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"The ant swarm keeps growing... by attacking settlements, one after another. Shall we use the troops to eradicate them, along with the civilians? Or not? This decision... I'd like to leave it up to you, Fujii Alice-san."
— Kozue "Hanakamakiri" Shiihara
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Blattodea (ブラトデア) is a 2020 shonen manga written by Shinya Murata and illustrated by Hayami Tokisada that's published on the Gangan JOKER magazine. It is a direct sequel to Arachnid from 2009.

Alice Fujii is as miserable as ever. She might have survived the Organization's Arachnid Hunt, an assault of psychotic bug-themed assassins at her school, but also suffered no end of physical and emotional trauma without gaining anything in return. After choosing to face the outbreak of rapist zombies that overran Japan since the incident, Alice finds the Organization wants to take her as their new Boss — whether she wants it or not.

Putting that aside, newcomer Chiyuri Haijima is a bright and easygoing roach-girl who lives with a community of homeless people. Right before the Arachnid Hunt starts she makes friends with a troublesome ant-girl named Setsuna Dinoponera... Considering what happens later that day, what could be their role in all of this?

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The story requires having read Arachnid and Caterpillar beforehand to make any sense, so spoilers pertaining to them will be unmarked.


This manga features the following tropes:

  • Action Prologue: Chapter 0 is about Alice trying to survive the zombie apocalypse on her own.
  • Affectionate Gesture to the Head:
    • When Alice is crying herself to sleep in the prologue and remembers her master Kumo, there's a whole page with him patting her on the head.
    • During chapter 1, Chiyuri is thinking about how Yamato has been raising her since she's fled from the Organization, and there's likewise a small panel of him patting her head.
    • When Yamato asks Dinoponera to admit she's been infected by the zombies, Chiyuri holds her with one hand around her shoulder and the other over her head, saying she looks just fine.
  • After the End: Over a year, most of Japan has turned into a wasteland thanks to the rape zombie apocalypse provoked by the Organization. The villains use this as an excuse to further kill as many as they see fit, in order to build some sort of utopia.
  • All Men Are Perverts:
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    • Even before the outbreak. The exceptions are Chiyuri's adoptive father Yamato and his pals, but once those minor hobos are infected they act like deep down they did want to rape their adopted niece. Unlike in Arachnid, though, female zombies are also shown trying to rape people.
    • At Hibarigaoka prison, the original inmates start hollering and drooling over Chiyuri and Dinoponera as they pass by with Geji holding them at gunpoint. Chiyuri mistakes them for zombies until told otherwise. An unimpressed Kamadouma then shuts them up, if only to make misogynistic remarks about females being vile things whose beauty isn't comparable to that of men.
  • Always Someone Better:
    • In Arachnid, Alice was, by the author's own words on the final afterword, an Invincible Hero. His goal for the sequel actually was to figure out a bug that's even better than a spider, and Chiyuri the cockroach—a wild American cockroach specifically—is who he came up with. She's all-around strong, skilled and clever, as well as capable of beating Dinoponera's and Alice's pseudo-Time Stands Still technique. Rather ironic considering how Megumi the house cockroach was a Faux Action Girl in the previous stories. Furthermore, the author did research on bugs that prey on, parasite or have better attributes than spiders for Alice to fight against thoughout the story.
    • Dinoponera tearfully reflects on how she lost not only to Alice but also Sasori, all while Chiyuri wonders what could've happened to make Dino so distraught.
  • An Arm and a Leg: The story opens with Alice having just completely crippled a hapless zombie girl. In one of the next pages, there's a newspaper recommending the survivors amputate all four limbs of the not-exaclty-dead zombies.
  • An Axe to Grind: Alice lost the Kumoito and has been fighting with a hatchet instead. Oddly enough the narrator doesn't draw any comparisons between spiders and hatchets.
  • And I Must Scream:
    • After Kuramoto is killed, all her drones including Sara become brain-dead and are only able to shamble around trying to rape people. The zombie girl seen in the very beginning, for example, can only beg for more sex despite having all her limbs chopped off by Alice. So far it is left ambiguous what triggered them after they left Alice's school in a passive state (possibly Dinoponera being violated a second time and fighting back) and if they can be restored to normal. Dinoponera's poison can produce antibodies against the virus, but at the time of the prologue Chiyuri hasn't managed to bring her to Alice like Yamato asked. A vaccine in development is nonetheless mentioned in a newspaper, but Hanakamakiri lets Alice know there's been no real progress for a cure.
    • Dinoponera, who was tossed to the zombie mob while paralysed and likely experienced it in slow-motion, seemingly remains just lucid enough to try calling for Chiyuri but too weak to avoid the thugs who assault her later. Once one of them violates her, though, she suddenly springs back alive and as unhinged as ever to rape him instead. It's difficult to tell how conscious the brainwashing leaves her as she tries to attack Chiyuri with a crazed look upon finding her but suddenly turns back to normal and saves the roach when other zombies were molesting her.
  • And Now for Someone Completely Different: After catching up with Alice in the prologue, the reader is introduced to the titular "blattodea" heroine. However, she isn't Megumi Oki, but instead a new roach-girl called Chiyuri Haijima.
  • Animal Motifs: About every character has a bug motif, and once or twice per chapter the narrator will hype those critters with wild life trivia. Naturally, you can expect roaches to be treated like the apex of living beings here, even above spiders.
  • Apocalypse How: Class 0 and possibly above that. A zombie outbreak fueled by rape devastates Japan over the course of a year, reducing it to a Ghost Town of dilapidated buildings and wrecked upturned cars. The state of the rest of the world is so far unknown, but Hanakamakiri expresses worry over that and the magazine version of chapter 1 has a narration line declaring Blattodea is a "story from before the world collapsed".
  • Apologetic Attacker:
    • Chiyuri's homeless friends all end up infected. When she's suddenly groped by the first one she comes across, she knocks him down in confusion and promptly apologizes.
    • Dinoponera apologizes for killing Chiyuri's hobo friends to prevent them from raping her, but Chiyuri is too thankful to think badly of her. It doesn't help that the zombies were talking like they were grooming Chiyuri for that all along.
  • Arc Welding:
    • Arachnid and its spinoff Caterpillar were tied together by the reveal Suzumebachi and Hanakamakiri were plotting to make Alice the new Boss of the Organization. Blattodea then reveals Kirigirisu, who apparently worked for Suzumebachi and barely did anything on-panel in Arachnid, actually outplayed everyone for unknown reasons.
    • Dinoponera's 3 volumes long rampage in Arachnid had no apparent impact on the plot other than Alice stealing her ability. Blattodea then makes Dinopo very important with the reveal that the reason Suzumebachi called her was because her venom is the cure to the Queen's Rule virus.
  • Arc Words: "Freedom", which is Alice's and now also Chiyuri's goal in life.
  • As You Know: Kabutomushi explains to Alice (and the readers) that the zombie outbreak was planned by the Organization so they can throw Japan into chaos and get away with murdering countless people. This retroactively makes a comment from Gokiburi in the final chapter of Arachnid rather awkward, as she explains the exact same thing to Alice and the readers 28 days into the outbreak.
  • Asshole Victim:
    • Dinoponera was a cruel and sadistic casual killer who offed a civilian by accident, beat up half of the cast for fun and tortured Alice for petty reasons. She then had her prized time-slow technique stolen and improved by Instant Expert Alice like it was nothing, was humiliated and defeated before getting goaded into a hopeless fight against Sasori and getting tossed into a pit of rapist zombies while paralyzed and begging for her life. However, it would be unfair to say the poor child soldier had no redeeming qualities, and her portrayal in Blattodea helps humanize her further.
    • The three men who attempt to rape Chiyuri in chapter 1 later prey on a zombiefied Dinoponera who's just looking for the roach-girl but she gleefully dominates and infects all of them. Might as well cheer her on.
  • Attempted Rape: With the rapepocalypse the story is set in, rape attempts are bound to be episodic.
    • Alice nearly gets infected by the zombies in the prologue, but is saved by Hanakamakiri.
    • Chiyuri is introduced as a trio of perverts try to rape her while she's asleep, but she breaks free instantly.
    • Dinoponera is shown to have been rape-zombified offscreen after all. This gives her the dubious distinction of being the first major girl in the author's mangas that actually gets raped right after being (re)introduced. In the next chapter, while wandering around as a zombie, Dinopo is raped by one of the guys who wanted to assault Chiyuri earlier but then... she starts asserting herself.
    • Chiyuri is molested and very nearly penetrated by her infected homeless friends, but a fully conscious Dinoponera saves her in the nick of time and brutally kills the two men. There's little time to rest, though, as the two girls are still surrounded by a crowd of zombies afterwards.
    • Played for Laughs when the half zombified Dinoponera gets pushy on a sleeping Chiyuri, who just pins her down telling her to get ahold of herself. Chiyuri even says them sleeping together isn't out of the question if the ant-girl romances her properly.
  • Bag of Spilling: Alice sacrificed the Kumoito in the end of Arachnid by outsniping a sniper and ended up fighting the zombie apocalypse with her bare hands, improvised weapons and finally a hatchet. Her beloved knifegun is finally granted back to her in chapter 10 by Bekkōbachi.
  • Bait-and-Switch:
    • Chapter 8 opens with Setsuna crawling towards Chiyuri like she's relapsed back into a horny zombie, but she's just hungry for Pocky candy. In the second half of the chapter, however, she does try to rape Chiyuri for real.
    • While trying to decline the role of Organization Boss, Alice is confronted by someone who appears to be her late mother but is instead, supposedly, a distant relative.
  • Bait-and-Switch Comment:
    • When Yamato reveals he raised Chiyuri under the Organization's orders the whole time, Chiyuri is shocked... for other reasons.
      Chiyuri: I— I didn't know... I can't believe it. Master... actually had a job...
      Dinoponera: Wait, what?
    • In chapter 2, the Green Tree Ants catch Gokiburi playing with herself and ask to join the fun. She pretends to agree to have sex with them and starts angrily stomping on them instead.
  • Batman Gambit: On top of plotting for Alice to become the new Boss, Suzumebachi is said to have called Dinoponera to Japan to counter the Queen's Rule virus because her namesake ant's venom is the cure. To this end, he didn't tell her anything and expected Alice to defeat her specifically by making her stab herself. It is all but directly stated that he sent Sasori to get Dinoponera raped so her body could produce antibodies to let her resist the zombiefication and be able to help other people. Then it is only by Contrived Coincidence that Dinopo had previously met Chiyuri and Yamato to be able to learn what she is supposed to do next.
  • Beauty Is Never Tarnished: The current illustrator for the series doesn't detail scars on most female characters said to have them, leading to certain oddities.
    • Back in Arachnid, Alice had scars on her palms from the time Dinoponera repeatedly stabbed her, but in Blattodea she doesn't. On that note, neither Hayami Tokisada not the series' other illustrators ever detailed the scars Imomushi was repeatedly said to have in Caterpillar.
    • When Dinoponera is shown defeated by Alice, the spider-girl appears completely unharmed despite being all bruised and stabbed in the original story. The smear of Alice's blood left on Dinopo's cheek when she slapped her, on the other hand, is detailed like it is a bruise. This gives the wrong impression that Dinopo was utterly curb-stomped by Alice for the entire fight. It's also subverted by her short time as a braindead drooling zombie.
    • Kabutomushi is reintroduced at the point she had saved Alice from the Boss. All the injuries and damage to her uniform she suffered during the Arachnid Hunt are gone. The nearby Alice, again, doesn't look like she just had the crap beaten out of her minutes before, either.
    • Dinoponera gets a bleeding nose after Imomushi hits her with a Caterpillar Cannon headbutt. This is notable because in the previous series as well as in her fight against Chiyuri in this one no good physical hit on Dinopo would even bruise her. And this is after Chiyuri gets a whole dropkick to the face that was meant to break her neck and is briefly KO'ed but not visibly injured.
  • Big Bad Ensemble: The early chapters hint at multiple candidates for the Big Bad role in the story.
    • Kirigirisu is said to have manipulated the Arachnid Hunt behind everyone's backs so that Yoriko would die while both Alice and Sasori survived.
    • Karina Tsuji convinces Alice to become the Organization's Boss, but her Spider Wasp motif makes it obvious she's trying to use the girl as a Puppet Queen.
    • Megumi Oki of all people appears in the Sinister Surveillance role held by major antagonists in the prequels, talking about having to make ruthless decisions as a ruler and plotting to use Chiyuri as a pawn before disposing of her. Her main goal is still to find and save Alice, though, so she can't be all that evil.
  • Big Damn Heroes:
    • Hanakamakiri saves Alice from a horde of zombies with a squad of armored soldiers, and declares Alice is now the new Organization Boss.
    • Dinoponera breaks free from the Queen's Rule to save Chiyuri from getting zombified, and then Yamato appears out of nowhere to help both girls escape into the sewers.
    • Subverted when Imomushi "saves" Dinoponera from Chiyuri and starts demanding food and water while holding the girl at gunpoint. Each remembers who the other is, and Imomushi becomes the first major antagonist Dinopo and Chiyuri must face in the story.
  • Black Comedy Rape: The story seems to be going for this to avoid making the mood too bleak despite relishing in the inevitable Sequel Escalation of the attempted and successful rape scenes that actually get portrayed more graphically than in the Caterpillar seinen spinoff.
  • Bookends: The final chapter of Arachnid started with some dramatic narration about the troubles Alice had overcome and then a nude pin-up of her looking determined (Caterpillar also had an equivalent scene for Imomushi, sans nudity, for parallelism). This story opens with the narrator teasing some kind of bug that's superior to spiders and then we get another nude pin-up of Alice.
  • Boss Subtitles: Characters are introduced like this, starting with Chiyuri and Dinoponera after they fight. This instance is used to reveal "Wamongokiburi" is Chiyuri's bug codename and that "Setsuna" is Dinoponera's civilian name.
  • Break the Cutie:
    • Despite her determined closing monologue about fighting with all she's got back in Arachnid, Alice is first seen with no real goal but to survive the zombie hordes, all battered and depressed over all she's lost, being unable to sleep in peace and having no home to return to.
    • While still plenty bitchy, Dinoponera shows a kinder side to her and is a very naive girl, as she barely makes friends with Chiyuri and still thinks she'll make even more during the Arachnid Hunt. While returning readers know it was her own fault, seeing her as a nearly brain dead zombie clinging to the hope of meeting Chiyuri again is very sad. Fortunately, she resists the brainwashing to save Chiyuri and recovers some of her confidence over time while living with her.
    • Chiyuri loses her adoptive father to the zombies after having nearly getting raped by the other zombified hobos and is driven to tears as she escapes with Dinoponera. But over a year she is also back to her carefree nature thanks to Dinopo's company.
  • Building of Adventure: In chapter 12, Chiyuri and Setsuna walk up to what seems to be the setting for the battle royale to come; a huge prison where survivors are taking shelter from the zombie outbreak.
  • The Bus Came Back:
    • Dinoponera is reintroduced in chapter 1. And six real life years and two months after she got very abruptly tossed into a pit of rapist zombies at the 2/3 mark of Arachnid, she is finally seen in chapter 2 looking barely conscious and desperate to meet back with Chiyuri. In chapter 4, she comes back for real as Chiyuri's sidekick.
    • Imomushi reappears in chapter 8.5, trying to force Chiyuri and Dinopo to do as she says.
    • Gokiburi reappears in chapter 11.5, in the same role of an evil overlooker that Sara and Akiho once held.
    • After she dropped out of Arachnid with Goki offhandedly assuming she had been caught by the zombies, Geji reappears in chapter 12.5 just as suddenly as the roach-girl's subordinate in the Hibarigaoka prison shelter. Just in time to celebrate the 10th anniversary of the WataMote series.
    • Kamadouma was written out of Arachnid together with Geji but shows up under arrest at Hibarigaoka Prison in chpater 13. He looks a bit disheveled with Perma-Stubble on but is otherwise ok.
  • But Now I Must Go:
    • Alice left Gokiburi's bunker to be a killer hobo for three reasons. First, Gokiburi is just less horny and forceful than the zombies outside, and while Alice likes Goki back she was afraid of snapping and harming her. Second, she's becoming addicted to violence. Third, she doesn't feel at "home" anywhere.
    • While it goes unstated in the prologue, Hanakamakiri left her partner Imomushi because she felt she had betrayed her by making a deal with her enemy Suzumebachi to later help Alice become the Boss in exchange for him not killing Imomushi if he had the chance.
  • Call-Back:
    • Alice briefly mentions leaving Gokiburi behind and thinks about her late mother and her master Kumo.
    • Alice goes back to Kumo's house to rest. The stuffed bear she used to cope with Kumo's death is still in the same place and she even tries to take it with her while escaping from the zombies.
    • Back in Caterpillar, when Hanakamakiri was facing her master, she pretended to be as depraved as him by claiming she was following Imomushi around to cut all her limbs off. At the beginning of Blattodea, the previously Only Sane Woman Alice doing just that for real to a random zombie girl sets the tone for the story.
    • After Dinoponera leaves Chiyuri, it cuts to her being defeated by Alice at the Arachnid Hunt and some brief scenes from later, with Kuramoto's death kickstarting the zombie apocalypse.
    • Dinoponera's reaction shot upon being raped in chapter 3 mirrors the one from chapter 50 of Arachnid, except she looks disturbingly happy instead of horrified at her predicament.
    • Kabutomushi feels like she's seen Sasori before. They never interacted in Caterpillar but both escaped from the Ageha ship with Imomushi. Sasori was knocked out at the time.
    • In the afterword for volume 1, Murata mentions "what is the strongest bug?" as mankind's eternal question. This was a line from Sara back in Arachnid.
    • In chapter 4, Dinoponera rescuing Chiyuri by performing a flying kick on her assailant is an inversion of Alice being saved from Hibiki (who actually had just saved her) and the Media army ants by her own roach friend during the Arachnid Hunt. Interestingly, just two months later this scene repeated in Himenospia with the local Alice and Megumi analogues Himeno and Nagisa.
    • Dinoponera is seen stabbing one guy through his head for real like she once tried on Hibiki.
    • Back in Arachnid, Dinoponera killed a bystander while thinking he was some random assassin and shruged it off once she found the guy wasn't related to the nearby Kabutomushi or anything. In this story, Dinopo kills two of Chiyuri's hobo friends who were infected and about to rape the roach. This time she is truly sorry for what she had to do.
    • Chapter 8 starts with a crazy-looking Dinoponera crawling towards Chiyuri with the panels framing her just like the dismembered zombie girl from the prologue, but the ant-girl is just craving for Pocky sticks. It is shown the two actually are on the exact same street Alice went through, newspaper randomly blowing in the wind and all, with the difference Chiyuri has a friend by her side and is actually excited about the apocalypse she finds herself in.
    • Shortly after Dinoponera was introduced in Arachnid, Imomushi failed to hold her at gunpoint. When Imomushi is reintroduced in Blattodea, she succeeds for all of ten seconds before Dinopo starts pummeling her again... except this time she easily smashes the ant-girl's face with a headbutt. Imomushi then mocks her by calling back to a retcon from Caterpillar where she did not believe Dinoponera was stronger than her father Paraponera.
    • Alice asking Yoriko how she survived is repeated twice with Sasori a while later and then what seems like Alice's mother at the Organization's HQ. The last one is a subversion, as the woman is actually Alice's aunt.
    • In chapter 10, Hanakamakiri watches Bekkōbachi meet Alice like Mika did with Imomushi back in the ending of Caterpillar, but appears less concerned since he wants Alice to remain manipulated to be the new Boss. Chiyuri is then shown overcoming Imomushi in a contest of strength, unaware that the caterpillar is about to snap and brutally beat her as she previously did to Kabutomushi. Ironically, this means Dinopo is saddled with Gokiburi's role of being a helpless observer...
    • In chapter 11, Imomushi continues to mock Dinoponera while hyping Natural Born Murderer Alice up, unknowingly echoing a speech from Alice about how a short-sighted fighter like Dinopo is easy prey to her.
  • Call-Forward:
    • In Arachnid, Dinoponera brags to Kabutomushi she can't be defeated with pure power, and here, before the Arachnid Hunt, she boasts to Chiyuri she can't be beaten with pure speed. She even dares both of them to try and beat her with a special move.
    • Dinoponera getting walloped by Chiyuri and yet suffering no injuries from it mirrors her getting repeatedly kicked across a corridor by Hibiki during the Arachnid Hunt, with the difference that she is impressed by fellow Sailor-Force fan Chiyuri but doesn't give a damn about Kahen Rider fan Hibiki.
    • Before fighting Sasori, Alice's monologue about how she must keep killing just to live in such a Crapsack World is the same one she does in the final chapter of Arachnid. The difference is that the "I've no choice but to kill" part is only implied in the original with her just sighing in Tranquil Fury but is stated out this time with her looking utterly unhinged.
  • Character Title: "Blattodea" refers to roaches (and termites), so it works as a Protagonist Title for Chiyuri and an Antagonist Title for Megumi.
  • Charge-into-Combat Cut: Chapter 3 cuts away from Alice jumping at Sasori, which is a recurring The Worf Barrage for her. Good thing the one who blows Alice out of the air this time is Kabutomushi and not Sasori.
  • Chekhov's Skill: In a flashback to his youth, Yamato mentions a Wave Cannon ability which later turns out to be a ki blast he taught to Chiyuri. His ability to splatter the zombies with mere punches can also be seen as foreshadowing for it.
  • Cliffhanger:
    • The prologue ends with Alice being heralded as the new Organization Boss as was implied in Arachnid and then confirmed in Caterpillar, but then time is turned back to expand the open ending from Arachnid from both Alice's and Chiyuri's point of view.
    • Volume 1 ends with the zombified Dinoponera looming over a half-awake Chiyuri.
  • Clothing Damage:
    • In the prologue, Alice's uniform is worn out from what appears to be a year of fighting the zombies and her skirt goes missing between scenes.
    • Dinoponera is rape-zombiefied offscreen, and is seen afterwards with her sailor uniform rather damaged and missing the tie... even though she was specifically paralysed at the time so she wouldn't even be able to struggle.
  • Cockroaches Will Rule the Earth: Played With, as there are no actual bugs involved but Chiyuri has cockroach traits and is able to survive the zombie apocalypse with her experience as a homeless person. Meanwhile, fellow roach Megumi holds a position of authority as she plots against the heroine. This trope was previously alluded to in both Arachnid and Caterpillar, where the atomic bombings of Hiroshima, Nagasaki and the Ageha ship were used to the advantage of the bug-themed Organization.
  • Cosy Catastrophe: Over a year has passed since the "gang-rape terrorist attack" and Japan has turned into a dilapidated wasteland. Alice is still torn with grief, almost falls prey to the zombies and only then does the Organization bring her in as the new Boss. Elsewhere, Chiyuri feels her mission to find Alice and work on a cure for the outbreak is hopeless and misses her father figure a lot, but not only does she and Setsuna handle the apocalypse together far better than the spider-girl but also the roach remains awfully carefree about being homeless.
  • Covers Always Lie: Volume 1 has Alice on the cover, but while she is still very important "blattodea" stands for roaches and Chiyuri is soon introduced as the actual protagonist.
  • Crapsack World: The series' world is ruled by a shadowy Organization that either murders people they believe are worthless to absorb their assets or strips them of their identities to turn them into psychotic assassins. Alice, Dinoponera, and then Kuramoto were ultimately just three horribly traumatized girls lashing out at each other, and Kuramoto's death provoked an apocalypse scenario that the Organization expects Alice to clean up.
  • Cry Cute: Once Dinoponera starts crying Broken Tears on her knees over being raped and nearly doomed to remain a zombie, one might want to brush off how bitchy she was in the previous story and give her a hug.
  • Damsel in Distress: The zombified Dinoponera turns out to be a Damsel out of Distress who suddenly recovers her senses to save Chiyuri from also suffering that fate.
  • Darker and Edgier: The story has gore and on-panel rape both depicted more graphically than in Arachnid, and from Alice's perspective things are still quite hopeless. On the other hand, Chiyuri is brighter than the spider-girl and she brings the best out of Dinoponera, so from their perspective the story goes on a more idealistic angle.
  • A Date with Rosie Palms: In chapter 12, Gokiburi relieves herself to a surprisingly plain picture of her clueless Japanese Spider-Girl while rambling about wanting to confort her instead of taking her by force. The Tsumugiari triplets barge in hoping to "play doctor" with her, but get beaten up in response.
  • Decapitated Army: Subverted with the army ant zombies, to the point of actually contradicting their Animal Motifs. Army ant species usually have a single queen and her death spells the end of the colony, but after Kuramoto was killed by Alice her minions ran wild and infected most of Japan for a year without her despite being supposed to die from starvation.
  • Declaration of Protection: While resisting the effects of her zombiefication, Setsuna declares that no matter how much the army ants want to violate Chiyuri, letting them lay a hand on her is absolutely unacceptable.
  • Decoy Protagonist: Downplayed; former Arachnid protagonist Alice is the focus of Chapter 0 and all the marketing for the series' release focused on her, but from chapter 1 on she shares the spotlight with the actual protagonist for this story, Chiyuri the roach-girl.
  • Defeat Equals Friendship: Dinoponera is obsessed with making friends with people who can match her in combat... but never tires of fighting until she kills her foe and doesn't consider whether she'd be spared if she ever loses. Chiyuri overpowers and impresses Dinoponera enough that she quits fighting (what seals the deal is Chiyuri also liking Sailor-Force), and as a result Dinopo actually acknowledges her as a friend and Chiyuri happily returns the sentiment.
  • Depending on the Artist:
    • In Arachnid's ending, Alice was portrayed with scars on her palms but those are, at least visually, gone here.
    • As seen in the Volume 1 cover, Hayami seems to feel the engravings on the Kumoito provide no tactical advantage whatsoever. Back in Caterpillar, Hanakamakiri's scythes were simplified after the art style change as well.
    • The sketches for chapter 1 show Chiyuri with a plain hairstyle akin to Alice's and her look-a-likes from the author's other works. Hayami gives her one that makes her resemble Mayuri Shiina from Steins;Gate instead. Also notable is how Dinoponera is portrayed — several sketch pages that have her looking cartoonishly unhinged or shocked are changed to her looking nonchalant or mildly worried in the final version.
  • Depopulation Bomb: The point of the zombie outbreak, another stunt from this Organization that deliberately got Hiroshima and Nagasaki nuked to lose WWII spectacularly. Half of Japan's population is supposed to die from sex frenzy-induced starvation, and the Organization will employ armed forces to terminate them if needed. There never was a real justification for why Yoriko sought to do population control, but as Sasori points out, a world of chaos would be perfect for the most demented bug assassins to live in.
  • Destructive Savior: After causing the collapse of Japan, the Organization is willing to get civilians caught in their extermination of the roaming zombies.
  • Destructo-Nookie: When zombie Dinoponera is starting to get raped by some thug inside a van, she grabs him by the throat and pins him to the floor. Whatever happens afterwards causes the van to shake wildly, to the amusement of the man's friends who are standing outside. And then all three men are next seen as zombies.
  • Deus Sex Machina: The army ant zombie plague, which started from the death of a Living Aphrodisiac, turns its victims crazy for sex to the point they'll end up dying of starvation (or at least they were supposed to). Even the previously innocent Dinoponera goes ravenous if anyone tries to rape her while she's zombified, and it's difficult to tell how self-aware she is during the act.
  • The Dog Was the Mastermind: In yet another man behind the man twist, it is revealed that the mysterious Kirigirisu had outplayed everyone during the Arachnid Hunt to get Yoriko killed, and that he had not only Alice but also Sasori saved for unknown reasons.
  • Downer Beginning: Everything's terrible for Alice in the prologue until she's saved from getting infected, and the idea of her getting hired into the Organization for real, even as the new Boss and with Hanakamakiri looking after her, seems rather ominous.
  • Drama-Preserving Handicap:
    • Subverted with Alice, who lost her very powerful and versatile Kumoito upon sniping Ginyanma back in Arachnid, and during the final chapter implied she had trouble using her concentration powers as well as before. During the prologue for this story she spends a year fighting off zombies with improvised weapons until Hanakamakiri saves her. Then she actually soon gets the Kumoito back from her aunt Karina and is taught about new tricks her master Kumo hadn't told her about.
    • Dinoponera survived her zombifying rape but it had some lasting damage to her health on top of her pride and confidence being severely damaged, leading to her getting easily scared and injured by things that wouldn't have even fazed her back in her debut.
  • Dramatic Irony:
    • Chiyuri doesn't have the first idea who's this smarmy ant making trouble on her home, and neither of them imagine just how big a reality check Dinoponera will get in a few hours or how Japan will collapse afterwards from the zombie outbreak. Only Yamato realizes something bad is about to happen, and what makes it more tragic is that Dino and Chiyuri actually become friends after they fight.
    • When zombie Dinoponera walks up to Chiyuri, the roach thinks she's drunk and wonders how her attempt to befriend Alice turned out. She's then shocked by how school is a place that could destroy Dinopo's personality in just half a day, not knowing anything about the Carnival of Killers that took place there.
    • By Foregone Conclusion, readers instantly know Chiyuri's quest to bring Ms. Zombie Cure Dinoponera to Boss Alice won't work so easily because the spider-girl was hiding away and doesn't get found and crowned by the Organization until a year later.
    • Gokiburi got a surveillance job and has drones and minions watching over the outbreak but has still failed to locate Alice, who happens to have become her Boss without her knowing.
  • The Dreaded: As usual, Alice, who mostly wants to be left in peace and eat pudding, is seen by other characters as a shadowy invincible mass murderer and Dinoponera in particular seems traumatized by her defeat to the spider-girl.
  • Dude, She's Like, in a Coma!:
    • An ugly-ass zombie appears out of thin air to attempt to rape Alice while she's trying to sleep.
    • Three thugs attempt to rape Chiyuri in her introduction scene while she's sleeping, but she leaps away in a split second. They also have no qualms about raping a zombiefied Dinoponera, but get way more than they bargained for — she jolts awake and is heavily implied to have raped all of them offscreen.
    • Subverted when Chiyuri wakes up to find a barely conscious zombie Dinoponera looming over her. Dino resisted the brainwashing enough to just wait for Chiyuri to wake up but still ends up scaring the roach away with an attempt to shove a palm on her face while giving her a Death Glare.
    • In chapter 8.5, a slightly zombified Dinoponera tries to force herself on a half-asleep Chiyuri but the roach pins her to the floor until she stops. It seems Chiyuri has to manhandle her friend like that all the time.
  • Dumb Muscle: Army Ants have atrophied brains and yet are capable of coordination and show no hesitation. This trivia was used in the author's Himenospia to illustrate Himeno's classmates being willing to die for her, and in this work it explains how the already queenless zombies are able to move despite mortal injuries.
  • Dynamic Entry:
    • Setsuna comes back to her senses and enters the scene to kill the zombies who were trying to rape Chiyuri with a flying kick and a needle through the brain.
    • Imomushi dropkicks Chiyuri right in the face and then holds Setsuna at gunpoint. It's especially out of left field because Imomushi was last seen looking for Hanakamakiri and Alice in the ending of Caterpillar. Chiyuri then headbutts her right back to help Setsuna.
  • Establishing Character Moment:
    • Alice is first seen after mutilating a zombie girl in what turns out to be a government-sanctioned Cruel Mercy, and then fails to save another girl from being infected. Readers unfamiliar with the series can tell she has a mountain of issues weighing her down but is good-natured and does whatever it takes to survive the apocalypse.
    • Chiyuri is shown to take pride in being homeless and cares a lot for the community surrounding her. A lot of detail is given on their daily routine and how Chiyuri has to beat up Dinoponera to keep her from getting them all chased out of the park.
    • Even if she acts cute and really just wants companionship, Dinoponera is a very self-centered and violent cloudcuckoolander. She's seen bathing on a public fountain without a care in the world, then greeting Chiyuri just to kick her in the face while calling Japanese people weak.
  • Exact Time to Failure: The first chapters after the prologue have a dramatic countdown to the zombie outbreak. So dramatic that 12 HOURS LEFT UNTIL THE OUTBREAK is both the first panel of chapter 1 and a splash page a while later. It ends on the next chapter, showing Kuramoto's death triggering the zombie outbreak.
  • Exotic Eye Designs: The visual eye effects when Alice uses Congenital Excessive Concentration (lines spreading from her pupils) or either her or Dinoponera use Concentration Driving Force (crosshair-like irises) are oddly absent until Alice gets serious in chapter 3, and even then she uses CEC instead of CDF. This gives the impression Alice's powers have weakened at the point the prologue takes place.
  • Explaining Your Power to the Enemy: Since Dinoponera asks Chiyuri to show her a special move, she tells Chiyuri about her own, "Concentration Driving Free", which sharpens her senses to the extent she views the world in slow motion. She does this to brag that Chiyuri won't hit her no matter what (and she's so wrong).
  • Eye Scream: Alice kicks one zombie's face so hard one of his eyes pops out. Really, there have been multiple times since Arachnid that Alice ripped eyes out of people just by hitting them that hard.
  • Failed Attempt at Drama: A very beaten-up Alice still resolves to fight Sasori and monologues her final words from Arachnid before charging at her enemy but then Kabutomushi just blasts her out of the way.
  • Fan Disservice:
    • After a random nude shot of Alice from behind, the story opens with a naked girl lying on the ground and begging for sex... but she's a mind-broken zombie whose arms and legs have just been severed by Alice's hatchet. Right afterwards another girl is undressed and gangraped before turning into a crazy zombie who Alice might have killed.
    • Although the reader is spared from seeing Dinoponera getting rape-zombified during the Arachnid Hunt, her next rape is shown in some detail with her looking badly stoned but turning into a questionably-conscious frenzy as soon as she's penetrated.
    • On chapter 4, Chiyuri is molested not once but twice by her zombified neighbors on a level of graphic depiction previously unseen in other entries in the series. She is helpless and terrified the whole time until Dinoponera arrives to kill the two men. The several upskirt angles on Dinopo afterwards serve as an ironic reminder that she's been harshly raped for hours just a while before and is obviously shaken from the experience.
  • Fanservice: Dinoponera has a pretty eyebrow-raising reintroduction after being gone for so long, as she spends two chapters fighting Chiyuri while naked. Outside of a few Male Gaze panels, this is used to portray her as an Innocent Fanservice Girl.
  • Feel No Pain: The sex-crazed zombies are known to not react to pain, which is likely why the authorities are telling people to amputate all their limbs if outright killing is to be avoided.
  • Foreshadowing:
    • The opening narration for the prologue hypes the titular "blattodea" as something superior to spiders and then we see a close up of a cockroach. Turns out the new protagonist is a cockroach-girl, though not actually the one most readers were expecting.
    • Yamato locks himself behind a gate to Hold the Line for Chiyuri and Dinoponera. When he tells Chiyuri to take Dinoponera to Alice, Dinopo is framed behind the gate's steel bars. Later, the main setting of the story is revealed to be a prison.
    • When Alice's mind is connected to the world wide web for info on the outbreak, there's an odd newspaper page depicting Sara Kurokawa, who was last seen turning into a zombie in the previous story despite being Kuramoto's autonomous second-in-command. From what is readable, it seems to imply her condition is being treated somehow.
  • Funny Foreigner: Having recently arrived on Japan from Thailand, Dinoponera starts up trouble by bathing nude on a park's fountain like the ridiculous ant she is. Her favorite anime "Sailor-Force" also heavily colors her perception of the country, even though she knows it's not real.
  • Gilded Cage:
    • Discounting that one "forcefully rape Alice" plan, Gokiburi does genuinely love Alice and wanted to keep her safe from the Organization in her underground bunker. Alice remarks on the prologue that she had no problems with Goki or the bunker, but staying there didn't feel right.
    • The prologue ends with Alice stupidified (once again) that the people who ruined her family and plotted the destruction of Japan think they can make a new home for her, even if Hanakamakiri offers her a lifetime of pudding with the best of intentions. As Alice tries to refuse the call to duty to uphold her promise to Kumo, Bekkōbachi, an unknown aunt of Alice's, returns the Kumoito to her but is clearly up to no good as she pushes Alice to rule over the Organization.
    • Hibarigaoka prison is made into a shelter from the zombie outbreak outside and Imomushi guides Chiyuri and Dinoponera to it, but she makes vague ominous remarks about not wanting to be there and for Chiyuri and Dinopo to survive no matter what. The place's director is Gokiburi of all people, who claims it's like Heaven in there but immediately starts bullying both of them before they even reach the main gate and has the two arrested as common prisoners for forced labor. It's also said by Bekkōbachi that the prison is actually intended to hold rebels from within the Organization under captivity.
      Dinoponera: ...Chiyuri. Those girls are pissing me off. Can I kill them?
      Chiyuri: Please be patient. Food, clothing and housing are guaranteed. It's an environment where there's no "ants". Compared to the outside world, it is like Heaven...
  • Gilligan Cut: Played for Drama; Dinoponera kindly waving goodbye to Chiyuri is followed by her reduced to a crying mess when Alice defeated her, and then by her appearing zombified after Sasori got her raped by the ants.
  • Going Commando: While inspecting the zombified Dinoponera, a trio of thugs note her panties have been removed by whoever has already raped her. This is really a sordid Brick Joke payoff to Dinoponera originally having a Magic Skirt in Arachnid but getting panty shots for no reason on Caterpillar's reprise of her debut. And even a year into the apocalypse she doesn't acquire any new clothes at all to wear.
  • Gone Horribly Right: The Organization wanted to chop Japan's population in half because... because... and got a potential worldwide apocalypse instead. Hanakamakiri states they're doing all they can to prevent the outbreak from reaching that point.
  • Gonk: Practically every male seen early on, from the rape zombies to the non-zombie rapists and even the hobos who are friendly to Chiyuri.
  • Got Me Doing It: Chapter 4 ends with Dinoponera lamenting she might fail to save Chiyuri from so many zombies, and Chiyuri muttering "No way..." in Thai like the ant-girl does.
  • Gratuitous English:
    • One odd example; Dinoponera's Hyper-Awareness ability was called "Concentration Driving Force" with "Concentration Driving Free" in furigana. The furigana was changed to just "Concentration Driving" (C. Drive for short) for some reason... and then changed back to the original in the tankobon version.
    • Mixed with her usual gratuitous Thai is Dinoponera shouting "YEAH! Di mak!" after Chiyuri smashes a zombie's head open.
    • In chapter 13, Alice is put in a machine where her threads connect her to the internet so she can instantly absorb info on the outbreak from all over the world. This is represented by a bunch of screens tied to her, and some are generic newspapers with a Lorem ipsum pasted over them.
  • Gratuitous Rape: It's what the series revolves around by now, what with the ensuing "rape zombie apocalypse" and Dinoponera's infection being a major plot point. Specifically, Chiyuri is introduced while avoiding rape from three guys who even lampshade the random cartoonish villainy of their act, and this is simply to fit the "introduce heroine with her suffering or avoiding some form of abuse" pattern the author continues since Arachnid.
  • Guns Are Worthless: Subverted compared to the previous installments in the series, at least when it involves the disposable zombies.
    • After all the oddball skills and weapons from the previous series and Alice outsniping a sniper with her magical knife-gun, it can be a surprise to see the zombie horde in the prologue getting gunned down by mundane firearms. Hanakamakiri further shows how much firepower is needed to kill the zombies in chapter 8, after he spent the entirety of Caterpillar without ever touching a gun.
    • Imomushi holds Dinoponera at gunpoint, telling her it's a rule of thumb to obey someone who has a gun if you don't have one. In a few minutes it becomes the second gun of hers that Dinoponera easily breaks, and Dinopo being able to do that just to repeatedly fall for Imomushi's swinging dodge routine like a moron further exacerbates this trope.
  • He's Back: So Dinoponera got repeatedly defeated, was gangraped for hours and turned into a zombie. Still didn't keep her from resisting the Queen's Rule and dramatically saving Chiyuri for the sake of their friendship. It's the first time the usually bitchy and selfish ant-girl is cast in a heroic light.
  • Hive Mind: It is implied the army ant zombies have this, as otherwise Dinoponera couldn't know about them being ant-like and that they are missing a queen.
  • Hotter and Sexier:
    • There's plenty of female nudity here, though mostly in a Fan Disservice fashion with all the rape going on. Following Choubu no Shinobi, and unlike in Arachnid, female nipples are uncensored on the volume releases. Even the covers for the first two volumes are semi nude pinups of Alice and Chiyuri.
    • Originally, Dinoponera was depicted under Magic Skirt rules and had no fanservicey scenes outside of two mild official illustrations. Then the reprise of her debut in Caterpillar ignored that and gave her several panty shots. Her introduction scene in this story? She's butt-naked; and her panties being pulled off at the time she was raped by the army ants is Played for Laughs with upskirt shots of her being used whenever possible.
  • I Am Your Opponent: Sasori walks by the Shouran High's rooftop to dare Alice to an one-on-one rematch despite Kabutomushi and Gokiburi being right there. Kabuto naturally stands up to Sasori and argues that the Arachnid Hunt is over, but Alice accepts the duel with her hated enemy anyway... just to get bashed out of the way by the Kabuto Horn and end up (finally) knocked out.
  • Ignored Enemy: Curiously, when Gokiburi watches over Chiyuri and Imomushi's fight she makes no comment about Dinoponera, whom she dislikes for stealing a kiss from Alice, not even to mock her for losing so badly to Imomushi. When she meets the two, Goki starts beating up Chiyuri without adressing Dinoponera at all, and Dino happens to have mostly forgotten about her.
  • Immediate Sequel: Subverted; the prologue takes place an unspecified amount of time since Alice was last seen and at around the time the Arachnid epilogue with Goki and Kabuto took place in. Chiyuri, however, is introduced in a P.O.V. Sequel set Just Before the End. Once the story starts for real, it turns out 58 weeks have passed since the outbreak began.
  • Inconsistent Coloring:
    • Alice is depicted with green eyes on the cover for Gangan Joker issue the story debuted on, when they're normally greyish-yellow.
    • One of the volume 1 posters depicted Chiyuri with blue eyes and a red scarf, but on the cover for volume 2 and one of its promotional posters her eyes are orange and her scarf is grey.
  • Interplay of Sex and Violence:
    • From how Dinoponera behaves as a zombie, she seems to act on her usual bloodlust and doesn't just crave for sex like the other zombies.
    • Sasori still makes suggestive comments over the thought of fighting Alice.
  • Ironic Echo:
    • The Title Drop of the prologue is a miserable wandering Alice saying she's looking for a home. The Title Drop of Chapter 1 is Chiyuri, a much happier hobo roach, saying she'd rather not have one. Their circunstances are further mirrored in chapter 8, where Chiyuri happens to walk past the same street Alice was in, but with a look of excitement on her face and Dinoponera by her side.
    • Chapter 2 ends with zombified Dinoponera crying out Chiyuri's name. Chapter 3 ends with the two face-to-face, and a disturbed Chiyuri calling her by name.
    • Karina's False Reassurance that she won't let anyone take Alice's freedom echoes Alice herself saying she'd rather let the world burn than let Yoriko claim her freedom by controlling her mind.
  • Ironic Name: At one point, Dinoponera and Chiyuri discuss a Sailor-Force character who is an expy of Setsuna Meioh, or Sailor Pluto. It is then revealed that Dinoponera is actually named Setsuna — so she just made friends with a girl themed after the bug Sailor Pluto dislikes the most.
  • Irony:
    • When Setsuna saves Chiyuri from being infected, the story gives her a Megaponera analis motif regarding how those ants are capable of retrieving and caring for injured foragers after raids on termite nests. Thing is, Setsuna herself never had anyone to watch her back like that when she ended up raped or even when she tagged along with Paraponera as a child. Also, the research papers the narrator references are from 2017, three years after Setsuna got dumped on that rape pit...
    • Sasori had attempted to kill Yoriko with a deadly toxin, but Yoriko turned out to be highly resistant to poison and came back later to reveal her true self to Alice. Right after Kabutomushi turns Yoriko into a bloody smear in the pavement, Sasori casually walks up to Alice saying she also faked her own death upon being defeated and hanged.
    • Dinoponera saving Chiyuri with a flying kick two chapters after being first shown as a zombie is a clear parallel to Gokiburi "saving" Alice with a drop kick back in Arachnid. Said scene happened two chapters after Dinoponera was Put on a Bus to Hell and was also a major Mood Whiplash. Furthermore, the release date of volume 2 with her grand return is exactly seven years after said chapter 50 of Arachnid was published on Gangan Joker.
    • Chiyuri goes out looking for freedom for herself and Setsuna but finds their destination, where people are hiding from the outbreak, is The Alcatraz.
  • "It" Is Dehumanizing: Hanakamakiri states the infected are no longer human but instead mindless "ants" beyond recovery and whose rights and lives they do not need to be concerned with. Alice coldly concludes they then "have no choice but to kill them".
  • Ki Attacks: After Kagimushi's use of Fa jin movement in Caterpillar for his Inazuma Punch technique, a long-ranged ki blast is introduced in this story — the Wave Cannon taught by Yamato to Chiyuri, which is named after the Wave-Motion Gun from Space Battleship Yamato.
  • Kick the Dog: Dinoponera was perfectly willing to kill Chiyuri during their first meeting just for interrupting her bath and being "mediocre", but the roach's battle prowess dissuades her from doing so. Afterwards, Dino, or rather, Setsuna, warms up to Chiyuri a bit.
  • King of the Homeless: Yamato Mitsuda is the leader of the homeless in the Miyamoto Park who acts like a father figure to Chiyuri. He actually is a retired mangaka who works for the Organization.
  • Knife Nut: Alice uses the Kumoito more to set Razor Floss traps than to stab her enemies, but it's difficult to not be amused when she refuses Hanakamakiri's offer of unlimited pudding to join the dark side just to be swayed when Karina promises her unlimited knives instead.
  • Late-Arrival Spoiler:
    • The prologue actually avoids giving any context for why Japan became a sexual wasteland and about anything else that's going on.
    • The magazine version of the chapters come with character profiles for Alice and Hanakamakiri, and a little recap that spoils who the Queen of the army ants was.
    • Chapter 2 has a brief recap of Arachnid Hunt scenes from Alice defeating Dinoponera to Kuramoto getting her neck crushed, but there's no context for any of that for new readers. Even the point Dinoponera is defeated by Sasori and raped by the army ants is omitted, with her just appearing as a zombie afterwards.
    • The identity of the former Boss, Yoriko Tajima, is shown in Chapter 3. Notably, it had already been a topic midway through the prequel Caterpillar and even in the ending of the Sengoku era spinoff Choubu no Shinobi.
  • Leaning on the Fourth Wall:
    • Yamato's argument about conforming to no rules when writting manga, aside from being a reference to author Leiji Matsumoto, can be seen as him justifying the chaotic plot developments of Arachnid itself. Osamushi complains about him risking immersion by using WWII motifs on fantasy-themed stories, which calls to mind Yoriko the ageless telepath baba-loli brainwashing Hideki Tojo to get Japan nuked on purpose.
    • While Imomushi is talking down to Dinoponera for lacking willpower despite her strength, a flashback has Yamato telling Chiyuri that being on the defensive and even running away during a fight to later make a comeback is fine, her victories don't need to be all overwhelming. This reads like the author asking readers to put up with how wimpy the once confident and near-invincible Dinoponera might seem until she can get her groove back.
  • Let's You and Him Fight:
    • Caterpillar protagonist Imomushi accidentally starts up trouble with Dinoponera and Chiyuri and stubbornly escalates the fight until Chiyuri ends up nearly killing her with a Wave Cannon. Afterwards, after escaping from a crowd of zombies, the three calm down and turn very friendly towards each other.
    • Gokiburi was a main character in Arachnid with a supporting role in Caterpillar. She is hostile to Chiyuri for not much reason other than being her usual bossy-bitch-to-anyone-not-named-Alice self and takes Geji along to harass her and Dinoponera near the gates of Hibarigaoka prison.
    • Chiyuri's goal is to bring Setsuna to Alice so they can work on stopping the outbreak with the antibodies poor ant-girl got after she was forced to get raped. However, Bekkōbachi and Hanakamakiri already know of this and scheme to goad Alice into killing Setsuna for the cure.
  • Limited Wardrobe: A year goes by in the post-apocalypse and Alice, Chiyuri and Setsuna still wear the same set of damaged clothes. And as soon as Alice is rescued she's simply given a new blazer uniform to wear, though she's also shown wearing a fancy new dress at night while inside the Organization's HQ.
  • Male Gaze:
    • A nude pin-up of Alice is chapter 0's title double-page for reasons.
    • Also from chapter 0, in Megumi's flashback cameo, the dress she's wearing is semitransparent. It wasn't like that in Arachnid at all.
    • A trio of jackasses prepare to rape a sleeping Chiyuri in chapter 1 while commenting on her figure, complete with gratuitous close-ups of her curves and crotch.
    • Dinoponera gets a double-page nude pin-up of her own in chapter 1, plus she fights Chiyuri while still naked and as a bunch of middle-aged hobos watch in awe. Notably, she wasn't ever depicted like this back in the already fanservicey Arachnid.
  • Mercy Kill: The prologue starts with Alice completely dismembering a zombie girl as a form of Cruel Mercy and leaving, with seemingly no one to retrieve her before she bleeds out. Then Alice tries to save another girl from being infected but fails and appears to kill her too via a Gory Discretion Shot.
  • Mythology Gag: The cover for Gangan Joker's February 2020 issue (also used as the opening page in volume 1) is a redraw of the cover from Arachnid volume 1. Notably, Arachnid never got the cover page on that magazine...
  • Mood Whiplash:
    • A distraught Alice just trying to survive the apocalypse is followed by Chiyuri and Dinoponera having a catfight a month before and becoming friends... which then cuts to the point the outbreak starts and Dinoponera walking out of it broken and nearly mindless from getting defeated by Alice and Sasori and infected by the zombies.
    • A terrified Chiyuri being molested by people she considered friends in a scene portrayed even more graphically than previous rape scenes in Arachnid is followed by a conscious but scared Dinoponera killing the two guys and vowing to protect Chiyuri. Not only there are multiple random upskirt shots of Dinopo during this, but the chapter ends with Chiyuri comically mimicking Dinoponera's "no way" Catchphrase when the two are surrounded by more zombies.
    • After Yamato's heart-wrenching Heroic Sacrifice for Chiyuri, the next chapter cuts to the worrisome sight of an apparently re-zombified Dinoponera sprawled on the ground, clearly mirroring the gored girl from the prologue... but no, she just finds Pocky sticks Orgasmically Delicious and is asking Chiyuri for more.
    • Chapter 11 ends with Gokiburi being ominously reintroduced as an antagonist just for the next chapter to begin with her as wacky as always, masturbating to a picture of Alice and beating up her weaver ant minions for interrupting her.
  • Mundane Object Amazement: A good real life decade since she was implied to enjoy pudding, Alice is overly surprised that self-made pudding can be better than industrialized ones.
  • Naked First Impression: Dinoponera is happily showering on a public fountain when Chiyuri tells her to respect the laws a little bit. She just hits her foot on the roach's face, provoking a catfight from her. Amusingly enough, Dinoponera is completely casual about being naked and Chiyuri doesn't make any comments on that.
  • Naked People Are Funny: Dinoponera's introduction is her trying to bathe naked on a public fountain, since she doesn't have a clue of social norms. After she recovers from being a zombie, her panties having been ripped off by the rapist army ants is played for laughs, with several shots of her crotch and butt while she's dramatically rescuing Chiyuri and declaring her wish to protect her friend.
  • Named by the Adaptation: Seems all the bug-people from the Organization are going to have their proper names revealed in this installment.
    • Dinoponera introduces herself as Setsuna at a point she's trying her darndest to present herself as a decent, friendly human being to Chiyuri rather than a crazy bug, therefore earning some sympathy points from the readers.
    • Conversely, Sasori and some other characters are just introduced by their actual names in a Boss Subtitles text box. In particular, it was already established that Kabutomushi's real name is Ran but her text box gives her surname which is just "Kabuto".
    • Jigabachi getting introduced as Yasuomi Fujimoto is interesting because that's exactly what his counterpart from Himenospia is called.
    • Geji is named Momoko Ashida, furthering her status as an expy of Tomoko Kuroki.
  • The Nameless: The Organization's assassins are all deprived of their original identities and receive codenames based on bugs. Notably, Dinoponera, who never knew her birth name, is suddenly established to have been named "Setsuna" by her adoptive father Paraponera. Unlike in previous installments, characters like Gokiburi, Kabutomushi and Sasori are all introduced by their real or fake names as well.
  • No Celebrities Were Harmed: Yamato is based off mangaka Leiji Matsumoto and is a pupil of the in-universe Osamu Tezuka alongside Shoichiro, the story's Shotaro Ishinomori.
  • Not as You Know Them: Averted with Alice before the protagonist switcheroo; Arachnid ended with the impression she was going to embrace the Kumo title and turn into a real maniac, but what we see here is that, while she got more blood on her hands, she's the same well-meaning girl as before.
  • Not Quite Dead:
    • Chapter 3 reveals Sasori did not die from either her own venom or from Alice hanging her — but she only survived because Jigabachi broke her free from that noose.
    • Jigabachi didn't die from getting tossed off the school by Kabutomushi, got himself patched up and went back to save Sasori when Kirigirisu warned him about it. He then says Anabachi also left safely after getting his head slammed into the floor by Kabutomushi.
    • Subverted when Ayana seems to be alive, much to Alice's shock as she asks "Why are you alive?" for the third time so far, but then the woman introduces herself as Bekkōbachi, a previously unknown aunt of Alice's.
  • Not Using the "Z" Word: In Caterpillar, Hanakamakiri had called the army ants "sex zombies who copulate endlessly". From here on this trope is played straight as Setsuna remarks the zombies behave as if they're actual ants. Scientists call them "Eciton virus victims", but the Organization people simply call them "ants" as a form of dehumanization.
  • Offscreen Teleportation: When Alice returns to Kumo's house to sleep, she barricades the door with literally everything but the kitchen sink. And yet a ridiculously ugly naked zombie just walks up to Alice between panels without making a sound.
  • Oh, Crap!:
    • In the prologue, Alice escapes from one zombie just to find the street next to her hideout swarming with them. She concentrates and plans a way out as usual, until they pull her by the plush she's carrying along.
    • Back in the Arachnid Hunt, before being disgraced by Alice and Sasori, Dinoponera was only ever mildly surprised at any attempt to harm her — including Kabutomushi trying to hurl her around. Here, though, encountering Imomushi makes her panic and get decked in the face from a headbutt she was previously well able to see coming. She then uncharacteristically freaks out at Imomushi violently swinging Chiyuri around and crawls away like a scared kitten.
  • OOC Is Serious Business:
    • Being as insane as she is, Dinoponera could've fought Chiyuri forever and turned increasingly lethal, but when Dinopo realizes Chiyuri is also a Sailor-Force fan (the roach actually barely remembers any of it), she drops all hostility, introduces herself by her real name and begs Chiyuri to be her friend. While talking about her past to Chiyuri later, she lets it show how sad she is over having no friends. Her turning into a shambling zombie who goes happy-go-lucky to rape people is all kinds of wrong too.
    • Dinoponera's Smug Super confidence was broken by her humiliation, rape and time spent as a zombie. When Dino breaks free from the brainwashing to save Chiyuri's life, she looks very unnerved and starts Suddenly SHOUTING! as if struggling to maintain control over her mind. Despite her Declaration of Protection, she is too scared to be sure she can save Chiyuri from all the other zombies. Fortunately, she gradually recovers while fighting by Chiyuri's side.
  • Orphanage of Fear: It's been established in Caterpillar that orphanages known as "Pomario" are a front for the Organization to train child soldiers, and that even Kabutomushi had a reputation of being abusive towards the children in her care. Chiyuri is heavily implied to have suffered from her training and ended up escaping from there.
  • Our Zombies Are Different: The zombies in the story behave like agressive army ants who spread their infection by sex, but without a queen to follow they seem to lose the team tactics that actually made them resemble ants such as moving together as blockades and towers to collapse upon their targets. As such, it makes the terminology of calling them "ants" rather than zombies a Distinction Without a Difference.
  • Orwellian Retcon: Dinoponera's Bullet Time skill was called "Concentration Driving Force/Free" in Arachnid, but is changed to "Concentration Driving" or just "C. Drive" on the magazine version of Chapter 2. In Volume 1, this strange change is simply retracted.
  • Pet the Dog:
  • Pose of Supplication:
    • Alice while lamenting Yoriko's and Suzumebachi's deaths.
    • Dinoponera while confessing to Chiyuri and Yamato she did get raped and zombified by the army ants.
    • Played for Laughs when Chiyuri realizes Yamato was working for the Organization the whole time. What shocks her is him actually having a job at all.
  • Post-Climax Confrontation: Subverted; the story reveals Sasori turned up alive to fight Alice at the Arachnid Hunt after Suzumebachi, Ginyanma and Yoriko had all been killed. Alice lunges at her in blind rage, but gets blown out of the air by Kabutomushi. The beetle then just ignores Sasori and Jigabachi but still has to fight her way through the zombies to lead Alice and Goki to safety.
  • Posthumous Character:
    • Alice's late mother Ayana is briefly mentioned in the prologue. Specifically, the panel shows the pills found near her corpse to make it look like she commited suicide from medication overdose. Since she died, Alice has never felt at home anywhere.
    • Alice also thinks back to her former master Kumo. While the scene gives no context for new readers, he's who kidnapped and trained Alice as an adopted daughter but forced her to a Duel to the Death after her training was completed. She often recalls his advices to figure how to win fights.
    • Dinoponera explains her father Paraponera named her Setsuna, further implying he wasn't a bad dad to her despite being a horrible guy otherwise. What drove them apart, leading to her calling him "not a friend" in Arachnid, is still unclear.
    • Yoriko Tajima, whose corpse is seen on-panel in chapter 3, weaseled her way into Alice's heart while hiding that she was the Boss and the one who ruined her family. She wanted to kill Alice for refusing to become her final wasp puppet and being a loose end despite caring for her on some level, but was foiled and killed by Kabutomushi. Alice regrets her death a lot, and worse, takes to heart her claims that she would have grown into a murderer no matter what.
  • P.O.V. Sequel: The prologue is set after Arachnid ended, but then the story rewinds to just before the Arachnid Hunt and then its aftermath. The point of view is switched between Chiyuri, Dinoponera and Alice.
  • The Power of Friendship: As flawed as Dinoponera is, she sincerely cherishes Chiyuri and that helps her resist and break free from the Queen's Rule once Chiyuri is about to get infected as well. Together, they handle the apocalypse far better than lonely Alice despite their own traumatizing experiences.
  • Production Throwback: Compare Megumi's masturbation scene in chapter 12 to Ui's in the first chapter of Hoshi Gari Sugidesho!? Inaba-san. Those have them in similar poses with the order switched, but most noticeable is The Immodest Orgasm page of "rabbits/roaches have strong libidos" narrator trivia with the exact same framing and page layout.
  • Prolonged Prologue: The prologue and the following 7 chapters introduce Alice, Chiyuri and Setsuna and goes over their motivations. Chapter 8 moves the story back to the present day to kick things off for real, going as far as to mirror the prologue's opening for symbolism.
  • R-Rated Opening: Opens with an ecstatic nude girl lying on the floor with all her limbs chopped off and then a good introduction to what exactly fuels the ongoing zombie apocalypse. The author even remarked on his penchant for starting every manga with ryona (fetish for physical and psychological abuse) a few days before the debut of this series.
  • Rape Discretion Shot:
    • Surprisingly, the story cuts from Dinoponera getting defeated by Alice to her leaving the Ouran school at night as a mindless zombie after Sasori got her raped by the army ants. When she later explains what happened to Yamato and Chiyuri, still nothing is shown past a redraw of her screaming while the zombies were jumping over her either.
    • The next time Dinoponera gets violated it is on-panel, as she lies locked inside a van with a random thug who doesn't care about how drugged out she is. Then she suddenly shakes off her brainless state to beat and rape him instead. The scene cuts away as it happens, and later both him and his two friends are seen zombified.
    • Chiyuri nearly getting raped by the homeless men at the public park is rather graphic as well, with a lot of molestation and one of them getting just... that... close to taking her from behind and zombifying her.
  • Rape Portrayed as Redemption: The lonely but prideful and violent Dinoponera getting rape-zombified and tossed out of the Arachnid plot like trash doesn't just teach her some much needed humility and empathy, but was actually a convulted plan to make her a source of antibodies against the army ant virus. As the main page for the trope puts it, it's like "getting raped was the best thing that ever happened to her" — and the world, apparently.
  • Refusal of the Call: Alice tells Hanakamakiri it was Kumo's dying wish for her to be free from the Organization's grasp, so it doesn't sit right with her to work for them even as the new Boss. Through a Hannibal Lecture and returning Alice's prized Razor Floss dagger, Bekkōbachi convinces her to quit whining and accept her new role already.
  • Retcon:
    • Chiyuri meets and befriends Dinoponera some hours before the Arachnid Hunt, despite Dinopo never alluding to her in Arachnid and acting like she never met anyone whom she could share her feelings with. Dinoponera is also impressed by Chiyuri beating her without weapons and on brute force alone. This clashes with how, in Arachnid, Dinoponera is confused by how Hibiki wanted to fight her unarmed, saying she "never thought of weapons as a weakness". Dino never being pleased by whatever he or anyone else does, however, is justified in Blattodea by her remarking her standards have increased from fighting Chiyuri.
    • Sasori's survival from losing to Alice is handily explained as her having faked her suicide with a fourth kind of venom that left her in a state of suspended animation (plus somebody else got her out of Alice's noose). That she can have a hundred other venoms other than her "three friends" goes without saying.
  • Series Continuity Error:
    • So Dinoponera waves goodbye to Chiyuri at 14:05 of the Arachnid Hunt day and Kuramoto is killed at 18:00. Problem is, Dinoponera is shown trapped by Alice with a narration panel reading there are 2:36 hours left until the outbreak. That's 15:24, which if taken at face value contradicts Chapter 30 of Arachnid showing she hadn't even arrived at Shouran High by 16:02.
    • When Kabutomushi and Alice appear at Ouran High's rooftop, Kabuto is missing the slash wound she got while fighting Abu and Alice is shown with her usual blazer uniform which was stripped from her earlier. At that point in Arachnid, she was wearing an outfit stolen from the then zombified Sara, with overknee socks instead of pantyhose and no blazer. It doesn't help that in the magazine version of Chapter 5 Goki and Kabuto are then repeatedly drawn with outfit errors — Goki with her missing blazer on in the same page she's portrayed without it and Kabuto missing her tights on three pages.
  • Shout-Out:
    • The Show Within a Show Sailor-Force is referenced again, as not just Dinoponera but also Chiyuri are fans of it. Plus, Dinoponera is revealed to be named "Setsuna" after Setsuna "Sailor Emerald" Midorigaoka (that is, Setsuna "Sailor Pluto" Meioh) — fitting for a girl who can kind of stop time. Of note is that when Dinopo first mentions the series, the unnamed expy of Usagi who appears on the page was originally sketched as just her before being changed to how she was portrayed in Arachnid.
    • What with Dinoponera having traits of Nagisa from the original Futari wa Pretty Cure (her clothing and "Unbelievable!" tic), Chiyuri seems to follow suit. She's introduced as capable of incredibly high jumps (a Running Gag for first-time transformations in that franchise) and goes "Dadadada" while fighting Dinopo on a public fountain. The story began at about the same time as Healin' Good♡Pretty Cure, where one of the leads is Chiyu "Cure Fontaine" Sawaizumi.
    • Chiyuri's name, hairstyle and hat seem to mark her as an expy of Mayuri Shiina. The time travel theme of Steins;Gate adds up to Dinoponera being named after Sailor Pluto and having a pseudo-time-slowing power.
    • Yamato is an expy of Leiji Matsumoto and Bland-Name Product versions of his series are shown to the reader, such as "Space Battleship Musashi" instead of Yamato, even though that term is otherwise freely used in the story. His and Chiyuri's ki blast is even named after the Wave-Motion Gun.
    • Pocky snacks are shown in chapter 8 with the bland name "Lucky". It was published only a couple weeks after November 11, which is considered "Pocky Day" in Japan. Unfortunately, Dinopo doesn't get to play the Pocky Game with her roach friend...
    • The pod Alice is put in to connect her mind to worldwide news looks very similar to the teletransportation pod from The Fly.
  • Silence Is Golden: The prologue has very little dialogue, which adds to its slow-paced melancholy. Even the bug funfacts narrator is absent after the first page.
  • Sinister Surveillance: In chapter 11, Gokiburi is seen watching a drone's footage of Chiyuri fighting Imomushi from a security room and wondering whether she should let them all die. This makes the trope a Recurring Element for the series, as Sara and Akiho previously filled this role in Arachnid and Caterpillar, respectively.
  • Somewhere, an Entomologist Is Crying:
    • The bug trivia about Dinoponera ants portrays what looks more like a Paraponera clavata instead by mistake (which never happened in previous chapters), and as usual Setsuna acts like a mix of both. Setsuna's and her adoptive father's ants are popularly lumped together as "bullet ants", but in reality belong to different subfamilies, and Dinoponera is instead closely related to Pachycondyla — which Setsuna is only vaguely themed after by how the "巨針蟻" furigana given with her name refers to Pachycondyla chinensis.
    • The chapter 2 funfact about roaches getting upwards of 300 IQ and remembering how to fly when in danger appears to be based on bogus internet rumors. The concept of IQ isn't easily applied to animals, but there are studies on how well roaches can learn at different times of a day.
  • Stealth Pun: Chiyuri compares wrestling Imomushi to trying to stop a tank bare-handed, and tanks have caterpillar treads.
  • Stunned Silence: Wouldn't be Arachnid if Alice wasn't left utterly confused at something on a regular basis. And Chiyuri and Setsuna, being two foils for her, aren't too far behind.
    • When Hanakamakiri declares Alice the new Boss of the Organization, Alice is left gasping like this. Kind of like how Himenospia started, actually.
    • Dinoponera is awestruck by how Chiyuri is able to blast her out of C. Drive mode by brute strength alone, without a plan, tricks or weapons "like a real Sailor-Force".
    • Karina hands back the Kumoito to Alice and claims the Organization can make an unlimited amount of those dagger pistols. Alice spends the rest of the scene just gazing at her beloved knifegun in silence, blushing and sweating. It doesn't help that it's implied that Karina is manipulating her in some supernatural way.
  • Sympathetic P.O.V.: Dinoponera is portrayed from hers and Chiyuri's point of view as a rash and violent girl who nevertheless can be sickeningly sweet to anyone who earns her trust. The story glosses over Dinopo's evil actions during the Arachnid Hunt such as casually killing a civilian by accident and developing an irrational grudge towards Alice, making Alice look bad and Dinopo all the more pitiful when she ends up zombified.
  • Tastes Like Friendship: Chiyuri and Dinoponera bond over baked potatoes and their shared love of magical girl anime.
  • Team Spirit: Chiyuri and Setsuna learn to get along as they survive the outbreak, with Setsuna stunning zombies by stabbing their heads so Chiyuri can then behead them with a baseball bat strike. This is notable because teamwork was practically inexistent in both Arachnid and Caterpillar — other than loose examples such as Megumi baiting Kirigirisu into Alice's traps and Hibiki tricking Riokku into launching him towards Setsuna, the story so far has been exclusively about one-on-one fighting.
  • Technically Living Zombie: The army ant zombies are actually alive but since their Queen died they became incapable of doing anything but raping anyone who's not yet infected. The Organization intends for all of them to die of starvation in a Depopulation Bomb scheme, but there's also talk of a vaccine being developed to heal them. Furthermore, chapter 5 reveals that mortal damage to the zombies will actually turn them into undead.
  • There Can Be Only One: Megumi debuts in the story as an antagonist to Chiyuri, declaring there's no need for two roach assassins to exist.
  • There's No Place Like Home:
    • Back in Arachnid's ending, Alice claimed she felt more at home fighting the zombies than hiding away with Gokiburi. However, in the prologue for this series, Alice is stressed out again and monologues about how she feels like she doesn't belong anywhere since her mother got killed. Hanakamakiri claims the Organization can help fill that hole in her heart after all.
    • Chiyuri on the other hand exults in her homelessness even after the collapse of Japan, much to Setsuna's annoyance.
  • This Cannot Be!: Dinoponera has a habit of repeatedly screaming something along the lines of this in Thai (ไม่มีทาง/mâi mee taang, meaning "no way"; translated to "arienai"/"impossible" in furigana) when she does get scared, which is seen when Chiyuri lands an uppercut on her despite Dinoponera being on Bullet Time mode. Keeping with her Magical Girl motif, this is a nod to Nagisa Misumi from Futari wa Pretty Cure going "arienai" at everything. And Dino does it enough that it even rubs off on Chiyuri.
  • Time Skip: After chapter 7 is done establishing Chiyuri's and Setsuna's characters and motivations, chapter 8 moves the story to 58 weeks into the apocalypse, just after the point Alice is declared the new Organization boss by Hanakamakiri.
  • Too Much Information: The animal trivia in chapter 12 is used to establish Gokiburi can have upwards of 30 times more sex in her lifetime than most people.
  • Trademark Favorite Food:
    • Dinoponera likes sweets sold exclusively in Japan and starts relapsing back into a horny zombie when Chiyuri doesn't let her have too many Pocky sticks.
    • In chapter 9, Alice finally gets to enjoy a plate of pudding the way Oki said she liked to back in Arachnid. For all of a minute she seems to forget about the chain of disasters that's been her life so far, and Hanakamakiri even tries to use the dessert as motivation for her to remain in the Organization.
      Hanakamakiri: This pudding... I made it myself. It's not a rare brand or anything...
      Alice: A— A pudding... A pudding this good... was made by human hands?...
  • Tragic Keepsake: In the prologue, Alice drops her guard and nearly gets infected because she was trying to protect a teddy bear Kumo gave her.
  • Villain with Good Publicity: As explained by Hanakamakiri back in Caterpillar's ending, the Organization caused the zombie apocalypse so their forces can operate in plain sight and kill truckloads of people under the pretense of peacekeeping.
  • Villains Out Shopping: A few hours before killing a clueless teacher and beating up a lot of people in the Arachnid Hunt, Dinoponera was innocently bathing on a park's fountain until Chiyuri stopped her.
  • Visual Pun: The Organization has a capsule device which Alice enters to absorb knowledge through her Hyper-Awareness and Instant Expert traits. This is visualized as Alice using her Razor Floss to access news and research papers in the World Wide Web.
  • Unwitting Instigator of Doom: Alice killed Kuramoto in self-defense and found there was a ridiculous Evil Plan to halve the population of Japan from the pandemic of her brainwashed soldiers. Soon after, the zombified Dinoponera is assaulted by a group of thugs and fucks them right back. Her bloodlust is possibly what actually triggers the then passive zombies into attacking everyone, and then her three assailants among other people end up right next to Chiyuri's master and his friends, meaning poor Dinoponera did bring ruin to her friend's home without even realizing it.
  • Wham Shot:
    • Hanakamakiri meeting Alice in the prologue, making good on her promise to make Alice the new Boss.
    • The reveal of poor zombie Dinoponera in chapter 2, six real life years since she got Put on a Bus to Hell in Arachnid. And later her rescue of Chiyuri in chapter 4, confirming her recovery and promotion to side heroine of the story.
    • The reveal in chapter 3 that Sasori faked her death when she lost to Alice.
    • Chapter 9 seems to reveal Ayana Fujii, Alice's mother, is somehow doing just fine and is working for the Organization... but the next chapter shows she is just an identical-looking relative.
    • Chapter 11.5 ends with good old Megumi "Gokiburi" Oki in some kind of evil mastermind role from out of nowhere after she was chronologically last seen in the Arachnid epilogue just looking for Alice alongside Kabutomushi.
  • What Happened to the Mouse?: After the time skip is done, the fates of characters like Kamadouma, Geji and Riokku remain unknown. Kabutomushi and Gokiburi also remain out of focus until chapter 11, which is ironic as they were the first characters shown to be alive and well at this point back in the epilogue of Arachnid, but then Gokiburi appears out of the blue watching Chiyuri from a security room like Sara and Akiho did in the previous installments. Geji and Kamadouma then turn up next, just as suddenly.
  • The Worf Barrage:
    • Dinoponera's Concentration Driving Force lets her increase her heartbeat to view the world in slow-motion and she handily beat Imomushi, Kamadouma, Riokku and Kabutomushi with it. However, her lack of foresight while using C.D.F. against Crazy-Prepared opponents ultimately causes her to be easily defeated and humiliated by both Alice and Sasori. This story then adds that before even that Dinoponera's ability was beaten by Chiyuri with brute force alone, retroactively making the ant-girl even more stupid since she learned nothing from that.
    • Alice tries to pounce at Sasori but gets knocked out of the way by Kabutomushi. From the very beginning of Arachnid Alice has loved being a Salticidae spider, but that only ever works as a distraction at best.
    • Dinoponera tries to pin Imomushi to the floor and beat her up once again but fails and gets blasted away by a headbutt before she can trigger her concentration power. Imomushi says that even back when Dino first rearranged her face her punches felt light, like she didn't measure up to her monstrous father at all.
  • The Worf Effect:
    • Dinoponera, who was a supposedly all-powerful Arc Villain back in Arachnid, is the first opponent Chiyuri fights, and it is shown Chiyuri is too strong and fast for Dinoponera's and Alice's Hyper-Awareness powers. Although she was butt-naked and without her venomous elbow-stingers, Dinoponera gets knocked down repeatedly and acknowledges Chiyuri as a friend.
    • The army ant zombies are just going berserk and lack the team tactics they had under Kuramoto's control, but they're monstrous, very resistant to damage and there's enough of them to pin down and nearly infect both Alice, who lost her thread weapon, and Chiyuri. Dinoponera resists their hivemind, but given what she's been through she is uncharacteristically afraid and unsure if she can protect Chiyuri from them despite having a Child Soldier background in war zones.
    • Imomushi does much better in her rematch against Dinoponera and hits her with a headbutt right in the nose, making it necessary for Chiyuri to come to help, and the roach won't have an easy time either. After outright no-selling so many beatings, this is the first time Dinoponera bleeds from a physical blow in the entire series so far. The author handwaved this portrayal on Twitter as ants "being more vulnerable to environmental degradation than caterpillars and cockroaches" (Dinoponera lucida in particular are an endangered species because of that). Chiyuri ends up defeating Imomushi by introducing ranged Ki Attacks into the series.
    • Upon arriving at Hibarigaoka Prison, Chiyuri and Dinoponera are immediately restrained and arrested by Gokiburi and Geji, two dumb-dumbs who hardly did anything but job in the previous stories. As Chiyuri doesn't want to miss out on the shelter and info about Alice, she tells Dinoponera to be patient and not defy them.
  • Worf Had the Flu: Alice had a reputation for being overpowered in the original story, and it was even acknowledged by the author. But when you get down to it, she had the home field advantage and a week of prep time to set traps thanks to Sasori babbling about the Arachnid Hunt to her. Without any of that or her trusty Kumoito and exhausted from an untold amount of time aimlessly fighting the zombies, it's no wonder she almost gets caught and infected by them. Kabutomushi also knocks her out in one hit at a point the spider-girl was running on fumes but still trying to stand up to Sasori.
  • You Kill It, You Bought It: Strangely, the official synopsis for the story and Alice herself claim she killed the Boss even though she no, she didn't, it was Kabutomushi who blew Yoriko to her death. Alice was hopelessly immobile and being tossed off the building by Yoriko before Kabuto and Goki rescued her (Alice was even trying to reach out for the falling Yoriko in despair), and the event was reported correctly by Kirigirisu. Nonetheless, Hanakamakiri forces Alice to take over the Organization as he promised to Suzumebachi midway through the Arachnid Hunt.
  • Zombie Gait: The army ant zombies wander like this while passive, but will charge at the non-infected if set off. Dinoponera, for example, stumbles around pitifully while drooling with her head tilted sideways and her eyes rolled up... but when provoked she's about the most dangerous rapist around thanks to her innate lunacy, speed and strength.
  • Zombie Infectee: Dinoponera is the only one able to resist the army ant virus out of happenstance from Alice forcing her to stab herself with poneratoxin, which makes her a Living MacGuffin Chiyuri must deliver to Alice. Although Dinopo recovers her consciousness she still gets overwhelmed by lust from time to time and gets forceful on Chiyuri, who simply puts her on a submission hold until she calms down.
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