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The main characters from the Arachnid manga and its spinoff Caterpillar.


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From Arachnid:

    Alice Fujii 

Alice Fujii (藤井 有栖; Fujii Arisu)

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"A person who harbors ugly jealousies, lies to others, and kills... There really is no way someone like that can make friends."

A kind but deadly Ordinary High-School Student with an unusual mental disorder named Congenital Excessive Concentration that she can control to enhance her reflexes and learning skills. Alice seeks to take her family register back from the Organization and to protect herself and her friends from their assassins, even if she has to kill some people along the way. She wields a pistol that fires a knife which spreads strings around her. Both the blade and the strings are controlled by hand gestures and sound commands with perfect precision thanks to her brain condition.


  • Achilles' Heel: The thread from the Kumoito can be controlled from a distance by sound commands. Others who know of this could use it to their advantage, but this never actually comes into play: Imomushi shows her knowledge of this weakness when she disables the strings set to constrain Amenbo but doesn't act on it once she fights Alice. And when Suzumebachi did something to disable her strings, it turned out he was precisely stabbing them with his stings.
  • Action Girl: Alice successfully takes on lots of danguerous assassins all on her own, often by turning their own weapons against them and while enduring harsh wounds from previous battles. Then she goes and kills all of Japan with a shovel.
  • All Webbed Up: Alice often uses her threads to immobilize people, although not to the extent that they become completely coccooned.
  • Ambiguously Gay: Alice doesn't show romantic interest in any guys (though, granted, there aren't that many male characters to begin with), but she does have a fair amount of Les Yay with Goki, Yoriko, and Kuramoto. In fact, at a few points, Alice all but says she's in love with the roach girl.
  • And I Must Scream: She gets paralysed by Sasori, but Yoriko distracts her for long enough to Alice to regain some control over her body.
  • An Axe to Grind: The teaser for the sequel shows Alice with a hatchet on her backpack.
  • Animal Motifs: Spiders in general, unlike most of the other characters who only get analogies with a single insect species. Due to this, Alice's abilities are much more versatile than anyone else's. She also often does things similar to the behavior of spiders that are not apparent at first and comments on how their predatory nature applies to herself.
  • Anti Heroine: Of the pragmatic and not soft kind.
  • Apologizes a Lot: Acts like this in conversations with Yoriko.
  • Armor-Piercing Slap: Hits Dinoponera with her bloody palm after faking not being able to avoid her attacks. Up until then, no one had been able to harm or intimidate Dinoponera.
  • Ass-Kicking Pose: She usually just stands still with an expressionless, zoned out look while countering attacks and moving Kumoito around, but sometimes she crouches in a pose reminiscent of Spider-Man.
  • Attempted Rape: From her uncle at the beginning. By coincidence, he gets interrupted and killed by Kumo. Later, she has to keep many mooks and assassins and eventually practically the entire country from getting their hands on her.
  • Attention Deficit... Ooh, Shiny!: Her Congenital Excessive Concentration is a fancy and controllable way of having Attention Deficit Disorder. Or rather, an inversion of it in which she frequently becomes too focused on something while forgetting about everything else for hours.
  • Awesomeness by Analysis: Figures out by herself how Dinoponera's C.D.F. ability works.
  • Awesome, but Impractical: The last kind of attack Alice uses in the story is to shoot the Kumoito across massive distances, which requires a large amount of concentration to get right and means she might not be able to retract the blade. Which is what happens when she makes it fly miles away to kill Ginyanma.
  • Badass Adorable: She can be very cute when she's not out fighting for her life with a murderous gaze.
  • Badass Back: Due to her ability and the sensors on her weapon, she doesn't need to be looking at her opponents to attack or avoid them.
  • Badass Boast:
    • While outperforming and bitch slapping Dinoponera, Alice gives a long character-defining "World of Cardboard" Speech in realization that her misfortunes were all a part of somebody's plan:
    "The reason I'm being targetted by the Organization... isn't because we were of low social status, nor is it because of my uncle's debts. It wasn't because of stuff like that. Having all those things happen together was frightening. But now I've realized... If they wanted to kill me, they could've quickly done so. But they've killed my mother, killed my uncle, took my home, targetted my friend and dragged me into this game. Instead of killing me, they wanted to torture me. In other words, somebody hates me and has decided to target me so that I would hate them from the bottom of my heart. "My enemy" certainly exists. That's why I can't just run. To stay alive I have no choice but to find and kill them. If you get in my way I'll kill you as well. No matter how strong the enemy is or how many there are, I won't let them have their way. To protect myself, I'll fight. That is how a spider lives."
    • Another memorable one when defeating Suzumebachi:
    "I will become the fang. And like the tarantula who crushes its prey with brute force, I will swing down and pierce through him."
  • Badass Bookworm: She reads on her free time, but she avoids long books to not lose control over her ability and spend too much time reading them without noticing.
  • Badass Creed: Her "kill to survive" motto.
  • Bandage Babe: Alice wears an eyepatch for a while after her battle against Hibiki. She's embarrassed about looking beaten up, but Yoriko and Oki beg to differ. Then later, when she's captured during the Arachnid Hunt and taken to Sara, Alice is left naked aside from some bandages patching up the pokes Dinoponera did on her limbs and butt.
    Yoriko: You need to be stylish! And bandages look cool anyway!
    Oki: It's needed to be moe!
  • Berserk Button: Becomes violent when people try to kill her or threaten her friends.
  • Beware the Nice Ones: Can be awfully nice and forgiving, but is ruthless in combat.
  • Blessed with Suck/Cursed with Awesome: It took 15 years for her to even be taught about what C.E.C. was and how to control it. As great as it can be to become the world's greatest assassin in two weeks, Alice really never asked for it and would rather have a normal life than to be constantly fighting off crazy insect people.
  • Blood Knight: Alice eventually embraces how violent her life has become and takes satisfaction in tearing through crowds of maniacs in a lawless Japan.
  • Born Winner/The Gift: Congenital Excessive Concentration is a hereditary condition that had always affected her. Dinoponera antagonizes Alice over this during their battle.
  • Bottomless Magazines: The Kumoito is revealed to be, somehow, a Living Weapon that endlessly produces string.
  • Brainwashed and Crazy: Alice got a very deep mind-controlling kiss from Queen Kuramoto in chapter 61... and it didn't affect her at all because Alice already had an idea of how to prevent the effect.
  • Break the Cutie: Alice had a awful life up to the point Kumo taught her to control her ability. Then he makes her kill him. And she has to fight the Organization alone. And Yoriko is killed. And people just won't stop trying to rape her. And her real father Suzumebachi is revealed to have been forced into abandoning her before being suddenly killed. And Yoriko is actually alive, at fault for everything and tries to kill Alice twice. To top it all, as Yoriko is then killed for real, Alice sees she's actually happy that her only friend will get a chance at a normal life after all.
  • Bring My Brown Pants: Alice loses control of her bladder while Dinoponera tortures her. The ant ridicules her for doing this, but she doesn't go unpunished for too long.
  • Brought Down to Badass: After all the insane wire techniques she pulls through the series, Alice loses the Kumoito's blade after killing Ginyanma and ends the story facing an endless horde of rapist zombies with her bare hands and a shovel. Knowing her, even in such a state she should be fine.
  • But Now I Must Go: Some time after the Arachnid Hunt, Alice quietly leaves Oki's underground bunker to fight the zombie apocalypse on her own. Alice had resigned herself to being a lone wolf on a life of violence and couldn't bear the thought of snapping and killing her only friend left for any reason.
  • Calling Your Attacks: Alice mostly doesn't call her attacks while fighting, but her traps have names that she explains after using them.
  • The Cameo: Makes a brief random appearance in chapter 74 of Caterpillar during a narration about cockroaches. She's wearing the same clothes shown in a flashback from the main story that took place around the same time as the prequel.
  • Catchphrase: Hers is that in order to survive, she has no choice but to kill.
  • Charles Atlas Superpower: With training, she turned a troublesome mental disorder into a superpower.
  • Classical Anti-Hero: Alice is rather clumsy outside of her fighting mode, has practically no social skills and feels guilty for the troubles she brings for being a target of the Organization. She only kills in self-defense and even tries to resolve conflicts peacefully when possible because she doesn't feel happy about being a murderer.
  • Clingy Jealous Girl: What does Alice have to say about Oki assaulting another girl?
    "O-Oki-san... ARE YOU FINE WITH ANYONE, AS LONG AS IT'S A GIRL!?"
  • Clothing Damage:
    • Sometimes gets hit by this trope for the sake of fanservice. The lack of damage to her body when she gets slashed is kinda justified by her using threads as improvised armor.
    • The teaser for the sequel shows Alice marching onwards in a very worn out outfit. It is the apocalypse after all.
  • Combat Pragmatist: She's a damn good Trap Master, so some underhanded tatics are to be expected.
  • Conveniently an Orphan: The deaths of her mother and uncle kickstart the plot. Alice later reasons that wasn't a coincidence and somebody, for some reason, is sparing no expense to ruin her life.
  • Cosmic Plaything: Poor Alice was fated from birth to be a pawn of the Organization. The entire story is just a serial escalation of misfortune for her.
  • Crazy-Prepared: Thanks to her "Congenital Excessive Concentration" and string skills, she can trap and defeat people when they least expect it. Hell, it turns out Alice not only had nearly the whole school covered in traps before the Arachnid Hunt, but she was already aware of Kuramoto's identity during her capture because she had set a thread on Kuramoto just before they got separated.
  • Creepy Good: Most of the cast is afraid of her prodigious talent for killing and her invincible fighting style.
  • Crouching Moron, Hidden Badass: Can be clumsy when not fighting or using her ability correctly.
  • Cute and Psycho: When she's serious about killing.
  • Cute Bruiser: Alice mainly relies on her wire traps, but can fight hand to hand very well when needed.
  • Cute Clumsy Girl: When outside of her fighting mode.
  • Dark and Troubled Past: Was despised by everyone due to her odd mental disorder and had to live with her drunken, abusive uncle after her mother committed suicide.
  • Deadly Lunge: Taking notes from the Salticidae spider family, Alice often leaps at her enemies when she goes berserk.
  • Death from Above: How she defeats Suzumebachi. Unable to reliably fight him up close or set any restraining traps, Alice suddenly shoots the Kumoito high into the sky, only for it to simply fall back and cut him down.
  • Death Glare: Alice has a piercing, psychotic glare with rippling and glowing eyes when she's really angry or intending to kill.
  • Deer in the Headlights: Even before she trained her ability, one good thing about it was that she could focus on finding a solution to deadly situations and act on it instead of just freezing up.
  • Defeating the Undefeatable: She defeats Dinoponera, who was in a winning streak against everyone else.
  • Determinator: Alice is driven to survive no matter what. Even when she takes absurd amounts of damage from people like Hibiki and Dinoponera, she doesn't stay down until she gets them to give up.
  • Die or Fly: Her first offensive use of C.E.C. was to attack Kumo, who wanted to kill her for witnessing her uncle's death.
  • Disability Superpower: Her "Congenital Excessive Concentration", which causes Alice to single-mindedly concentrate on the most inconvenient things. With training, though, it allows her to enter a controllable hyper aware state and formulate battle strategies in seconds, and serves as arguably her greatest weapon.
  • Disappeared Dad: He died before she was born. But turns out to be Suzumebachi, of all people.
  • Drama-Preserving Handicap:
    • Sara wisely takes the Kumoito away from Alice when she's finally captured. This ends up not mattering because Alice had set strings on Kuramoto's neck in advance and activates them to kill her, rendering the army ants powerless.
    • At the end of the series, Alice sacrifices the Kumoito to kill Ginyanma and becomes helpless when Yoriko tries to throw her off the building. She only survives because Kabutomushi and Oki rescue her.
  • Empathic Weapon: The Kumoito is a Living Weapon that will wrap and kill its wielder if not properly tamed. Once Alice masters it, she becomes able to extend all of her senses through the threads.
  • Establishing Character Moment: She's presented as a clumsy and helpless girl... who tries to chomp an assassin's neck off to survive.
  • Et Tu, Brute?: Her reaction to discovering Kuramoto and Yoriko deceived her all along, though Alice doesn't despair over it like the first wanted her to. Instead she's very angry and in the latter's case, is also dumbfounded at their various... quirks.
  • Exotic Eye Designs: Rippling pupils indicate her use of Congenital Excessive Concentration. Waving irises are for Concentration Driving Force.
  • Eye Scream: Looking back, Alice has something of a taste for ripping eyeballs off. She does it at least thrice.
  • Fight Magnet: There is a great prize for whoever manages to kill her, but besides that Alice draws an absurd amount of hate from people just for trying to be kind.
  • First Kiss: Got a forced kiss from her uncle while he was trying to rape her and then a surprise kiss from Dinoponera. Alice later bemoans her kissing history when Sara is forcing her and Kuramoto to make out. The ensuing kiss would be the most genuine one in the story despite the situation... if Kuramoto wasn't the brainwashing ant queen and if Alice wasn't secretly aware of that. Those incidents also bring the Kiss of Death trope to mind, because those three met terrible fates after kissing black widow Alice.
  • Flash Step: Eventually surpasses Dinoponera on this, practically teleporting away from her attacks even though Dinoponera can perceive things in slow motion. It turned out that Alice was using her threads to both move herself and to make Dinoponera miss her attacks while not realizing what Alice was doing.
  • Foil: Alice here is clearly designed after Turis from Jackals, but:
    • Turis was a competent assassin but wouldn't ever try to fight anyone stronger than her or that she couldn't sneak on. Alice on the other hand will kick anyone's ass no matter what it takes.
    • Turis is a Perky Female Minion who has no problem with killing. Alice can go way crazier than her but is ultimately conflicted over her true nature.
    • Turis was very loyal to her mistress Lee Meilang and willingly went through a battle royale to earn a role as her personal bodyguard. Yoriko ruins Alice's family, further manipulates her life and puts her through the grinder of the Arachnid Hunt while posing as her best friend. Alice is outraged and wants nothing to do with her.
  • Friendless Background: Was tormented by everyone due to her mental disorder.
  • Full-Name Basis: Most of the cast calls her "Fujii Alice", except for Oki who calls her "Alice-sama". Dinoponera also called her Alice at first, but then fell into this when she got mad at her. It might have something to do with how Alice refused to let those Unpeople claim her identity.
  • Gaining the Will to Kill: Alice tried to kill Yoriko to get confortable with her new lifestyle, but failed, threw up and had a brief breakdown. Her first kill is Kumo, at his own request. Spiderlings of certain species do in fact eat their mother to grow, awaken their hunting instincts or avoid being eaten by them - like how Kumo attacked Alice.
  • The Ghost: Once Caterpillar catches up to the events of Arachnid, Alice only appears in person at the very end.
  • Girl with Psycho Weapon: A girl who wields a very versatile knifegun.
  • Glowing Eyes of Doom: Her grey-yellow eyes light up when she's using Congenital Excessive Concentration, as depicted in the cover for volume 10.
  • Golf Clubbing: In chapter 13, she uses Kumoito to grab an odd nailed golf club a man is holding and swing it at his eye. Way more noteworthy than the plain nailed bats that were also flying around.
  • Good Is Not Soft: Although she didn't intend to kill Oki and Dinoponera, she makes it clear that she could and punishes them hard.
  • Grappling-Hook Pistol: Alice uses the Kumoito for this purpose at least once.
  • Gray Eyes
  • Guile Heroine: Handles her fights like a very cunning huntress.
  • Guns Are Worthless: Alice was taught to use firearms in the beginning and wields a normal gun at least thrice. Afterwards, her skillful knifegun wire traps render it obsolete.
  • Heartbroken Badass: Gets forced to kill her master, thinks her mother commited suicide because of her, loses Yoriko, kills Kuramoto and loses Yoriko again and so on but doesn't lose her fighting edge.
  • Heartwarming Orphan: Alice looks and acts the part, but everyone hates her. Most people ignore and bully her, Yoriko dislikes how Alice let her orphaned state define herself, Dinoponera doesn't care about her sob stories and Kuramoto gets internally mad at Alice pretending her issues are no big deal.
  • Hellish Pupils: Gets both the recurring rippling pupil and iris effects when she's furious.
  • Heroic BSoD: Once Yoriko is killed by Sasori, Alice gets upset. After Alice avenges her, she goes blind with grief and carelessly charges against the invading student mob which are able to overwhelm and knock her down. However, it turned out being captured was part of her plan to defeat Kuramoto.
  • Heroic Second Wind: Defeated Hibiki in a desperate need to stay alive, finally overcame Dinoponera by removing some tangentially related weight off her conscience and shrugged off being repeatedly stabbed with poison for the second time in the same day to turn the tables on Suzumebachi.
  • Heroic Self-Deprecation: Alice hates herself for being dishonest and distrusting towards Yoriko and Oki for selfish reasons. She's also wary of her own mental stability and believes she could become a threat to both of them.
  • Honor Before Reason: Refusing to sell her name to the Organization got Alice into deep trouble. And even though she can end the Arachnid Hunt just by leaving the school at any time, Alice doesn't want to betray her friends who are still lost and in danger. She insists to personally find Yoriko and Kuramoto first.
  • Hoist by His Own Petard: How she defeats most of her enemies. The weapon she wields is also set to backfire and wrap the user if it is not controlled in the precise way only a C.E.C.-affected person would be able to.
  • How Do I Shot Web?: She had to learn from Kumo how to make the best use of her mental condition. It's a literal example because she does it by wielding a complex thread-based weapon.
  • Hyper-Awareness: Her "Congenital Excessive Concentration" makes her perceive things in great, slow-motioned detail. However, she has to train and control it to avoid being needlessly absentminded to everything else. Her range is even increased by a sensor on Kumoito that allows her to hear sounds through her threads. She later learns to improve her focus into Concentration Driving Force and becomes able to extend all of her senses through the Kumoito's threads.
  • I Am Your Opponent: Tells Dinoponera she's going to get the match she's asking so much for, so she shouldn't try to go after Oki and Yoriko.
  • I Did What I Had to Do: Even when Alice has personal reasons for killing people, she still rambles on her mind that she's doing it because she has no choice. Guess she really is a little bit crazy.
  • I Just Want to Be Free: Alice comes to realize she values her freedom over everything else and would rather risk being killed or making the whole world go to hell than letting anyone control her.
  • I Just Want to Be Normal: Alice would rather keep living as an ordinary student than deal with this insect crime organization nonsense, which might explain why she casually goes to school as usual despite knowing that at the very least Sasori and Hibiki are lurking there.
  • I Just Want to Have Friends: Alice is really happy to have made friends out of Yoriko and Oki and is constantly worried about their safety.
  • I Miss Mom: Feels guilty about her mother's suicide.
  • I Want My Mommy!: Alice cries for her mom when Dinoponera injects poison all over her limbs.
  • I Work Alone: Alice ends up facing most of her battles alone whether by choice or not. Ultimately she even leaves Goki behind out of worry that she's becoming too mentally unstable and could kill the roach without meaning it. At the end of Caterpillar, Imomushi even praises her for this.
  • Idiot Ball: Alice is usually as resourceful as any string-wielder, being able to set and spring fancy traps from nowhere and hear anything going on a sizable radius around her. However, she occasionally makes short-sighted decisions and gets caught off-guard in ways that her abilities really should have been able to prevent.
  • Impaled Palm: As early as the Kamakiri fight. Also of note is when she gets her palms, arms, legs and butt impaled by Dinoponera's venomous needles. Those wounds from Dino actually left scars on her.
  • Impaled with Extreme Prejudice: And not long after that, Suzumebachi comes with more rapid-fire stabbing on Alice's pressure points.
  • Improbable Aiming Skills: If Alice concentrates really hard, she can cut down people who are standing kilometers away from her.
  • Improbable Weapon User: The Kumoito (Spider's Thread) that she received from Kumo is a Grappling-Hook Pistol that fires a blade hooked to a length of resistant spider-silk. Once she fires it she can use her concentration ability to control the blade and make it fly around to spread countless traps in what seems like instants without anyone noticing. It can hit harder than a bullet, has apparently infinite ammo and she has control over any thread in the vicinity even when the pistol is taken away from her. Improbable, indeed.
  • Indy Ploy: Although she's usually the Crazy-Prepared type, she's once described as not planning in advance while reacting to attacks in Bullet Time.
  • Informed Flaw: The story doesn't do a very good job of convincing the reader that Alice will eventually turn evil or that she already was inherently as rotten as the people she fights.
  • Instant Expert: The defining trait of Alice's C.E.C. condition turns out to be how it affects her learning skills. Under Kumo's tutelage, Alice figures how to use it and learns eveything he knows in the most productive two weeks ever. She later says she only needs a couple of days to master Dinoponera's C.D.F. concentration method, but is soon using it to great effect against Sasori.
  • It Gets Easier: Alice tried to kill Yoriko as revenge for her bullying and to get used to her new job, only to miss and feel sick enough to vomit. She gets better at it once she kills Kumo and Kamakiri, but she does avoid killing her enemies if she can and isn't too proud about being an assassin.
  • It's All My Fault: How she feels about Yoriko and Oki's lives being threatened because assassins are attacking her.
  • It's Personal: Sasori kills Yoriko and states that Alice too is going to die like her mother did. Needless to say, Alice gets pissed off and hangs her in revenge.
  • Kick the Son of a Bitch: Survival-driven Alice doesn't really find her killings excusable, but they all count under this trope. Including how she beat up and got close to killing Yoriko, Oki and Dinoponera.
  • Killing Intent: Alice becomes bloodthirsty whenever people threaten her life and always has a plan to kill anyone she meets, but it's not like she goes out of control. She only kills if she can't avoid it.
  • Knew It All Along: By placing her threads on Kuramoto, Alice became aware that she and Sara were in cahoots with each other.
  • Knife Nut: The Kumoito is a knifegun. Although Alice rarely stabs anyone with it, the blade can tear through people like butter as it flies. Like the fangs of a tarantula, as she puts it.
  • Know When to Fold 'Em: When Suzumebachi appears and disables her threads to keep her from attacking Sara, Alice finds him too intimidating and just escapes with Kuramoto.
  • Legacy Character: Alice is Kumo's apprentice and is trained to use the Kumoito and his spider techniques. She might even be a distant successor to Turis Flag from Jackals.
  • Lightning Bruiser: Her fighting style makes this trait less noticeable than on Oki and Dinoponera, but Alice has been trained in hand-to-hand combat, is physically resilient and also faster than Oki.
  • Little Miss Badass: 15 years-old and "A natural-born killer".
  • Luminescent Blush: Gets tomato-red when she's embarrassed or worried.
  • Made of Iron: Gets attacked by one assassin after another and endures a lot of damage but keeps going. Nevermind the horrible pain and much less the neurotoxins of the dinoponera and hornet poisons she gets repeatedly stung with. It seems to help that she often puts some thread under her clothes or around herself as armor.
  • Martial/Technical Pacifist: Although Alice is fine with killing for the sake of survival, she only fights in self-defense and will try to spare opponents if she can afford it. Just don't screw with her too much or she will follow through with her threats.
  • Mini Dress Of Power: Her blue school uniform.
  • Missing Mom: Her mother committed suicide due to depression. Alice is traumatized about it and can't clearly remember that incident's details. When Alice remembers, she realizes her mother must actually have been assassinated by the Organization.
  • My Kung-Fu Is Stronger Than Yours: Anything the other characters can do, Alice can do better via Awesomeness by Analysis.
  • Nature vs. Nurture: Several characters insist that with her concentration powers and a strong desire to live freely, Alice would've turned into a monster even if the Organization hadn't ruined her life.
  • Near-Death Experience: She sure felt like this when Kumo tried to kill her when they first met.
  • Neck Snap: Kills Kuramoto by crushing her neck with thread. Would she have done the same to Oki had the roach chickened out or betrayed her back when she tried to convince Hibiki to leave them alone?...
  • New Powers as the Plot Demands: No matter how dire the crisis, the Alice Fujii spider always comes up with some technique she learned from Kumo in her two weeks of training. Meanwhile, most of the other characters are limited to a single species of a insect to get their techniques from.
  • Nice Girl: Despite being willing to kill people, she would rather avoid it and is usually very polite and friendly.
  • No, I Am Behind You: Taunts Dinoponera with this maneuver.
  • No Social Skills: She was enough of a shut-in to not even know what a shopping mall is.
  • Nothing Personal: Alice sheepishly tells her teacher Amenbo she's glad that she somehow survived being drowned while trapped underwater, despite Amenbo having tried to kill her.
  • Obfuscating Stupidity: Dinoponera notes that Alice fights in a sloppy way to distract and bait her opponents into the traps she sets.
  • Offscreen Teleportation: On the moment she begins to outperform Dinoponera, she goes from being unconscious with Dinoponera sitting on her to somehow standing far behind the ant girl, who hadn't even finished standing up.
  • One-Woman Army: One scene has Alice say that unlike Kabutomushi her abilities are not good for fighting large groups of people, which doesn't make a lick of sense. Thanks to her amazing spatial awareness and traps, she can take down a dozen people while barely moving. The series even ends with Alice fighting hordes of zombies on her own, without using Kumoito.
  • Only Sane Woman: For someone who's repeatedly called a natural-born bloodthirsty murderer who's always thinking up ways to kill everyone she meets, Alice is very reasonable and never really does anything that could make her unsympathetic to the reader.
  • Ordinary High-School Student: Who becomes a spider-themed assassin.
  • Oxygenated Underwater Bubbles: Like the Diving Bell Spider, Alice is able to collect air on her webs to survive underwater. She uses this to trick and defeat Amenbo.
  • Panty Shot: Notably, it's after Oki flips her skirt and raids her other panties that Alice begins wearing pantyhose.
  • People Puppets: She can trap people with her threads to force them to move against their will. And if Alice happens to be paralysed or too hurt to move, she can pull herself around too. She calls it "Marionette del Ragno" in chapter 49.
  • Pose of Supplication: Apologizes to Oki with this pose, feeling guilty about Oki and Yoriko being involved in her assassin troubles. In a much sadder scene, she falls to her knees over Yoriko's "corpse" and doesn't even get any peace to mourn her.
  • Post-Victory Collapse:
    • Alice faints some time after fighting Hibiki and is taken home by Oki.
    • Being so wounded that she has to pull herself around with strings, Alice collapses right after scaring Dinoponera away. While trying to help Alice, Kabutomushi realizes she is actually luring her into a trap because she doesn't trust her yet.
    • After killing Ginyanma, Alice falls on her back yet again. Yoriko picks her up, but only so she can throw poor Alice off the school's rooftop.
  • Power Copying: After understanding how Dinoponera's Concentration Driving Force works, Alice takes it for herself.
  • Power Incontinence: If left unckecked, her C.E.C. makes her space out and not pay attention to anything but what she is currently thinking or looking at.
  • Powers in the First Episode: Learned how to control her mental disorder in the first volume.
  • Pragmatic Heroine: She is willing to kill as a last resort to protect herself and her friends.
  • Privileged Rival: Alice had a troubled but average life before she quickly learned to use to use her mental disorder as a power, so she becomes this trope in the eyes of Dinoponera, who had been fighting for years before she awakened her ability.
  • Proper Tights with a Skirt: Alice starts wearing those after the panty raid attempts from Goki.
  • Properly Paranoid: Alice sets traps everywhere she goes and puts nooses on everyone she meets. It pays off.
  • Razor Floss: While Alice's strings aren't sharp like the usual examples of this trope nor do they have fantastical aspects such as turning herself or her surroundings into string, she still has a Paranoia Fuel-heavy weapon that allows her to control the environment as she pleases without anyone noticing. Her enemies regularly stumble on layers upon layers of traps set from out of nowhere and get restrained and controled or outright hanged and neck-snapped. The strings can also be used as tools to craft barriers, collect underwater air and detect sounds in a 20m radius.
  • Recursive Ammo: Can make her strings unravel into a web of thinner ones that go unnoticed by the other assassins with Super Senses. They of course remain, somehow, as resistant as usual.
  • Red Oni, Blue Oni: The blue to Dinoponera's red. Alice cools her head to concentrate and work up her string traps, though turning redder than Dinoponera is what helps her against Sasori...
  • Reluctant Fanservice Girl: Not happy at all to have her clothes torn off every few chapters.
  • Repressed Memories: Alice avoids thinking about her mother's suicide and often gets interrupted when she does, as she believes her mother had killed herself because of her. But when Alice finally comes to reflect on what happened, she realizes she was most likely not at fault.
  • Retractable Weapon: The blade on the Kumoito. The thread is often left lying around to trap Alice's enemies.
  • Reused Character Design: Of Turis Flag, the spider-themed assassin from Shinya Murata's previous work, Jackals. In fact, in an early pilot for the manga Alice really was just Turis.
  • Roaring Rampage of Revenge: It's bad enough that Sasori kills Yoriko, but then she tells Alice that she too is going to die like her mother did, which immensely enrages Alice.
  • Rose-Haired Sweetie: A dark pink-haired Shrinking Violet.
  • Sanity Slippage: Towards the end, Alice accepts she's close to her breaking point and will eventually end up killing anyone who remotely presents a threat to her.
  • Schoolgirl Lesbians: Alice all but outright says she has romantic feelings for Oki.
  • Shameful Strip: A then-villainous Oki forces Alice to strip as part of her demands for releasing Yoriko. Oki would have had Alice crawl around the school while naked for further humiliation, but thankfully it turned out Yoriko hadn't been kidnapped at all and Alice fights back. Much later, Alice is stripped by Sara's minions and is forced to have sex with a also semi-naked Kuramoto in front of them.
  • Ship Tease: Alice goes from being understandably annoyed at Oki's Stalker with a Crush tendencies to having outbursts of jealously when the roach girl is near a half-naked Geji. She also gets a little tease with Kuramoto and Dinoponera. She kills the first and is on bad terms with the latter. She also ditches Oki in the end because she's tired of people trying to jump on her and thinks being alone with Oki could only end with her unintentionally going berserk and choking the hapless roach to death.
  • Shovel Strike: Alice smashes a guy's face so hard with a shovel that his eye gets ripped out. Notably, it's the last attack she uses in the story after losing her thread-knife-gun.
  • Shrinking Violet: Has been growing out of this since Kumo died.
  • Skyward Scream: Lets out a long despairing scream after she kills Kumo.
  • Smash Sisters: With Oki, but aside from capturing Kirigirisu they spend most of the story separated, fighting on their own.
  • Smoking Is Not Cool: Tries to keep Yoriko from smoking.
  • Smug Super: Alice sometimes muses on how spiders are the deadliest of all arthropods, but her enemies are smug extraordinaries themselves and have it coming. In particular, Alice shamelessly flaunts to Dinoponera how her brain condition allows her to quickly copy and improve on the advanced concentration method Dinoponera took years to learn, just to make the previously smarmy Child Soldier reckless and easy to catch.
  • Sole Survivor: After her uncle is killed, she has no relatives left.
  • Spell My Name with an "S": Fujii/Fuji.
  • Stepford Smiler: Alice tends to be rather shy and depressed, but when Kuramoto talks to her about her family and bullying issues, she smiles and acts like all of it is no big deal.
  • Story-Breaker Power: Alice eats Crazy-Prepared for breakfast and is an Instant Expert who's very creative with her threads, so no matter how bad things seem to be for her she tends to turn the tides against her enemies all on her own with some impressive counter attack or a strategy she had planned in advance.
  • Stunned Silence: A sizable amount of panels in Chapter 68 are of a speechless Alice gawking at Yoriko's countless absurd revelations.
  • Super Drowning Skills: She can't swim. Good thing her sports teacher is willing to train her alone after class, eh?
  • Super Reflexes: She has this as an effect of C.E.C.. From her perspective, it's like Time Stands Still.
  • Super Speed: She's very agile and her concentration ability allows her to do cut corners and catch up to people like Oki.
  • Superpower Lottery: Alice's C.E.C. ability gives her incredibly heightened senses to avoid any danger and make life or death decisions on the fly. It allows her to control her string weapon with surgical precision and overwhelm people with traps. Most importantly, she can absorb decades' worth of knowledge in a short amount of time.
  • Sympathy for the Devil: Despite all the trouble Dinoponera caused and knowing nothing about what she went though, after trapping her Alice can't bring herself to hurt her any further, since she's now a sobbing wreck who's begging for mercy and crying about how she just wanted a friend.
  • Tender Tears: Often cries Tears of Joy out of concern for her friends, especially when Yoriko doesn't think badly of her for having killed before and remains her friend. Those become Broken Tears not too long after Sasori makes her presence known.
  • These Hands Have Killed: Despite her mindset that she has to kill to survive, she's actually very ashamed for having killed at least two people. She feels she's suffering from Sanity Slippage and can't truly become friends with Yoriko and Oki because of it.
  • Took a Level in Badass: Begins as a normal girl, but is trained to kill and grows more skilled from each battle.
  • Trademark Favorite Food: It's implied early on that she likes pudding. Oki later confirms that Alice loves it "more than the three main meals".
  • Tragic Keepsake: The Kumoito, after Kumo's death. She also keeps an amusement park ticket that her mother gave her some time before she supposedly killed herself.
  • Training from Hell: Alice had no choice but to become Kumo's apprentice and receive strict training from him. Fortunately for her, she's a very fast learner.
  • Tranquil Fury: Even in her worst moments of ire, Alice cools down into this trope after some time.
  • Trap Master: She can set thread traps everywhere around her in moments and capture even the most careful and attentive of her foes.
  • Trauma Conga Line: Alice goes through a large amount of both physical and mental trauma as the story goes on. And a lot of it takes place over the course of a single day!
  • Unexpected Successor: To Kumo.
  • Unstoppable Rage: Practically burns with hate while fighting Sasori after she killed Yoriko and actually manages to see and avoid Sasori's tail attacks while staring her down the entire time.
  • Unwitting Pawn: Alice won't leave the Arachnid Hunt without Yoriko, Oki and Kuramoto. Unknowingly to her, the last one is who started this whole mess. Subverted in the long run, because Alice had set strings on Kuramoto and eventually learned about her intentions before being caught. And then it is played straight when it turns out the one behind everything, everything, is her precious friend Yoriko.
  • Victory by Endurance: She often tanks big amounts of damage and drags fights, learning her opponents' patterns and leading them to get trapped by her threads either due to carelessness or because it's that hard not to when they're all over the place.
  • What Happened to the Mouse?: Arachnid ends with a Bolivian Army Ending for Alice and the possibility that she gets captured by the Organization and imprisoned somewhere. Caterpillar, however, reveals Imomushi was helping her out.
  • The Worf Barrage: It's impressive to see her lunging at people in a most freaky way to rip their necks off, but Alice has never defeated anyone with that move and is always knocked off either during or after the leap.
  • Worf Had the Flu:
    • She seems to forget her wounds from fighting Dinoponera during her battle against Sasori, but after winning she gets overwhelmed by the brainwashed student mob that she would likely be able to defeat if she wasn't so physically and mentally drained. The truth is that by then she already knew Kuramoto was deceiving her and lost on purpose to be taken to her without raising suspicions.
    • Turns out one reason Alice was doing badly against Dinoponera is that she was concerned about a certain something she had realized at that time.
  • You Can Barely Stand: While fighting Dinoponera, Alice was so hurt that she could only move by pulling herself like a puppet. Then she made an effort to defend herself against Sara's henchman after being separated from Kabutomushi, but it was hopeless. Thankfully, Hibiki kicked him away.
  • You Gotta Have Dark Pink Hair
  • You Killed My Father: Alice doesn't care much about Kumo having killed her abusive uncle. Surpassing Kumo in two weeks, outsmarting and then holding him at gunpoint is enough payback for both that and how he kidnapped her. When Sasori reveals she had a hand on her mother's death, though, then Alice becomes livid. Furthermore, it was Suzumebachi—Alice's own father—who was told by the Boss to poison his wife to death. After he explains this the Boss has him shot dead and comes to introduce herself to Alice. The identity of this person ultimately responsible for Alice's mom's death and who just had her deadbeat dad's head blown off? Yoriko.
  • Your Cheating Heart: When she mistakenly thinks Oki was assaulting a KO'ed Geji, she accuses her of being fine "with anyone, as long as it is a girl".
  • Zettai Ryouiki: Wore Grade A for a couple of volumes, but wears pantyhose later.

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    Yoriko Tajima 

Yoriko Tajima (田嶋 頼子; Tajima Yoriko)

https://static.tvtropes.org/pmwiki/pub/images/arachyoriprofile_4898.jpg
A student who bullied Alice until she turned out to be more dangerous than expected, but then gradually became nicer after letting Alice live with her, even if initially it's just for the sake of protecting herself from the Organization.
  • Alpha Bitch: Begins the story as one, but gets better.
  • Animal Motifs: When Yoriko asks Alice if she really is the kind to murder people, a nearby spider is shown preying on a butterfly. But no, Yoriko's bug is something else...
  • Armor-Piercing Question: Asked Alice if a person with a personality like hers could really be a murderer. Alice only agreed with her to avoid souring their relationship.
  • The Bully: She abused Alice in the beginning to the point Alice considered killing her, but after the first encounter with Sasori, Yoriko has to keep Alice with her for protection and the two begin to get along.
  • The Chick: Doesn't have a very nice personality to match the trope but isn't a fighter and encourages Alice and Oki from a distance, while also being a reason Alice tries to not get too carried away with her killing instinct.
  • Damsel in Distress: It's subverted in the first time because Oki lied about kidnapping her. Yoriko does try to stay out of harm's way when Alice is fighting other assassins, but is still vulnerable to this trope. At least it seems the assassins, or at least Jigabachi, have been told to not kill her. Because unknowingly to them, she is their boss. This doesn't keep Jigabachi from trying to fry her brain, Dinoponera from wanting to stab her or Sasori from trying to poison her to death.
  • Dark and Troubled Past: Had a lonely childhood thanks to the death of her mother and her father's neglect. What's really going on, though, is that over the past decades running the Organization, Yoriko has barely had any friends or a family to care about.
  • Defeat Equals Friendship: Gets beaten up by Alice and becomes her friend.
  • Defrosting Ice Queen: Despite their rough start, Yoriko comes to care for Alice as a friend.
  • Don't You Dare Pity Me!: Yoriko tells Alice that they shouldn't let their family issues bother them, but to her annoyance Alice still sheds a tear upon hearing of her past.
  • Easily Forgiven: Since Alice can beat her up, almost killed her in revenge and Yoriko lets homeless Alice live with her, Alice forgave Yoriko for all the bullying she did. Alice is desperate about having friends, after all. But not so much that she'd brush off Yoriko turning out to be the Manipulative Bitch who ruined her family.
  • Forehead of Doom: Oki makes fun of Yoriko's hairstyle, calling her "Miss Forehead".
  • Heel–Face Turn: After almost having her brains blown out, bullying Alice doesn't seem so fun anymore.
  • Hidden Depths: She's actually the Organization's boss and has been living for over a century.
  • Jerkass: Introduced as a horrible bully, but she becomes softer, if still rude, after Alice beats some sense into her.
  • Living Emotional Crutch: Alice really treasures her and is desperate to personally get her safe-and-sound out of the Arachnid Hunt.
  • Minor Living Alone: Lived alone until she took Alice and Oki in, due to having no contact with her father or stepmother.
  • Mugging the Monster: This happens once Alice learns to fight. She retaliates against Yoriko and almost kills her. However, Yoriko already knew Alice, the daughter of Suzumebachi, was being trained by Kumo and was very likely becoming very a danguerous person, so this looks even dumber in hindsight.
  • Near-Death Experience: Alice tackled her into a wall and would have shot her to death if she didn't break down due to feeling so sick at the idea of killing someone.
  • Non Action Girl: The best Yoriko can do is a Kabuto Slide of sorts by flailing a mop around.
  • Not So Different: Yoriko comes to admit that both herself and Alice suffer from having no family and figures she should treat her better, as long as Alice learns to stand up for herself.
  • Odd Friendship: This grumpy delinquent becomes close with the rather murderous Shrinking Violet she bullied for little to no reason. Even when Yoriko's adamance at getting rid of Alice for knowing too much gets herself killed, she dies telling Alice she cares about her.
  • Only Sane Woman: It speaks volumes that the cruel bully from the beginning is one of the few sane people in the story. Or is she?
  • Ordinary High-School Student: She's just a normal delinquent student...
  • Parental Abandonment: Her mother died and her father left her alone for unknown reasons. She says she doesn't get along well with her stepmother either. The truth is that Yoriko lost her real family long ago. The man who looked like her father was actually her adopted son, who was to kill himself and be replaced by Polistes Wasp.
  • Perpetual Frowner: Looks serious or annoyed most of the time.
  • Really Dead Montage: After Sasori poisons Yoriko to death, Alice cries over her body while reminiscing their times spent together... only for Yoriko to survive, reveal herself as the true big bad and try to throw Alice off the school before being blown off by Kabutomushi. A heartbroken Alice goes over the same thoughts again as Yoriko is about to die for real.
  • "The Reason You Suck" Speech: Has the guts to call out Dinoponera of all people on how she is being such a troublesome bitch to Alice.
  • Smoking Is Cool: Alice disagrees, though.
  • Surprisingly Sudden Death: When Alice asks if they can still be friends despite her being a murderer, Yoriko replies that yes, she doesn't mind that about her. The next thing a very happy and thankful Alice sees is a huge scorpion tail stinging Yoriko, who immediately falls dead... for a while.
  • Took a Level in Kindness: After she stops bullying Alice, she does consider Alice and Oki her friends and later admits it to Alice.
  • Troubling Unchildlike Behavior: Yoriko already was mean and cynical in her childhood. This is a hint that she didn't actually have the mind of a child.
  • Tsundere: Towards Alice.
  • When She Smiles: Sometimes shows her more caring side to Alice. In fact, it's the last thing she does.

    Cockroach/Gokiburi 

Cockroach, Megumi Oki (ゴキブリ; Gokiburi, 沖 めぐみ; Oki Megumi)

https://static.tvtropes.org/pmwiki/pub/images/arachokiprofile_3462.jpg
A quiet student from Alice's class who turns out to be a sadomasochistic lesbian girl and a member of the Organization. Gokiburi is sent by Hibiki to kill Alice but tries to enslave her instead. After being defeated, she's taken home by Alice and becomes devoted to her. Oki has various abilities related to cockroaches, from their high speed, strength and durability to how they can react to sudden shifts in air current and become slippery by sweating lots of oil. She has been trained by Kabutomushi, who once tasked her with assassinating Imomushi.
  • Abhorrent Admirer: Alice doesn't seem very bothered by the perverted attention she gets from Oki, other than restraining her with thread if she gets too clingy. And she doesn't want Oki to lust after anyone else. She doesn't even care that Goki wants to rape her as much as everyone else, and only leaves at the end because she's afraid of going mad and killing Goki for any reason.
  • Airplane Arms: Runs with her arms behind herself.
  • All Webbed Up: Alice finds that just tying her sound-detecting string to Oki's finger isn't enough to make her behave, so she completely wraps Oki in thread once.
  • Animal Motifs: A perverted cockroach girl.
  • Animal-Themed Superbeing: When a baby Goki was about to starve to death from being abandoned by her parents, she caught sight of a cockroach and her body subconciously adapted into having that bug's characteristics.
  • Attempted Rape: When Hibiki sent his goons to perform a "purification cerimony" on her, but Alice put an end to that. At the end, though, Goki plans to repay this by "forcefully raping" Alice herself, which is Played for Laughs.
  • Badass Adorable: A cute roach who's good at wrestling.
  • Badass Back: She has a habit of turning her back to people when she stands behind them.
  • Badass Gay: Has the hots for Alice and will fight anyone for her sake.
  • Big Damn Heroes:
    • When Kabutomushi is having a hard time fighting Dorcus titanus, Goki gets to bring Kabuto's secret weapon to her.
    • "Saved" Alice from Hibiki, who actually had just rescued Alice from Sara and the Media army ants.
    • She and Kabutomushi rescue Alice from certain death at the end of Arachnid.
  • Big Ol' Eyebrows: Hers are thicker than the other girls' eyebrows. This doesn't apply to her appearance in the prequel.
  • Bondage Is Bad: Goki enjoys dominating her opponents and at one point is dressed in a dominatrix outfit to torture Yoriko. Sometimes she claims she gets off on being hated and humiliated, but Goki never actually displays Too Kinky to Torture traits when she's being beaten up.
  • Brainwashed and Crazy: Oki's personality seems to remain the same when she's mind-controlled by Anabachi, but she's forced to see him as Alice. She's affected to the point that she doesn't notice how strange "Alice"'s orders are and gladly attempts to torture Yoriko when "she" asks even though Anabachi is explaining the situation to Yoriko right in front of her.
  • Bridal Carry: Carries Alice and Yoriko like this while taking them away from danger.
  • Bring My Brown Pants: Oki wets herself when Alice overpowers her and fires a gun too close to her face.
  • Butt-Monkey: Oki is the one who gets into some of the most embarrassing situations in both stories and basically gets her butt kicked constantly. In the prequel, all she does is stand to the side looking cute and scared of whatever Kabutomushi is currently handling.
  • Calling Your Attacks: Says the name of her abilities out loud.
  • Catchphrase: Hers is saying that she enjoys being hated.
  • Charles Atlas Superpower: She's been trained to detect air pressure changes, to fight while unconscious and to... sweat lots of oil from her skin?
  • Child Soldier: Presumably got taken in by the Organization and endured Kabutomushi's training at Pomario since she was a little kid.
  • Clingy Jealous Girl: Since Alice is so unpopular, Oki doesn't need to be jealous of her until Kuramoto and Dinoponera come along.
  • Crazy-Prepared: Was taught by Kabutomushi to use her oil secretion ability to leave a trail for Kabuto to follow in case she needed help. And even if Oki becomes unconscious, she can still attack randomly.
  • Cute and Psycho: Oki's not that bad in comparison with some of the other insect assassins who are way more deranged, but Yoriko still can't quite trust her personality.
  • Cute Bruiser: She's much stronger than she looks. An artwork even depicts her doing pushups while Kabutomushi is sitting on her and lifting weights.
  • Damsel in Distress: When she got defeated by Hibiki and Kirigirisu, but Alice was already nearby to help in both fights. She is once again beaten up and captured along with Geji in chapter 60.
  • Dark Action Girl
  • Dark and Troubled Past: Before being taken to an orphanage, Gokiburi was left to die alone in a wrecked home when she was just 2 years-old. This near death experience somehow awakened cockroach powers within her.
  • Death Glare: Gives murderous glares to Geji, who wanted to kill Alice, and to Dinoponera, who had kissed Alice.
  • Defeat Equals Friendship: Alice corners her and makes it clear that she could kill Oki if she wanted, but would rather have her has an ally instead.
  • Did Not Get the Girl: Amusingly enough, Alice chooses to fight an entire rape zombie apocalypse on her own instead of letting Oki exploit the moment to get her into having Sex for Solace.
  • Dumb Muscle: She has described herself as a "blockhead with enormous strength".
  • Dynamic Entry: She once came from nowhere to kick Hibiki into a hole, thinking he was a threat to Alice.
  • Easily Forgiven: Alice doesn't really trust Goki at first and keeps her under close watch (which Goki doesn't mind) while worrying that she would betray her. Alice comes to feel bad for this once she realizes Goki really would risk her own life for her sake.
  • Electric Torture: While mind-controlled, she attempts to do this to Yoriko because "Alice" asked.
  • Evil Feels Good: Gets turned on by people being angry at her.
  • Expressive Hair: Her antennae move when she reacts to something or is detecting the flow of air.
  • Faux Action Girl: When first introduced, Gokiburi acts like she's plenty skilled and even has fought some arachnid person before Alice before, which isn't ever elaborated upon. In Caterpillar, Kabutomushi also mentions Goki is among the best of her students. Looking back, though, Goki has a terrible battle performance across both series. The single person Goki defeats gets walloped alongside her when they team up afterwards.
  • Freudian Excuse: Appears to have trust issues and her general nasty personality from being abandoned by her parents as a baby.
  • Flash Step: She constantly does those.
  • Friendless Background: Had no friends before meeting Alice. Her sadomasochistic tendencies probably didn't help.
  • Get A Hold Of Yourself Woman: Oki slaps herself to quit hesitating to talk to Hibiki about not killing Alice.
  • Girl with Psycho Weapon: Wields a pair of poisoned "Goki Fang" blades in the prequel.
  • Girlish Pigtails: Wears her hair like this.
  • Girls Love Stuffed Animals: Back when she lived in an orphanage, she beat up some kids to get a bunny plush for herself. Also, in the aforementioned babyhood backstory, there was a different bunny plush close to her.
  • Go Through Me: When she defends a weakened Alice from Sasori.
  • Guns Are Worthless: Oki had a gun in the early chapters, but nevermind that...
  • Hair Antennae: She identified so much with a cockroach back when she was a poor abandoned toddler that she spontaneously got antennae and presumably the rest of her abilities with them.
  • Happiness in Slavery: After her defeat, Oki only wants to serve Alice (or so she says). It helps that Alice isn't remotely interested in having a slave, and just treats her as a friend instead.
  • Heel–Face Turn: Begins as an antagonist but becomes Alice's most loyal friend.
  • Hell-Bent for Leather: The stripperiffic dominatrix costume that for whatever reason Anabachi dressed Goki in while brainwashing her.
  • Hyper-Awareness: Uses "Air Detection" to avoid attacks by detecting changes in air direction and pressure.
  • I Just Want to Have Friends: She tells Alice that being alone is convenient for her job, but doesn't sound too happy about it and is glad to have become friends with her.
  • In-Series Nickname: Some characters shorten her codename to Goki.
  • Informed Attribute: Is supposedly a competent up-and-comer assassin when she really isn't and is supposedly a Combat Sadomasochist despite rarely if ever acting the part.
  • Irony: She seems to like telling enemies to be her slaves, but gets "enslaved" by Alice and brainwashed by Anabachi.
  • Jerk with a Heart of Jerk: Goki is plenty friendly and helpful to Alice, but the ending shows she still would rape her if she had the chance.
  • Let's You and Him Fight: Fights Imomushi in the prequel as part of her training.
  • Little Miss Badass
  • Living Emotional Crutch: Alice becomes very, very concerned about Goki's well-being, and the roach intends to exploit this to get into her pants.
  • Loners Are Freaks: She claims to love being hated, but gets (kind of) better after befriending Alice.
  • Love at First Punch: Oki got interested in Alice when she became a threat to the Organization. After being defeated and spared, Oki comes to respect and admire her more.
  • Mind-Control Eyes: She briefly gets those kind of eyes while mind-controlled by Anabachi.
  • Mini Dress Of Power: Her blue school uniform.
  • Ms. Fanservice: Her panty raid and dominatrix antics have been remarkable. And she wears a Playboy Bunny costume all the time in the prequel.
  • Muscles Are Meaningless: Is very tough despite her looks. And unlike Kabutomushi, Oki isn't augmented.
  • Nice Job Breaking It, Hero!: Oki takes Alice to rest with Yoriko inside a locked and under maintenance room when she is asked to search for Kuramoto. However, that room was set that way by Sasori to spring an ambush on Alice. And the Ant Queen has cameras everywhere and makes her servants force their way inside to rape Alice, who didn't have a chance to put a barricade on the door.
  • No, I Am Behind You: And looking the other way for good measure.
  • No Name Given: Discusses this with Alice. "Megumi Oki" is a name the Organization gave her. Given how she was abandoned as a baby, she might not even know what her birth name is, and much less care about it.
  • Not What It Looks Like: Alice walks on her while she's taking an unconscious Geji's clothes for herself. Amusingly, Alice is only disturbed because she's jealous.
  • Offhand Backhand: Hits Geji with one, then misses another while fighting Kirigirisu. That poor violin...
  • Offscreen Teleportation: Here one moment, gone the next. That's how Gokiburi is.
  • Ordinary High-School Student: Not really.
  • Panty Shot: Of note is that we see her panties when she's on the floor after being captured by Kirigirisu, even though she was stripped of her usual outfit by Anabachi and didn't take Geji's underwear while stealing her clothes. In a omake the author concludes Goki was carrying a spare pair of panties just in case something like being brainwashed and and forced to wear a bondage getup would happen.
  • Panty Thief: On her first night with Alice, she sneaks away to mess around with her beloved's panties.
  • Parental Abandonment: An omake shows her living in an orphanage when she was 5 years-old. The prequel further explains that Oki was left to die when she was 2 years-old.
  • Playboy Bunny: Oki wears a black bunny costume in the prequel.
  • Poisoned Weapons: As expected from a cockroach, her Goki Blades induce sickness on anyone she cuts. This is something she only used in the prequel, though.
  • Pose of Supplication: Apologizes to Alice with this pose after her attempt at asking for Hibiki's help goes terribly wrong. Later she drops into it again when Alice says she likes Kuramoto.
  • Reformed, but Not Tamed: She acts soft around Alice, but is not as nice to everyone else.
  • Say It with Hearts: Hearts appear in her speech bubbles on occasion, especially if she's talking to Alice.
  • Schoolgirl Psycho Lesbian: Oki fought Alice to make her a sex slave, but her psychotic crush only made her happy to surrender and work for Alice when she proved too strong.
  • Screw This, I'm Outta Here!: Imomushi and Kabutomushi's duel in the prequel ended with the latter accidentally flooding the corridor they were in. By the time the two begin to freak out and run, Goki is already miles away. She even isn't seen at all for the rest of the chapter. During the Arachnid Hunt, she considers accepting Kirigirisu's advice to immediately leave the school, but follows Alice's choice to search for Yoriko instead.
  • Sex for Solace: After the Arachnid Hunt is done with and Japan has gone to hell, Goki starts planning to make her moves on a depressed Alice — going as far as to contemplate raping the poor spider girl. Alice leaves without a word, though, and starts taking out her frustrations on the zombies instead.
  • Shameful Strip: When Goki asks the Weaver Ant triplets to help her carry the Hercules Horn over to Kabutomushi, they tell her to strip for them first. She does show off her breasts with an amusing embarrassed face, but then also strips them and takes pictures to blackmail the boys into serving her.
  • Ship Tease: With Alice, of course. There's also some Foe Romance Subtext between her and Geji, with Alice being jealous even though, Oki complimenting Geji's looks aside, the roach and the centipede don't seem really interested in each other.
  • Slave Collar: Oki tells Alice to wear one and crawl naked around the school, but she is who comes to wear it with pride after becoming Alice's "slave".
  • Smash Sisters: She helped Kabutomushi to fight Imomushi in the past. During Arachnid, Oki would like to be this with Alice, but they rarely get a chance to unite against anyone. Oki later teams up with Geji to look for Kuramoto, but that doesn't last either...
  • Smug Smiler: Plenty smug.
  • Smug Super: She's very confident about her speed, but it doesn't look all that special when a lot of the other assassins are stealthy or fast enough to seemingly teleport around in all sorts of ways.
  • Stalker with a Crush: Oki is a flirty and perverted girl who spies on Alice and steals her panties, but for someone who wanted to enslave Alice "like in the bad ending of an eroge", she does have her limits and is portrayed as very loyal and caring. Alice isn't too bothered by her friend's antics and sometimes shows that she does reciprocate Oki's feelings.
  • Stripperiffic: She spends some chapters on a leather dominatrix outfit that Anabachi made her wear after mind-controlling her.
  • Super Reflexes: Thanks to her Air Detection ability she has an easy time dodging things.
  • Super Senses: She can easily feel the direction and pressure of air and use that to dodge attacks.
  • Super Speed: She's able to run incredibly fast.
  • Super Strength: She is surprisingly strong.
  • Took a Level in Kindness: After becoming friends with Alice.
  • Training from Hell: According to her, Kabutomushi's training begins with students being knocked out until they learn to move and fight in an unconscious state.
  • Troubling Unchildlike Behavior: Already wanted slaves back when she was a little kid.
  • Villainous Breakdown: Has one when Imomushi reads her moves in the prequel and starts ineffectively swinging her knives in frustation until Kabutomushi takes over the fight.
  • Villainous Crush: Oki's crush on Alice soon results in a Heel–Face Turn and makes her behave well around the spider.
  • Unconscious Objector: If Oki gets attacked while she's unconscious, she dashes around and attacks randomly until she wakes up. Although the narrator goes into an analogy about how cockroaches have two brains to explain this ability, Kabutomushi teaches it to all of her students.
  • Undying Loyalty: She obeys whatever Alice says and this becomes a bad thing when Anabachi exploits this to brainwash Oki and make her torture Yoriko. Despite her obvious ulterior motives, by the end of the story Oki really is one of the few people who haven't manipulated, betrayed or repeatedly tried to kill Alice.
  • Use Your Head: Although Oki can fight while knocked out, it appears all she can do in that state are tackles and headbutts.
  • The Worf Effect: Oki is introduced as a formidable member of the Organization, but quickly becomes someone who's beaten up to show off the skills of new antagonists. Even her supposedly incredible speed is no big deal since most of the cast keeps popping out of nowhere behind each other. Furthermore, even Riokku, a guy who's pretty much the series' designated Jobber, scored more wins than her both in and off-panel!
  • "World of Cardboard" Speech: She tells Geji that she doesn't care about the Organization anymore and will kill or protect people as she wishes.
  • Wrestler in All of Us: Uses lariats and dropkicks as finishing moves. And holds Geji in a Cobra Twist once.
  • Yandere: Says that if Alice liked any boys, she would kill them.
  • Years Too Early: Oki uses this taunt against Alice and Anabachi, but she was declaring victory too soon. Later she says it again for real after defeating Geji. Cockroaches have been around for a very long time, after all.

From Caterpillar:

    Caterpillar/Imomushi 

Caterpillar, Miki Inou (イモムシ; Imomushi, 井上美樹; Inou Miki)

https://static.tvtropes.org/pmwiki/pub/images/arachimomushiprofile_6781.jpg
A serious, somewhat carefree and very tenacious assassin who is the protagonist of the prequel. Imomushi only kills people who are assigned to her by the Organization. Whenever her gunplay becomes ineffective, she makes use of her Super Strength and carnivorous caterpillar swings to kill her opponents. In her story, the Ageha group drawns her into a Carnival of Killers game by dividing details on her late sister Mika's death among the participating assassins.
  • Acquired Poison Immunity: People like Paraponera, Sasori and Gokiburi come to find out that any sort of toxic or sleep-inducing attacks have little effect on Imomushi. Why? Because caterpillars, man. Even in-universe it doesn't make sense!
  • Amazonian Beauty: Depicted with a toned body in Arachnid, but the second artist for Caterpillar didn't get the memo.
  • Animal Motifs: Caterpillars. Being the heroine, she gets analogies with various kinds of caterpillars rather than just a single species, like Alice does with spiders.
  • Animal-Themed Superbeing: Imomushi was always awfully strong, but the trauma of finding her sister raped to death messed up her head and granted her various caterpillar abilities.
  • Badass Adorable/Little Miss Badass: When she was younger.
  • Bare Your Midriff
  • Beauty Is Never Tarnished: More than once we are told that Imomushi is Covered with Scars, but we only ever see her bodacious form in pristine condition.
  • Berserk Button: Harm or even badmouth her sister at all and Imomushi, even as a kid, would crush you with everything and the kitchen sink.
  • Big Sister Worship: Even if they're not related by blood, Imomushi thinks the world of her older sister Mika and was very protective of her.
  • Boobs of Steel: Well-endowed and well able to pound heads into paste.
  • Calling Your Attacks: "Anchor Bolt Caterpillar"... Cannon (Headbutt)/Bullet (Punch)/Tomahawk (Elbow Drop).
  • Catchphrase: When explaining her motivations, she tends to finish with "That's the Caterpillar's rule" (not to be confused with "That's what Killing Bites is"). At the end of Caterpillar, while telling Alice to keep working alone, she changes it to "That's this world's rule".
  • Chekhov's Lecture: Advices Alice about the solution to any difficulty being within oneself. Alice recalls that throughout her misadventure enough times that she finally ends up dismissing the thought in an almost comical way.
  • Combat Pragmatist: Distracts Alice by asking embarrassing questions about her relationship with Kumo and throws a coat at her to block her view. The narration states this makes her the exact opposite of Kumo and Alice.
  • Cynicism Catalyst: Her sister's death.
  • Dark Action Girl: A tough female killer-for-hire.
  • Dark and Troubled Past: Back when Imomushi was a teen, she failed to save her sister from being strangled to death and got forcefully recruited into the Organization shortly after.
  • Demoted to Extra: Despite being hyped in her introduction scene, Imomushi doesn't get to do much in Arachnid and we only find out what became of her in the ending of the spinoff.
  • Depending on the Artist: The second artist for the spinoff depicts her differently enough from what she originally looked like that when you compare chapter 94 of Caterpillar to its equivalent in Arachnid, 36, she nearly looks like a different character.
  • The Dreaded: Bullies eventually gave up on assaulting Miki because she could curb stomp them all at once, making her feared across the school. And yet, the orphanage staff was still raping Mika behind her back...
  • Dropped a Bridge on Her: While she was busy fighting Dinoponera, Suzumebachi backstabbed Imomushi and left her for dead. She disappears from the plot of Arachnid after this, leaving her own sidestory to catch up and show what became of her.
  • Evil Overlooker: In the cover for chapter 34 of her manga.
  • Foolish Sibling, Responsible Sibling: The foolish to Mika's responsible.
  • Guns Are Worthless: She gets more mileage out of her headbutts than when she fires her gun at people. Her final battle against Paraponera is a particularly exaggerated example. It starts with her casually dodging his minigun, walloping him and holding him at gunpoint. Paraponera then flips like a ninja, beats her down and then holds her at gunpoint. And then dies from his injuries.
  • Heroine of Another Story: Is the protagonist of her own spinoff, which takes place a year before the Arachnid Hunt.
  • Hyper-Awareness: Can perceive atmospheric pressure, allowing her to avoid attacks similar to how Gokiburi does.
  • It's All My Fault: She regrets that it was for her sake that Mika died.
  • Let's You and Him Fight: Soon after she first appears in the main story, she fights Alice because of curiosity and interest on the prize for Alice's head.
  • Megaton Punch: Her punches have immense strength even when she isn't catapulting herself.
  • Metronomic Man Mashing: She swings and bashes Kabutomushi against a wall in a blind rage. By the time Imomushi realizes what happened, the beetle girl is half-buried under rubble.
  • Mythology Gag: Imomushi's signature back-and-forth swings were previously seen once in the manga Jackals from the same author.
  • Neck Lift: Defeats Alice with one.
  • No Name Given: Averted. Miki Inou is said to be her original name before she joined the Organization.
  • No-Nonsense Nemesis: Defeats Alice but lets her go, only to shoot her anyway - but Alice isn't fooled. Then when she meets Dinoponera, Imomushi tries to kill her during their conversation but it doesn't work either.
  • Now, That's Using Your Teeth!: In the prequel, Imomushi breaks Kumo's highly resistant threads by biting them. She later catches a knife thrown by Sasori with her teeth. In the main story she does the same to Alice's Kumoito and to Dinoponera's Dino Spine.
  • One-Woman Army: Specially when "that" happens to Japan at the end of the story.
  • Only in It for the Money: She has her own business to take care of in the Arachnid Hunt, but won't pass the chance to kill Alice and earn the prize money.
  • Pintsized Powerhouse: Imomushi was already able to punch heads into paste as a child.
  • Punch-Clock Villain: Refrains from killing anyone outside of her contracts, including witnesses.
  • Rape as Backstory: The tragic rape and murder of her sister which resulted in Imomushi being hired by the Organization after killing most of the ones responsible.
  • Red Oni, Blue Oni: When Alice flips out, all her moves become coldly calculated. When Imomushi flips out, she becomes a blind berserker.
  • Shameless Fanservice Girl: Fights Sasori in the nude without a hint of shame.
  • Signature Move: The Anchor Bolt Caterpillar Cannon. She nails herself to the ground and then pulls herself back and forth into a intense headbutt that's useful for both offense and evasion. It helps that enemies often give her a chance to perform the move as a counter or worse, push Imomushi down by themselves.
  • Super Strength: Enough to overpower even the strongest insect, Kabutomushi. And she was that strong even as a child.
  • Trash of the Titans: Her apartment was a sea of trash bags that a shocked Hanakamakiri immediately resolves to help clean up. Naturally, the narration relates this mess to how silkworms devolved and became unable to live on their own from being cultivated by humans to produce silk.
  • Tricked-Out Shoes: Her shoes nail themselves to the ground, allowing Imomushi to catapult herself forth and back.
  • Troubling Unchildlike Behavior: It's understandable that she was a vicious Bully Hunter to anyone who harmed her sister, but this led to tragedy as Mika got blackmailed to become a sex slave so Miki wouldn't be sent to a reformatory.
  • Unstoppable Rage: She tries to keep her anger under check as Mika often told her to. Kabutomushi in particular gets to feel what's it like when Imomushi snaps.
  • Use Your Head: Can peform powerful headbutts in a catapult motion, much like how carnivorous caterpillars of the Eupethecia genus move to catch prey.
  • What Happened to the Mouse?: Suzumebachi knocked out Imomushi with a backstab and for a long time that was the last we saw of her. Caterpillar eventually reveals Hanakamakiri got her out safely of the Ouran school.
  • The Worf Effect: Imomushi shows she's capable of defeating Alice, but is the first to get beaten up by Dinoponera.
  • Would Hurt a Child: Has no problem with trying to kill teen assassins like Oki, Alice and Dinoponera.
  • You Killed My Father: The person sending assassins after Imomushi is the woman who killed her sister. During the Arachnid Hunt, Imomushi wants to kill Suzumebachi for never telling her that Mika hadn't actually died back then.

    Orchid Mantis/Hanakamakiri 

Orchid Mantis, Kozue Shiihara (ハナカマキリ; Hanakamakiri)

https://static.tvtropes.org/pmwiki/pub/images/arachhanaprofile_1956.jpg
A young girl who provides intel and support for Imomushi after befriending her. In Arachnid she's mentioned by Imomushi as having sent her to investigate Alice's school.
  • Action Girl
  • Animal Motifs: Orchid Mantises, who are able to pretend being flowers to fool both predators and prey. This translates to Hanakamakiri being a crossdresser who uses a lot of feints and sneak attacks.
  • Attempted Rape: Gets in danger of being raped every now and then, but is well able to fight the creeps off on her own. Even Imomushi considered molesting her once and later tried to hire a (bug-themed, of course) prostitute to take Hana's virginity instead.
  • Badass Adorable: Looks pretty cutesy but is equally dangerous.
  • The Bartender: Works as one for the Organization.
  • Berserk Button: Hanakamakiri identifies as female but to her chagrin the rest of the cast doesn't care and keep referring to her as male. She tolerates Imomushi and even likes her attention, but often ends up punching or slicing people when a Unsettling Gender Reveal situation is forced on her.
  • Beware the Nice Ones: Despite her traumatic past and in contrast to almost every other assassin in either story, Hanakamakiri seems nice and of sound mind. She's also quite calculated and doesn't shy away from ruthlessly slashing her enemies.
  • But Now I Must Go: Feeling guilty over making a deal with Suzumebachi for Imomushi's protection without her knowing, Hanakamakiri leaves to parts unknown at the end of Caterpillar, much like how Alice left Oki. And like Oki, Imomushi swears to find her and claim her virginity.
  • Child Soldier: Seems to have been brought in the Organization a couple of years prior to her meeting Imomushi.
  • Cute and Psycho: Subverted. She confesses to Kinohadakamakiri she hopes to cut Imomushi's limbs like a literal caterpillar and turn her into a mindless sex slave, only for it to be a lie to distract her sadist teacher.
  • Dark and Troubled Past: Already an orphan for 4 years, Hanakamakiri lost her foster family to a robber who wanted to rape her and had to kill him when she got home from school. She was then adopted and trained as an assassin by the extremely controlling and abusive Kinohadakamakiri, who frequently raped her.
  • Death Glare: She can stun people by making eye contact with them.
  • Defensive Feint Trap: Sometimes she exploits her cuteness and falls to her knees crying, pretending to be helpless.
  • Distaff Counterpart: To vanilla Kamakiri from the main story, who died too soon. Obviously the cool mantis theme couldn't be left to waste.
  • Dude Looks Like a Lady: Thanks to Klinefelter syndrome.
  • Elegant Gothic Lolita: Dresses in such a costume.
  • Gag Penis: Something of a Running Gag in Caterpillar is people not being just surprised by what Hanakama has under her dress, but also impressed by her endowment to the point of being scared.
  • The Ghost: She is only mentioned once in Arachnid and doesn't appear on-panel, so of course the sidestory reveals she was there all along the moment Dinoponera leaves the room Suzumebachi and the knocked-out Imomushi were in.
  • Hammerspace: Hanakamakiri's scythes are huge and literally appear from out of thin air in some scenes, including one where she's naked.
  • Jack Bauer Interrogation Technique: To interrogate Nanafushi, she ties her to to a chair and leaves it barely hanging at the edge of a hole in the ship's hull, only supported by a rope tied to Nanafushi's neck.
  • Kicking Ass in All Her Finery: Wears a frilly gothloli dress and fights a bunch of people through the story.
  • Little Miss Badass: Small and cutesy but deadly.
  • Meido: Kinohadakamakiri had her wear this costume and do chores back when Hanakamakiri was her student.
  • No Name Given: Actually is named Kozue Shiihara, though that sense of self is long gone.
  • Only Sane Man: Much more sane than the other bug assassins, especially among the mantis folks.
  • Raised as the Opposite Gender: Hanakamakiri was born male but was raised as a girl due to having been born with Klinefelter syndrome. She keeps a feminine image and gets mad when outed but gets used to Imomushi, her only genuine friend, treating her like a man.
  • Rape as Backstory: Her master Kinohadakamakiri used to regularly rape her with a wire. It is implied this is actually a tradition among mantis-themed people in the Organization.
  • Sinister Scythe: She wields a pair of large mantis-themed spiked scythes. Their design was rather inconsistent and got simplified by the second artist of the spinoff, so they now lack spikes.
  • Training from Hell: Any training that involves having a Gordian worm-esque cord repeatedly being shoved up your butt to mess with your mind can only be described as this.
  • Wholesome Crossdresser: Despite her job and how everyone thinks she's a Villainous Crossdresser, she isn't a bad person.

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From both stories:

    Rhinoceros Beetle/Kabutomushi 

Rhinoceros Beetle (カブトムシ; Kabutomushi)

https://static.tvtropes.org/pmwiki/pub/images/arachkabutoprofile_4322.jpg
The Organization's self-proclaimed strongest assassin. Kabutomushi is in charge of an orphanage called Pomario where she teaches swarms of kids such as Goki how to be crazy beetle people. Ruthless and determined, with her naturally abnormal strength, cyborg enhancements and her handy Kabuto Horn halberd, Kabuto can whack just about anyone into low orbit.
  • The Ageless: Much to her annoyance, it is often hinted that Kabutomushi is actually at her mid-twenties despite her 15-years old appearance. The reasons for this are never explained.
  • Animal Motifs:
    • Japanese Rhinoceros Beetles. Who says a beetle-themed woman has to be a Ladybug? This rhino beetle girl carries a horn-themed spear and has her heart and arm bones covered in exoskeleton-like armor. Her arm spikes are meant to represent the spikes of female kabutomushis.
    • Caterpillar adds a Hercules Beetle motif when she gets the Heracles Horn. This also doubles as an Alligator motif because the blade is a variation of the Alligator owned by Roxy and Nichol in Jackals.
  • Attempted Rape: Kabutomushi gets dropped by Sara into her rape zombie basement and is surrounded by the crazy mob. She is able to fight them offscreen and eventually shows up to save Alice.
  • Badass Adorable: She has a serious attitude, but enjoys looking cute whenever she can.
  • Badass Boast: "Don't (fucking) look down on the strongest."
  • Badass Teacher: To Gokiburi and the Stag Beetle Quartet, plus many other children.
  • Belated Backstory: She's a prominent character, but a lot about her went unexplained until the prequel gave her a backstory. And even then it leaves several blank spots.
  • Berserk Button: Being called old, looked down upon or being challenged in feats of strength. She once humiliated an arm wrestling champ just because he was nicknamed "The Strongest" (he did think she actually was pretty rad). Conversely, Kumo expressing sincere respect for Kabuto gets her uncharacteristically flattered.
  • Blade Below the Shoulder: Has three retractable Kabuto Spikes on each arm. She actually injures her arms drawing them out, not that it bothers her.
  • Blade on a Stick: Fights with a "Kabuto Horn" spear, which she can swing with amazing speed.
  • Blow You Away: Kabuto can swing her spear with enough force to blow distant people off their feet, especially in cramped spaces.
  • Bodyguarding a Badass: Alice reasons Kumo hired Kabuto to protect her from large groups of enemies, against which she would have trouble if fighting on her own, especially now that she's badly hurt. It has, however, been established that Alice can handle mobs with her strings just fine.
  • Boobs of Steel: The Strongest Insect looks rather small-chested in the main story but the artist of the prequel makes her much more well-endowed.
  • Calling Your Attacks: Everything she owns or does is a "Kabuto Something".
  • Clothing Damage: Her uniform is ruined by Abu's slashes. No fanservice here, as she does get a messy wound that goes from her chest to her left leg.
  • Combat Pragmatist: Kabutomushi lies to Oki about being unarmed and takes advantage of any openings she finds as she fights. Good for her, because whenever Kabutomushi becomes overconfident and showboats before her enemies, things go spectacularly wrong for her for a reason or other.
  • Crazy-Prepared: She's known to prepare before her fights to exploit her opponents' weaknesses. She also happens to have armored organs and arms to protect herself from lethal attacks.
  • Cute Bruiser: Kabutomushi is much stronger than people like Oki because of her implanted armor.
  • Cute But Psycho: Kabutomushi is one of the less psychotic insect assassins, but does have her Ax-Crazy moments when she's provoked.
  • Dark Action Girl: Although we mostly see her in the heroine's side, Kabutomushi can be very ruthless.
  • Dark and Troubled Past: Was abandoned by her parents because they couldn't handle her and later saw her beloved parental-substitute teacher killing her best friend for kicks.
  • Death Glare: Gives scary stares whenever she drops her friendly facade or is enraged.
  • Determinator: Can endure a ton of damage and is determined to keep her word to Kumo.
  • Disney Villain Death: This has been her favorite way of killing people, from her first appearances to the end of the story.
  • Dissonant Serenity: Has polite conversations with people while waiting for a chance to strike them.
  • Double Weapon: The Hercules Horn, which is hinted at in Arachnid but is only in Caterpillar, is a massive double ended blade that can be folded to chop enemies.
  • The Dreaded: Oki's first thought upon meeting her at the Arachnid Hunt is to flee. Kabutomushi has quite the reputation as the strongest assassin, so to call Alice, Kabutomushi announces to the entire school that Oki and Yoriko are with her, knowing that few would dare to attack after hearing her name. Obviously, that happens right after.
  • Effortless Amazonian Lift: Kabutomushi carries an exhausted Alice over her shoulder for some time while still fighting the student mob. Then she proves that even as wounded as she is, she can casually lift humongous muscle men over her spear and throw them through walls.
  • Elegant Gothic Lolita: Her main outfit is a frilly red gothloli dress, but it's not actually seen much because she poses as a student in the main story and as a bunnygirl hostess in the prequel.
  • Epic Fail: Her failed uses of Kabuto Slide are Played for Laughs.
  • Eyes Always Shut: If she's talking with closed eyes and a warm smile, watch out.
  • Face Death with Dignity: Kabutomushi looked calmly resigned to her fate when Dinoponera almost turned her into a pincushion, only lamenting that she couldn't help Kumo.
  • Fiery Redhead
  • Finger Poke of Doom: Gives one to a pervert in the prequel.
  • Glacier Waif: Has the build of an ordinary 15 years-old girl, but is absurdly tough. In terms of speed, Kabutomushi can smash almost anything in her spear's range at lightning speed but isn't a teleporting ninja like most of the cast. This fits with her japanese rhino beetle motif.
  • Grievous Harm with a Body:
    • Kabutomushi turns one of Sara's own giant ant soldiers into a makeshift hammer and tries to crush her with him.
    • In the prequel, when one of the stag beetles is smashing her around, Kabutomushi manages to drop him over one of his partners instead.
  • Ground Punch: In one fight she jumps, spins and then destroys the entire room's floor with a punch.
  • Hammerspace: Kabutomushi folds her Kabuto Horn in half to hide it under her clothes, but it still looks too big to actually fit comfortably. And in the prequel she just seems to conjure it from nowhere at will.
  • Hellish Pupils: She gets the same pupil effect as concentrated Alice when she's glaring at people.
  • Herbivores Are Friendly: Dinoponera muses on how kabutomushi beetles are only called the strongest despite being non-lethal herbivores because Japan has been enjoying a period of peace. Meanwhile, the kabutomushi girl is trying to smash her into paste. She most certainly averts this trope.
  • Hot-Blooded: The most intense of this series' girls.
  • Immune to Bullets: She pretends to be heavily injured when shot down, but then stands up with a sneak attack. That infamous implanted armor of hers does, in fact, cover all of her organs.
  • Improbable Use of a Weapon: Kabutomushi wields a spear but doesn't stab anyone with it. She smashes and shoves them with the blunt side instead, like a proper rhino beetle. See, she wasn't lying about it being a mop!
  • In-Series Nickname: She asks people to call her "Kabu". Nobody does.
  • Just Shoot Him: She urges Alice to kill Dinoponera, but Alice finds it unnecessary and Dinoponera flees while the two are distracted.
  • Legacy Character: The sidestory shows a previous Kabutomushi who trained this one and that passed down to her a variant of the Alligator blade Roxy and Nichol owned decades before in Jackals.
  • Let's You and Him Fight: Shows up in the prequel with Oki to battle Imomushi.
  • Little Miss Badass: Anyone who gets in Kabutomushi's range gets shoved into next tuesday.
  • Made of Iron: Literally, as she has armor implanted over her organs and inside her arms. Even after taking a lot of damage from Abu and Dinoponera she can still defeat people twice her size like they're nothing.
  • Metronomic Man Mashing: She grabs and swings Dinoponera around much like how Riock attacked Hibiki before, but Dinoponera manages to land on her feet.
  • Mini Dress Of Power: Gets a school uniform for herself before sneaking into Alice's school.
  • Ms. Fanservice: She wears a Playboy Bunny costume in the prequel and looks bustier than she does in the main story. Gratuitous views of her assets as she wrestles Imomushi are aplenty.
  • Muscles Are Meaningless: Through the series, this trope is most noticeable in Kabutomushi. Chapter 40 of Caterpillar even has a flashback about a buff arm wrestler being unable to make the little lolita beetle even budge. And then it's shown she was always this strong.
  • Nice Job Breaking It, Hero!:
    • It's never explained why Kabutomushi took so long to go protect Alice even though she did value keeping her word to Kumo. It doesn't help that the author himself makes fun of this plot hole in one afterword.
    • Kabutomushi boasting that Alice mastered her mental disorder in two weeks without any previous combat experience makes a playful Dinoponera unexpectedly mad.
  • No-Sell: Jigabachi's nerve gas didn't affect her. According to the narrator, this is somehow due to Kabutomushi being so strong. In the prequel, it takes a sudden one-sided beatdown and crushing Kabutomushi under a ton of debris for Imomushi to even hurt her at all. And even then, she simply wipes the blood off her face and is good as new again.
  • The Nose Knows: Kabutomushi is sensitive to smells and is able to find Oki by following the barely visible trail of oil from her Oilpiration ability.
  • Not the Fall That Kills You: Just when she had cornered Sara, the floor below Kabuto breaks and she falls to the bottom of Alice's school. She breaks the fall with her spear and isn't hurt.
  • Oh, Crap!: Gets a priceless look of surprise when Dinoponera dashes through her seemingly unavoidable Kabuto Slide. A year before that, she tried the Kabuto Slide against a defenseless Imomushi... and flooded the entire corridor around them.
  • Older Than She Looks: Implied to be a young adult instead of a 15-years old schoolgirl. And it doesn't help that she does act like an adult and treats youngsters with disdain. Could it be an effect of her cyborg-ish enhancements?
  • One-Woman Army: Not only is she strong as hell, but the Kabuto Horn is also very effective against large groups of enemies.
  • Only in It for the Money: Kabutomushi doesn't work for cheap. She even threatened to not protect Alice because Kumo had paid her in advance, and only relented because he acknowledged her strength and trusted she could get the job done.
  • Parental Abandonment: Her parents couldn't handle a trouble-making girl who could tear tractors apart with her bare hands.
  • Pintsized Powerhouse: Kabutomushi was abnormally strong even as a 7 years-old girl.
  • Playboy Bunny: She wears a red bunny outfit in the prequel.
  • Production Throwback:
    • Her ownership of the Heracles Horn confirms Arachnid and Caterpillar are sequels to Jackals, and implies Alice's Kumoito is likewise related to the one Turis owned in that story.
    • The whole heart armor bit can also be traced back to Jackals, but it was more fallible there. The assassin Domino would seemingly ignore having her heart stabbed, only to get killed later when it was found out her trick was to use hallucination drugs to deceive people into thinking they had stabbed her when they hadn't.
  • Put on a Bus: Sara prevents Kabutomushi from helping Alice by making her fall into an ambush by countless brainwashed students. She can fight them handily, but has been busy offscreen for a dozen chapters. She comes Back for the Finale in Chapter 71, killing Yoriko while Oki rescues Alice. And although Kabuto isn't seen at all during the last chapter, she does appear in the epilogue.
  • Sadist Teacher: Kabutomushi makes a point of being a better person than her master who killed her best friend. But she is still infamous for beating students to such an extent that they learn to fight while knocked out. This is Played for Laughs when shown to the reader, but in a case of Offscreen Villainy most of her students are said to have died during training anyway.
  • Say It with Hearts: Often makes hearts in her speech bubbles.
  • Signature Attack: The "Kabuto Slide", in which she swings her spear very fast to cover a large area around her.
  • Smashing Watermelons: There's a beach-themed official poster of her holding a watermelon.
  • Smug Super: She's as proud of her strength as Oki is proud of her speed, but doesn't rely only on it to defeat her enemies.
  • Spotlight-Stealing Squad: Kabutomushi steals the show in the prequel as her battle against Dorcus and her squad, which is unrelated to the main plot, goes on and on.
  • Spear Plant: Has stabbed the ground with the Kabuto Horn due to various reasons. In the prequel, she does it with the Heracles Horn as a feint to fold the blade and chop somebody's leg off.
  • Super Speed: Averted. Kabutomushi is one of the few characters who aren't depicted as being able to do any speed and teleportation shenanigans. The most she can do is swing the Kabuto Horn really fast.
  • Super Strength: In physical terms, she's the strongest character in the story.
  • Thou Shalt Not Kill: Regarding this, Kabutomushi receives some strange characterization. In the prequel she is unranked among the assassins due to not ever having killed anyone as a result of childhood trauma after her teacher killed her only friend. Even so, she is pursued by some of her former students who want to avenge other children who died as a result of her training. In Arachnid proper she never mentions any of this and is always willing to use lethal force against enemies. We see no real transition between those attitudes.
  • Training from Hell:
    • It is said that one of the first things Kabutomushi does to her students is to repeatedly beat them up so badly that they learn how to fight while unconscious. The prequel shows she was indeed abusive to the children under her care to the point some of them have tried to kill her as revenge.
    • Kabuto herself endured harsh training from the previous Kabutomushi, who she resents for killing her childhood friend.
  • Transhuman: She "happens" to have the aforementioned implants inside her body and her true age is unknown.
  • Victory Through Intimidation: If possible, she overwhelms her opponents into submission without killing them.
  • Villain Ball: Imomushi's signature attack is swinging back and forth into headbutts and punches. While wrestling her, Kabutomushi herself pushes the catapult caterpillar down while mocking her and gets a massive beatdown for that mistake.
  • Weapon of Choice: Other than her Kabuto Horn spear, which she uses for fighting mobs, she briefly mentions a Hercules weapon designed for one-on-one combat. Once it finally appears in the prequel, it turns out to be a giant double sword.
  • Would Hurt a Child:
    • Regarding her students, she ended up perpetuating her teacher's cycle of abuse. It's somewhat Played for Laughs, but plenty of her students hate her for it...
    • She crushes Anabachi's head against the floor when he tries to brainwash her. That should show "Auntie" isn't fucking around...
  • The Worf Barrage: Her Kabuto Slide is shown to be an incredible One-Hit Kill, but fails hilariously against Dinoponera. In fact, in the prequel it never works.
  • The Worf Effect: Defeats the wasp duo with ease, but then gets killed instantly by Abu's techniques. Except not and she gets to demonstrate her defensive abilities to make short work of him and back up her claims of being the strongest assassin. But then she is one of four who are unable to harm Dinoponera at all. Don't worry, though, she gets to worf the hell out of the Media ants later.
  • World's Best Warrior: She's the self-proclaimed strongest Organization member. Most people fear her accordingly, except for those who think Kabutomushi doesn't really know of the world outside of Japan or look down on her because she doesn't enjoy killing.
  • Years Too Early: She uses this taunt as something of a Catchphrase in Caterpillar but not in Arachnid, oddly enough.


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