS Ruby-Sapphire the Fifth.
- Calling Your Attacks: When she uses a stun gun, she calls it "Thunder Bolt" and "Water Bolt" is her throwing acid on you.
- The Chosen One: She believes she is the Chosen Warrior of Heaven, sent to our world to stop the Great Demon King Wargold. She isn't really. Of course, then it turns out that WarGold is real when Medaka has to fight him.
- Cloud Cuckoo Lander: She's convinced herself that she's a magical girl and that everything fictional is real and part of her story.
- Daydream Believer: She's an in universe example: Her friends refuse to talk about manga with her because she'll decide that the manga is real, part of her magical girl persona and then finally co-opt the characters into being her friends.
- Gender-Blender Name: Yojirou is a bit masculine for such a girly-girl, but that's not what she meant when she asked Zenkichi to not call her that...
- Heel–Face Turn: She doesn't get any particular focus to show why, but when the rest of the group warms up to the Student Council she joins them.
- Imaginary Friend: Diana, the fairy that sits on her right shoulder.
- Magical Girl: She's a living parody of the idea since it's all in her imagination. She's just a delusional middle school girl.
An autonomous android with a French accent. She came to Hakoniwa Academy in order to learn of the heart.
- Catch Phrase: "Mechanically speaking..."
- Cooking Duel: Not having to eat and not knowing how to cook are separate things.
- Cutting the Knot: Initially averted. Medaka challenges the group with a ridiculously difficult game that Suishou could hack in an instant, but chooses not to in order not to stand out too much. Medaka tells her that she expects her successors to use every ounce of their ability and she proceeds to break the unwinnable game and make it fair.
- Deaf Composer: She has no sense of taste, but is an amazing cook nonetheless.
- Everything's Sexier in French: Apparently has a French accent and answers using "oui" and "non" instead of "hai" and "iie".
- Heel–Face Turn: Her attitude towards the Student Council turns around first when she cooks with Kikaijima and later during the gaming event Medaka sets up.
- Innocent Fanservice Girl: The only girl that doesn't scream in embarrassment when Zenkichi walks in on them undressing. Possibly justified in that modesty wasn't part of her programming.
- In-Series Nickname: Takarabe refers to Kibougaoka as "Non-chan", likely due to her Gratuitous French.
- Lethal Chef: Subverted. She makes the claim that she's not very good at cooking, but it turns out that just because she can't taste food doesn't mean she can't cook it.
- Read the Freaking Manual: Tells Medaka to do this, but much more politely, obviously.Kibougaoka: Please read the attached manual carefully later.
- Robot Girl: She is a prototype of an autonomous humanoid android called "Loup" .
- Supreme Chef: Despite not needing to eat, she can cook an absolutely grand feast.
- Three-Laws Compliant: Invoked and averted after revealing she lied about not knowing how to cook: "In the robot world we've disposed of those slavery laws long ago."
- Tin Man: Claims to have come to Hakoniwa Academy to study the human heart. She also acknowledges that while she's an exceptional cook she can't sense if the food she makes is "delicious". Apart from her robotic speech that may be no more than an affectation you'd have no way of knowing. Medaka's later comments indicate this was rather intentional: Just because she understands the human heart perfectly well doesn't mean she realizes it.
- Wingding Eyes: Has cross-shaped "highlights" in her eyes.
Jet Black Wedding Feast
One of Medaka's suitors during the Jet Black Wedding Feast. A powerful swordswoman with high pain tolerance. Her Style is not initially clear, but turns out to be Contradictory Conjunction.
- Alliterative Name: Namanie Nienami.
- Bandage Babe: She's constantly covered in bandages due to sticking swords through her body for whatever reason.
- Comical Overreacting: She often acts incredibly surprised with things she should already know.
- The Comically Serious: A lot of her gags comes from her reacting seriously to the current situation, but those proper responses clashes with her normal Cloudcuckoolander tendencies.Kamome: You're right, but... even when you say something normal, I can't help but hear it as something stupid.
- Cloudcuckoolander: She is not exactly all there. In fact, post-Heel–Face Turn, she only gets stranger, striking random poses and speaking with her emotionless face the whole time. She knows it too, which makes her recognize that she's too unreliable.
- Cry Cute: After her battle with Zenkichi.
- Dual Wielding: Goes way further than that. She wields seven swords at once. How? By impaling three swords into each arm while wielding another one.
- Feels No Pain: Has a high enough pain tolerance to withstand an attack from the strongest member of the 100th Student Council and shove swords into her arms without flinching. She's resistant to sharp pain but hypersensitive to dull pain. Considering that biting down on her neck really hard still hurts. note
- Heel–Face Turn: She just joins the good guys at the end of the arc with no real reason. Fukurou pretends that she's The Mole for a second, but they both know she's not.
- The Mole: Subverted. Fukurou says she's this but then says it was a lie and she's generally confused by his comment as well.
- Nominal Hero: Nobody knows why she sticks with the good guys after her defeat. Not even her. Near the climax, she points out that she's a "half-baked person" who generally has no reasoning for whatever she does beyond "It Seemed Like a Good Idea at the Time".
- Razor Wind: She introduces herself by slicing a helicopter in half with one swing of her sword. She immediately tops herself by slicing an aircraft carrier in half.
- Willfully Weak: Her Style is actually the most powerful one. According to the Styles' creator Professor Fukurou, she could have performed much better in the Jet Black Wedding Feast if she had used its full potential. She claims she didn't because she didn't want to rely on the Style so much.
- Winds of Destiny, Change: Her Style. By using the word "therefore", she can materialize the lowest possible outcome of a given situation, effectively manipulating probability.
One of Medaka's suitors during the Jet Black Wedding Feast. Fights on all fours with a scythe in her mouth. She has the Kanji User style.
- Running on All Fours: Spends the whole fight on hands and knees which she actually needs to do for her Kanji style to work.
- Sinister Scythe: Carries a scythe in her teeth for some reason.
- Words Can Break My Bones: As a "Kanji User", she can warp reality by manipulating objects based on their Kanji representations.
One of Medaka's suitors during the Jet Black Wedding Feast. A skilled fighter even without using her Style, Misconversion.
- Bare Your Midriff: Her midriff is left bear because she's dressed something like a mechanic.
- Cute Little Fangs: She has a really tiny fang that's actually sort of difficult to see.
- Improbable Weapon User: Screwdrivers, in the exact same way Kumagawa uses his screws.
- Impaled with Extreme Prejudice: Right after Emukae's confession she was instantly impaled by Kumagawa's Book Maker which effectively will seal her ability for at least thirty years.
- Nice Hat: Wears a wide billed hat.
- Pointless Bandaid: Has a tiny bandaid on her nose for some reaosn.
- This Is Reality: Tells Emukae that her Heroic Sacrifice would have worked if this was a manga.
- Words Can Break My Bones: Similar to Kanaino except her version breaks the kanji into nonsense phrases a la "Blind Idiot" Translation.
- Wrench Wench: To Naze's horror, she disassembles their ride the moment the group turns their back.
One of Medaka's suitors during the Jet Black Wedding Feast. A voluptuous blonde in a rather revealing outfit.
- Bare Your Midriff: She leaves her midriff bare both during the Jet Black Wedding Feast and after, when she adds a nurse cap.
- Combat Pragmatist: She used Medaka's friends aged back to babies as human shields to stop Medaka's counter attack. Medaka calls her out on it but she feels no shame over the act.
- Crouching Moron, Hidden Badass: Not only is her style one of the most powerful, she can prove herself to be far more intelligent than she seems.
- Fountain of Youth: Her Style. She can manipulate the people's age by using Nursery Rhymes.
- Speech Impediment: Seems to have issues pronouncing certain words.
- Would Hurt a Child: She doesn't seem to have any issues with killing Medaka's group turned into babies, even mentioning how easy babies are to kill.
One of Medaka's suitors during the Jet Black Wedding Feast. She projects the image of a princess.
- Conservation of Ninjutsu: She's a good hand to hand fighter, but after making hundreds of thousands of copies Medaka beats them all.
- Doppelgänger Attack: Creates 640 thousand copies of herself to fight Medaka.
- Offscreen Moment of Awesome: Medaka takes her and her many copies out completely off panel.
- Rapunzel Hair: Her hair extends to at least her waist.
- Self-Duplication: Her Style allows her to create hundreds of copies of herself. Each copy can also create an equal number of copies, but apparently that's the limit.
- Voluntary Shapeshifting: She can copy another person's appearance and ability.
One of Medaka's suitors during the Jet Black Wedding Feast, and their de-facto leader, despite having the body of a kindergartner.
- Arc Villain: She leads the suitors during the Jet Black Wedding Feast.
- Alliterative Name: Both first and last name begin with 'Momo.'
- Bizarre Taste in Food: So far, the only thing she's ever seen eating is metal.
- Lured into a Trap: Medaka defeats her not by actually winning the game of shiritori, but by forcing her to use every character except 'ko' 'u' 'za' and 'n.' If Medaka had won without the trick, she'd have just reneged on the deal, but the trick proves Medaka really is much better than her.
- Nice Hat: A hard hat, surprisingly.
- Repetitive Name: Momozono Momo.
- Rule of Symbolism: Since her defining trait is putting lables on people, she can seal them into playing cards. And since she is emotionally retarded, she looks like a kindergartener.
- Smug Snake: She gave it a good try, but Medaka outsmarted her in the end.
- Team Killer: She non lethally betrayed her friends in a word game against Medaka in an attempt to win.
Shiranui is a young looking girl that is Zenkichi's best friend. She enjoys causing troubles and watching the action from afar rather than actively participating, though she can usually be counted on to help Zenkichi despite her dislike of Medaka. Her grandfather runs the school and the Flask Plan, giving her a great deal of information into how the school is running. Due to being so whimsical, it is never truly clear what she will do in any situation. She is the focus of the Unknown Shiranui Arc.She is almost always seen eating and possesses the ability known as Real Eater, which deals with manipulation of abilities.
- A-Cup Angst: After Unzen calls her "air boobs" she gets offended.
- Ahoge: It seems to be a family trait. As for Shiranui, she's not stupid, but she acts like a ditz fairly frequently.
- Becoming the Mask: While she was only Zenkichi's friend as part of her act, she splashes water into the face of an underling who mocks him and admits that she's having trouble letting go of those feelings entirely.
- Big Eater: Nearly always seen stuffing her face. She even has an ability based on it, Real Eater, which can manipulate the abilities of others. Her big eater attitude was part of her act as Medaka's double. After Medaka regains her appetite for meat she no longer has to be a big eater. She can't even finish a normal sized bento.
- Blush Sticker: She has a perpetual teasing grin and two little pink ovals on her cheeks.
- Bird Run: Does a bird skip in episode 2.
- The Chessmaster: She's often subtly manipulating events to support the student council from behind the scenes.
- Improbable Weapon User: Uses a variety of kitchen utensils in combat.
- Jerkass Façade: She pretends to be meaner than she really is. And after admitting to that facade she tries to do it again later during her signature arc.
- Manipulative Bitch: She rather seems to enjoy prodding events in the direction that would most amuse her.
- Older Than She Looks: She's fifteen, but looks at least five years younger. After a ten year timeskip, she looks exactly the same. She claims that it's a side effect of temporarily being Iihiko's host.
- Platonic Life Partners: Despite the vitriolic nature of their relationship, Zenkichi and Shiranui are nearly inseparable best friends
- Roaring Rampage of Revenge: Yes. When Kumagawa used his All Fiction to Unperson Zenkichi, Shiranui lost it and immediately attacked Kumagawa even though she has never engaged in physical combat up to that point. Her Unstoppable Rage unfortunately was ultimately stoppable.
- Shadow Archetype: To Zenkichi; both have dedicated their lives to helping Medaka, Zenkichi because of love, Shiranui due to her duty as Medaka's double. Shiranui helps Medaka through her perceived opposition, and it's even remarked that she's better at helping Medaka than Zenkichi.
- Signature Laugh: "Ahya hya hya hya ✰"
- Sitcom Arch-Nemesis: In contrast to characters like Kumagawa or Ajimu, Shiranui is usually not a threatening antagonist. Regardless, she and Medaka have a mutual dislike for each other. She's at odds with Medaka on purpose as part of her job.
- Token Mini-Moe: Among the main cast, most of the people look their ages. Shiranui looks to be ten at most.
- Undying Loyalty: To Zenkichi. He's the only person that any effect on her, and every decision she makes, however ambiguous and obtuse, helps him in some way. In a weird way she had this for Medaka.
- Wild Card: Spontaneously decides to join Class -13 as a Secret Test of Character for Zenkichi. It's never really clear what she'll do, but Zenkichi has faith in her anyway.
- You Gotta Have Blue Hair: She has light blue hair.
Iihiko is a former hero of the world and a "Main Character" like Medaka. He resides in the Shiranui village. He is extremely dangerous if anyone gets in his way, but since all he wants is to continue living he's rarely a threat to others. He is immune to skills, is very fast and powerful and inflicts wounds that will not heal.
- Ambiguously Human: While Iihiko certainly started out as a human, he looks quite demonic now.
- Attack Reflector: If an attack is strong enough for him to recognize it as such and he defends against it, the following defense will be so great that the attacker will receive damage accordingly.
- Big Damn Villain: He bursts through a wall to retrieve Shiranui and rips Fukurou in half without ever noticing the guy.
- Catch Phrase: Fresh!
- Cherry Tapping: He likes to use mundane, inoffensive objects like a rubber band or a pair of glasses as lethal weapons.
- Combat Pragmatist: He acts like an honorable hero and fights directly, but should he perceive a genuine threat incoming he'll quickly break his word or use his host's body as a hostage, though this one gets him killed by Shiranui.
- Curbstomp Battle: He is far more powerful than anyone he faces off against due to their abilities not working on him. Ajimu notes that she fought him countless times and never won. Not once. He 'kills' her with a rubber band.
- Cute Little Fangs: Gains them when possessing Shiranui.
- Deader Than Dead: Whatever damage he inflicts including lethal injuries will never heal. Someone that is killed by him cannot be revived even by All Fiction. All his abilities work on himself, meaning Shiranui uses this to kill him, after which he stays dead and then his power fades, allowing everyone to be revived while he remains Killed Off for Real.
- Deliberate Values Dissonance: He doesn't really get modern ethics. Doesn't really care either. After beating Medaka to a pulp he grants her the honor of his respect and regard and is utterly baffled when she won't accept an honorable defeat.
- Before this, when he actually managed to kill her, he praises her for putting up a good fight and regards Zenkichi's distress over her corpse as insulting.
- Demonic Possession: His ultimate goal in the story is to do this to Shiranui. He succeeds, but she eventually regains control long enough to make him kill himself.
- The Dreaded: Iihiko terrifies people who know about him. Even Ajimu.
- Fairplay Villain: Subverted:Initially he agrees to Medaka's somewhat ridiculous bet and promises to stand still, but when he sees that he's in actual danger from her second attack he immediately dodges it.
- Fallen Hero: He's a legendary hero, but his country is long gone so he has nothing left anymore. Thus, his heroism faded with time and all he has is a desire to keep on living.
- Flaming Hair
- Graceful Loser: His "echo" congratulates Medaka and her friends on their victory and comforts her as she gets ready to follow a course of action that will likely lead to her death.
- Grand Theft Me: An interesting case. Iihiko is actually a heroic identity from over 5000 years ago that is transferred to a new person each generation. After Medaka defeated him he just jumped over to his next host, Shiranui.
- Hero Killer: He terrifies even Ajimu Najimi, who should be by all rights absolutely indestructible. After the likes of Kumagawa, the story ups the threat he poses by making it so the damages he inflicts can't be repaired. He even manages to (temporarily) kill the titular heroine.
- Horned Humanoid: Despite being human, he has a pair of massive horns.
- Immortals Fear Death: He screams in panic and begs for his life when Shiranui regains enough control over her body to use his own unstoppable attack against him.
- Invincible Villain: The only power that could destroy him for good was his own.
- Lightning Bruiser: He's extremely fast and powerful as well as nearly impossible to damage.
- No Sell: He completely ignores all ability based attacks done to him except Styles.
- Pointed Ears: Despite being human, he has very long pointed ears.
- Run or Die: When The Cavalry showed up, it was only to grab what was left of the heroes, and run the hell away before they all get Killed Off for Real.
- Signature Laugh: "Geh Geh Geh Geh!" Which is the first sign that he's jumped into Shiranui.
- Third-Person Person: Fresh! This Iihiko is amused by the lack of pronouns!
- Villain Decay: His remaining "echo", after being punched out of Shiranui, with his horns broken, was not nearly as formidable, to the point that Medaka could defeat him.
- Villainous Breakdown: When Medaka continues to get up and fight despite all her injuries, and just as Shiranui makes him kill himself.
- Wound That Will Not Heal: What Iihiko destroys cannot be healed or repaired. In case it's not obvious, what he kills also stays dead, because the concept of 'being alive' can't be made to re-inhibit the deceased. Medaka has to redefine for herself what it means with 'being alive', in order to come Back from the Dead. Backfires on Iihiko when Shiranui regains control of her body long enough to hit herself. After that, his ability fades and Medaka heals everyone.