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* {{Attempted rape}}:Tries to rape Chitose after threatening to leave her friends on the island. [[spoiler: He is thankfully stopped by Toki who hits him with a bamboo sword.]]
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* {{Attempted rape}}:Tries to rape Chitose after threatening to leave Chitose, blatantly ignoring her friends on the island.multiple demands for him to stop. [[spoiler: He is thankfully stopped by Toki who hits him with a bamboo sword.]]
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* {{Attempted rape}}:Tries to rape Chitose after threatening to leave her friends on the island. [[spoiler: He is thankfully stopped by Toki who hits him with a bamboo sword.]]
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* {{Evil is petty}}: [[spoiler: After he is prevented from raping Chitose he happily informs Kyousuke of the brand new batteries he had stashed away, all but assuring that Mutsumis group would be left on the island.]]
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* Bishonen: As noted by the girls he is a very handsome man
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* Bishonen: {{Bishonen}}: As noted by the girls he is a very handsome man
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* Coordinated Clothes: They both wear identical outfits to each other
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* Coordinated Clothes: CoordinatedClothes: They both wear identical outfits to each other
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Two identical twins that are apart of Kyousuke's group
---------
*AlwaysIdenticalTwins: They are two twins that can only be differentiated by their hair color
*HeroicSacrifice: [[spoiler:Miki pushes Aki out of the way of the giant mantis only to get killed by it herself.]]
*Coordinated Clothes: They both wear identical outfits to each other
---------
*AlwaysIdenticalTwins: They are two twins that can only be differentiated by their hair color
*HeroicSacrifice: [[spoiler:Miki pushes Aki out of the way of the giant mantis only to get killed by it herself.]]
*Coordinated Clothes: They both wear identical outfits to each other
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* Bishōnen: As noted by the girls he is a very handsome man
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* Bishōnen: Bishonen: As noted by the girls he is a very handsome man
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* AllforNothing: [[spoiler: Sends Mutsumi and her group to go get batteries for the boat, but it is later reveled that batteries were already on the dock. Meaning that he sent them into a dangerous situation for no reason.]]
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* AllforNothing: AllForNothing: [[spoiler: Sends Mutsumi and her group to go get batteries for the boat, but it is later reveled that batteries were already on the dock. Meaning that he sent them into a dangerous situation for no reason.]]
* SexualExtortion: He basically forces Chitose to have sex with him by threatening to leave her friends on the island
* TheEngineer: He is the only one who knows how to fix and operate the ships on the island
* SexualExtortion: He basically forces Chitose to have sex with him by threatening to leave her friends on the island
* TheEngineer: He is the only one who knows how to fix and operate the ships on the island
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* IHaveYouNowMyPretty: [[spoiler:Subjects Chitose to this as she sacrificed herself to stop him form making Mutsumi.]]
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* IHaveYouNowMyPretty: [[spoiler:Subjects Chitose to this as she sacrificed herself to stop him form making from raping Mutsumi.]]
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*Bishōnen: As noted by the girls he is a very handsome man
*ChickMagnet: Norika and Kagami state him to be this to the girls that were on the island
*AllforNothing: [[spoiler: Sends Mutsumi and her group to go get batteries for the boat, but it is later reveled that batteries were already on the dock. Meaning that he sent them into a dangerous situation for no reason.]]
*ChickMagnet: Norika and Kagami state him to be this to the girls that were on the island
*AllforNothing: [[spoiler: Sends Mutsumi and her group to go get batteries for the boat, but it is later reveled that batteries were already on the dock. Meaning that he sent them into a dangerous situation for no reason.]]
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* IHaveYouNow,MyPretty: [[spoiler:Subjects Chitose to this as she sacrificed herself to stop him form making Mutsumi.]]
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* IHaveYouNow,MyPretty: IHaveYouNowMyPretty: [[spoiler:Subjects Chitose to this as she sacrificed herself to stop him form making Mutsumi.]]
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* IHaveYouNow,MyPretty: [[spoiler:Subjects Chitose to this as she sacrificed herself to stop him form making Mutsumi.]]
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[[folder:Shimousa]]
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[[caption-width-right:350:Pretty Boy]]
[[/folder]]
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[[caption-width-right:350:Miki(left)Aki(right)]]
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[[folder:Aki and Miki]]
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[[folder:Niigaki Chisato]]
[[folder:Nakumo Aoi]]
[[folder:Nakumo Aoi]]
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* UnwittingInstigatorofDoom: The both of them opening the school doors and going outside is what allowed the mantises to enter the school and cause the ensuing tragedy
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[[caption-width-right:346:Kyousuke]]
[[caption-width-right:346:Kyousuke]]
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[[caption-width-right:313:Nakasone Kagami]]
[[caption-width-right:313:Nakasone Kagami]]
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-> '''Voiced by''': Chikako Sugimura
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-> '''Voiced by''': Chikako Sugimura
Sugimura (JP), Michaela Laws (EN)
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* DrunkWithPower: Flashbacks and internal monologuing from Chitose implied she used to be a ReasonableAuthorityFigure. Chitose even hypothesizes that abruptly obtaining the power of life and death over the students and being forced to watch some of them die gruesomely caused her to snap.
* HeelFaceDoorSlam: She ''finally'' decides to start listening to Mutsumi after they are captured by a trapdoor spider. Unfortunately for her, she ends up dying soon afterward.
* HeelFaceDoorSlam: She ''finally'' decides to start listening to Mutsumi after they are captured by a trapdoor spider. Unfortunately for her, she ends up dying soon afterward.
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* AmbiguouslyGay: Began a relationship with Matsuoka in exchange for protection, but its uncertain if she really swings that way, or if she was just using her sex appeal and Matsuoka's sexuality to manipulate Matsuoka into protecting her. Notably, she one of the few long running females to show no sexual attraction whatsoever to Oribe.
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* AmbiguouslyGay: AmbiguouslyBi: Began a relationship with Matsuoka in exchange for protection, but its uncertain if she really swings that way, or if she was just using her sex appeal and Matsuoka's sexuality to manipulate Matsuoka into protecting her. Notably, she one of the few long running females to show no sexual attraction whatsoever to Oribe. Later, on the second island, she shows immediate and obvious attraction to the guy fixing their potential getaway boat, only to become weirded out when she hears about his reputation for "pumping and dumping".
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[[foldercontrol]]
!! Main Group
[[folder:Oribe Mutsumi]]
[[quoteright:237:https://static.tvtropes.org/pmwiki/pub/images/a_dress_2.png]]
[[caption-width-right:237: a.k.a Bug Girl]]
-> '''Voiced by''': Creator/MaoIchimichi (JP), Sarah Roach (EN)
Houshou Private High School; 2nd Year, Class 1
A normally quiet girl in class who's secretly a fanatic for insects. It's her and her knowledge of the creepy and the crawly, along with her wilderness survivor know-how, that the group must rely on in order to get them to a safe place and keep them all from dying to the many deadly insects they meet along the way.
----
* ApologeticAttacker: She's reduced to tears over having to kill insects, even to save her classmates and herself.
* BrainyBrunette: Has long brown hair and when it comes to bugs, she's the most reliable.
* ChekhovsHobby: Even before using her skill to battle off and kill the island's giant insect population, Mutsumi had displayed some knowledge of how to survive in the wilderness, and her knowledge of a variety of insect types. The captain makes reference to the idea that Mutsumi had just been a loner girl who liked to sit in the back of the class reading about insects.
* EvenTheGirlsWantHer: Usui Ryou tries to rape her while they're walking through the forest, her best friend Naruse Chitose has a crush on her, and Aoyama Nozomi and Nakasone Kagami both sexually assault her in ''Dai Kyochuu Rettou''.
* TheFarmerAndTheViper: Mutsumi [[EasilyForgiven easily forgives]] the TokenEvilTeammate of the group and those who betrayed her, who repays her kindness by either molesting her or almost getting her killed.
* FriendToBugs: When she was young she was scared of bugs, but after spending time with Enoki-sensei she eventually became the bug-loving girl we all know. It's to the point where she's initially reluctant to harm any insects -- even the giant ones that are eating her classmates -- and breaks down in tears apologizing when she's forced to.
* IgnoredExpert: Whenever her classmates ignore her advice, their survival rate drops from unlikely to nothing.
* NiceHat: Mutsumi wears a very distinguishing hat since the time of her plane crash, and is rarely seen without it since. Also somewhat doubles as a HatOfAuthority since she usually ends up in charge of the situation and telling people what to do when the latest insect emergency arises.
* TheSmartGuy: Thanks to all her time sitting in the back of the class reading up on insects, she is well versed in information about them and their habits, along with how to survive in an emergency situation such as being lost in a place with no help for a few days. It is this intelligence that everyone must rely on in order to survive.
[[/folder]]
[[folder:Naruse Chitose]]
-> '''Voiced by''': Rika Tachibana (JP), Lizzie Ray (EN)
[[quoteright:300:https://static.tvtropes.org/pmwiki/pub/images/naruse_chitose.png]]
Houshou Private High School; 2nd Year, Class 1
Class representative of Class 1, a righteous-minded girl and best friend of Mutsumi. She seeks to not only survive herself, but stay on the right path and save others as well, even when they may not entirely deserve it.
----
* BoobsOfSteel: Well endowed and once she's given a bamboo sword, bugs start to drop dead.
* BraidsOfAction: Her hair is tied in two long braids, and once she has the chance, she proves her badass credentials.
* ClassRepresentative: She was this back in school, and is even called by the other students.
* DamselInDistress: Gets kidnapped by a wasp at the end of the first chapter, forcing Mutsumi to save her and is later tied up by Misuzu and Kamijo.
* GoingCommando: Because Misuzu took off her panties and then a crab ate them, she's forced to walk this way.
* TheLancer: Not only she's Mutsumi's closest friend, she's the one who follows her advice the most.
[[/folder]]
[[folder:Matsuoka Ayumi]]
[[quoteright:141:https://static.tvtropes.org/pmwiki/pub/images/a_dress_2_0.png]]
[[caption-width-right:141: Captain]]
-> '''Voiced by''': Creator/MisatoFukuen (JP), Creator/BrittneyKarbowski (EN)
Houshou Private High School; 2nd Year, Class 1
Captain of the school softball team, an athletic girl with a kind heart, but a no-nonsense attitude along with it. She always puts herself at the forefront of the action when it comes to helping people, or staving off the latest insect threat.
----
* BoobsOfSteel: Ends up doing a lot of giant insect asskicking, and is very well endowed.
* ButchLesbian: Only when compared to Mami. Besides being something of a tomboy, she's not really a butch.
* HeroicSacrifice: Protects Mami from the firefly larvae at the cost of her life.
* HugeSchoolgirl: She's one of the tallest girls in the group.
* LesbianJock: An atheltic tomboy who likes other girls.
* SacrificialLion: She was the first person in Mutsumi's group and lasted for several chapters, only to die to protect the one she grew to care about.
* SchoolgirlLesbians: She had unrequited feelings for Oribe, and became a couple with Mami.
[[/folder]]
[[folder:Jinno Misuzu]]
[[quoteright:249:https://static.tvtropes.org/pmwiki/pub/images/misuzu_jinno_90035.jpg]]
-> '''Voiced by''': Creator/ChiakiTakahashi (JP), Creator/AmberLeeConnors (EN)
Houshou Private High School; 2nd Year, Class 1
A lewd-behaving girl whose sole interest lies in her own survival. Is not afraid to use any means at her disposal, including her own body and even other people, in order to get her way.
----
* DeathEqualsRedemption: [[spoiler: Unlike Kamijou, Misuzu shows that her humanity is still intact when she sacrifices herself to save her group. Mami, who is among her primary victim, even mourns her death.]]
* DepravedBisexual: She has sex with multiple men, but also molests Mami and tries to rape Chitose.
* EnemyMine: She initially conspires with Kamijo against Mutsumi, but when it becomes clear that keeping Mutsumi alive is her best chance at surviving she changes sides.
* EvilRedhead: Not necessarily evil, but acts like a bitch a lot of the time, and is willing to sacrifice others if it means her own survival. This trait mellows out somewhat as the story progresses, [[spoiler:to the point where she sacrifices herself so the others can escape]].
* FaceDeathWithDignity: [[spoiler: When she comes face-to-face with a giant centipede, Misuzu shows no fear and swings her axe at the centipede just as the ship she is on explodes]].
* HeelFaceTurn: Misuzu started off as a bullying AlphaBitch who has conspire with Kamijo to get Mutsumi killed but she eventually pull her own weight for the group and [[spoiler:even perform a HeroicSacrifice]].
* HeroicSacrifice: When the giant centipede attacks the ship while the group is trying to escape, [[spoiler:Jinno sacrifices herself to distract it and blow the ship up.]]
* SextraCredit: Was spotted having sex with one of her teachers by Chitose in order to get a good grade on an upcoming test.
* {{Stripperiffic}}: At first she wore a jacket, but once she loses it to giant crabs, she spends the rest of her time wearing only a tank-top with no bra, tiny shorts and boots.
* WhoWearsShortShorts: Throughout her time in the manga she has worn a pair of shorts so tiny and fitted that they may as well be a pair of bikini bottoms.
[[/folder]]
[[folder:Kamijo Atsushi]]
[[quoteright:289:https://static.tvtropes.org/pmwiki/pub/images/atsushi_kamijo_90037.jpg]]
-> '''Voiced by''': Wataru Komada (JP), Creator/{{Lanipator}} (EN)
Houshou Private High School; 2nd Year, Class 5
A delinquent who aims to be the group's leader, and will try to do so in any situation by any means. No matter what the situation may be or who he endangers with his rash actions.
----
* BlackEyesOfEvil: His eyes turn solid black after he's anally raped and impregnated by giant botflies.
* DeathBySex: He blackmails Suzuki into having sex with him, leading to them both being raped and impregnated by giant botflies, whose larvae eat them from the inside-out.
* HateSink: Sure they are a few in the group but Kamijou stands out as the most despicable of them all. Not only he attempted to get Mutsumi killed on more than one occassion, he had molested several girls and even blackmails them to becoming his SexSlave with the promise of protection.
* LaserGuidedKarma: After threatening Suzuki into having sex with him, he's anally raped by a giant botfly. Unfortunately, Suzuki suffers a similar fate.
* LeaderWannabe: He immediately proclaims himself leader, but all he does is being a petty thug and walk straight into danger. The only reason he lasts so long is that he begrudgingly started following Mutsumi's orders.
* TheLoad: As soon as a stinkbug bites him, he whines and becomes totally useless.
* MoralityChain: The only person he ever showed genuine care was his friend Akira, and he became infinitely worse the moment he died.
* SanitySlippage: While already a nasty person, he becomes increasingly unhinged as the story progresses.
* SmallNameBigEgo: Acts as if he's a badass who everyone should obey, but he's nothing more than a stupid thug that only survives for so long thanks to dumb luck and the fact Mutsumi won't let him die.
* TheStarscream: Attempted several times to unsurp leadership over Mutsumi.
* TokenEvilTeammate: While the is not the only one, Kamijou is definately the worst of them.
* TooDumbToLive: While his stupidity had already gotten him into trouble before, his final one takes the grand prize: Mutsumi warns him they need to keep the fire going so the smoke scares off the insects, and that they're attracted to sweat and carbon dioxide. So what does he do? Forcing Suzuki to have sex with him (which obviously involves lots of sweat and breathing), and then they both fall asleep. Three guesses what happened next, and the first two don't count.
[[/folder]]
[[folder:Miura Mami]]
[[quoteright:300:https://static.tvtropes.org/pmwiki/pub/images/miura_mami.png]]
-> '''Voiced by''': Creator/MomoAsakura (JP), Creator/KayliMills (EN)
A popular idol who attends the school, is the object of adoration by many of her male (and some female) classmates. Though physically and emotionally weak, and not adept to the harsh wilderness of the island, she is still intent on surviving by any means necessary.
----
* AlliterativeName: '''M'''ami '''M'''iura
* AmbiguouslyGay: Began a relationship with Matsuoka in exchange for protection, but its uncertain if she really swings that way, or if she was just using her sex appeal and Matsuoka's sexuality to manipulate Matsuoka into protecting her. Notably, she one of the few long running females to show no sexual attraction whatsoever to Oribe.
* BitchInSheepsClothing: She doesn't hesitate to turn the tables on Misuzu, who bullied her, and flashes a nasty SlasherSmile.
* BringMyBrownPants: Urinates herself when she sees the Protohermes Grandis splitting Shirakawa in half.
* RoseHairedSweetie: Hair is a pretty shade of bubblegum pink, though slightly subverted as, even though she may act this way with most people, she also has a darker, more manipulative side.
%%* TeenIdol
* IdolSinger: Mami has made mention that she has produced a CD that has sold an impressive amount of copies, and is fairly famous in their school.
* RapeAsDrama: Was pimped out by her own idol office and raped by an idol industry executive.
* SanitySlippage: When Matsuoka dies protecting her from firefly larvae, Mami snaps and blames Marika and Nozomi for not letting them inside the cabin.
* SchoolgirlLesbians: With Captain Matsuoka, who she has sex with in exchange for protection from Misuzu.
* SurvivorsGuilt: Blames herself for Matsuoka's untimely death, since she died saving her.
* TookALevelInBadass: Becomes a gun toting badass in the sequel, and she and Kai are the only characters of Oribe's group using guns consistently in the sequel.
[[/folder]]
[[folder:Kai Kazuhiko]]
[[quoteright:249:https://static.tvtropes.org/pmwiki/pub/images/kai_69.png]]
-> '''Voiced by''': Creator/TakuyaEguchi (JP), Creator/AlejandroSaab (EN)
Houshou Private High School; 2nd Year, Class 4
A seemingly self-interested punk who only aims for his own survival, often ends up playing an integral role of the group's survival due to his quick thinking and technical know-how.
----
* AlliterativeName: '''Ka'''zuhiko '''Ka'''i
* DeathGlare: Delivers a particularly evil one after stopping a survivor from attempting to rape Mutsumi.
* DreadlockRasta: Though not especially known for being a delinquent, Kai has shown some disdain for authority figures and a bit of a laid-back attitude. Though he has been shown to also have hung out with the likes of Leader while in normal school, which contributes to his usual image of being something of a punk.
* JerkWithAHeartOfGold: Initially he acted vaguely wishy-washy about his allegiances, only seeming interested in his own survival, Kai goes on to prove himself as a steadfast ally to Mutsumi's group, going out of his way to help other people even when it may endanger himself. Even back when he was in school, he was shown to want to help people being bullied.
* MasterOfUnlocking: Was the one to get the group into the hospital initially, claiming he got in through an open window, but he reveals later on that he had actually picked the lock on the hospital door and just lied about it. He claims that things like this are his specialty.
* TheOneGuy: He's the only known male who escapes the first island.
* RapeIsASpecialKindOfEvil: He shows utter contempt for Usui for trying to rape Mutsumi.
* TheSoCalledCoward: Kai prefers to mostly stay out of anything that might put himself at risk, but when one of his friends is in danger, he is shown to be one of the ones most willing to help and quickly formulates ideas to contribute to saving the group.
[[/folder]]
[[folder:Shirakawa Miki]]
Houshou Private High School, 2nd Year, Class 2
A shy, quiet girl in the group, an alert girl with good hearing due to her timid nature. She has a grandmother at home who is diabetic.
----
* AdaptedOut: She's completely absent in the anime series. Considering her lack of importance in the overall story, it's hard to notice.
* HalfTheManHeUsedToBe: The way she dies at the pincers of the Protohermes Grandis.
* TheQuietOne: Not very talkative.
* WeHardlyKnewYe: As soon as we learn more about her, a wasp chews her in half.
[[/folder]]
[[folder:Tsuge Hiroshi]]
-> '''Voiced by''': Creator/TakuYashiro (JP), Creator/BrendanBlaber (EN)
[[quoteright:300:https://static.tvtropes.org/pmwiki/pub/images/hiroshi_tsuge_181043.jpg]]
Houshou Private High School; 2nd Year, Class 4
A survivor of the plane crash.
----
* DelinquentHair: Has a pompadour.
* EyeScream: A swallowtail butterfly stabs him in the eye with its proboscis.
* RedShirt: He's only there to be killed by the butterflies.
[[/folder]]
[[folder:Inou Ai]]
-> '''Voiced by''': Creator/YurikaKubo (JP), Creator/SarahWiedenheft (EN)
[[quoteright:225:https://static.tvtropes.org/pmwiki/pub/images/393530.jpg]]
Houshou Private High School; 2nd Year, Class 2
An energetic girl from the school Wandervogel Club, knows how to make simple maps. The first casualty to the giant insects.
----
* BringMyBrownPants: Pisses herself when the giant swallowtail butterflies are about to suck her fluids.
* CruelAndUnusualDeath: Having your insides sucked out by a swallowtail butterfly via OrificeInvasion is not a pretty way to go, and it shows what's about to come.
* NiceGirl: What little personality she showed was a general friendliness and optimism.
* OrificeInvasion: Her death sets the tone of the series, and involves a giant swallowtail butterfly stabbing her in the crotch with its proboscis and sucking out her insides.
* WeHardlyKnewYe: As one of the first casualties of the giant insects, she got very little time to show much character before she died.
[[/folder]]
[[folder:Oda Satoshi]]
-> '''Voiced by''': Ryota Suzuki (JP), [=YongYea=] (EN)
[[quoteright:237:https://static.tvtropes.org/pmwiki/pub/images/oda_satoshi_manga.png]]
Houshou Private High School; 2nd Year, Class 3
An overweight boy in the group, one of the earliest casualties to the giant insects.
----
* {{Otaku}}: Is not seen doing anything otaku-ish, but is mentioned as one by one of the group members.
* WeHardlyKnewYe: Due to his sudden death in early chapters while trying to save Mami.
[[/folder]]
!! Marika-sensei's Group
[[folder:Chuujou Marika]]
Houshou Private High School; Homeroom Teacher of 2nd Year, Class 5
Seemingly the only adult left alive on the island, a stubborn woman who seeks to take charge of all of the students and dislikes any perceived challenges to her authority, even when the people questioning her actions might have a point.
----
* AdaptationalEarlyAppearance: She's seen during the airport scene at the beginning of the movie.
* BringMyBrownPants: Wets herself as she watches Usui die.
* CruelAndUnusualDeath: She's ripped to pieces by the thread of the panicking trap-door spider.
* CurtainsMatchTheWindows: The anime movie gives her dark purple hair and purple eyes.
* KickTheSonOfABitch: While she wasn't much better, when she kicked Mazawa over the cliff you might have cheered a bit.
* LeaderWannabe: She tries to take charge, but is pretty clear she's callous and utterly useless to lead the students.
* TheLoad: Her stubborn refusal to listen Mutsumi and her obsession with safety leads to several unnecessary deaths.
* NotNowKiddo: Marika evokes a far more callous variant, dismissing Mutsumi out of hand due to her only being 15.
[[/folder]]
[[folder:Aoyama Nozomi]]
Houshou Private High School; 2nd Year, Class 4
A girl who is extremely loyal to Marika due to being saved from Miss Nozawa by her. Aoyama Nozomi is willing to defend Marika's actions and even threaten others when it seems they might let her be harmed or question Marika's authority.
----
* AttemptedRape: In ''Dai Kyochuu Rettou'', she forces herself on Oribe in the hallway of a beach showering facility, only to be stopped by Chitose. Ironically, she saves Oribe from being raped by Nakasone Kagami after Oribe passes out from drinking strong booze.
* BringMyBrownPants: Wets herself when she finds herself surrounded on three sides by hungry rhino beetles.
* IJustWantToBeLoved: Her low self-esteem and desire to be loved are what lead her to become Nozawa's sex toy and later Marika's loony supporter. Now she has transferred her affections towards the one who saved her, Mutsumi Oribe.
* TheLoad: At first she was only an annoying deadweight because of her blinding devotion to Marika, but after losing her marbles she turns into a very dangerous and vindictive deadweight.
* LoveMakesYouEvil: Combined with LoveMakesYouCrazy, since she loses most of her sanity in her desire to kill Mutsumi for (indirectly and unintentionally) leading Marika's death.
* NiceJobBreakingItHero: When she tries to scare off the trap door spider using the recorded wasp sounds, the cornered arthropod ends up tightening its thread so much it rips Marika to pieces.
* ReplacementGoldfish: In ''Dai Kyochuu Rettou'' she asks Oribe to be a replacement for Marika as she forces herself on her.
* SanitySlippage: She initially acted as Marika's NumberTwo, stubbornly ignoring Oribe's warnings and advice. After Marika is killed, Nozomi snaps and repeatedly tries to kill Oribe, blaming her for her lover's death. After the group arrives on a new island, however, she declares that she wants Oribe to be Marika's replacement before sexually assaulting her.
* PleaseIWillDoAnything: Says this trope word for word when trying to convince Kai to aid her in rescuing Marika from the enormous spider and follows through with it by [[spoiler:pushing him down and having sex with him in front of the shrine]].
* StupidEvil: Puts Marika's severed hand on Mutsumi's bag in order to attract giant bugs, despite it being obvious those same insects would also kill her and everyone else. She later tries to push Mutsumi onto a pile of millipedes in order to poison her, only to end up falling herself. This is while a giant centipede is nearby.
* TroubleMagnetGambit: Her plan to kill Matsumi using Marika's severed hand ends up almost getting her and everyone else killed.
* YouGottaHaveBlueHair: As shown in the volume 5 cover, her hair is a shade of green.
* ViolentlyProtectiveGirlfriend: While the attraction is onesided on Nozomi's part, after [[CantHoldHisLiquor passing out from drinking moonshine]], Nozomi regains consciousness to see Nakasone Kagami stripping a half-conscious and unwilling Oribe naked and preparing to eat her out. Nozomi promptly bashes Nakasone over the head with a folding chair, and remains hostile (and jealous) towards her.
[[/folder]]
[[folder:Momosaki Kasumi]]
Houshou Private High School; 2nd Year, Class 3
----
* CharacterDevelopment: Becomes much less bitchy in the second manga, and comes to believe in Oribe and the others as her friends.
* TheLoad: Almost as bad as Mami, constantly getting scared, running off and whining about the situation.
* NiceHat: Wears a pretty one during the day. After the incident with the tiger beetle larvae, she seems to have lost it.
* OjouRinglets: The ends of her hair have curls, and it fits her rich upbringing.
* RichBitch: Seems to come from a wealthy family, and is quite bitchy at first.
* ShamefulStrip: Forced to strip naked and is almost raped by Kamijo, luckily the scarab beetles interrupt the attempt.
** It later happens to her ''again'' in the second manga.
[[/folder]]
[[folder:Suzuki Kayo]]
[[quoteright:249:https://static.tvtropes.org/pmwiki/pub/images/kayo_suzuki_193785.jpg]]
Houshou Private High School; 2nd Year, Class 2
----
* AdaptationalEarlyAppearance: She's seen during the airport scene at the beginning of the movie.
* BlackEyesOfEvil: Her eyes turn solid black after she's impregnated by the botflies.
* CruelAndUnusualDeath: [[spoiler:She's raped by two giant botflies, the larvae of which burst by the dozen from her abdomen.]] It's just as nasty as it sounds.
* DeathBySex: Kamijo blackmails her into having sex with him, leading to them both being raped and impregnated by giant botflies, whose larvae eat them from the inside-out.
* MauveShirt: Lasts for several chapters, but as soon as she gets some spotlight, things get nasty.
* RapeAsDrama: Kamijo threatens her into having sex with him and they fall asleep together. When they wake up they're attacked by giant botflies, one of which stabs its ovipositor into her vagina and the other stabs its ovipositor into her throat as she begs for Oribe to come save her. [[spoiler:In the next few chapters, she's shown being impregnated with the botflies' larvae, expanding her torso to disgusting levels and resulting in them bursting from her body, killing her.]]
* SignatureHeadgear: Wears a hairband, which is her most outstanding feature.
[[/folder]]
[[folder:Minowa Takeshi]]
Houshou Private High School; 2nd Year, Class 5
A tall, strong student and member of the school Judo Club and a National Polity Strengthening member.
----
* CruelAndUnusualDeath: Gets his innards liquified and then sucked dry by the trap door spider.
* GentleGiant: Pretty big, but is generally a reasonable guy. He also has the odd distinction of not being a rapist.
* MauveShirt: Lasts for some chapters, and then he's killed by the trap door spider.
[[/folder]]
[[folder:Miyasono Emiko]]
[[quoteright:249:https://static.tvtropes.org/pmwiki/pub/images/emiko_miyazono_181024.jpg]]
-> '''Voiced by''': Chikako Sugimura
Houshou Private High School; 2nd Year, Class 4
----
* AdaptationalEarlyAppearance: She's seen during the airport scene at the beginning of the movie.
* WeHardlyKnewYe: Lasts very little and is then dragged to her death by the tiger beetle larvae.
[[/folder]]
[[folder:Usui Ryou]]
Houshou Private High School; 2nd Year, Class 2
----
* AttemptedRape: He grabs Mutsumi and tries to rape her while the group is walking at night, but is stopped by Chitose and Kai.
* CasanovaWannabe: He's fairly handsome and thinks he's the hottest boy in the school and hits on every girl he meets, but he has a reputation for being scum and is coldly rebuked off.
* LaserGuidedKarma: Just as it seems like he might get a KarmaHoudini over trying to rape Mutsumi -- Nozomi disregarding Chitose's accusations and blaming Mutsumi for holding the group up -- he's eaten by a swarm of firefly larvae.
* SlashedThroat: One of the fireflies chews on his carotid artery, killing him within seconds.
* WeHardlyKnewYe: All we know is he's a pervert and wannabe rapist, before dying to firefly larvae.
[[/folder]]
[[folder:Miss Nozawa]]
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ms_nozawa_181025.jpg]]
-> '''Voiced by''': Asumi Yoneyama
Art teacher of Houshou Private High School, was killed by ticks after being pushed off a cliff by Marika.
----
* AdaptationalEarlyAppearance: She's seen during the airport scene at the beginning of the movie.
* AssholeVictim: Her way of death is rather horrible, but once you find out what she did to Aoyama, you'll probably won't feel sorry about her fate.
* BeautyIsBad: Physically attractive and sexually depraved.
* FourEyesZeroSoul: Wore glasses and was a blackmailer and depraved molester.
* LastNameBasis: Her first name was never mentioned.
* SadisticTeacher: Blackmailed and molested Aoyama and even forced her to pose nude for her art class against her will.
[[/folder]]
!!Rescue Team
[[folder:Shikimori Ryoko]]
[[quoteright:235:https://static.tvtropes.org/pmwiki/pub/images/dkr_ryouko.JPG]]
[[caption-width-right:235:Shikimori Ryoko]]
Coast Guard officer who arrived on her boat to investigate the island the rest of the characters landed on. She ends up helping to rescue the survivors. However, her ship is destroyed and her crew killed due to a terminal case of LawfulStupid, leaving her as the only survivor.
----
* LawfulStupid: She had it just as bad as the rest of the crew on her ship, but, thankfully, she quickly started growing out of it.
** Unfortunately, it comes roaring right back in the sequel, as she consistently tries to prevent Kai and Mami from pointing guns at people ''who are already pointing guns at them and taking people hostage''. Predictably, this gets her shot in a tense standoff.
* OnlySaneMan: Of her ship's crew, the only one to realize the gravity of the situation and start reacting accordingly. She's also one of the few characters to start listening to Oribe immediately and never questions here expertise about bugs. Subverted later when being a stickler for the law means she fails to grasp that when hostile people are waving guns at you, you should wave guns at them back.
* SixthRanger: Joins the rest of the cast near the end of the first manga, and remains with them into the second.
[[/folder]]
[[folder:Pops]]
[[/folder]]
[[folder:Zensan]]
[[/folder]]
!!Tatsuno Kami Island
[[folder:Nakumo Hyoue]]
[[/folder]]
[[folder:Kyousuke]]
* HeWhoFightsMonsters: When survivors from other islands repay the islanders kindness by stealing their supplies and raping the women, Kyousuke and his group become wary of survivors. He end up doing the same by sexually assaulting Toki, Mutsumi and Chitose.
* {{Hypocrite}}: He doesn't trusts outsiders because they are being UngratefulBastard who raped the women of the island. Not only does Kyousuke constantly betrays Mutsumi everytime she saves him, he also sexually assaulted Toki, Mutsumi and Chitose.
* UngratefulBastard: Kyousuke stands out as the worst of the series. While the islanders have reasons not to trust outsiders, Kyousuke betrays Mutsumi's group several times even after Mutsumi saves his ass.
[[/folder]]
[[folder:Norika]]
[[/folder]]
[[folder:Mishimo Mitsuoto]]
[[/folder]]
[[folder:Nakasone Kagami]]
[[/folder]]
[[folder:Toki]]
[[/folder]]
[[folder:Nakumo Aoi]]
[[/folder]]
[[folder:Maeda and Shige]]
An elderly couple holding up at the high school.
---------
* DeadHatShot: His torn and bloodied hat was found by the other survivors at school, confirming his death.
* ExtremeDoormat: Shige is implied to be one as she easily submitted to Maeda when he yell at her.
* TooDumbToLive: After being spooked by a praying mantis outside a window, Maeda and Shige run out of the safety of the school and are killed not long after taking a few steps from the gates.
[[/folder]]
!!Other Characters
[[folder:Enoki Inaho]]
-> '''Voiced by''': Creator/MarinaInoue (JP), Elsie Lovelock (EN)
[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/393533.jpg]]
An entomologist who befriended Mutsumi and taught her everything there is to know about insects. She was the main character of the author's previous work ''Vector Case Files''.
----
* AdaptationalEarlyAppearance: Mutsumi thinks about her in the OVA long before she was mentioned in the manga.
* AwesomenessByAnalysis: She was capable of targeting the weak points of a thug just by observing his body language and constitution.
* BadassTeacher: She might not have fighting skills (that we know of) but she certainly knows about knots. ''Kyomushi Sanmyaku'' shows she's very good at reading both insect and human movements to avoid and target the weak points.
* HeroOfAnotherStory: She's one of the main characters of the spin-off ''Kyomushi Sanmyaku''.
* HotTeacher: Unlike Nozawa and Chuujou, she wasn't a case of BeautyIsBad.
* FriendToBugs: The one who instilled Mutsumi's passion about insects and other bugs.
* TheMentor: Of Oribe.
[[/folder]]
----
!! Main Group
[[folder:Oribe Mutsumi]]
[[quoteright:237:https://static.tvtropes.org/pmwiki/pub/images/a_dress_2.png]]
[[caption-width-right:237: a.k.a Bug Girl]]
-> '''Voiced by''': Creator/MaoIchimichi (JP), Sarah Roach (EN)
Houshou Private High School; 2nd Year, Class 1
A normally quiet girl in class who's secretly a fanatic for insects. It's her and her knowledge of the creepy and the crawly, along with her wilderness survivor know-how, that the group must rely on in order to get them to a safe place and keep them all from dying to the many deadly insects they meet along the way.
----
* ApologeticAttacker: She's reduced to tears over having to kill insects, even to save her classmates and herself.
* BrainyBrunette: Has long brown hair and when it comes to bugs, she's the most reliable.
* ChekhovsHobby: Even before using her skill to battle off and kill the island's giant insect population, Mutsumi had displayed some knowledge of how to survive in the wilderness, and her knowledge of a variety of insect types. The captain makes reference to the idea that Mutsumi had just been a loner girl who liked to sit in the back of the class reading about insects.
* EvenTheGirlsWantHer: Usui Ryou tries to rape her while they're walking through the forest, her best friend Naruse Chitose has a crush on her, and Aoyama Nozomi and Nakasone Kagami both sexually assault her in ''Dai Kyochuu Rettou''.
* TheFarmerAndTheViper: Mutsumi [[EasilyForgiven easily forgives]] the TokenEvilTeammate of the group and those who betrayed her, who repays her kindness by either molesting her or almost getting her killed.
* FriendToBugs: When she was young she was scared of bugs, but after spending time with Enoki-sensei she eventually became the bug-loving girl we all know. It's to the point where she's initially reluctant to harm any insects -- even the giant ones that are eating her classmates -- and breaks down in tears apologizing when she's forced to.
* IgnoredExpert: Whenever her classmates ignore her advice, their survival rate drops from unlikely to nothing.
* NiceHat: Mutsumi wears a very distinguishing hat since the time of her plane crash, and is rarely seen without it since. Also somewhat doubles as a HatOfAuthority since she usually ends up in charge of the situation and telling people what to do when the latest insect emergency arises.
* TheSmartGuy: Thanks to all her time sitting in the back of the class reading up on insects, she is well versed in information about them and their habits, along with how to survive in an emergency situation such as being lost in a place with no help for a few days. It is this intelligence that everyone must rely on in order to survive.
[[/folder]]
[[folder:Naruse Chitose]]
-> '''Voiced by''': Rika Tachibana (JP), Lizzie Ray (EN)
[[quoteright:300:https://static.tvtropes.org/pmwiki/pub/images/naruse_chitose.png]]
Houshou Private High School; 2nd Year, Class 1
Class representative of Class 1, a righteous-minded girl and best friend of Mutsumi. She seeks to not only survive herself, but stay on the right path and save others as well, even when they may not entirely deserve it.
----
* BoobsOfSteel: Well endowed and once she's given a bamboo sword, bugs start to drop dead.
* BraidsOfAction: Her hair is tied in two long braids, and once she has the chance, she proves her badass credentials.
* ClassRepresentative: She was this back in school, and is even called by the other students.
* DamselInDistress: Gets kidnapped by a wasp at the end of the first chapter, forcing Mutsumi to save her and is later tied up by Misuzu and Kamijo.
* GoingCommando: Because Misuzu took off her panties and then a crab ate them, she's forced to walk this way.
* TheLancer: Not only she's Mutsumi's closest friend, she's the one who follows her advice the most.
[[/folder]]
[[folder:Matsuoka Ayumi]]
[[quoteright:141:https://static.tvtropes.org/pmwiki/pub/images/a_dress_2_0.png]]
[[caption-width-right:141: Captain]]
-> '''Voiced by''': Creator/MisatoFukuen (JP), Creator/BrittneyKarbowski (EN)
Houshou Private High School; 2nd Year, Class 1
Captain of the school softball team, an athletic girl with a kind heart, but a no-nonsense attitude along with it. She always puts herself at the forefront of the action when it comes to helping people, or staving off the latest insect threat.
----
* BoobsOfSteel: Ends up doing a lot of giant insect asskicking, and is very well endowed.
* ButchLesbian: Only when compared to Mami. Besides being something of a tomboy, she's not really a butch.
* HeroicSacrifice: Protects Mami from the firefly larvae at the cost of her life.
* HugeSchoolgirl: She's one of the tallest girls in the group.
* LesbianJock: An atheltic tomboy who likes other girls.
* SacrificialLion: She was the first person in Mutsumi's group and lasted for several chapters, only to die to protect the one she grew to care about.
* SchoolgirlLesbians: She had unrequited feelings for Oribe, and became a couple with Mami.
[[/folder]]
[[folder:Jinno Misuzu]]
[[quoteright:249:https://static.tvtropes.org/pmwiki/pub/images/misuzu_jinno_90035.jpg]]
-> '''Voiced by''': Creator/ChiakiTakahashi (JP), Creator/AmberLeeConnors (EN)
Houshou Private High School; 2nd Year, Class 1
A lewd-behaving girl whose sole interest lies in her own survival. Is not afraid to use any means at her disposal, including her own body and even other people, in order to get her way.
----
* DeathEqualsRedemption: [[spoiler: Unlike Kamijou, Misuzu shows that her humanity is still intact when she sacrifices herself to save her group. Mami, who is among her primary victim, even mourns her death.]]
* DepravedBisexual: She has sex with multiple men, but also molests Mami and tries to rape Chitose.
* EnemyMine: She initially conspires with Kamijo against Mutsumi, but when it becomes clear that keeping Mutsumi alive is her best chance at surviving she changes sides.
* EvilRedhead: Not necessarily evil, but acts like a bitch a lot of the time, and is willing to sacrifice others if it means her own survival. This trait mellows out somewhat as the story progresses, [[spoiler:to the point where she sacrifices herself so the others can escape]].
* FaceDeathWithDignity: [[spoiler: When she comes face-to-face with a giant centipede, Misuzu shows no fear and swings her axe at the centipede just as the ship she is on explodes]].
* HeelFaceTurn: Misuzu started off as a bullying AlphaBitch who has conspire with Kamijo to get Mutsumi killed but she eventually pull her own weight for the group and [[spoiler:even perform a HeroicSacrifice]].
* HeroicSacrifice: When the giant centipede attacks the ship while the group is trying to escape, [[spoiler:Jinno sacrifices herself to distract it and blow the ship up.]]
* SextraCredit: Was spotted having sex with one of her teachers by Chitose in order to get a good grade on an upcoming test.
* {{Stripperiffic}}: At first she wore a jacket, but once she loses it to giant crabs, she spends the rest of her time wearing only a tank-top with no bra, tiny shorts and boots.
* WhoWearsShortShorts: Throughout her time in the manga she has worn a pair of shorts so tiny and fitted that they may as well be a pair of bikini bottoms.
[[/folder]]
[[folder:Kamijo Atsushi]]
[[quoteright:289:https://static.tvtropes.org/pmwiki/pub/images/atsushi_kamijo_90037.jpg]]
-> '''Voiced by''': Wataru Komada (JP), Creator/{{Lanipator}} (EN)
Houshou Private High School; 2nd Year, Class 5
A delinquent who aims to be the group's leader, and will try to do so in any situation by any means. No matter what the situation may be or who he endangers with his rash actions.
----
* BlackEyesOfEvil: His eyes turn solid black after he's anally raped and impregnated by giant botflies.
* DeathBySex: He blackmails Suzuki into having sex with him, leading to them both being raped and impregnated by giant botflies, whose larvae eat them from the inside-out.
* HateSink: Sure they are a few in the group but Kamijou stands out as the most despicable of them all. Not only he attempted to get Mutsumi killed on more than one occassion, he had molested several girls and even blackmails them to becoming his SexSlave with the promise of protection.
* LaserGuidedKarma: After threatening Suzuki into having sex with him, he's anally raped by a giant botfly. Unfortunately, Suzuki suffers a similar fate.
* LeaderWannabe: He immediately proclaims himself leader, but all he does is being a petty thug and walk straight into danger. The only reason he lasts so long is that he begrudgingly started following Mutsumi's orders.
* TheLoad: As soon as a stinkbug bites him, he whines and becomes totally useless.
* MoralityChain: The only person he ever showed genuine care was his friend Akira, and he became infinitely worse the moment he died.
* SanitySlippage: While already a nasty person, he becomes increasingly unhinged as the story progresses.
* SmallNameBigEgo: Acts as if he's a badass who everyone should obey, but he's nothing more than a stupid thug that only survives for so long thanks to dumb luck and the fact Mutsumi won't let him die.
* TheStarscream: Attempted several times to unsurp leadership over Mutsumi.
* TokenEvilTeammate: While the is not the only one, Kamijou is definately the worst of them.
* TooDumbToLive: While his stupidity had already gotten him into trouble before, his final one takes the grand prize: Mutsumi warns him they need to keep the fire going so the smoke scares off the insects, and that they're attracted to sweat and carbon dioxide. So what does he do? Forcing Suzuki to have sex with him (which obviously involves lots of sweat and breathing), and then they both fall asleep. Three guesses what happened next, and the first two don't count.
[[/folder]]
[[folder:Miura Mami]]
[[quoteright:300:https://static.tvtropes.org/pmwiki/pub/images/miura_mami.png]]
-> '''Voiced by''': Creator/MomoAsakura (JP), Creator/KayliMills (EN)
A popular idol who attends the school, is the object of adoration by many of her male (and some female) classmates. Though physically and emotionally weak, and not adept to the harsh wilderness of the island, she is still intent on surviving by any means necessary.
----
* AlliterativeName: '''M'''ami '''M'''iura
* AmbiguouslyGay: Began a relationship with Matsuoka in exchange for protection, but its uncertain if she really swings that way, or if she was just using her sex appeal and Matsuoka's sexuality to manipulate Matsuoka into protecting her. Notably, she one of the few long running females to show no sexual attraction whatsoever to Oribe.
* BitchInSheepsClothing: She doesn't hesitate to turn the tables on Misuzu, who bullied her, and flashes a nasty SlasherSmile.
* BringMyBrownPants: Urinates herself when she sees the Protohermes Grandis splitting Shirakawa in half.
* RoseHairedSweetie: Hair is a pretty shade of bubblegum pink, though slightly subverted as, even though she may act this way with most people, she also has a darker, more manipulative side.
%%* TeenIdol
* IdolSinger: Mami has made mention that she has produced a CD that has sold an impressive amount of copies, and is fairly famous in their school.
* RapeAsDrama: Was pimped out by her own idol office and raped by an idol industry executive.
* SanitySlippage: When Matsuoka dies protecting her from firefly larvae, Mami snaps and blames Marika and Nozomi for not letting them inside the cabin.
* SchoolgirlLesbians: With Captain Matsuoka, who she has sex with in exchange for protection from Misuzu.
* SurvivorsGuilt: Blames herself for Matsuoka's untimely death, since she died saving her.
* TookALevelInBadass: Becomes a gun toting badass in the sequel, and she and Kai are the only characters of Oribe's group using guns consistently in the sequel.
[[/folder]]
[[folder:Kai Kazuhiko]]
[[quoteright:249:https://static.tvtropes.org/pmwiki/pub/images/kai_69.png]]
-> '''Voiced by''': Creator/TakuyaEguchi (JP), Creator/AlejandroSaab (EN)
Houshou Private High School; 2nd Year, Class 4
A seemingly self-interested punk who only aims for his own survival, often ends up playing an integral role of the group's survival due to his quick thinking and technical know-how.
----
* AlliterativeName: '''Ka'''zuhiko '''Ka'''i
* DeathGlare: Delivers a particularly evil one after stopping a survivor from attempting to rape Mutsumi.
* DreadlockRasta: Though not especially known for being a delinquent, Kai has shown some disdain for authority figures and a bit of a laid-back attitude. Though he has been shown to also have hung out with the likes of Leader while in normal school, which contributes to his usual image of being something of a punk.
* JerkWithAHeartOfGold: Initially he acted vaguely wishy-washy about his allegiances, only seeming interested in his own survival, Kai goes on to prove himself as a steadfast ally to Mutsumi's group, going out of his way to help other people even when it may endanger himself. Even back when he was in school, he was shown to want to help people being bullied.
* MasterOfUnlocking: Was the one to get the group into the hospital initially, claiming he got in through an open window, but he reveals later on that he had actually picked the lock on the hospital door and just lied about it. He claims that things like this are his specialty.
* TheOneGuy: He's the only known male who escapes the first island.
* RapeIsASpecialKindOfEvil: He shows utter contempt for Usui for trying to rape Mutsumi.
* TheSoCalledCoward: Kai prefers to mostly stay out of anything that might put himself at risk, but when one of his friends is in danger, he is shown to be one of the ones most willing to help and quickly formulates ideas to contribute to saving the group.
[[/folder]]
[[folder:Shirakawa Miki]]
Houshou Private High School, 2nd Year, Class 2
A shy, quiet girl in the group, an alert girl with good hearing due to her timid nature. She has a grandmother at home who is diabetic.
----
* AdaptedOut: She's completely absent in the anime series. Considering her lack of importance in the overall story, it's hard to notice.
* HalfTheManHeUsedToBe: The way she dies at the pincers of the Protohermes Grandis.
* TheQuietOne: Not very talkative.
* WeHardlyKnewYe: As soon as we learn more about her, a wasp chews her in half.
[[/folder]]
[[folder:Tsuge Hiroshi]]
-> '''Voiced by''': Creator/TakuYashiro (JP), Creator/BrendanBlaber (EN)
[[quoteright:300:https://static.tvtropes.org/pmwiki/pub/images/hiroshi_tsuge_181043.jpg]]
Houshou Private High School; 2nd Year, Class 4
A survivor of the plane crash.
----
* DelinquentHair: Has a pompadour.
* EyeScream: A swallowtail butterfly stabs him in the eye with its proboscis.
* RedShirt: He's only there to be killed by the butterflies.
[[/folder]]
[[folder:Inou Ai]]
-> '''Voiced by''': Creator/YurikaKubo (JP), Creator/SarahWiedenheft (EN)
[[quoteright:225:https://static.tvtropes.org/pmwiki/pub/images/393530.jpg]]
Houshou Private High School; 2nd Year, Class 2
An energetic girl from the school Wandervogel Club, knows how to make simple maps. The first casualty to the giant insects.
----
* BringMyBrownPants: Pisses herself when the giant swallowtail butterflies are about to suck her fluids.
* CruelAndUnusualDeath: Having your insides sucked out by a swallowtail butterfly via OrificeInvasion is not a pretty way to go, and it shows what's about to come.
* NiceGirl: What little personality she showed was a general friendliness and optimism.
* OrificeInvasion: Her death sets the tone of the series, and involves a giant swallowtail butterfly stabbing her in the crotch with its proboscis and sucking out her insides.
* WeHardlyKnewYe: As one of the first casualties of the giant insects, she got very little time to show much character before she died.
[[/folder]]
[[folder:Oda Satoshi]]
-> '''Voiced by''': Ryota Suzuki (JP), [=YongYea=] (EN)
[[quoteright:237:https://static.tvtropes.org/pmwiki/pub/images/oda_satoshi_manga.png]]
Houshou Private High School; 2nd Year, Class 3
An overweight boy in the group, one of the earliest casualties to the giant insects.
----
* {{Otaku}}: Is not seen doing anything otaku-ish, but is mentioned as one by one of the group members.
* WeHardlyKnewYe: Due to his sudden death in early chapters while trying to save Mami.
[[/folder]]
!! Marika-sensei's Group
[[folder:Chuujou Marika]]
Houshou Private High School; Homeroom Teacher of 2nd Year, Class 5
Seemingly the only adult left alive on the island, a stubborn woman who seeks to take charge of all of the students and dislikes any perceived challenges to her authority, even when the people questioning her actions might have a point.
----
* AdaptationalEarlyAppearance: She's seen during the airport scene at the beginning of the movie.
* BringMyBrownPants: Wets herself as she watches Usui die.
* CruelAndUnusualDeath: She's ripped to pieces by the thread of the panicking trap-door spider.
* CurtainsMatchTheWindows: The anime movie gives her dark purple hair and purple eyes.
* KickTheSonOfABitch: While she wasn't much better, when she kicked Mazawa over the cliff you might have cheered a bit.
* LeaderWannabe: She tries to take charge, but is pretty clear she's callous and utterly useless to lead the students.
* TheLoad: Her stubborn refusal to listen Mutsumi and her obsession with safety leads to several unnecessary deaths.
* NotNowKiddo: Marika evokes a far more callous variant, dismissing Mutsumi out of hand due to her only being 15.
[[/folder]]
[[folder:Aoyama Nozomi]]
Houshou Private High School; 2nd Year, Class 4
A girl who is extremely loyal to Marika due to being saved from Miss Nozawa by her. Aoyama Nozomi is willing to defend Marika's actions and even threaten others when it seems they might let her be harmed or question Marika's authority.
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* AttemptedRape: In ''Dai Kyochuu Rettou'', she forces herself on Oribe in the hallway of a beach showering facility, only to be stopped by Chitose. Ironically, she saves Oribe from being raped by Nakasone Kagami after Oribe passes out from drinking strong booze.
* BringMyBrownPants: Wets herself when she finds herself surrounded on three sides by hungry rhino beetles.
* IJustWantToBeLoved: Her low self-esteem and desire to be loved are what lead her to become Nozawa's sex toy and later Marika's loony supporter. Now she has transferred her affections towards the one who saved her, Mutsumi Oribe.
* TheLoad: At first she was only an annoying deadweight because of her blinding devotion to Marika, but after losing her marbles she turns into a very dangerous and vindictive deadweight.
* LoveMakesYouEvil: Combined with LoveMakesYouCrazy, since she loses most of her sanity in her desire to kill Mutsumi for (indirectly and unintentionally) leading Marika's death.
* NiceJobBreakingItHero: When she tries to scare off the trap door spider using the recorded wasp sounds, the cornered arthropod ends up tightening its thread so much it rips Marika to pieces.
* ReplacementGoldfish: In ''Dai Kyochuu Rettou'' she asks Oribe to be a replacement for Marika as she forces herself on her.
* SanitySlippage: She initially acted as Marika's NumberTwo, stubbornly ignoring Oribe's warnings and advice. After Marika is killed, Nozomi snaps and repeatedly tries to kill Oribe, blaming her for her lover's death. After the group arrives on a new island, however, she declares that she wants Oribe to be Marika's replacement before sexually assaulting her.
* PleaseIWillDoAnything: Says this trope word for word when trying to convince Kai to aid her in rescuing Marika from the enormous spider and follows through with it by [[spoiler:pushing him down and having sex with him in front of the shrine]].
* StupidEvil: Puts Marika's severed hand on Mutsumi's bag in order to attract giant bugs, despite it being obvious those same insects would also kill her and everyone else. She later tries to push Mutsumi onto a pile of millipedes in order to poison her, only to end up falling herself. This is while a giant centipede is nearby.
* TroubleMagnetGambit: Her plan to kill Matsumi using Marika's severed hand ends up almost getting her and everyone else killed.
* YouGottaHaveBlueHair: As shown in the volume 5 cover, her hair is a shade of green.
* ViolentlyProtectiveGirlfriend: While the attraction is onesided on Nozomi's part, after [[CantHoldHisLiquor passing out from drinking moonshine]], Nozomi regains consciousness to see Nakasone Kagami stripping a half-conscious and unwilling Oribe naked and preparing to eat her out. Nozomi promptly bashes Nakasone over the head with a folding chair, and remains hostile (and jealous) towards her.
[[/folder]]
[[folder:Momosaki Kasumi]]
Houshou Private High School; 2nd Year, Class 3
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* CharacterDevelopment: Becomes much less bitchy in the second manga, and comes to believe in Oribe and the others as her friends.
* TheLoad: Almost as bad as Mami, constantly getting scared, running off and whining about the situation.
* NiceHat: Wears a pretty one during the day. After the incident with the tiger beetle larvae, she seems to have lost it.
* OjouRinglets: The ends of her hair have curls, and it fits her rich upbringing.
* RichBitch: Seems to come from a wealthy family, and is quite bitchy at first.
* ShamefulStrip: Forced to strip naked and is almost raped by Kamijo, luckily the scarab beetles interrupt the attempt.
** It later happens to her ''again'' in the second manga.
[[/folder]]
[[folder:Suzuki Kayo]]
[[quoteright:249:https://static.tvtropes.org/pmwiki/pub/images/kayo_suzuki_193785.jpg]]
Houshou Private High School; 2nd Year, Class 2
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* AdaptationalEarlyAppearance: She's seen during the airport scene at the beginning of the movie.
* BlackEyesOfEvil: Her eyes turn solid black after she's impregnated by the botflies.
* CruelAndUnusualDeath: [[spoiler:She's raped by two giant botflies, the larvae of which burst by the dozen from her abdomen.]] It's just as nasty as it sounds.
* DeathBySex: Kamijo blackmails her into having sex with him, leading to them both being raped and impregnated by giant botflies, whose larvae eat them from the inside-out.
* MauveShirt: Lasts for several chapters, but as soon as she gets some spotlight, things get nasty.
* RapeAsDrama: Kamijo threatens her into having sex with him and they fall asleep together. When they wake up they're attacked by giant botflies, one of which stabs its ovipositor into her vagina and the other stabs its ovipositor into her throat as she begs for Oribe to come save her. [[spoiler:In the next few chapters, she's shown being impregnated with the botflies' larvae, expanding her torso to disgusting levels and resulting in them bursting from her body, killing her.]]
* SignatureHeadgear: Wears a hairband, which is her most outstanding feature.
[[/folder]]
[[folder:Minowa Takeshi]]
Houshou Private High School; 2nd Year, Class 5
A tall, strong student and member of the school Judo Club and a National Polity Strengthening member.
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* CruelAndUnusualDeath: Gets his innards liquified and then sucked dry by the trap door spider.
* GentleGiant: Pretty big, but is generally a reasonable guy. He also has the odd distinction of not being a rapist.
* MauveShirt: Lasts for some chapters, and then he's killed by the trap door spider.
[[/folder]]
[[folder:Miyasono Emiko]]
[[quoteright:249:https://static.tvtropes.org/pmwiki/pub/images/emiko_miyazono_181024.jpg]]
-> '''Voiced by''': Chikako Sugimura
Houshou Private High School; 2nd Year, Class 4
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* AdaptationalEarlyAppearance: She's seen during the airport scene at the beginning of the movie.
* WeHardlyKnewYe: Lasts very little and is then dragged to her death by the tiger beetle larvae.
[[/folder]]
[[folder:Usui Ryou]]
Houshou Private High School; 2nd Year, Class 2
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* AttemptedRape: He grabs Mutsumi and tries to rape her while the group is walking at night, but is stopped by Chitose and Kai.
* CasanovaWannabe: He's fairly handsome and thinks he's the hottest boy in the school and hits on every girl he meets, but he has a reputation for being scum and is coldly rebuked off.
* LaserGuidedKarma: Just as it seems like he might get a KarmaHoudini over trying to rape Mutsumi -- Nozomi disregarding Chitose's accusations and blaming Mutsumi for holding the group up -- he's eaten by a swarm of firefly larvae.
* SlashedThroat: One of the fireflies chews on his carotid artery, killing him within seconds.
* WeHardlyKnewYe: All we know is he's a pervert and wannabe rapist, before dying to firefly larvae.
[[/folder]]
[[folder:Miss Nozawa]]
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ms_nozawa_181025.jpg]]
-> '''Voiced by''': Asumi Yoneyama
Art teacher of Houshou Private High School, was killed by ticks after being pushed off a cliff by Marika.
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* AdaptationalEarlyAppearance: She's seen during the airport scene at the beginning of the movie.
* AssholeVictim: Her way of death is rather horrible, but once you find out what she did to Aoyama, you'll probably won't feel sorry about her fate.
* BeautyIsBad: Physically attractive and sexually depraved.
* FourEyesZeroSoul: Wore glasses and was a blackmailer and depraved molester.
* LastNameBasis: Her first name was never mentioned.
* SadisticTeacher: Blackmailed and molested Aoyama and even forced her to pose nude for her art class against her will.
[[/folder]]
!!Rescue Team
[[folder:Shikimori Ryoko]]
[[quoteright:235:https://static.tvtropes.org/pmwiki/pub/images/dkr_ryouko.JPG]]
[[caption-width-right:235:Shikimori Ryoko]]
Coast Guard officer who arrived on her boat to investigate the island the rest of the characters landed on. She ends up helping to rescue the survivors. However, her ship is destroyed and her crew killed due to a terminal case of LawfulStupid, leaving her as the only survivor.
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* LawfulStupid: She had it just as bad as the rest of the crew on her ship, but, thankfully, she quickly started growing out of it.
** Unfortunately, it comes roaring right back in the sequel, as she consistently tries to prevent Kai and Mami from pointing guns at people ''who are already pointing guns at them and taking people hostage''. Predictably, this gets her shot in a tense standoff.
* OnlySaneMan: Of her ship's crew, the only one to realize the gravity of the situation and start reacting accordingly. She's also one of the few characters to start listening to Oribe immediately and never questions here expertise about bugs. Subverted later when being a stickler for the law means she fails to grasp that when hostile people are waving guns at you, you should wave guns at them back.
* SixthRanger: Joins the rest of the cast near the end of the first manga, and remains with them into the second.
[[/folder]]
[[folder:Pops]]
[[/folder]]
[[folder:Zensan]]
[[/folder]]
!!Tatsuno Kami Island
[[folder:Nakumo Hyoue]]
[[/folder]]
[[folder:Kyousuke]]
* HeWhoFightsMonsters: When survivors from other islands repay the islanders kindness by stealing their supplies and raping the women, Kyousuke and his group become wary of survivors. He end up doing the same by sexually assaulting Toki, Mutsumi and Chitose.
* {{Hypocrite}}: He doesn't trusts outsiders because they are being UngratefulBastard who raped the women of the island. Not only does Kyousuke constantly betrays Mutsumi everytime she saves him, he also sexually assaulted Toki, Mutsumi and Chitose.
* UngratefulBastard: Kyousuke stands out as the worst of the series. While the islanders have reasons not to trust outsiders, Kyousuke betrays Mutsumi's group several times even after Mutsumi saves his ass.
[[/folder]]
[[folder:Norika]]
[[/folder]]
[[folder:Mishimo Mitsuoto]]
[[/folder]]
[[folder:Nakasone Kagami]]
[[/folder]]
[[folder:Toki]]
[[/folder]]
[[folder:Nakumo Aoi]]
[[/folder]]
[[folder:Maeda and Shige]]
An elderly couple holding up at the high school.
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* DeadHatShot: His torn and bloodied hat was found by the other survivors at school, confirming his death.
* ExtremeDoormat: Shige is implied to be one as she easily submitted to Maeda when he yell at her.
* TooDumbToLive: After being spooked by a praying mantis outside a window, Maeda and Shige run out of the safety of the school and are killed not long after taking a few steps from the gates.
[[/folder]]
!!Other Characters
[[folder:Enoki Inaho]]
-> '''Voiced by''': Creator/MarinaInoue (JP), Elsie Lovelock (EN)
[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/393533.jpg]]
An entomologist who befriended Mutsumi and taught her everything there is to know about insects. She was the main character of the author's previous work ''Vector Case Files''.
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* AdaptationalEarlyAppearance: Mutsumi thinks about her in the OVA long before she was mentioned in the manga.
* AwesomenessByAnalysis: She was capable of targeting the weak points of a thug just by observing his body language and constitution.
* BadassTeacher: She might not have fighting skills (that we know of) but she certainly knows about knots. ''Kyomushi Sanmyaku'' shows she's very good at reading both insect and human movements to avoid and target the weak points.
* HeroOfAnotherStory: She's one of the main characters of the spin-off ''Kyomushi Sanmyaku''.
* HotTeacher: Unlike Nozawa and Chuujou, she wasn't a case of BeautyIsBad.
* FriendToBugs: The one who instilled Mutsumi's passion about insects and other bugs.
* TheMentor: Of Oribe.
[[/folder]]
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