Other classmates of Tomoko.
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Akane Okada
Voiced by: Ayaka Asai (Japanese), Ashley Miller (English)
A popular girl in Tomoko's class who is friends with Hina.
- A Day In The Lime Light: She gets a very short 5 page one in Chapter 118, where she grudgingly saves Tomoko from Yoshida but gives her back once she learns why she Yoshida was angry at her in the first place.
- Ascended Extra: She's been part of the series since the earliest chapters but spent most of it as a background character with the odd speaking line. After the trip at the start of the third year, she's become part of Tomoko's circle of friends and acquaintances and thus part of the main cast.
- Break the Cutie: A rare instance where this trope is Played for Laughs. Tomoko systematically breaks the poor girl down when she explains all the reasons why her friend, Hina, likely didn't tell her about her dream to be a voice actress. First, Tomoko tells Akane that voice actors typically do voices for eroge games. She follows up by informing Akane that even the entire cast of Crayon Shin-chan has landed some dirty roles in the past. Then, just to remove all doubt as to what these roles really entail, Tomoko shows the girl a scene featuring some very explicit sex acts between a brother and a sister. Akane looks downright traumatized.
- This happens to her again in chapter 139, after Hina convinces her to visit a shop selling sex toys, and also later in that chapter when Hina buys a H-Game in spite of Akane's protest.
- Brutal Honesty: Does not mince words at all, most notably asking Minami why she was hanging around with her and Asuka considering neither of them invited her, which was enough to send Minami running off upset, and telling Masaki that it wasn't right of her to start a fight with her friends just because they insulted Disneyland mascots.
- Bully Hunter: Despite her usual indifference to Tomoko, she immediately steps in to defend her from (what appears to be) Yoshida bullying her.
- Butt-Monkey: She's a so-called normie surrounded by otaku, outcasts and other weirdos and has no real knowledge of broader otaku culture with usually traumatic results when she learns about it. Not helped by having a best friend now obsessed with giving her a crash course just to see the results.
- Forehead of Doom: She has a pretty sizable dome, which her choice of hairstyle further emphasizes. Tomoko even refers to her as "Forehead Girl."
- Hidden Depths: There's a strong implication that she isn't completely happy with school when Tomoko questioned why she would really want a break considering she seemed the type to like going to school. It's suggested it has to do with the stress of keeping her social bonds, considering the only person she seems to really show a deeper side of herself is Nemo and Kiyota.
- The Ingenue: She's a sweet girl and is incredibly naive when it comes to matters of sex and lewdness. When Wada makes a self-deprecating joke about being gay it takes Akane a long time to actually figure out what he was talking about and this naivete is something that Nemo's preyed on for her own amusement at times.
- Innocently Insensitive: She means well and is one of the nicer characters in the series but because she's just a normal girl she doesn't quite "get" the more introverted outcasts like Tomoko and Yuri she can some times make situations worse for them without meaning to. This is especially highlighted in chapter 165 when she's genuinely happy to see Yuri being more social but doesn't see that pointing it out only causes her to start withdrawing again.
- In-Series Nickname: Hina calls her "A-chan". Tomoko comes up with a nickname "Forehead girl" for her, but she only uses it in her inner monologues.
- Knight in Sour Armor: A very soft version. She doesn't tolerate bullying and if she sees someone doing it or badmouthing others she's quick to call them out. At the same time if she feels that the "victim" brought it on themselves she's far more willing to hang back unless things get out of control.
- Lovable Alpha Bitch: To a degree. She has a large social circle and appears to be quite popular, but also always acts pleasantly towards Tomoko whenever they interact. Despite this, she is generally shown to be disinterested in or even put off by Tomoko, showing that, while friendly, she still isn't exactly clamoring to spend time with unpopular kids. This changes as the third year go on and after Tomoko's suspension it's clear that she sees the other girls in the group, Tomoko included, as her friends.
- Named After Somebody Famous: Shares the surname of Yoshifumi Okada
. - Ordinary High-School Student: Seemingly an entirely ordinary teenager with a fulfilling school life. Tomoko at one point even refers to her as a "normie".
- Only Sane Man: By virtue of being the biggest "normie" of the group of people that hangs around Tomoko she's by far the most grounded one of all.
- As of chapter 220 she's also the only person that Tomoki doesn't consider to be a lunatic like the rest of Tomoko's friends.
- Platonic Life-Partners: Kiyota appears to be her best friend, but their relationship seems to be completely platonic, with Okada even teasing Kiyota about his love life.
- Satellite Character: Exists mostly to serve as a "popular kid" for Tomoko to grumble at. This is highlighted multiple times to be entirely the result of Tomoko's Protagonist-Centered Morality preventing her from seeing her as anything more. Even as she's gotten more focus, her character is still largely defined as "Hina's normie friend".
- Those Two Guys: Used to have this dynamic going with Kiyota, as they would often appear together as close, platonic confidantes. However, this stopped being the case toward the end of the second year, as Akane's character was expanded upon while Kiyota was shoved even deeper into the background.
- What the Hell, Hero?: She doesn't hesitate to call Yuri out for just standing back and passively watching what appears to be a bullying incident. Of course, this is before she learns what was really going on.
Yoshinori Kiyota
Voiced by: Kengo Takanashi (Japanese), Blake Shepard (English)
A popular boy in Tomoko's class who is friends with Hina.
- Adaptation Dye-Job: Has brown hair in the anime, while the cover of volume 11 of the manga (published after the anime concluded) shows him with blond hair.
- Butt-Monkey: Seems to be something of this within his friend group, as he regularly gets teased for his romantic failings. It's all shown to be good-natured ribbing, though, and he frequently instigates it by making self-deprecating jokes about himself.
- Innocently Insensitive: Generally appears to be well-intentioned in his interactions with Tomoko, but only ever ends up making her more self-conscious when doing so. Even when he isn't interacting with Tomoko, he still manages to make her feel bad about herself by bringing up his fulfilling teenage life when around her.
- Named After Somebody Famous: Shares the surname of Ikuhiro Kiyota.
- The One Guy: While the popular clique does include multiple guys, they are reserved entirely for group shots. Outside of these instances, Kiyota is the only popular male student we ever see, making all of his close friendships seemingly be with girls.
- Ordinary High-School Student: Seemingly an entirely ordinary teenager with a fulfilling school life. Tomoko at one point even refers to him as a "normie".
- Out of Focus: A bizarre case of this happening to someone who was already a Satellite Character, to begin with. As both Hina and Okada have gotten more screen time and characterization, he has begun appearing less and less.
- Platonic Life-Partners: Okada appears to be his best friend, but their relationship seems to be completely platonic, with Okada even teasing Kiyota about his love life.
- Satellite Character: Exists mostly to serve as a "popular kid" for Tomoko to grumble at. Becomes even more notable later on, as while Hina has evolved into a major supporting character and Okada has received two focus chapters of her own, he has yet to do anything of particular note.
- Those Two Guys: Almost always appears with Okada in the early chapters. As Okada has become an Ascended Extra, however, she has appeared without him several times. He ends up substituting her with Wada.
- Wholesome Crossdresser: He can be seen dressed as a maid during the first year cultural festival, and if his cheerful expression is anything to go by, he has no problems with it at all.
Mako Tanaka
- Ambiguously Gay: Despite Tomoko reading her wrong, there are some hints she might not actually be completely off the mark concerning her sexuality. Mako has shown a growing interest in Masaki, and really doesn't like the idea of her dating boys or kissing (other) girls. She also has a bigger problem with the former than she does the latter.
- The Atoner: She and Yuri implicitly got into a fight that resulted in the latter not being grouped up with her. While they have made up since then, Mako still feels guilty about it. She similarly feels guilty when she doesn't have lunch with Tomoko and decides to befriend her to make up for it.
- Berserk Button: Masaki not taking her future seriously has become a point of aggravation for her. Whenever Mako suspects the delinquent is wasting her time on something frivolous, she tends to act like a naggy mother towards her, and even joins Sachi in badmouthing Masaki when they see the girl talking with Tomoki.
- Chronic Hero Syndrome: Every time she sees someone who looks upset (e.g. Tomoko in chapter 99, Yuri at the end of chapter 120, Minami in chapter 129), she tries to help or at least comfort them.
- Cloudcuckoolander's Minder: In Chapter 124, she serves as this trope to Yuri, who out of jealousy inserted herself into Tomoko's meetup with Yuu and Kotomi and made the conversation all about field trip inside stories she shared with Tomoko. Mako had to pull her away from the table and call her out on her behavior before she realized how immaturely she was acting
- Covert Pervert: She's one of only four students in the school to get a perfect score on the health and phys ed exam along with Asuka, Komiyama, and Hatsushiba. It's a test with mostly sex-related questions and Mako's embarrassed reaction seems to mean she knows what this implies.
- Dull Eyes of Unhappiness: During Chapter 208, when Tomoko wonders if adding yuri content to their school film could make them stand out (especially implying that Yuri could do some yuri with Masaki), Mako glares at Tomoko with a blank stare that absolutely terrifies her.
- Horrible Judge of Character: She's convinced that Tomoko is a selfless, kind, and misunderstood soul. If only she knew what dark thoughts lurk in that girl's head.
- Innocent Beta Bitch: She's not a full member of their group, but Mako is a good friend of Koharu and can get along just fine with Sachi, even if she doesn't like their gossip-mongering.
- Mistaken for Gay: Her often behavior around Tomoko, particularly one incident where she drags Tomoko into a bathroom stall, has convinced the Tomoko that she's a lesbian. That being said, Mako's fixation on Masaki implies it might not entirely be a mistake.
- Morality Pet: Could be considered this for Minami. The fact that they're friends would imply the fanged girl has some redeeming qualities, and Mako for her part wants to steer Minami into being a better person.
- Nice Girl: Aside from a fight she got into with Yuri (which is implied to be pretty one-sided), she's impeccably sweet.
- No Sense of Personal Space: The incident in chapter 99 that makes Tomoko think that Mako might be a lesbian involves Mako following Tomoko into a bathroom stall, covering Tomoko's ears so she won't hear her classmates badmouthing her, then holding Tomoko's hands and asking Tomoko to be her friend (with her face very close to Tomoko's) - while they're still in the stall.
- Not So Above It All: She claims she doesn't care for Sachi and Koharu's badmouthing and gossip-mongering, but Mako ends up engaging in it with them when she catches Masaki chatting with Tomoki due to her strong disapproval of the former's attraction to the latter. Mako is also shown to have a manipulative side very similar to Sachi's, which she displays when she goes to the spa for the express purpose of keeping Masaki separated from Tomoki, and makes a point to ensure Yuri stays asleep when she starts stirring from her nap simply so that Mako won't feel any need to attend to her. Similarly, her fixation on Masaki which often manifests in jealousy whenever she starts associating with other people, is very similar to Yuri's own fixation on Tomoko, which Mako previously reprimanded her for. This fixation on Masaki also gives her Manipulative Bastard tendencies, trying to push Sachi towards Tomoki just so she can keep Masaki pure and have her all to herself. Sachi tried to bail herself out of being manipulated by Mako noticing this, but failed to do so.
- Odd Friendship: She seems to have become good friends with Yoshida during the Disneyland field trip, to the point where she's helping her with her future career choices and texting her during Yoshida's suspension. She actually gets upset that Masaki isn't putting as much thought into her future as Mako thinks she should be doing.
- Out of Focus: Mako had a major role early on by being one of Tomoko's first friends and pretty much Yuri's Only Friend for a while but she quickly got demoted to being little more that a Satellite Character to Yuri and Minami and after Chapter 99 she never gets any A Day in the Limelight chapters and mostly reserves to be the third or fourth girl when Tomoko, Yuri and Yoshida are around.
- Once Done, Never Forgotten: Downplayed in that she never talks about it, but a lot of omakes imply that Yuri has never fully gotten over Mako abandoning her during the school trip to Kyoto and still regards that incident as a betrayal.
- Only Friend: For Yuri before Tomoko and Yoshida enter the scene. She's also suggested to be the only person who seems to genuinely care about Minami at all.
- O.O.C. Is Serious Business: She's normally the picture person of niceness. However, Mako gets frustrated trying to figure out a seating arrangement that will group her up with Koharu, Yuri, Masaki, and Tomoko while keeping the former two as far apart as possible and snaps, getting a stunned reaction out of everyone present.
- Shipper with an Agenda: She's been attempting to cut short Masaki's attraction to Tomiki by trying to pair him with Sachi. Most blatantly in Chapter 214 after learning that Tomoki and Yoshida are among those present at the bathhouse together, she contacts Sachinote and mentions Tomoki's presence there to convince her to come. Upon seeing Masaki lying next to Tomoki when everyone is lying down, she convinces Sachi to lie down on his opposite side. Mako at a later time tells Sachi that she'll be cheering on both her and Masaki in their feelings for Tomoki, but Sachi (an experienced Manipulative Bitch) quickly suspects that Mako actually wants to keep Masaki from getting a boyfriend, and more or less confirms it by baiting her with the idea that Masaki might fit Tomoki better.
- Team Mom: Unwittingly finds herself in this role with most of the people she socializes with. She befriends Tomoko purely out of concern for her, finds herself often lecturing other girls whenever they say or do things she doesn't approve of, and ends up being the go-to source of information on unfamiliar sexual topics for Yuri and Masaki. Yuri even says that she wouldn't ever want to kiss Mako because it would be like kissing her mother, resulting in Mako fuming that it's Yuri's fault she acts like such a mom.
- Took a Level in Jerkass: While she started off as a Nice Girl just trying to make time for several incompatible friend groups, Mako grew increasingly more manipulative and less honest in the latter half of her third year as she grew more attached to Masaki.
- What the Hell, Hero?: In Chapter 124, after noting how Yuri inserted herself into Tomoko's meetup with Yuu and took over the conversation out of jealousy for the closeness the two displayed to one another, Mako takes her friend aside and lambasts her for her behavior, going so far as to say she's acting no different from Minami, whom Yuri really doesn't like.
Koharu Minami
A popular girl in Tomoko's class. Minami is the reason for Yuri's and Mako's falling out before and during the school trip, as she invited Mako to join her group for the trip, which meant that Yuri and Mako could not be in the same group. She takes an interest in Mako in general and wants her to join her group of friends. On the other hand, she does not get along with Yuri, and neither of them tries to befriend the other.
- A Day in the Limelight: She gets her own story arc starting in chapter 187 detailing her own loneliness since starting third year, a burgeoning friendship with Futaki and her increasing alienation from her old friends.
- Alone in a Crowd: While she has a very large social circle, she's suggested to not be particularly close to any of them, with Akane outright disliking her. This seems to explain her fixation on her friendship with Mako, who, while being of only middling popularity, is the only person who seems to genuinely like her.
- Beta Bitch: She tended to hover around Sachi and her group, and together they enjoyed looking pretty, laughing at other people's misfortunes, and badmouthing them behind their backs. However, when Koharu gets separated from the rest of her gang, she has trouble finding anyone else who's willing to tolerate her presence for long, finds she isn't immune to her own clique's mocking, and is forced to confront the fact that she's not a very good person.
- Big Eater: Recently, for the Culture Festival, whenever Koharu is seen, she's seen eating something, and despite how much she's eaten, she can pack it all away with ease. It doesn't help her case whenever Sachi calls her fat, with the latter wondering if she's actually going to consume so much on just the first day of the Festival, and even believes that people get friendlier with each other over food, leading Anna and Reina to wonder if she's got a grade schooler's mentality.
- Break the Haughty: Her experiences as a third year student whose bad attitude prevents her from bonding with anyone cause Koharu to realize just how low on the social totem pole she really is.
- Butt-Monkey: Her luck takes a turn for the worse when she enters her third year. Minami gets separated from her friends, repeatedly fails to connect with anyone, and even suffers some hilarious mishaps that are not so dissimilar from what Tomoko put up with.
- Character Development: After being forced to eat the Humble Pie all throughout her third year of high school, forming a bond with Futaki, and having a falling out with her friends, Koharu realizes that being a self-centered, gossip-mongering Alpha Bitch isn't all it's cracked up to be, and starts making an effort to be a better individual.
- Cute Little Fangs: Has an enlarged left fang, which is visible when she's talking. Tomoko making a quip about it in chapter 117 almost made Yuri burst out laughing for the first time. Tomoko also mentally refers to Koharu as 'Kibako' because of her fang.
- Digging Yourself Deeper: In chapter 128, during the trip to Disneyland. When she notices that Akane and Asuka aren't thrilled by her badmouthing of Tomoko, she starts badmouthing Hina instead. At this point Akane essentially tells her to get lost.
- Don't You Dare Pity Me!: She's way too prideful to accept the charity or sympathy of others. She even turns down her own friends' invitation to join their group at Disneyland after things with her previous group failed to work out.
- Fatal Flaw: Her inability to read the room always gets her into trouble. Whenever she hears people complaining about or poking fun at others, Koharu always takes it as an invitation to bad-talk them for fun, never realizing that their comments are linked to more emotionally complex issues and her mean-spirited gossip is not the thing they want to hear.
- The Friend Nobody Likes: In the third year due to being separated from her normal group of friends and more or less alienating herself from everyone in 3-5. Even her own friend Sachi admits that she's a jerk and it's because of her personality and lack of humility that nobody likes her.
- Gossipy Hens: Minami's favorite activity seems to be to bad-talk people behind their backs, and it's often her go-to tactic when it comes to trying to make new friends. Unfortunately for her, it doesn't work on anyone outside her usual clique. Even her own friends, in turn, talk about her behind her back seemingly out of a sense that she's getting what she deserves.
- Hate Sink: In contrast to the other popular kids, who are all generally shown to be reasonably nice, she more or less serves as the designated villain every time she appears, and is largely portrayed as being unsympathetic. However, this gets subverted over time; her antics start looking more pitiful than anything, and she eventually admits that neither she nor her friends are good people.
- Heel Realization: The entire point of her story arc is her coming to realize that she's been a pretty awful person.
- Hidden Depths: She's actually suggested to be quite lonely, explaining why she's so fixated on her friendship with Mako, who is shown to genuinely care about her, unlike nearly all of her other friends.
- Hypocrite: Whenever a conversation or social situation she's involved with doesn't go the way she likes, Minami has a tendency to accuse everyone else of failing to read the room. However, it's always Minami who fails to read the room and properly gauge what's bothering the people she's with, which is why things turn sour for her.
- Jerkass: An overall unpleasant bully.
- Laser-Guided Karma: After splitting Yuri up from her Only Friend and leaving her isolated for the field trip, Minami finds herself separated from her own friends in her third year of high school.
- Named After Somebody Famous: Shares the surname of Masaki Minami.
- Never Bareheaded: She's always got a pair of matching ornaments in her hair. They're usually triangular in shape, but she occasionally mixes things up.
- Oblivious to His Own Description: She's particularly derisive of Tomoko, saying that "she acts all high and mighty even though she's a loser loner." A description that honestly applies more to Minami than Tomoko, especially since the latter has no shortage of people to hang out with now while the former struggles to fit in with anyone outside her clique. She even has the gall to mock Tomoko for rolling up her skirt, even though Minami wears hers even shorter.
- Odd Friendship: Goes out of her way to start one with Futaki just to have someone else to eat lunch with which leads to her Heel Realization.
- Only Friend: She was pretty much the only person in their clique that Sachi actually liked. Once Sachi completely sabotages things with the other girls, Koharu becomes her only friend for real.
- The Scapegoat: Unknowingly set up to be one. After Sachi realizes that Tomoki and Tomoko are siblings, she wonders if she ever bullied the latter and decides that in case she did, she would blame it all on Koharu so she can continue having a good relationship on Tomoki.
- Smug Smiler: It's pretty much her default expression.
- Trauma Button: Akane's very presence after being told off by her during the field trip. The mere act of Akane sitting next to her is enough to make her move somewhere else while looking very uncomfortable.
- Unknown Rival: Tomoko seems to be a favorite target for Minami, who views her as a never-ending source of juicy gossip. However, Tomoko seldom ever hears what Minami has to say about her, and as such doesn't even have the fanged girl on her radar. It's implied that Koharu is actually secretly envious of her.
- Villain of Another Story: For a given value of "villain," but she has this vibe. There's some animosity between her and Yuri that's strongly implied, but not outright shown. However, while Minami doesn't have a good opinion of Tomoko, and Tomoko doesn't think much of her either, the two rarely cross paths and their insults toward one another usually go unheard.
- What You Are in the Dark: When she sees an old woman get aboard a train, Koharu admits she would only have given up her seat for her if Mako was around to appreciate her generosity. When Kaho ends up giving her seat to the elder, Koharu then imagines badmouthing her with her other friends. Either way, she shows herself to be a scummy person deep down.
Hatsushiba
Voiced by: Tomokazu Sugita (Japanese), Corey Hartzog (English)
An overweight student in the manga club who Tomoko is partnered with in order to complete a portrait-drawing assignment for her art class. While Tomoko believes that the cute-looking portrait he drew of her meant that he found her attractive, it is later revealed that he draws all female characters with the same face.
- Abhorrent Admirer: Tomoko is immensely grossed out by the idea of him being into her at first. After she sees the picture he drew of her, though, she becomes more keen on it. Of course, it's later made clear that he has no interest in her at all, and his attraction to her was all in her head. It also counts as Hypocritical Humor on Tomoko's part, as she's a huge loser and geek herself who constantly pervs on people who barely know her.
- Adaptational Attractiveness: The anime downplays his lips, making him less weird-looking overall.
- A Day in the Limelight: Chapter 131 actually gives some insight into his character.
- The Bus Came Back: Makes a surprise reappearance five volumes after his debut as a person checking out books from the library while Komiyama was on duty. Not only does Tomoko still think that he has a thing for her, but Komiyama mistakes Tomoko as having a thing for him. Even later, in chapter 122, he becomes Tomoko's classmate.
- Covert Pervert: Possibly, if his perfect score on his health exam is anything to go off of.
- Geek Physiques: He's fat and a member of the manga club.
- Gonk: He's fat, has a strange and unattractive face, and acts in an unappealing manner.
- Hidden Depths:
- Despite his apathetic front, he admits to being insecure about his drawing skills, which is why he rushed through his portrait of Tomoko in their first year.
- He was one of only four students in his grade to get a perfect score in his health exams, implying that he may actually be as much of a pervert as Tomoko assumed him to be.
- Jerkass: Downplayed. He's not outwardly hostile, but he's so apathetic that considering the needs of other people is just something he can't be bothered with. For instance, he rushes through his portrait assignment with Tomoko and leaves, not caring at all that she still needed to use him as a reference.
- Last-Name Basis: Mostly because Tomoko doesn't know him very well.
- Non-Standard Character Design: His lips and nose look nothing like any other character's.
- Only Six Faces: He draws all of his female characters with the same stock
Moe face. His portrait of Tomoko in this style convinces her that he has a crush on her. However, chapter 131 shows that he can draw proper portraits as well. - Pet the Dog: When he catches Tomoko at the theme park, he draws a more accurate picture of her along with her friends to make up for the rushed portrait he made of her in his first year. Hatsushiba later gives it to her when they meet again at Comiket.
- The Quiet One: Doesn't say much at all.
- Stereotypical Nerd: He's fat, wears glasses and is in the manga club. Tomoko even guesses that he has no friends at all just by looking at him and is an Abhorrent Admirer for her.
- The Stoic: Maintains the same expression throughout all of his screen time.
- Terrible Artist: Played with. He's actually quite good at drawing but was originally incapable of giving his characters different-looking faces. After a few years, he improves significantly.
- Took a Level in Badass: His drawing skills improve substantially between his first and third years of high school; beginning as decent but bland and lacking in diversity and expressiveness before growing to be genuinely impressive to look at.
- Tranquil Fury: He doesn't visibly react to Minami's snide comments toward him, choosing instead to vent his anger at her in his art by drawing an unflattering image of her as Mako's bondage pet.
Kakinuma
A nerdy boy who sits next to Tomoko in class.
- The Bus Came Back: Reappears in chapter 188 where he's revealed as one of Futaki's arcade buddies.
- Butt-Monkey: Tends to get slightly humiliated every time he appears, and Tomoko loves to mock him inside her own Internal Monologue, clearly viewing him as being beneath her.
- Cannot Talk to Women: Becomes very flustered when he's forced to compete in a three-legged race with a cute girl during the school's athletic meet.
- Double Standard: When Tomoko is told to wake up after falling asleep in class, everyone goes silent, when he does the same, everyone laughs. Tomoko Lampshades this.
- Eerie Pale-Skinned Brunette: He's gangly, pale and has shaggy black hair.
- Geek Physiques: He's a skinny, scrawny nerd.
- Last-Name Basis: Justified, since Tomoko doesn't know or care about him very much.
- Nerds Are Virgins: Tomoko assumes this trope when judging him in her Internal Monologue.
- No Social Skills: Is always shown to be visibly nervous whenever he interacts with another person.
- Only Sane Man: The few glimpses we see of him with his fellow nerds seem to imply him to be this among his social group
- Opaque Nerd Glasses: His glasses completely conceal his eyes, and make his status as an unpopular nerd immediately obvious.
- Otaku: Tomoko describes him as one, though this is entirely an Informed Ability as we don't get to see enough of him to confirm it.
- Put on a Bus: Or in a different class at any rate. He hasn't shown up since the second year as he's no longer in Tomoko's class.
- Satellite Character: We don't know much about him besides the fact that he's unpopular and sits near Tomoko. This is justified as being the result of Tomoko's disdainful indifference to him.
- Spear Counterpart: Seems to be one to Tomoko, being an awkward Eerie Pale-Skinned Brunette Otaku with poor social skills. Naturally, Tomoko overlooks their similarities in order to mock him.
- Stereotypical Nerd: Has all of the standard traits of one, at least. He's rail-thin, wears thick glasses and gets anxious around pretty girls. Tomoko even calls him one in her thoughts.
- Unlucky Extra: Most of his appearances involve suffering some comical mishap. He's otherwise completely unimportant.
Shiki Futaki
A girl with pigtails and an emoji-shaped face who joins Tomoko's class at the start of the third year.
- Academic Athlete: She's both an accomplished athlete and one of the highest-scoring students in her class.
- The Ace: She pretty much excels at everything she does. Shiki singlehandedly takes at least five headbands in a cavalry battle during a sports festival, shoots every target in a theme park game, wins every tabletop tennis match in another sports festival, plays soccer incredibly well despite having not played it since elementary school, can effortlessly pull off splits, and dominates every video game she plays. She's also ranked 99 in her class. That said, her skills don't extend to more luck-based games like mahjong.
- Born Unlucky: Downplayed. Unlike most examples of this trope, Shiki is not a Butt-Monkey and sees great success in most things thanks to her raw skill. She just tends to, by her own admission, fare poorly in games of chance, as shown when she comes in dead last in a game of mahjong. This is reflected in her official stats; they're high all across the board, save in Luck, which is set at 1.
- Early-Bird Cameo: First shows up in the second year during the sports festival when Tomoko's friends were unable to find her during the cavalry battle before becoming part of Tomoko's class during the third year.
- Gamer Chick: Is often seen playing, and is very good at, video games and dreams of being a pro gamer. It's later revealed that she's become a popular streamer during the third year summer break.
- Hotter and Sexier: Her Youtube channel became much more popular when she started uploading more titillating videos.
- Muscles Are Meaningless: Her frame is thin, but she is shown to be incredibly strong and athletic regardless. She can pull off perfect splits and was able to push a teacup ride faster by herself than two boys her age (who unlike her, also broke into a sweat doing so).
- Named After Somebody Famous: Shares the surname of Kota Futaki
- Nice Girl: While she shows no mercy to anyone she plays against in a game, Shiki never rubs her victories in anyone's face, takes what few losses she suffers in stride, quickly forgives slights, and tends to get along with most people, including the delinquents and Koharu.
- No Name Given: Went nameless in her brief appearances until chapter 128 revealed her name to be Futaki. Her given name is revealed to be Shiki in chapter 147.
- Non-Standard Character Design: To the point where she makes Ucchi look ordinary in comparison. Her blank dot eyes and triangular mouth are already strange enough, but unlike Ucchi, they almost never change expression.
- Odd Friendship: Develops one with Yoshida's delinquent group when they and Tomoko hang out at the arcade. It's later heavily implied that Anna and Reina help film her gaming streams. She later begins to develop one with Minami.
- Offscreen Moment of Awesome: All of her supposed feats happen entirely offscreen.
- One of the Boys: The groups she tends to hang out with, such as the school trip to Disneyland or her after-school arcade club, consist entirely of boys, who generally treat her as a platonic friend.
- Sore Loser: Downplayed. She doesn't act too outwardly bitter when she loses a game. However, most of the time when she does, Shiki has a tendency to make excuses for her defeat, and the follow up by challenging the victor(s) to another game that she knows she's more likely to win.
- The Stoic: Even past her blank, unmoving expression, she doesn't really express herself through body language either. In the brief moments where she speaks, she comes off as rather dry and unemotive.
- Tomboy: Quite possibly. She's athletically gifted, seems to be a master of most games she plays and her group during the Disneyland trip seems to be made up exclusively of boys.
- Trademark Favorite Food: Judging by chapter 154, focaccia. The perspective of eating it is one of the few things that make her change expression.
Hikari Itou
Tomoko's schoolmate who is friends with Kotomi. In their third year of high school, she becomes Tomoko's classmate.
- Black Bead Eyes: Overall her eyes are quite similar to Ucchi's, though unlike Ucchi Itou also has an outline of her upper eyelids drawn.
- Cloudcuckoolander's Minder: Acts like Kotomi's sometimes, most notably in chapter 134 when she tries to prevent Kotomi and Masaki from fighting.
- A Day in the Limelight: Chapter 153 focuses on the beginning of her friendship with Kotomi and confirms that in spite of occasionally being weirded out by Kotomi, she actually likes her.
- Forgotten First Meeting: Flashback in chapter 110 shows that she, Tomoko and Hina took their high school entrance exam together; afterward she and Tomoko talked briefly and Tomoko tried to fist bump with her. Tomoko remembers the meeting itself, but not that the girl she met was Itou and gets embarrassed in chapter 122 when the two meet again and Itou brings the incident up.
- Named After Somebody Famous: Shares the surname of Yoshihiro Ito.
- Not So Above It All: She thinks of herself as Kotomi's minder and often inwardly rants about her friend's antics, but Itou has shown she's not really all there herself. She's done things like base a locker passcode off the syllable of Kotomi's name (and accidentally saying it out loud), and describing her friend in an overly long, detailed, and encyclopedic manner when Tomoki asks about her. The latter incident has Tomoki conclude that even Itou is a weirdo.
- Only Friend: Seems to be this to Kotomi in their high school, as she is the only person that Kotomi is regularly shown hanging out with at school and during the school trips. Itou herself is not shown to have any friends other than Kotomi.
- The Stoic: Tends to keep a poker face no matter what she is thinking and what happens around her.
- The Straight Man: She is frequently shown confused or even grossed out by Kotomi's antics, but the two stick together anyway.
