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Characters / Don't Toy With Me, Miss Nagatoro
aka: Ijiranaide Nagatoro San

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Note: The following page includes characters and tropes from the serialized manga, the "official fanbook" and other comic anthologies(!)  and the pre-serialization doujinshi. It may contain untagged spoilers for older chapters, so beware if you're not caught up with the manga!!!


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Main Characters
Nagatoro and Senpai in a rare moment of peace

Nagatoro: Please call me Nagatoro. Glad to make your acquaintance, Senpai.
Senpai: I... I'm
Nagatoro: Oh, I don't care about your name, Senpai; Senpai is just fine as just Senpai.
—Ch. 3

Nagatoro and Senpai are a couple of high school students at Kazehaya High School. Her, a popular, athletic and attractive girl in first year, and him, a lanky, twitchy, antisocial and dorky boy in second year, spend their afternoons together at the Arts Club room where she endlessly henpecks him.

    In General 

  • Aren't You Going to Ravish Me?: Invoked and played for laughs. Almost every other interaction between Nagatoro and Senpai consists of this, Nagatoro prodding Senpai's ribs for him to have the cojones to act upon even his basest instincts.
  • Aw, Look! They Really Do Love Each Other: The main point of the manga. Behind all the teasing games, it's shown that these are two young people who have a profound love for one another... but completely suck at conveying it.
  • Bastard Girlfriend: In the original Pixiv sets, this is the nature of Nagatoro and Senpai's relationship, where she plays a Dominatrix straight, to the point that she is called "sado-dere"; in the manga, their relationship is considerably less malicious and abusive, and her abusiveness is usually to get him to defend himself. Plus, they're not an item (yet).
  • Best Friend: They are this to each other, short of romantic progression.
  • Birds of a Feather: Implied Trope. It's shown that dealing with fundamental mutual emotions such as embarrassment, jealousy and excitement, Nagatoro and Senpai behave rather similarly and assume the same attitudes. The fact that this happens lends credibility to the possibility that they are Not So Different, and this is one of the aspects that fuels the development of their relationship, as they start to realize that such is the case.
  • Didn't Think This Through: Nagatoro's gist concerning her approach methods towards Senpai always ends up becoming this. She wants to approach Senpai with enthusiasm, but comes off too strongly on him in both actions and words, as she has a noted poor gauge to measure said approach, usually ending up getting out of her hands, either hurting Senpai (as shown in the first two chapters) and/or making either herself, or Senpai, or both end up a flustered mess. The fact that Senpai lacks both experience and courage doesn't help either, as his initiatives end up escalating the situations unintentionally. In summary, they want to become closer, but they both utterly suck at it.
  • Everyone Can See It: Nagatoro's friends are well aware of how much their Hayacchi likes Senpai, how much he likes her in return, and how much the two of them suck at conveying it.
  • Just Friends: Regardless of any romantic progress in their story, it's shown that Senpai and Nagatoro care about each other in a fundamental level, and start enjoying each other's company more and more as time goes by. They might not be boyfriend and girlfriend, but they're friends at the very least. They also share the tendency to deny that they're an item.
  • Living Emotional Crutch: They are this mutually to each other:
    • Through Nagatoro, Senpai has learned to be more assertive and has gained agency towards his decisions, becoming more vocal and open, and obtaining the company and friendship that he sorely lacked and didn't want to recognize that he craved;
    • Through Senpai, Nagatoro has found a subject worthy of the affection and the joy she doesn't want to show to others, and by being there, Senpai has brought a true and fundamental interest from Nagatoro to mutually enjoy their time together and grow as people by bringing out the best of each other.
  • Lonely Together: Senpai is an outcast and a loner, while Nagatoro, in spite being popular and attractive, cannot bring herself to like any of her male classmates and has no significant relationships with the opposite sex. They become almost inseparable.
  • Opposites Attract: They could not possibly be two more different people:
    • Nagatoro is a popular, athletic, attractive, agressive and showy girl.
    • Senpai is a loner, morose, lanky, unassuming, passive and twitchy boy.
  • Pitbull Dates Puppy: Short of actually dating, this is the dynamic between Nagatoro and Senpai. She's loud, boisterous and aggressive in the relationship, while Senpai is submissive and led by the nose.
  • True Love Is Exceptional: Nagatoro's friends, especially Yoshi, like to pair Nagatoro with more superfluous and childish guys, who are always mercilessly turned down by Nagatoro. Turns out, Nagatoro likes them twitchy and wimpy, like Senpai.
  • Vitriolic Couple: Considering the abuse she puts him through, and the dread he feels towards her, one might find hard to believe that they interact every day, and that they like each other.

    Hayase Nagatoro
Top: Nagatoro in the manga; Bottom: Nagatoro in the original 2011 Pixiv set

Will you keep running away from your weakness? Well, it's fun looking at someone as awful as you, but don't you want to get better? Do you want to stay awful like this? Awful Senpai ♥ Hey, hey; What will you do?
—Nagatoro, Ch. 4.5

Hayase Nagatoro, Nagatoro for short, or "Hayacchi" to her friends and classmates, is a freshman highschooler with a sadistic streak. Takes an interest in her upperclassman after seeing his artwork.
  • A-Cup Angst:
    • All her friends are more buxom than her. During the Beach Episode, she didn't appreciate that Senpai ogled at them, so she grabbed his attention when she showed her swimsuit.
    • She doesn't appreciate when her friends compare her to the Arts Club President, especially because the latter has a bust that could cut through glass.
  • The Ace: As it turns out, she's a pretty damn good swimmer. However, her friends point out that she's using the wrong technique. Also, in spite of her procrastinating nature, Nagatoro is the best student out of her friends and Senpai.
  • Action Girl:
    • Shows off some impressive martial arts moves, is regularly shown to be able to overpower Senpai, and doesn't think twice about moving a sofa across the school by herself. She's also markedly athletic.
    • Later in the story, Senpai visits her home and notices that she has several awards and trophies, as it's implied that she did competitive martial arts (judo) in middle school.
  • Adaptational Nice Guy: In the original webcomic, she was genuinely abusive, both physically and emotionally, with her tormenting Senpai in numerous ways that stretch Double Standard: Abuse, Female on Male so far it becomes borderline Domestic Abuse, since they're a couple there. In the manga, Nagatoro never goes anywhere near that level, even in the beginning when she retained her emotionally abusing side, and following her going a bit far with the verbal abuse, she has a Jerkass Realization and drops even that, limiting her bullying to much tamer stuff.
  • Adaptational Wimp: Played with. She does competitive martial arts in the original Pixiv sets. In the manga she shows her chops, but it's implied that it's more of a hobby; she's also considerably less violent. Later it's revealed that she probably did compete as a kid, even winning awards.
  • Affectionate Nickname: Her friends refer to her as "Hayacchi". In a game 774 made, it's revealed that her given name is Hayase, and this is later confirmed in Chapter 62 of the manga. Sakura also calls her "Toro-chan".
  • Aggressive Submissive: She utterly loves to tease her senpai with suggestions of lewd things up to a line. The moment that line is crossed (usually accidentally on her part) she becomes very nervous.
  • Aloof Dark-Haired Girl:
    • Played with. Nagatoro behaves very differently whenever she talks with boys that are not Senpai, showing herself bored, more contrarian and standoffish. Her coyness is for Senpai alone. It's shown that she's an item for her male classmates, and has several unsuccessful pursuants behind her.
    • Later in the manga, her girl classmates describe her as an otherwise serious girl who had no interest in love.
  • Ambiguously Brown: She is noticeably darker than most other characters, but this is just a tan from her swim club activities, as evidenced by tan-lines in the shape of her swimsuit. In the webcomic, she's a lighter shade in winter.
  • Animal Motifs: Cats. She has Cute Little Fangs, often has a Cat Smile or Cheshire Cat Grin, and has a cat-themed cellphone case. She also shows up as a Cat Girl in Senpai's dream during chapter 9. Later, he imagines she must have a pet cat, but she doesn't. Senpai later remarks that his relationship with Nagatoro and her friends like jaguars in a mole's den.
  • The Baby of the Bunch: In her family. Nagatoro is the youngest child out of 3.
  • Bad Liar: Nagatoro is awful at coming up with excuses for her friends not to interact with Senpai. What makes it even worse is that she's the one that gives them leeway to do so by bragging about Senpai.
  • Berserk Button:
    • She extremely dislikes when other people bully Senpai, but it's shown that what makes her even madder is when Senpai regresses to his self-deprecation, as she feels personally hurt from the fact that a person she cares so much about treats himself so badly.
    • Aside from the aforementioned, she becomes livid when Senpai recoils whenever there's a situation where they may be confused for being an item together. Albeit they're not boyfriend and girlfriend, she loathes that he denies it, even when it's not vehemently. This is, of course, because there's nothing to be ashamed of from the mere suggestion.
  • Better the Devil You Know: Albeit Senpai bitches and moans a lot about Nagatoro, it's shown that he'd much rather be alone with her than around her friends, as he has absolutely no gauge for them. The few and scant defenses that he has for Nagatoro, he just doesn't have them for her friends.
  • Brutal Honesty: Initially with Senpai, but later diminished as she becomes gradually more coy with him. It's later revealed that she retains her bluntness when she interacts with people in his absence, as she succinctly tears down some boys that one of her friends invited for a mixer; however, she's only coy with Senpai.
  • Casual Kink: Obvious sadism aside, she seems fully on board with re-enacting a Kiss of the Vampire with Senpai, with the framing of the scene making it seem more sensual than it is. The only reason she didn't is because Senpai had been eating Yakisoba flavored with garlic and his breath smelled too horrible for her to continue.
  • Character Development:
    • In the first chapter, while Nagatoro doesn't directly make fun of his manga, she also doesn't stop her friends from doing so. She then takes her "critique" of his manga so far she makes him cry. A few chapter later she shows concern about Senpai getting angry, and by chapter eleven, she's getting angry on his behalf when her friends insult him.
    • It's also shown that she tones down her taunts towards him, as she doesn't actually want to hurt him.
  • Clingy Jealous Girl: She really doesn't appreciate anyone else bullying Senpai, getting downright angry whenever her friends try to join in.
  • The Confidant: With her big sister, as it's implied that they have no secrets between them... which places Senpai in a rather awkward position when the two first meet.
  • Cute Bruiser: Much stronger than her stature and slim build would indicate.
  • Cute Little Fangs: Notable when she's teasing Senpai. They're the focus of Chapter 6 of the manga, where it's shown she naturally has them.
  • The Cutie:
    • One of the main reasons Senpai likes her, and he has (unwittingly) manifested that showcasing this is one of the reasons he chose her as his muse for the cultural festival at school.
    • Upon meeting Nagatoro for the first time, Senpai's mom describes her as an "adorable girl".
  • Didn't Think This Through:
    • It's implied by the initial chapters' extras that Nagatoro may have ended up bullying Senpai unintentionally to begin with, as she wonders whether she came off too strong and brusque against him from being overexcited. One of her Character Development traits consists of her precisely softening her interactions with him gradually, though she's still rather bad at it.
    • Later chapters reveal that she's something of a muscle-head (as she did martial arts competitively earlier in her life) who never quite had any interest in boys before she met Senpai, further explaining why she approached him so aggresively.
    • There are instances where her interactions with Senpai get too close for comfort, or when the President herself gets too daring for her to respond to the taunts. In those cases, she often employs the not-too-maligned Screw This, I'm Outta Here!.
  • Double Standard: Abuse, Female on Male:
    • Invoked in the original Pixiv illustrations, where Nagatoro is considerably more abusive towards Senpai, both physically and verbally than in the manga.
    • Played with. The first couple of chapters of the manga show Nagatoro verbally hammering on Senpai to the point of tears, and it wasn't until the first volume was released that a couple of post-chapter extras were featured (1 and 2), showing Nagatoro flustered and wondering whether she overdid it, implying that she may have actually thought that she was flirting with him, or at the very least, trying and failing spectacularly.
    • It's later hinted why Nagatoro took that initial approach towards Senpai, and it's considerably more innocent than what it was shown in hindsight. First, it's shown that Nagatoro is a tomboy; second, that she never showed any attraction towards boys or any interest in romantic topics until she met Senpai, implying that he's her First Love; third, it's shown by the post-chapter extras in the first volume that Nagatoro has liked Senpai from the moment they met; fourth, that she engaged in combat sports earlier in her life; and fifth, as mentioned in the previous point, that she approached him thinking that she was flirting with him, but took the most excited and muscleheaded route possible based on the aforementioned points, behaving much like little kids who strike the girls they like because they don't yet know how else to do it.
  • Does Not Like Shoes: She never wears socks, and is frequently barefoot when she can get away with it.
  • Dominatrix:
    • Short of the leather outfit and the whip, this is more or less how she treats Senpai initially. Later, she devolves into The Tease instead, but can revert when Senpai is being extra wussy that it disgusts (and amuses) her.
    • Played straight on the Pixiv illustrations, where Nagatoro gives a leather choker to Senpai for christmas.
  • Dude Magnet: Nagatoro is considered an item for her first year classmates, and has no shortage in pretenders. She shows no interest in any boy that is not Senpai.
  • Early Installment Character Design Difference: Nagatoro has dark grey or bluish hair in the original Pixiv illustrations; in the manga, her hair is stark-black.
  • Early Installment Weirdness: In the original Pixiv sets, she's violently abusive both physically and emotionally towards Senpai. She also mind-breaks him into an Anguished Declaration of Love (though even this early on, this flusters her as much as him). In the manga, she's considerably less malicious.
  • Entertainingly Wrong: It's shown that she constantly misreads Senpai's desire towards her to the more perverted side, though she slowly starts realizing that what he wants with her is mutual tender affection; yes, he lusts after her, but he wants the sweeter stuff more than that.
  • Everyone Can See It: Her friends can immediately tell how much she likes Senpai, so they tease both Nagatoro and Senpai to make them be genuinely closer.
  • Everyone Has Standards: Initially, she bullies Senpai relentlessly, but as time passes and the bullying subsides, she is one to defend his dignity from her friends at the very least, as he's very self-deprecating to begin with.
  • First Love: Played with and implied. In Chapter 58, it's revealed that she has never been one for romance or boys, implying that (in not so many words) Senpai is the first boy she's ever liked. The fourth official comic anthology (the "official fanbook") mentions that she's never had a boyfriend before.
  • First-Name Basis: Played with and subverted. Albeit Senpai and the reader mostly know her by her family name (Nagatoro), her classmates, friends and acquaintances mostly refer to her by her nickname "Hayacchi", to the point that, when Senpai asks about her by her family name, her grade mates can't place her. It's later revealed that her name is Hayase.
  • The Gadfly: Part of the reason she hangs out with and teases Senpai is because she finds his reactions entertaining.
  • Genki Girl: Very energetic and prone to fast-talking and moving when around her Senpai. Around other boys she's much more cold and subdued.
  • Girl of My Dreams: Senpai has a dream about being companions on a fantasy setting, where he's a "hero" and she's a Cat Girl.
  • Given Name Reveal: Chapter 62 finally reveals her first name: Hayase.
  • Good Is Not Nice: It's shown that Nagatoro is actively trying to make Senpai shed the cocoon built by his self-deprecation, but she disdains whenever he regresses into it, showing multiple times that she has no intention of respecting this side of him, so she attacks it with everything she's got. She'll treat him like a bitch if he starts behaving like a bitch, plain and simple.
  • Green-Eyed Monster: In spite of being in the lead ahead of other girls by a nautical mile when it comes to Senpai, Nagatoro really dislikes Senpai interacting with other girls, especially because she's less personable than them.
  • Has a Type: In Chapter 58, she states that her type of boy is one that "is fun to be with"; as Senpai is accidentally eavesdropping, he realizes that Nagatoro has fun with him, and that she tends to not have fun with other boys. Put two and two together and...
  • Hellish Pupils: Her eyes get a concentric circle pattern whenever she starts bullying Senpai. A trait shared among her friend group.
  • Heroic BSoD: Played for laughs when Nagatoro sees the Arts Club President's artwork intended for submission in their competition. It's so daring and sexy that she petrifies in the couch, as she's nowhere as curvy as her rival.
  • Heroic Self-Deprecation: One of the main reasons she doesn't want her friends to get close to Senpai is the fact that they have assets that she thinks she lacks herself. Gamo-chan has the capacity of being more patient and decent towards him, Yoshi can dispense physical affection to him, and Sakura can dispense sweeter words and appreciation towards him; they're also collectively more buxom than her. Unbeknownst to her, Senpai likes her more than he likes them by a mile, or at the very least, she doesn't trust him enough not to stray, or herself not to let him.
  • Hidden Buxom: The way she's drawn shows her as having a slender build, but Chapter 10 shows that she's certainly not flat. They're more average sized and hidden by her clothes.
  • Hidden Depths:
    • There are hints that she's more socially conscious than she lets on or Senpai realizes. When his manga spills out of his bag, while her friends are outright laughing at him, she thinks its cool that he drew it himself and only starts to mock him when they're alone, possibly to save Senpai being embarrassed in front of a crowd. There's a number of times when she tries to give him an out to her treatment of him, asking if her teasing makes him angry, or if he's doing this of his own volition, implying she would stop if it he told her to.
    • It's implied that Nagatoro uses casual rudeness towards Senpai in order to deflect her real intentions, taking three steps in with her suggestions ("let's wear matching yukatas for next year's festival"), and two out with her teasing ("I'm joking, that would be gross"), inching herself gradually closer to him, thus defusing the situation for the moment while leaving a kernel of hope for Senpai. This requires Senpai to be passive, but every time he becomes active, it's either a plus for her, or a rug pull from under her feet.
    • Judging by her friends' reactions whenever they get caught teasing Senpai, it's not wise to make Nagatoro mad, implying that she has a temper warranting fear. It's later shown that even with her attitude towards Senpai, she's being subdued and she's not a stranger in kicking ass, meaning that given the circumstance, she can be as dangerous as she is threatening; in that respect, she's bark AND bite.
    • In chapter 10 she even seems to notice her teasing of Senpai during an attempted Boke and Tsukkomi Routine cut too deep and seems genuinely upset that she hurt his feelings.
    • It's also shown that Nagatoro is a sweeter and more empathetic person than she lets on, and that she's more susceptible to Senpai's kindness than he realizes, even tenderly hinting to him -when he gives her his LINE contact, all while telling her that he's not a person worth talking to- that his declarations of self-deprecation affect her too.
    • It's heavily implied that Nagatoro both likes and admires Senpai's artistry, especially when he doesn't use it as an excuse for unproductive escapism.
    • It's shown that Nagatoro is not particularly better at expressing her feelings for Senpai, this being the main reason her girlfriends prod her by playfully harassing Senpai.
    • She is given to show physical affection to Senpai, and this is one of the reasons she recognizes that she shouldn't allow Yoshi and Sakura to have the same kind of contact with Senpai and actively prevents her from getting close to him. It's also shown that she's markedly bad at receiving physical contact from Senpai herself.
    • Surprisingly, Nagatoro is rather competent academically for a girl who procrastinates as much as she does.
    • It's implied in the Volume 1 extras that Nagatoro approached Senpai in the first place with the intention of being coy and flirtatious, but she went overboard, and that she has liked him since the beginning of the story.
  • Hoist by His Own Petard: There are numerous occasions where Nagatoro pushes the envelope a little too far, ending up just as embarrassed by the situation as Senpai is. The entire relationship between Senpai and her group of friends is also an example of this, as her friends treat Senpai pretty much exactly the way Nagatoro does, except that Nagatoro gets really jealous.
  • Hypocritical Heartwarming: She, and only she, is allowed to tease Senpai.
  • Hypocritical Humor:
    • Even though Nagatoro likes to tease Senpai, it's shown that Nagatoro would be at a loss should Senpai actually respond to her taunts, and Senpai is slowly catching on the possibility that romantically, Nagatoro is all bark, no bite, especially due to the fact that she can get as embarrassed as he does.
    • She occasionally teases Senpai about being a virgin when it's obvious to the reader she's just as inexperienced with physical intimacy with the opposite sex as he is.
  • Idiot Hair: Used for a gag in Chapter 59, as part of her bed head. Otherwise, she's always neatly groomed.
  • I Just Want to Be Loved: The longer the manga goes, the more she gets comfortable with the idea that she loves Senpai and that he loves her back.
  • I Just Want to Have Friends: Played with. Albeit it's shown that Nagatoro is aiming to have a deeper relationship with Senpai, it's also paramount to her that he realizes that she wants him to be her friend too, and that it's not something that he should be "worthy" of, as he's not below her and shouldn't feel like so.
  • In-Universe Nickname: Her friends call her "Hayacchi". Older material from 774 shows that her given name is Hayase, and it's later revealed to be that indeed.
  • Inconsistent Coloring: Depending on the art, her eyes may range from amber to maroon.
  • Innocently Insensitive: Played with. The extra jokes in Chapter 1 and Chapter 2 show that her teasing of Senpai that drove him to tears were unintendendly cruel efforts from her part to flirt with him.
  • Insecure Love Interest:
    • Implied Trope. Not unlike Senpai when it comes to her, Nagatoro doesn't see herself to be emotionally at the point where she'd even be able to have a serious, heartfelt conversation with him in spite of having all the intention to do so. As such, her interactions and teasing with Senpai enable her to inch her way towards that point precisely, little by little. As a matter of fact, this is one of the reasons she doesn't like her friends to tease Senpai to "help" her, as she'd rather go by her own rhythm, and she herself doesn't trust them not to mess everything up, or Senpai not to be led astray by their intervention.
    • It's also implied that Nagatoro treats Senpai the way she does because she gets too nervous and overexcited. This is later revealed to be the product of him being the very first boy she's liked, so she herself is learning along the way with him.
  • Insult of Endearment:
    • Almost everything she says to Senpai.
    • Due to the Neko-toro products released at the Cultural Festival, the Arts Club President pejoratively refers to her as "Cat Girl".
  • Irony: It's implied that, while she's very tittilating and coy around Senpai, she's not very good at flirting seriously, and becomes self-conscious whenever a situation like that arises, making her either flustered, or excessively aggresive.
  • It's Personal: She takes personal offense whenever Senpai starts getting self-deprecating or comes up with lame excuses not to better himself, so she hammers on him with a vengeance. She finds it particularly insulting that a person she likes so much, and finds so full of virtues, doesn't like himself or sees said virtues on his own.
  • Jerkass Has a Point: Her initial criticism of Senpai is on point, as he projects an unrealistic romantic scenario that wouldn't play out in the real world. In spite of her Brutal Honesty, she took her time to find all the faults in his logic... and promptly threw them on his face like a handful of sawdust, which made her intentions considerably less graceful.
  • Jerk with a Heart of Gold: It's most prominent in the original webcomic, where she was outright sadistic and enjoyed tormenting Senpai, while also being fully in love with him and having a few standards, but it's still present in the main manga. Even when she actually bullied him near the beginning of the manga, she still cared about his well-being and had a lot more standards than her webcomic version, with her toning it down to teasing and a little physical pushing after accidentally going a bit too far. While she acts as a total Alpha Bitch to every other student outside her personal circle of friends, her relationship with her friends and Senpai show she has a heart underneath that.
  • Joshikousei: Even refers to herself as such at one point.
    Nagatoro: Apples! Banana! You can draw them whenever you want!! There's a JK right here! A JK, you know! You don't understand the value, do you Senpai!?
  • Last-Name Basis: Given that Nagatoro is her family name, she and Senpai are on these terms.
  • Long Hair Is Feminine: In contrast with her otherwise tomboyish personality.
  • Love at First Sight: It's implied from the Volume 1 extras that Nagatoro has liked Senpai from the moment they met, but her approach was atrocious.
  • Loving Bully:
    • Her core personality trait, but only towards Senpai. By later chapters however, she's barely bullying him; only teasing him harder than other flirty heroines.
    • It's later revealed that, since Senpai is implied to be her First Love, she is a complete newbie when it comes to romance and didn't know how to approach him in any other way than the aggressive method she's been using. As such, it has been an education for her too.
  • Love Redeems: Implied. In Chapter 58, her classmates state that she became more jovial and accessible ever since she entered high school, and Sakura correctly deduces that said changes started when she met Senpai.
  • Mad Eye: When her teasing of Senpai reaches a fever-pitch, she's drawn with one eye squinting and the other wide open.
  • Magic Skirt: Regardless of how far she goes to provoke Senpai, she is somehow never fully up-skirted.
  • Masculine Girl, Feminine Boy: Is confident and strong to Senpai's Shrinking Violet.
  • Morality Pet: A twisted example for Senpai. Her goal is to bring out the best of Senpai, but it's shown that she'd rather not sugarcoat anything for him, lest he returns to being complacent.
  • Ms. Fanservice: Even outside of the examples brought about through her Shameless Fanservice Girl moments, the story is very open to showing just how much of a slender, well-built body she has, particularly her legs, with Senpai having made it quite obvious that he very much enjoys the sight of all of her, especially when she shows more skin. Even her small chest that she's self-conscious about does nothing to detract from how good she looks.
  • The Muse: She starts becoming one for Senpai. She sometimes poses for Senpai's drawings, and those instances are shown to be the moments Nagatoro most enjoys when being around him. It also helps that Senpai finds her both gorgeous and captivating to begin with. In Chapter 41, Senpai intends to tell her that she became this for him, but ends up fumbling his words:
    Senpai: Because you're the most stimulating person for me!!
  • Nightmare Face: She has a terrifying gaze whenever she's absolutely livid; if other people can proverbially throw daggers with a stare, she can throw poleaxes (especially those than can down the rider and the horse).
  • Nightmare Fetishist: Enjoys horror movies, and tries to act one out with Senpai.
  • "No. Just... No" Reaction: She gets one of these when her friends say that Senpai is not a man.
  • Not So Different: Senpai has increasingly started realizing that Nagatoro is just as inexperienced with love as he is. As stated in Loving Bully, it's implied that this is one of the reasons she approached him so aggressively in the first place, as she may not know any other way that's more subtle.
  • Not So Stoic:
    • In the extras of Volume 1, immediately after Chapters 1 and 2, having driven Senpai to tears and left the classroom, and having tricked him into expecting a kiss from her respectively, Nagatoro is shown in both instances flustered and dubious, wondering whether she had overdone it. This implies that she did not originally want to hammer on Senpai like she ended up doing.
      • In Chapter 8, this also happens after Senpai's second drawing with her as the subject, but this time she's flustered after kissing him on the cheek, which is a more tender gesture than what she had done before.
    • Albeit she is already a Genki Girl, she's ecstatic when she sees Senpai's drawings of her like a Cat Girl and chases after him brimming with joy. Of course, Senpai immediately recoils, as he thinks that she's gonna make fun of him as usual.
    • Nagatoro once has a nightmare of Senpai just getting fed up with her and leaving her behind to be with Gamo-chan and Yoshi, showing that she cannot bear the thought. She wakes up in horror only to find that Senpai put a blanket on her.
  • Nuclear Family:
    • In the Pixiv sets, Nagatoro comes from one, living with her parents and her older brother in a suburban house.
    • In the manga, she's revealed to have an older sister as well, though it's not yet clear whether said sister replaces the brother who has been mentioned, but not yet seen.
  • Only Known by Their Nickname: Invoked in-universe. Nagatoro is initially only known by her nickname "Hayacchi" within the first years. No one but Senpai and the reader refer to her as "Nagatoro", and only Gamo-chan, Yoshi and Sakura know that "Nagatoro" refers to "Hayacchi". This is, in spite of being popular enough that girls of other classrooms know of her. In Chapter 62, it's revealed that her name is Hayase.
  • Paper Tiger: It's shown that while Nagatoro is the "active" party in the relationship, she's mostly bark and no bite. Should Senpai actually be more proactive (as he's increasingly becoming), she'd crumble like a house of cards, and there have been some instances where she was markedly close to spilling out from her brim.
  • Passionate Sports Girl: Played with.
    • Albeit she's a member of the swimming club, she's there as a helper and doesn't engage in competition. However, she's markedly versed in fitness and exercising, and enjoys martial arts as a hobby. She gives pointers to Senpai in order for him to tolerate the school's marathon, as he's a largely sedentary person otherwise.
    • In later chapters, it's revealed that she used to do competitive martial arts earlier in her life, and it's not yet known why she quit.
  • Pint-Sized Powerhouse: The most physically active character in the manga, strong for her size, as well as the shortest.
  • Puppy-Dog Eyes: Uses these when trying to convince Senpai to let her model for him, or during a fake confession.
  • Rubber Hose Limbs: She's sometimes drawn with noodly arms whenever she gets playful with Senpai, turning into what fans call "Noodletoro".
  • Screw the Rules, I'm Beautiful!: Nagatoro is a markedly beautiful girl, and she gets away with a lot of crap that she pulls on Senpai on account of his obvious attraction to her and his unwillingness to assert himself either romantically or in his own defense. This is one of the reasons he's unable to ignore her as he has done with the rest of the people that bully him, as she's that captivating and appealing to him.
  • Shameless Fanservice Girl: Played with. Nagatoro is very open about using her body to get a rise out of Senpai. Only to a point though, as she only lets it go as far as she wants it to, and she will get legitimately embarrassed if the fanservice is unintentional.
  • Significant Birth Date: According to the fourth official comic anthology, she was born on April 1st (April Fools' Day).
  • Single-Target Sexuality: Although Senpai seems to believe the bullying is just part of her personality, it's readily apparent she only does this to Senpai, as she's repeatedly shown to be somewhat cold and indifferent to other guys.
  • Situational Sociability:
    • Nagatoro tends to treat Senpai better whenever they're alone together.
    • Generally, she becomes more jovial whenever Senpai is present, even in the presence of her friends who are quick to notice her change in attitude. She is a more serious and snappy person otherwise. This joviality, however, is not positive, as it makes her more rowdy at Senpai's expense. It's implied that she becomes rather manic around Senpai because she's more nervous around him than she shows.
  • So Proud of You:
    • She looks at Senpai with a very tender expression whenever he does something "manly" like standing up for himself, for her, or when he concentrates on drawing.
    • She's shown to be both excited and flattered when Senpai draws her as a Cat Girl.
  • Stalker with a Crush: She hounds on Senpai from every angle she can attack just for a greater purpose: to have his undivided attention, and to for him to be at his very best while giving said attention to her.
  • Stating the Simple Solution: During the town festival, and after her friends have spent a considerable time toying with Senpai in order to drag her out of her club duties to spend time with him, Nagatoro tells him in not so many words that she understands what happened, and that he should feel free to just ask her out himself. After she "wins" Senpai from her friends, they remove the collar they put on him and leave the two to spend the rest of the festival together.
  • The Starscream: Played with and downplayed. Being a helper at her club is the main reason Nagatoro is able to spend so much after-school time with Senpai, implying that she's not in the club to engage in competition, and doesn't have to attend as often as a regular member.
  • Suspiciously Specific Denial:
    • Nagatoro tends to shoot down her friends' ideas involving Senpai that would get them closer to him, or would put him in a position that she doesn't want him to be, like trying combat styles on him, or dressing him in a maid outfit. She likes him just how he is and just where she wants him to be.
    • In the Official Fanbook, she denies having been interesed in Senpai from day one, to which the interviewer asks her "so when are you getting married?"
  • Sweet Tooth: Her sister reveals to Senpai that Nagatoro is very partial to pudding, enough to make her little sister malleable to her hands.
  • The Tease: She likes to taunt Senpai and to be overwhelmingly coy around him.
  • Tomboy with a Girly Streak: Nagatoro is very active, athletic, rowdy and unrefined, but she's markedly pretty and knows her own attributes. However, her tomboyish side may have had a role in her markedly aggressive initial approach towards Senpai.
  • Trademark Favorite Food: Mainly tomato juice and pudding; the Official Fanbook expands this to curry and ramen.
  • Tsundere: Played with. Nagatoro is in the middle point between this and a Yandere with Senpai, as she is considerably more intimidating than a Tsundere, but not nearly as violent as a Yandere.
  • Violently Protective Girlfriend: When her friends go too far in bullying Senpai, she will get legitimately upset with them (even though she does the exact same thing). Even in better circumstances, she dislikes when they get too touchy with him.
  • What You Are in the Dark:
    • Nagatoro has kept her liaison with Senpai largely away from her classmates, and it's implied that her clique of friends don't really discuss him with their classmates either. This further implies that her classmates are completely unaware of the side she shows to Senpai when they're alone, though some of them have began to notice that she's become markedly more jovial than how she was before.
    • It's later revealed in the comic that Nagatoro's sister is her closest confidant when it comes to Senpai, but it's a not quite productive liaison because it's implied that her sister teases her for it.
  • Yellow Eyes of Sneakiness: Played with. She has stark amber eyes highlighted by her dark complexion and hair, which denote the unscrupulous manner in which she conducts herself. However, she's markedly more susceptible to kindness than what the trope suggests, and her "conniving" often backfires on her.
  • You Are Better Than You Think You Are: In spite her jealousy against her friends and the President because of them being more buxom than her, it's shown that for Senpai, Nagatoro is second to none.
  • You Keep Telling Yourself That: Fittingly, Nagatoro's friends prod her (Gamo-chan in particular) because she won't admit that she likes Senpai.

Top: Senpai in the manga; Middle/Bottom: Senpai in his first and last appearances from the Pixiv sets

I-if someone sees this(!) , it'll cause a misunderstanding!!
—Senpai, Ch. 5

The manga's protagonist and focal character. A twitchy, nerdy and shy aspiring artist, and Nagatoro's upperclassman, he starts to fall in love with her despite her bullying.
  • Accidental Pervert: Many of the situations he gets into with Nagatoro end up like this for him. However, he mostly stumbles not due to pervertedness, but rather, ignorance and inexperience.
  • Adjusting Your Glasses: Adjusts them by the bridge, usually when he's embarrassed.
  • Affectionate Nickname:
    • Nagatoro refers to him by the honorific "Senpai" in lieu of his real name, and this essentially functions as one.
    • Sakura refers to him as "Senpai-kun", which is a double honorific and thus somewhat more affectionate, if kind of redundant, for using the more cutesy "-kun" over the more formal/generic "-san".
  • Amazon Chaser: Compliments Nagatoro on her athleticism, even calling her kick cool.
  • Animal Motif: Sheep, due to his twitchyness and fluffy hair.
  • Attractive Bent-Gender: The thought of him in a maid outfit and wearing a long wig for a "crossdressing maid cafe" unsettles the girls.
  • Audience Surrogate: Averted. Most works of this type would have the main character be someone the reader could self-insert as, but Senpai is very clearly not.
  • Bad Liar: His obvious embarrassment and blushing usually give away his thoughts whenever he's taunted by Nagatoro and her friends. As a matter of fact, this is one of the main reasons they like to tease him so much. Dude has the worst poker face ever.
  • Bishounen: He's actually quite good looking, as official statements say. His awkwardness and nerdiness offsets his looks, however.
  • Broken Tears:
    • In the initial chapters of the manga, Nagatoro bullies him to the point of tears.
    • Nagatoro drives Senpai to tears on almost all the Pixiv illustrations.
  • Butt-Monkey: The exclusive target of Nagatoro's teasing and torment.
  • Cannot Spit It Out: Was considering doing this at the end of Chapter 6, but can't bring himself to. Luckily Nagatoro is willing to take charge in that regard, kissing him on the cheek in Chapter 8.
  • Can't Get Away with Nuthin': Albeit Senpai only has eyes for Nagatoro, he is incapable of denying other girls' virtues because he's too sincere for his own good. Even though his intentions may be pure, the more he talks, the more he lands in hot water.
  • Character Development: Has been getting a lot of this already. Initially, he could barely talk to other people, but as he spends more time around Nagatoro he's able to talk more naturally to her. He's also increasingly more daring towards her, and unwittingly, sometimes becomes rather vocal about his attraction to her.
  • Chick Magnet: It's heavily downplayed, but while Nagatoro is the only girl that blatantly shows romantic interest in him, after spending a decent amount of time with Nagatoro's friends, all of them grow to have a strong fondness and liking towards him that they don't show towards any other guy, even if it's unclear whether any of them are actually attracted to him like Nagatoro.
  • Chivalrous Pervert: In spite of liking fanservice-heavy media, Senpai never once attempts to do anything remotely lewd or rude towards either Nagatoro or her friends. This happens to be one of the reasons they enjoy his presence and feel comfortable around him.
  • Covert Pervert: Tries to act like this, but his bumbling nature ultimately averts it. According to 774, he doesn't rebuke Nagatoro unless she goes too far because he's also a closet masochist. We get to see this a bit in Chapter 14, where Nagatoro tricks him into thinking she's going to pierce his ear and then just pinches him. He seems almost disappointed that nothing actually happened.
  • Crush Blush: He gets red as a cherry in almost every interaction with Nagatoro. It's evident that he really likes her, and at times, he's actively holding himself back.
  • Did I Just Say That Out Loud?: A tendency with him. Some of the series' most heartfelt moments come from absentminded declarations made by Senpai towards Nagatoro, as he declares his sincere feelings at those given moment, only to pause and realize what he just said.
  • Distracted by the Sexy: Oh, in droves! This is one of the main reasons he doesn't kick Nagatoro out of the room; Nagatoro is a head-turner, using her many assets to tease Senpai and distract him from his art. He tries his best not to look, but what's there to look at is so enticing. Nagatoro happens to be, physically, one of the most beautiful people he's ever met, and on top of that is the fact that she's a person who, looking like she does, gives him the time of day. That'd make it hard for anyone not to look.
  • Early Installment Character Design Difference: Senpai doesn't wear glasses and lacks beady eyes in the original Pixiv illustrations, looking less of a stereotypical nerd and simply looking frail. A later chapter of the webcomic was later published in the manga as a special chapter, still showing Senpai without his glasses.
  • Early Installment Weirdness: He's even more of a doormat in the original webcomics, allowing Nagatoro to walk all over him both verbally and physically without so much as a snark, him initially refusing to let Nagatoro hold his hand after a rather nasty prank being the only exception. Senpai in the manga is at least more willing to put his foot down, especially after spending more time Nagatoro.
  • Embarrassing Nickname: In the very first image set, Nagatoro tells him that the girls call him the "beansprout prince" behind his back since he's tall and skinny. It's a pun on his family name Hachiouji, meaning "eight princes".note 
  • Endearingly Dorky: One of the reasons Nagatoro and her clique pester him and enjoy being around him, as he's a talented young artist and a twitchy, jumpy geek.
  • Extreme Doormat: He is the stomping pet of Nagatoro and her friends, though this has gotten better with time.
  • Everyone Calls Him "Barkeep": "Senpai" is technically just a honorific.
  • Everyone Has Standards:
    • Even with his kinks and his desire to do so, Senpai would never do anything remotely inappropriate to Nagatoro in equal parts due to him being a gentleman, and also because he's too embarrassed to do it.
    • He usually doesn't respond to Gamo-chan's taunts in spite of being visibly unnerved by them due to the same reason, and also because he is somewhat aware that the taunts directed at him are meant to rouse Nagatoro.
    • It's shown that he doesn't appreciate when Nagatoro offends him during the Boke and Tsukkomi Routine, and later, when she equates him to Sakura's stalker.
    • It's implied that it's not only that Nagatoro and her friends barge into the Arts Club room and do whatever they want, but also, that he's actively letting them in because he enjoys their presence. He did start out of a Friendless Background, so for him, they're welcome.
    • He can handle people critizing his art, but as shown in Chapter 52, he certainly won't abide to anyone making fun of Nagatoro's art.
  • First Love: He is implied to be Nagatoro's, and he becomes somewhat aware of this.
  • First-Name Basis: Invoked and subverted. In Chapter 63, he is willing to call Nagatoro by her first name, but ultimately resorts not to.
  • First-Person Perspective:
    • Played with. He is the only character in the manga whose inner thoughts are fully displayed for the reader, while getting only snippets of Nagatoro and her friends' thoughts. The manga focuses on Senpai's reactions to Nagatoro's actions, both inside and outside. However, since he's not an Audience Surrogate, it's more of a third-person perspective.
    • Most of the Pixiv sets consist of him having a conversation with Nagatoro, directly facing her.
  • Grew a Spine: A large part of his personal character arc, and something Nagatoro is deliberately pushing him into doing, is developing a backbone and standing up for himself. It's a very long and bumpy process, and he often slips backwards before pushing onward again, but he's gradually getting there.
  • Heroic Self-Deprecation: Admits he would like to be praised, but says he could never got complimented because he has no talents. While he says this, the panel focuses on a drawing he did, which the audience is shown multiple times he's pretty good at. Constant bullying would certainly explain his low self-esteem.
  • Hidden Depths:
    • He is a fundamentally sweet and kind young man in spite of his bitterness, anti-sociability an self-deprecation. This is one of the reasons Nagatoro starts liking him and starts treating him with more dignity as time goes by, as he's willing to dispense kindness towards her in spite of all the crap she's done to him.
    • Deep inside, he is more than appreciative at the fact that Nagatoro is so insistent in keeping him company, and he has started to see her as a person for whom his antisocial logic doesn't apply, thus becoming even more grateful of her presence for proving him wrong about his negativity.
    • Nagatoro's friends take a liking to him because, among other things, he is not a superfluous person like most of their boy classmates, so he doesn't have the heart to be duplicitous.
    • As Nagatoro and company find out, Senpai happens to be a heavenly cook.
    • Contrary to Nagatoro's perception of him as having a wandering eye when it comes to other girls, it's shown that to him, Nagatoro is second to none. Dude's not made of stone, but it's Nagatoro who he wants to be with.
    • Senpai is surprisingly bold whenever he gets emotional, and some of the manga's most poignant moments come from unintended but profoundly sincere utterances by Senpai.
  • His Own Worst Enemy: One of the things Nagatoro prods him about the most is the fact that he tends to give up on things before even trying. So it's not only Senpai being so negative that irritates Nagatoro, but rather that he thinks that he shouldn't correct himself from being wrong.
  • I Just Want to Be Loved:
    • It's implied to be one of the main reasons he tolerates Nagatoro. Albeit he's been ignored and bullied before, it was never done to him by a person he's utterly unable to ignore. She's too appealing to his tastes and too insistent in keeping him company.
    • Eventually, Nagatoro slowly starts realizing that his intentions towards her are more pure than what she gives him credit for.
  • I Just Want to Have Friends: Slowly, but surely, Nagatoro, Gamo-chan, Yoshi and Sakura get into his space, and he increasingly pays less and less mind about their presence there because he recognizes that they enjoy his company. It was a weird approach, but the girls are the friends he sorely craved for.
  • Informed Attractiveness: Apparently this is one of his assets, though he's none the wiser about it. Under his unkempt, nerdy appearance, he's certainly attractive enough physically to warrant protectiveness by Nagatoro, especially from her friends.
  • Insult of Endearment: Gamo-chan and Yoshi refer to him as "Paisen", which is the opposite of "Senpai", but without the reverence of the honorific.
  • Last of His Kind: In Chapter 37, it's implied that Senpai is the last remaining member of the Art Club due to the fact that when his upperclassmen began their third year, they had to focus on university exams and had to retire from the club. However, it's shown that the Club President still manages the affairs of the club.
  • Male Gaze: He can't help admiring Nagatoro's occasional Fanservice... or that of her equally attractive friends.
  • Morality Pet: He acts as one for Nagatoro and her group. Towards everybody else, they're complete Alpha Bitches that treat all other girls and boys with either disdain or indifference, but with Senpai, they act like Lovable Alpha Bitches, still being somewhat demeaning to him but also expressing occasional kindness and companionship.
  • Nerd Glasses: Wears a pair of horn-rims. In the earlier webcomics he was The Faceless (as he provided the reader's P.O.V. Cam) or he had Hidden Eyes or Blinding Bangs.
  • Nerds Are Sexy: This is one of the main reasons Nagatoro and her friends mess with him so much; he is a rather handsome young man in spite of his lack of grooming. Also, unlike most of the boys that approach Nagatoro, he is unpretentious and intellectual, if markedly wimpy and twitchy. He's just a better person than he thinks he is.
  • No Name Given: So far is only known as "Senpai." He was going to give his name to Nagatoro, but she stopped him before he could. The earliest Pixiv illustrations named him Hachiouji, and a game 774 made gave his given name as Naoto.
  • Not So Stoic:
    • As shown in Chapter 27, it's made apparent that Senpai doesn't like the notion of Nagatoro being close to other boys.
    • In Chapter 34, it's shown that he didn't appreciate the fact that Nagatoro compared him to the boy that was stalking Sakura, this being the motivation behind his acceptance to go on a pretend-date with the girl in order to spite Nagatoro.
  • Odd Friendship: With Nagatoro and her friends. They are a popular, attractive clique, and he's a dorky, nerdy loner.
  • One Head Taller: He's taller than Nagatoro, who is also the shortest in her girl group.
  • Only Child Syndrome: Senpai is the only child in his family, which may have been a factor that contributed to his isolation.
  • Only Known by Their Nickname: He was going to give his name, but Nagatoro stopped him so she could keep calling him Senpai.
  • Only Sane Man: He's the lightning rod for Nagatoro and her friends, as he's the person who questions their actions and attitudes towards their classmates. One of the interesting things about this is that even when he's wimpy and not proactive, he never cedes terrain to them and calls them out when they get too unreasonable. He is a more stalwart person than they care to notice.
  • Otaku: A fan of fanservice-heavy anime and manga, and is even drawing a manga of his own.
  • Pyrrhic Victory:
    • Senpai endeared himself to one of the most coveted groups of first-year girls at school by virtue of being liked by one of them. Problem is, they like to tease him and regularly invade his club room, depriving him of silence and comfort.
    • Senpai has sometimes shown off to Nagatoro's friends for her sake and at the cost of some of his dignity.
  • Safety in Indifference: Seems to be his philosophy, one which Nagatoro challenges.
    Senpai: For sure. I've been bullied for a long while now, so I know the way to deal with it: Avoid their gaze, close my heart, and let it pass. So I can't even remember the faces of those people I hated at all.
  • She Is Not My Girlfriend: When Gamo-chan and Sakura tease him about dating Nagatoro, or the Arts Club President being his ex, he denies it.
  • Shrinking Violet: At the start of the series, he's barely able to speak up when girls are around. He gets better.
  • Single-Target Sexuality: In spite of how noticeably more buxom Nagatoro's friends are, Senpai is considerably more attracted to Nagatoro than to them, and would much rather be with her only.
  • Spell My Name with an "S": His family name "Hachiouji" can also be spelled "Hachioji".
  • Stating the Simple Solution:
    • Nagatoro has told him more than once that he likes to run away from his weaknesses.
    • She has also told him that he's more than free to tell her to stop if he feels that she's gone too far; this is particularly poignant, as it shows just how much Senpai can endure from Nagatoro.
  • Stubborn Mule: It's shown that he'd barely bother to do anything out of his own volition, and will come up with any excuse he can to not even give it a try. This is one of the main reasons Nagatoro prods him as much as she does.
  • Supreme Chef: After Nagatoro insults his skill at making a bento lunch, the next day he creates a meal so incredible it makes those who eat it feel like they're losing their clothes.
  • What the Hell, Hero?: Nagatoro gets livid at him at the beach, when he tells her not to rub oil on his back because other people might think that they're a couple. As by doing so, he is regressing into his self-deprecation, Nagatoro starts rubbing the oil on him with her feet. If he's not going to act like a dignified person, she won't either.
  • What You Are in the Dark:
    • He constantly considers scenarios where he's bolder towards Nagatoro, often resorting to otherwise playing it safe. However, ironically enough, the less he thinks about the situation, the bolder he is in his declarations towards her.
    • Elaborating on said utterances, it's revealed by those that in spite of the more saucy circumstances they otherwise find themselves in, Senpai mostly wants to approach Nagatoro tenderly with romantic intentions. This increasingly shows Nagatoro that he may not be in it for the kinks, and that he cherishes her.
  • You Are Better Than You Think You Are: One of the hidden ethos of the series. One of Nagatoro's goals, apart from making fun of him, is to make him realize that his self-deprecation is unwarranted, and as long as he doesn't respect himself, she doesn't have to respect him either. As such, if she feels that he's somehow regressing, she'll regress to the bullying too.
  • You Keep Telling Yourself That:
    • During their "date" Sakura asks him if he has a girl he'd much rather be with in the date, and he vehemently denies it. His blush tells her otherwise, though.
    • He doesn't think his art is particularly good, even though he's a fundamentally excellent artist. This happens to be one of the things Nagatoro likes the most about him.
    • Played with. Nagatoro and her friends tease him when he shows them the Club President's painting of herself in the nude, arguing that he likes the painting for more than its artistic value, as he's trying to convince them otherwise. Dude's not fooling anyone.

Nagatoro's Friends
Yoshi, Gamo-chan and Sakura

We really do live in different worlds... it's like... jaguars barging into a mole's burrow on a whim!!
—Senpai, in reference to Nagatoro and her friends, Ch. 27

The clique of social school girls whom Nagatoro belongs to. They are considered quite beautiful and very popular, frequently rejecting boys trying to win their affection. Three have been shown in the manga so far, with a fourth (Yukko) mentioned only by name in the first chapter.
    In General 

  • Alpha Bitch: They are, together with Nagatoro, markedly attractive and maliciously scheming.
  • Art Evolution: In the early chapters, all three girls were decked out in jewelry and other accessories. Sakura also had long hair early on. When they're properly introduced to Senpai, however, much of that jewelry is gone and Sakura's hair is shorter.
  • Big Breast Pride: They mention how Nagatoro, "lacks the power," compared to themselves and the Arts Club President.
    Gamo, Sakura, and Yoshi: Might makes right!!
  • Book Dumb: By their midterms, the three of them are at risk of failing their grade.
  • Canon Foreigner: It's by the same author, but they didn't appear in the original Pixiv image-sets.
  • Character Development: Gamo-chan and Yoshi have so far spent the most time with Senpai. As such, the pair begin to show a less harsh attitude towards him, even allowing him to become a fourth person in their outings. Though they still consider him a pathetic weakling to tease when Nagatoro isn't around. At one point they even intentionally ditch a group of popular guys in order to hang out with Senpai for no particular reason.
  • Cute Little Fangs: Like Nagatoro, they also sport these when being playfully catty around Senpai (and each other). Lampshaded when Nagatoro proposes they open a cat-girl maid cafe for the school festival.
  • Early Installment Weirdness:
    • In the first chapter, Nagatoro had three friends, including a girl with a hairclip. The girl with the hairclip then disappears for 26 chapters, but re-appears in Chapter 27 without any explanation for her absence beyond Senpai internally acknowledging there are now four girls.
    • They also wore jewelry in their first appearance (a mark of juvenile delinquency in Japan), but this was toned down.
  • Evil Is Petty: When they come across a group of loud boys in the cafeteria, they exhaust their civilized resources to make them be quiet, so they go for the jugular instead. They opt to send Sakura to sweet-talk and tease each individual in the group in front of the others so that they begin fighting amongst themselves for her, which will eventually ruin their friendship and break up the group. All for the sake of quietness.
  • The Gadfly: They pick on Senpai whenever they manage to corner him alone, but flee when Nagatoro shows up.
  • Gyaru Girl: Downplayed. Their bearing may give off this vibe, overlapping with Japanese Delinquents, though Sakura looks most like the stereotypical, most common depiction of a gyaru as a tanned and likely dyed blonde. It is unclear if the girls do in fact have dyed hair, since Nagatoro is the only character so far to have black hair. They all do appear to have a less than "model student" reputation in school and wear shorter skirts (or wear them higher up) than usual, but other hallmarks like loose socks are absent. Their first appearance had them wearing jewelry which was another hallmark, but this was toned down later.
  • Hidden Depths: As Senpai slowly finds out, they are actually better and kinder girls than how they usually behave, though they seem to dispense said kindness only to people they like.
  • Hypocritical Humor: When a group that's being "loud and annoying" shows up in the cafeteria, where they usually hang out, they escape to Senpai's club room. And proceed to be "loud and annoying".
  • Japanese Delinquents; Nagatoro doesn't seem much like one on her own, but in a pack they give off an intimidating "too cool for school" vibe (for Senpai anyway). Later, according to the Arts Club President, the student council described them as a bunch of "good-for-nothings". They also have low grades except for Nagatoro.
  • Lovable Alpha Bitch: Towards Senpai, though this only applies to him because he endears himself to them. To the rest of their classmates, they are just Alpha Bitches.
  • Loving Bully: Initially, their bullying is more malicious, but in time they themselves start taking a liking to Senpai, not only due to his quirks, but also because they know that Nagatoro likes him. They also find him to be very respectful and non-threatening towards them, finding comfort with his company and ultimately considering him a friend to them.
  • Only Known by Their Nickname: Like Senpai, their formal full names have yet to be revealed in the manga, although they are occasionally referred to by nicknames, e.g. Nagatoro is "Hayacchi," the blonde is "Yoshi," and the long-haired one is "Gamo-chan".
  • Shipper on Deck: They pick on Senpai the same way Nagatoro does, but its made clear that they're doing it to prod Nagatoro because they can tell she likes Senpai and that their interference makes her jealous.
  • The Tease:
    • Yoshi outright flirts with Senpai and offers to be his girlfriend instead, shocking Nagatoro. She also tries to stroke his fluffy hair, but is foiled.
    • Gamo-chan outright forces Senpai to grope her chest, pushing it up seductively while the other friend holds him in place.
    • Sakura usually appeals to his kindness and lures him with niceties and praises. It's later shown that she uses those as a weapon in other circumstances, but in Senpai's case, she is being friendly.
  • Those Two Guys: Yoshi and Gamo-chan are rarely seen apart from each other. It's later revealed that they're in the same first-year class while Nagatoro and Sakura are in another.
  • The Vamp: Both aren't above using their bodies to tempt Senpai into "cheating" on Nagatoro.
  • What Does She See in Him?: They realize Nagatoro has a serious interest in Senpai. What they can't understand is why she gives him so much attention: what makes him worth her time. So they tease him the same manner she does, to figure out what makes him so appealing. Nagatoro's hidden fear is they start to like him or he reciprocates their advances.
  • Wrong Genre Savvy: They seem to think that they're part of a Mean Girls-esque posse where they as a group gang up on one target for bullying. Unfortunately for everyone else in the equation, they don't seem to notice that Nagatoro's picking on Senpai for a different reason and would rather they butt out.


We've said so much, but... isn't he (Senpai) more like an insect than a slave? (...) But ya kno'... seems like he isn't even a man.
—Gamo-chan to Nagatoro, Ch. 11

The nominal ringleader of Nagatoro's clique. She's just as aggressive in teasing Senpai as Nagatoro is, much to the latter's frustration, but doesn't have romantic tendencies for him.
  • Affectionate Nickname: Short of having her full name revealed, "Gamo-chan" constitutes this.
  • Amazonian Beauty: Shown with toned abs and musculature when in a bikini. She's also athletic enough to attempt racing Nagatoro in a swimming contest.
  • Blind Without Them: Played with and implied. The fourth official comic anthology features a comic where she encounters Senpai outside school, and has to squint to recognize him, implying that she scowls because she has a bad eyesight.
  • Buxom Is Better: Has the largest bust size of the girls, at least early on.
  • Cleans Up Nicely: She and Sakura are very stylish unlike Nagatoro (who doesn't care about that stuff), and Yoshi (who doesn't groom).
  • Cool Big Sis: Figuratively to her circle of friends and classmates, and literally in her family, as she's the oldest child of 3.
  • Curtains Match the Window: She has fiery orange hair and eyes.
  • Fascinating Eyebrow: To go with her smug sneer which she often sports. More often it's a fascinating eyelid which is higher than the other.
  • Fiery Redhead: If the official calendar is anything to go by, she's one.
  • The Gadfly: She's one to Nagatoro. After realizing Nagatoro has feelings for Senpai (and vice versa), she pulls unique pranks to help their relationship.
  • Hidden Purpose Test: Most of her interactions with Senpai serve to gauge Nagatoro's reaction, and she's not shy in overstepping the boundaries or being rude to Senpai to rouse Nagatoro.
  • Insistent Terminology: Of the three friends, she's the only one who always gets the honorific "-chan" attached to her name or nickname (the feminine equivalent of "-kun") for some reason. It's always like that in the cast list.
  • Insult of Endearment: Calls Senpai "Paisen". Reversing the syllables is considered to be rude and sarcastic.
  • Japanese Delinquents: Played with. In her clique, she's the one who looks and behaves the most like a delinquent. However, it's shown to be more of a stylistic choice for her.
  • Jerk with a Heart of Gold: She's the strongest bully of the other three girls and in a profile it's stated that she likes to mock people. She tends to be the most vicious critic of Senpai, questioning his sexual drive and manliness on several occasions. However it's insinuated to be an act, as doing so causes Nagatoro to go the extra mile in proving he's a worthy guy and ultimately bringing the pair closer together. She only insults Senpai in this manner when Nagatoro can hear it, never when he's alone and she can't defend him.
  • The Leader: Though Nagatoro is the main heroine, she appears to be the leader of their clique. The others follow her lead when ganging up on Senpai when Nagatoro won't "share" teasing with them.
    • She generally backs down in most situations, but is not afraid to fight Nagatoro when they really disagree. It often throws Yoshi into confusion because she's equally close to both of them.
  • Multicolored Hair: Her hair is dark orange on the roots, and turns lighter in a gradient towards the tips. It's not known whether she dyes it.
  • The Reliable One: The fourth official comic anthology states that she personally organized the whole "Toro-Neko" skit, and that among her friends and classmates, she is seen as a Cool Big Sis.
  • Replacement Flat Character: Before character development set in, she came across as one to the Nagatoro of the original image-sets, who was more overtly cruel with her insults. Hammering it home, Nagatoro tells her that she's going too far.
  • Show Some Leg: She's the most sexually confident of the girls and doesn't get embarrassed from showing Senpai her body up close and personal. She even has hints of exhibitionist tendencies when teasing him.
  • Situational Sociability: Gamo-chan only picks on Senpai or emasculates him whenever Nagatoro is within earshot or when he's not being proactive. She does this not actually aiming at him, but rather, to prod Nagatoro by proxy when she gets offended for him.
  • Smile of Approval: She smiles happily whenever Senpai shows a little backbone or Nagatoro does something that brings them a little closer together.
  • Smug Smiler: Often sports a sneering toothy grin.
  • Tomboy: Played with. Albeit she's tall, shapely and has good looks, she's not very girly. However, in spite of her appearance and attitude, she's not shown doing stuff that would be considered "tomboyish". In comparison, she's less of a tomboy than Nagatoro herself, while looking more like one.
  • Unkempt Beauty: Unlike her friends, she has shaggy, unkempt hair. Her beauty comes from her height and imposing figure.


Senpai, how far have you gone with Hayacchi? (...) How cute~ (...) Hey, Senpai, do you want to go out with me too?
—Yoshi, Ch. 11

Somewhat of a sidekick within Nagatoro's clique, "Yoshi" frequently copies or repeats what her friends say and do. She tries to be social and being The Matchmaker for her friends, with mixed results.
  • Affectionate Nickname: Played with. It's not know whether "Yoshi" is short for her name or her last name, or whether is short for anything to begin with.
  • Animal Lover: The fourth official comic anthology shows that she's very dedicated to her dog, and has several items of clothes that feature an image of it.
  • Animal Motifs: Played for laughs. In one of the extra chapters, it's shown that her miniature dachshund looks exactly like her. She's the human equivalent of a yappy lapdog.
  • Art Evolution: She had a modest bust in her first few appearances.
  • The Baby of the Bunch: According to the fourth official comic anthology, she's the youngest among her group of friends, and the youngest overall named character in the manga.
  • Buxom Is Better: Though she is less statuesque than the taller Gamo-chan, Yoshi is very shapely on her own. She appears to have the bigger chest in more recent chapters. However, her bosom does have some consequences (see D-Cup Distress).
  • Cat Smile: Frequently has the expression.
  • Catch Phrase: "Hilarious!" and "Lewd!"
  • Closet Geek: She can identify the Fusion Dance from Dragon Ball Z.
  • Curtains Match the Window: She has ochre eyes and hair.
  • D-Cup Distress: Implied Trope. In an example of Truth in Television, she's sometimes drawn a little hunched, suggesting by her posture that her "girls" have some mass pulling down.
  • The Ditz: She's described in a profile as a natural airhead who just loves Gamo-chan.
  • The Drag-Along: She rarely, if ever, does anything out of her own volition. She's a follower through and through. She's always indecisive whenever someone asks her what she wants to do, rather than what Gamo-chan or Nagatoro wants to do. When push comes to shove she'll first defer to Gamo-chan for guidance, then Nagatoro if that fails.
  • Dumb Blonde: Has a vacant open-mouthed Cat Smile, often parrots what her long-haired friend says, and has blonde Girlish Pigtails to match.
  • Early Installment Weirdness: Played with and subverted. In chapter 6, she hangs with Nagatoro and two guys who were interested in her without Gamo-chan in sight. Furthermore, she is less ditzy, planning the aforementioned get together on her own and lacks many of the silly quirks that Yoshi tends to be known for. It's later implied in the fourth official comic anthology that she may have invited Nagatoro precisely because she herself is too shy and meek to deal with boys on her own in spite of her desire to do so.
  • Easily Impressed: She tends to be excited about whatever has Gamo-chan's attention, even when the item or event in question is relatively mundane.
  • Expressive Hair: Her pigtails fly up when she's surprised or excited.
  • Faster Than They Look: She's rather quick and the person who captures Senpai whenever he tries to run away from the group. She also outran the President during the school marathon, at least briefly.
  • Girls Love Stuffed Animals: She collects stuffed animals and is easily bribed when offered a rare or expensive one.
  • Hidden Depths:
    • It's implied that she's sweeter, more innocent and more physically affectionate than she shows, this being one of the reasons Nagatoro is so wary of her getting close to Senpai. The fourth official comic anthology describes her as "actually a pure and kind girl".
    • She is initially shown to be more socially-driven than any of her friends, often being the catalyst for them to interact with other classmates, or otherwise, bail; however, in the fourth official anthology, it's shown that she's actually rather bad at talking with boys when her friends are not around, this being the possible impetus for her to become more social.
    • As shown in the fourth anthology, Yoshi is very shy whenever she's on her own, explaining why she parrots everything Gamo-chan says. She's also mentioned to be very bad at talking to boys on her own.
    • The fourth anthology also states that she likes cutesy stuff, and that she contributed the "cute" aspect of the "Toro-Neko" skit.
    • She's a dog lover and owns a miniature dachshund.
  • Insult of Endearment: Calls Senpai "Paisen," because Gamo-chan says it.
  • Lovable Coward: She has the spine of an earthworm and is the first to get nervous and flustered when things aren't looking good.
  • No Sense of Personal Space: She desperately wants to play with Senpai's fluffy hair, but gets stopped by Nagatoro every time she tries.
  • Only Child Syndrome: Yoshi is an only child, which may contribute to her dependence on her friends and her meekness when alone.
  • Running Gag: She has several of them.
    • She tends to repeat the last word of what Gamo-chan says.
    • She wants to run her hands through Senpai hair because it's enticingly fluffy.
  • Scylla and Charybdis: Whenever Nagatoro and Gamo-chan fight, Yoshi tends to get caught in between, usually alongside Senpai (which is a weird aspect they have in common). She's not very good at handling her friends when they're angry.
  • Situational Sociability: As mentioned in other trope entries, Yoshi only acts up whenever her friends are around. She's an otherwise meek girl when alone.
  • Twintails: Her default hairstyle.
  • Wardrobe Flaw of Characterization: Her free time wardrobe consists of a t-shirt, shorts and sneakers/sandals, meaning, she's not one to groom herself.

LEFT: Appearance in Chapter 1; RIGHT: appearance in Chapter 27+

Hey~ Hey~ What are you playing? A game? Teach me how to play? XX-kun is so funny~ let's play together sometime~ (...) YY-kun, you're such a great teacher~ I'd love to get a lesson from you~
—Sakura, Ch. 32, sowing seeds of jealousy

Sakura is the least seen member of Nagatoro's clique, as she has an after school part-time job. Though first introduced in Chapter 1, she isn't seen after Chapter 2 until Chapter 27. Once discovering Senpai is the person the other girls had been teasing, she quickly joins in the mayhem.
  • Affectionate Nickname: Invoked and subverted. Sakura is the only girl in Nagatoro's clique who doesn't have one (as Yoshi's is ambiguous).
  • Art Evolution: She was originally shown with long hair that extended beyond her shoulders. It's later stated that she cut it just because she felt like it.
  • Bitch in Sheep's Clothing: Played with. She has a rather sweet and coy personality, but uses this to manipulate people. In one of the compilations, she's described in a profile as haraguro ("two-faced"), nice on the outside but cruel inside. The girls apparently use her to sow seeds of jealousy on groups of boys they find annoying or loud, as she flirts with them and lets them fight among themselves over her, separating them and gaining silence and space in return. She later makes an effort to befriend one such group for real.
  • Cat Smile: Frequently has the expression.
  • Character Development: She ends up befriending the VR club boys she tried to break up once she realized that her actions carried on consequences she could not control.
  • Cleans Up Nicely: Albeit she's already markedly pretty, she dresses up for Senpai for their pretend-date. Much like Gamo-chan, she's very stylish.
  • Cool Big Sis: Alongside Gamo-chan, due to her calm nature. She's also the oldest child in her home, having a little brother.
  • Coy, Girlish Flirt Pose: She is a master of them and uses it on every boy she talks to, Senpai included.
  • Daddy's Girl: The fourth official comic anthology shows her being accompanied by an older man that Senpai doesn't recognize... who turns to be her actual doting father.
  • Dark-Skinned Blond: Sports a tan like Nagatoro and appears to have blonde hair like Yoshi.
  • Didn't Think This Through: On Chapter 34, she flirts so much with a group of boys that one of them begins stalking her. In a later chapter, she ultimately befriends them.
  • The Ditz: She tends to speak as if she's half-awake or spacing out.
  • Dumb Blonde: Played with. Unlike Yoshi, Sakura is not dumb, but she's lazy and procrastinating.
  • Exhausted Eye Bags: Her eyes have a tired appearance to them. In the first chapter she mentions having a job and given her ditzy personality could be a sign of exhaustion; this also explains why she's so eager to go to mixers, as she might not be able to socialize as much as she wants. Seems to have lost them around chapter 37, as she became a more regular character.
  • First-Name Basis: She's the only character whose first name is always used to refer to her. The others have last names, nicknames and honorifics.
  • Gyaru Girl: Among the girls she fits the stereotypical gyaru mold the most, both in appearance (while Nagatoro has a tan and Yoshi appears to have blond hair, only she seems to have both; since she's not a swimmer like Nagatoro, it must be for cosmetic reasons) and personality (as she is a flirt).
  • Hidden Depths:
    • Seems to have an interest in video games and virtual reality, as after befriending its members she joins the school's VR club.
    • Sakura is a very sweet girl to the people she likes, and she's shown to be the most emotionally collected girl in her group of friends. This further implies that there's a hint of sincerity in the words that she uses to manipulate boys, as she knows what to appeal to.
  • Important Haircut: Invoked and subverted. The fourth official comic anthology states that she cut her hair just because she felt like it.
  • Locked Out of the Loop: Out of the four, she is the one that has least interacted with Senpai, so she's not quite in-the-know regarding Senpai and Nagatoro. As such, she's more openly doting of him than she should be.
  • Loving Bully: Albeit she had started manipulating some classmates in order to sow seeds of jealousy on them, after it backfired on her with one of them becoming a stalker on her, she actually made an effort and befriended them.
  • Nice Girl: Played with. She's this towards Senpai, as she's the only one of the four who doesn't treat him badly and actually praises him when it's warranted. To other guys? She's slithery like an asp.
  • Obliquely Obfuscated Occupation: She exclaims about having a job during her first appearance. Presumably it's the reason she remains absent for several chapters, and why she seems and acts so tired all the time.
  • Smug Smiler: When Senpai denies that he has a girl he'd rather be in a date with... Oh, she knows.
  • The Tease: A more passive example than the rest of her friends. She employs sweet-talking and flirting instead of a more physical approach like they do. Just so, she's the only girl in her group that doesn't treat Senpai like a pet. The other two do warn Senpai that he's being "seduced".
  • Token Romance: She isn't hesitant to flirt with the opposite sex and stated about being between boyfriends. Outside of the trouble her flirtation causes Senpai, no specifics are given about her past relationships.
  • Wardrobe Flaw of Characterization: She usually wears her school blouse with one flap out of her skirt, symbolizing her relaxed personality.
  • Wrestler in All of Us: She wants to put Senpai in a grappling hold that she demonstrates on Yoshi.


    Arts Club President
Good work. I've made some good memories thanks to you.
—Arts Club President, Ch. 37

The president of the Arts Club (referred to as "President" for short) and Senpai's upperclassman. As a third-year student, she's semi-retired from the club, as she still manages its bureaucracy and logistics.
  • The Ace: In art. Senpai states that her artwork has been selected for exhibitions and even ranked 1st in a competition with university students.
  • Aloof Dark-Haired Girl: She is tall, beautiful and somewhat intimidating, often with a cold or stern look on her face, and has dark purplish-brown hair.
  • Always Someone Better:
    • She's this for Senpai, who considers her unparalleled in her art.
    • She's also this for Nagatoro, as she's taller, shapelier and more stunning than her.
  • Animal Motifs: Rabbits/hares. This started when the girls made her wear a Playboy Bunny outfit, and later she's shown to be a fast runner. A bit of invokedFridge Brilliance also applies once her eyes were revealed to be red... like white rabbits.
  • Badass Armfold: She's often posed like this to convey her authority and demeanor, and also to support her large chest.
  • Bearer of Bad News: She comes to the Arts Club room to tell Senpai that the club is at the brink of disbandment by order of the Student Council due to the rumors surrounding the misuse of the room by rowdy students, and the fact that they only have one active member.
  • Benevolent Boss: She gives Senpai an opportunity to show her his work, thus preventing her from closing the club as per the student council's mandate. She's also quick on the uptake to realize that Nagatoro is Senpai's muse, and encourages him to pursue her.
  • Buxom Is Better: She can easily outrank Yoshi and Gamo-chan, who are in awe of her.
  • Chekhov's Gunman: The design of one of the characters in Senpai's manga seen in early chapters, including the very first, bears a strong resemblance to her. Tellingly, the manga character is depicted as parting from the protagonist, which turns out to mirror a flashback of Senpai's where she entrusts the club to him.
  • Club President: Of the Arts Club. As such, the honorific "Buchou" serves as her title.
  • The Comically Serious: She treats everything seriously while everyone else is flustered, intimidated or else taking it more lightly, especially when it comes to art.
  • Depending on the Artist: before her hair color was shown in art by 774 himself, guest artists gave her red or black hair.
  • Don't Make Me Destroy You: She states that she doesn't want to close the arts club down, but she's being forced to by the student council unless the club members stand up to the saucy rumors that have plagued it.
  • The Dreaded: Senpai is so intimidated by her that when he hears her footsteps coming from the hallway, he hides Nagatoro and her friends.
  • Even the Girls Want Her: When Senpai shows the girls a self-portrait of her which shows her rather curvy body, they're shocked and uneasy - except Sakura who blushes and says "Wow" with a heart symbol. Later, Sakura again blushes and smiles while the rest are intimidated by the sight of her in a bunny costume (which they themselves had given to her in the first place).
  • Everyone Calls Him "Barkeep": She's only known by her position since her name has yet to be properly revealed.
  • Foil
    • To Nagatoro. She's tall, shapely, dutiful and brooding, while Nagatoro is dainty, less shapely and rowdy.
    • To Senpai. She's authoritative and confident of her art beyond her own reputation, while Senpai is made out of jelly.
  • Friendly Enemy: She actually doesn't mind Nagatoro at all as long as her presence in the Arts Club room keeps Senpai artistically productive. In that respect, she's a Shipper on Deck for them, and she's a good sport even when she is challenged by Nagatoro and her friends.
  • Gag Boobs: While she's normally busty, there are several scenes that exaggerate them for comedic effect. Many of the Imagine Spots tend to show her shirt struggling to keep her breasts from popping out.
  • Graceful Loser: She's more annoyed at the Public Morals Committee for disqualifying her than she is for losing her bet with Senpai and the girls this way. She apologizes to Senpai and concedes, and even when Nagatoro and the girls gloat that they beat her and she didn't just forfeit, she agrees without a fuss. Further, she agrees to them imposing a penalty on her in the spirit of fairness despite Senpai's protests, since she had imposed a penalty on them in case they lost.
  • Heir to the Dojo: Played with. The fourth official comic anthology shows that she's her grandpa's kendo student, but she's not set to actually inherit the dojo, at least for now, since she's aiming for an art college.
  • Hellish Pupils: Her eyes flare up with concentric designs when she's agitated.
  • Hidden Depths:
    • She is shown to be very dutiful and encouraging in spite of her intimidating presence.
    • She is quick to recognize Nagatoro as Senpai's muse before he does, encouraging him not to let her get away.
    • In spite of her intimidating aura, she and Nagatoro can inadvertently get into the same goofy situations to Senpai's discomfort.
    • One of the reasons she hounds on Senpai is due to the fact that she knows that he is a potentially excellent and prolific artist, and will stop at nothing to encourage him. It's also implied to be the main reason she kept the Arts Club running in spite of Senpai being the only member.
    • She's shown to be a good runner during a school marathon, despite her chosen school activity being non-physical, and much despite her choice of outfit (she's wearing a bunny girl costume while running).
  • Home Nudist: When she's practicing Kendo at home.
  • Huge Schoolgirl: She easily towers over the cast.
  • I Want My Beloved to Be Happy: Played with, since it's not clear if her feelings are romantic. At the very least she respects Senpai as a fellow artist and he seems to have been her only kohai in the club, but she's also more than aware that Senpai holds affections for Nagatoro now, so she encourages him to treat Nagatoro as his muse.
  • Implied Love Interest: There are several hints that Senpai has/had a crush on her. She served as an inspiration for the self-insert main character's love interest in Senpai's manga. Also Senpai's behavior and thoughts are of fondness when she comes to mind. He is both intimidated and glad to see her in person after a long time, until his mood is deflated when she gets mad at him.
  • Insult of Endearment: Nagatoro refers to her as "that Bunny/Hare Girl" due to a revealing bunny outfit she wears. In response, she refers to Nagatoro as "that Cat Girl".
  • It's Personal: It's implied that she's personally offended at the fact that Senpai may have been abusing her trust on him and misusing the place she's been providing to him to pursue his art.
  • Jerkass Has a Point:
    • Played with. She berates Senpai due to the rumors of misuse of the room by non-club members (which happens to be true), and that this has made him unproductive (which is a rough assumption that is false). Nagatoro calls her out on that last one.
    • Senpai later justifies her anger, as he tells the girls that it was both his and their fault together. That they eked out of her anger doesn't mean that they didn't do the deed.
  • Jerk with a Heart of Gold: Turns out, she's a surprisingly good sport towards Nagatoro and friends in spite of how she came off in her introduction, and further interactions show that she too wants to make Senpai climb out of his funk.
  • Large Ham: She can get all dramatic when she's fired up about art.
  • Mentor Archetype:
    • She is one of the reasons Senpai is in the Arts Club, as she provided him inspiration and encouragement.
    • Manifests in a Stern Teacher kind of way. She's a no-nonsense disciplinarian who takes Senpai to task for apparently not taking the club seriously and letting outsider delinquent-ish girls use it as their hangout, and is prepared to file for its disbandment. But she is willing to listen to what he or Nagatoro has to say for themselves, and gives Senpai a chance to prove himself and keep the club going.
    • While she challenges Senpai to beat her in an art contest with the future of the club at stake, she also pushes him to give it his all and embrace his artistic side to the fullest. She tells him that it's not enough to do something well, it must also involve "love", and that art is about "chasing after something".
    • Overlapping with Shipper on Deck, after the festival arc, she orders Senpai and Nagatoro to go out and sketch stuff together.
  • Modesty Towel: A surprisingly frequent look for her, as she tends to draw self-portraits in the nude at school, and covers herself in a towel when she talks to Senpai and/or Nagatoro.
  • Ms. Fanservice: Played With. What would otherwise be normal fanservice comes off as quirky due to her serious and often nonchalant manner, particularly when combined with her passion for art, including the nude human form.
    • While she has a curvy body, she dresses conservatively in school uniform with a much longer skirt than Nagatoro and the other girls.
    • The previous year, for the club's school festival exhibit, she did a self-portrait of herself in the nude (from the back, but showing sideboob and butt). According to Senpai, her painting was very popular with the boys for reasons she didn't intend, as she did it as just another art piece and she stood beside the display nonchalantly. Senpai even praises her confidence and skill in making the painting and her willingness to "sacrifice herself" by baring in the name of art. Her lack of concern about the boys' reactions may also show that she didn't care or didn't even catch on. It's clarified later that she doesn't care.
    • Senpai also argues that her nude painting itself (and thus she by proxy) is truly amazing instead of just being "amazingly lewd" as Nagatoro says, since it not only ranked high in the festival exhibition competition for being an excellent painting overall, it also did the same in exhibitions outside the school, even winning an award. He also points out that it was allowed by the school management even with its subject matter, so it was recognized as legitimate art and not merely titillating.
    • She has no qualms about talking to Senpai while she is wearing just a towel or sheet, or even taking off everything in front of him (she only stops because Nagatoro comes in) but is apparently indifferent to his unease, and she remains serious and focused.
    • For the current school festival, she does another fully nude self-portrait from the front (3/4 to be exact) with her nipples and crotch only being hidden by her hair, draped cloth, or her legs. When interviewed, she says that though some will disapprove, she truly believes that the nude body is one of the eternal themes all artists should inevitably pursue with themselves as the subject.
    • The girls make her wear a Playboy Bunny outfit as penalty for technically losing their contest. She finds it embarrassing and oppressive, but feels even more inspired to push her boundaries as an artist - which may tie in to her going fully nude in person, if not for Nagatoro.
    • She models for Senpai in a school swimsuit, so Nagatoro joins in wearing the same. They both lose their balance doing the same pose, falling on top of Senpai who cops a feel of both their chests. She's unfazed by this, only thinking Senpai has "much to learn" even as he runs off aghast. It's implied this isn't the first time she's modeled for other club members, and she tells him not to be afraid since she's wearing a swimsuit, which could imply she wore less in the past.
    • She advises Senpai to "free yourself" and seek inspiration in the outdoors, and he imagines her prancing around nude, making the same stern expression.
    • Some chapters later she sends Senpai and Nagatoro up into the mountainous woods beside the school in order to sketch, and they indeed run into her while she is completely naked, after the wind blew away her robe or sheet while she was taking reference photos. She makes no effort to cover herself in front of them, treats the situation very matter-of-factly, and was on her way to just hike down in the buff, and it's only through Scenery Censor and Barbie Doll Anatomy that it doesn't get more explicit. She objects to Senpai's assumption that she went all the way there naked but for a robe or sheet, since she went there in uniform, and then left her clothes at the mountain's base, which means she still walked that way in public for some distance.
    • She runs a school marathon wearing the same bunny outfit the girls put her in, which Senpai hopes was for artistic reasons or something. But the school did allow costumes to be worn (this is a real thing) so she technically wasn't doing anything wrong.
  • Nudity Equals Honesty: She's known for being profoundly straightforward and sincere, and for being unabashed by nudity.
  • The Muse: As stated in Implied Love Interest, she might have been the object of Senpai's artistic escapades before Nagatoro showed up.
  • Nice Girl: She may be stone-faced and curt, but she completely lacks malice. She's among the nicest characters in the story.
  • Obliviously Beautiful: Played with. She considers her body a powerful tool to convey the sense of artistic pursuit in a holistic manner, but seems largely unaware of how truly stunning she is or the effect she has on people.
  • Only Child Syndrome: She's an only child and lives in a household that includes her parents and grandparents. It's stated that she's her grandpa's kendo pupil, which contributes to her strict discipline and stern attitude.
  • Oxymoronic Being: Her behavior in particular does not match her looks. She behaves in a largely asexual manner while being sexy as hell and exuding sexiness in every inch of her artwork. Her artwork is as striking as her own indifference to it.
  • Perpetual Frowner: She is very terse and serious, showing herself with an intimidating frown or scowl most of the time. However, she is very passionate and has a true artist's soul. The few times she's seen smiling, it's likely to be art-related, like when she's feeling proud of her kohai.
  • Please Put Some Clothes On: A common reaction she elicits from Senpai and Nagatoro.
  • Reasonable Authority Figure: She is first introduced trying to find a reason not to allow the Student Council to close the club altogether, and allows Senpai an opportunity to prove himself. When she loses the competition, she gives up gracefully and actively finds ways to encourage him artistically and other ways to keep Nagatoro around him, as the girl's his inspiration.
  • The Rival: Nagatoro sees her as one for Senpai's affection, though it seems she herself doesn't look at Senpai romantically. Her main advantage is that she has his respect and admiration.
  • Sempai/Kohai: She's Senpai's upperclassman by one year and Nagatoro's by two.
  • Sexy Shirt Switch: When Senpai catches her outside naked, he offers her his dress shirt while he goes to retrieve her uniform. Then Nagatoro runs up before she even puts it on and Senpai has to say it's Not What It Looks Like.
  • Shipper on Deck: When Nagatoro runs off heartbroken after she witnessed Senpai alone with the President in a Modesty Towel, the President tells Senpai to go after Nagatoro.
  • Sitcom Arch-Nemesis: To Nagatoro, who sees her as a sort of rival over Senpai, besides being jealous of her figure. Her generally stern and cold attitude towards everyone doesn't help, but she's not actually seeking to antagonize Nagatoro, and is more than aware how important Nagatoro is to Senpai as his muse. And she seems to see Senpai as a kindred soul to be encouraged and nurtured instead of in romantic terms. Like Nagatoro she's seeking to make him a better person, but she particularly focuses on his art skills.
  • Small Role, Big Impact: She's the reason why the Arts Club has kept on running in spite of having a single member (Senpai), as she handles the logistics and bureaucracy, even after being semi-retired.
  • Statuesque Stunner: She's tall, shapely and has striking looks. Judging by her self-portraits and the reactions from those that have seen them, she's nothing short of a bombshell.
  • The Stoic: She usually shows no emotion other than frowning, which can make it hard to read her intentions over stuff like what exactly her feelings are for her kohai or if she's really a closet exhibitionist. She's only Not So Stoic when she gets passionate talking about art.
  • Toplessness from the Back: The subject of her previous year's self-portrait.
  • You Gotta Have Blue Hair: Her hair is dark purple.

    Nagatoro's sister
Every little detail about her... Aren't you interested?
—Nagatoro's sister, Ch. 59

Nagatoro's older sister. Senpai first meets her when he comes over to visit a sick Nagatoro.
  • Always Someone Better: As Senpai notices from their interactions, she's Nagatoro's "Nagatoro", and it takes her a rather small effort to make her little sister dance on top of her palm.
  • Beauty Mark: Has a mole beside her left eye.
  • Cannot Keep a Secret: In Chapter 62, she unceremoniously spills the beans and reveals that her little sister's name is Hayase.
  • Canon Foreigner: Not in the image sets. Once she appeared, it was unclear if she had replaced the older brother, who had been referenced earlier, or if both exist in the serialization. But the official fanbook restated that Hayase in fact does have both an older brother and older sister, though he has yet to be seen in the manga.
  • The Confidant: To her little sister, as she's teasingly aware of the happenings between her and Senpai. It's implied by the chapter and her treatment of her little sister that, just like when she met Senpai, she also made fun of her little sister when it came to the saucy shenanigans too.
  • Cool Big Sis: To Nagatoro, as she's implied to be a Shipper on Deck for her and Senpai.
  • First-Name Basis: With her little sister, this being the reason why Senpai learns his junior's name. Nagatoro's sister wouldn't call her by any name other than Hayase.
  • The Gadfly: In contrast to the earlier depiction of Nagatoro's brother as a Straight Man, here it runs in the family. She jokes about calling the police on Senpai for trespassing and later teases him about his and Nagatoro's relationship. She also unabashedly tells him that her little sister constantly talks about him at home.
  • Hellish Pupils: Similar to her sister at times, her irises often become completely opaque when she's being playful, making her pupils look disturbingly huge.
  • Loving Bully: Though she's an example of The Gadfly, she mostly teases her little sister and Senpai by being affectionate and coy.
  • Moment Killer: Senpai gave a subtext-littered promise to one day ask Nagatoro her first name, only for her sister to burst in and unceremoniously reveal it.
  • No Name Given: Has yet to be named, again in contrast to the older brother (who got a personal name before anyone else). Senpai privately dubs her "Big-Sis-toro" ("Anetoro").
  • Second-Hand Storytelling: Implied Trope. Considering that she playfully chides Senpai on the "perverted stuff" he does with her little sister, it's hinted that Nagatoro has tried to paint him as a pervert, only for her big sister to find it obvious that it was Nagatoro who started the teasing to begin with every time. Of course, big sis finds this endlessly amusing from them.
  • Shipper on Deck: She reveals that she's Nagatoro's confidant of sorts and offers to tell Senpai more about Nagatoro if he wants.

    Public Morals Committee Chair
This is too immoral!
—Public Morals Committee Chair, Ch. 46

A short girl with a bob cut who heads the Public Morals Committee of the student council.
  • Cute Little Fangs: Has one in her second appearance.
  • Deus ex Machina: She and the committee basically come out of nowhere to disqualify the Arts Club President's painting for being too erotic, leading to the contest between her and Senpai to be a sort of "Shaggy Dog" Story. While their presence was a bit foreshadowed because the previous painting was said to be allowed, none of the characters expected the contest to end that way.
  • Faceless Masses: Has no facial features in her first appearance, but does in her second, which might indicate she'll be recurring in the future. Or not.
  • Moral Guardians: Serves as this for the students.
  • No Name Given: No title expressly given either, but she seems to be the one in charge so it's inferred.
  • Small Role, Big Impact: Has only appeared at the end and start of two chapters, but it's for the resolution to one of the story arcs.

    Ai Mashiro
From now on, you'll have to listen to everything I say...
—Ai Mashiro, Ch. 54

Secretary of the student council who is bullied by the Student Council President until she turns the tables on him.

...Am I interrupting something?
—Ichiro, Going Home with Nagatoro 2

A guy who Nagatoro claims is her real boyfriend to Senpai's despair in one of the early Pixiv sets. Actually her older brother.
  • Locked Out of the Loop: He's roped into Nagatoro's scheme by simply picking her up at school at her request, and he seems to be mostly clueless about how sadistic his little sister can be, only aware that she's "a little weird".
  • Mistaken for Romance: Enforced by Nagatoro, who also shows Senpai a cellphone picture of them being affectionate.
  • Meaningful Name: His name can mean "firstborn son".
  • Mythology Gag: To date, he has yet to be seen in the serialization, though Nagatoro has mentioned him a few times. When she invites Senpai over to her house after they get soaked in the rain, she gives him one of her brother's shirts to wear, and they play video games in his room. Later she gives Senpai a haircut, saying that she's done the same for her brother.
  • Shipper on Deck: Upon being formally introduced to Senpai, he tells him to take care of Nagatoro. Justified since the two are explicitly going out in this version.
  • Spell My Name with an "S": "Ichiro" could also be spelled "Ichirou".
  • Straight Man: Seems to be a normal guy.

Alternative Title(s): Ijiranaide Nagatoro San


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