''QKo-chan: The Earth Invader Girl'' is a 2003 manga series created by PromotedFanboy Hajime Ueda, who also made the ''Anime/{{FLCL}}'' manga.

QKo-chan takes place in a {{dystopi|a}}c alternate Earth stuck in an endless war against two alien factions, The Waste Disposal Units, and the so called Dolls who all fight in a three sided war. In it's current state, the world has been ravaged by pure hydrogen bombs that has changed the Earth's climate, and in all the carnage a military group called the "Black Hares" staged a violent MilitaryCoup to take over the Japanese government and put it under martial law. Kirio Muji is the son of a Back Hares Major, Ririko Muji, and lives in a small town surrounded by several towers claiming to [[BlatantLies shield the city from any outside danger]]. But one day at school, he and his friends bear witness to a HumongousMecha searching for an address, and escaping from military forces. Kirio's day takes a turn for the worse when he later finds a [[MysteriousWaif girl]] hiding in the bushes outside his house, pleading him to [[ThatCameOutWrong pilot her]] but collapses from hunger, and Kirio decides to hide her in his closet. He later finds out that her name is QKo and that she is a Welfare Machine from the Universal Child Welfare Organization and is the HumongousMecha that Kirio saw earlier.

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!!''QKo-chan: The Earth Invader Girl'' contains examples of:

* AbnormalAmmo: [[spoiler: The Black Series of Dolls use humans as these.]]
* TheAce: Lt. Akaza is considered one, but gets his ass kicked by Kirio, every time.
* ActionGirl: Practically all of them get their fair share of action, but QKo is the most obvious one.
* AmnesiacHero: QKo fits the bill to a T, but it seems her past is actually best forgotten.
* {{Badass}}: Kirio is the badass pilot...
* BadassAdorable: ... and QKo is the badass cute. [[spoiler: Especially in the past, when she singlehandedly killed the other 7 eldest sisters esxcept for AAKo.]]
* BewareTheQuietOnes: VVKo...
* BloodKnight: Lt. Akaza. He doesn't care about politics or why they are fighting, all he wants is to kill some aliens and dolls. Oh, and he WouldHurtAChild.
* BotheringByTheBook: Katsuki is one. And he is NOT populair due to this. [[spoiler: [[TheDogBitesBack He bites back later on.]]]]
* BreakTheCutie: Shiino...constantly. First she gets involved in a firefight, then her mother wants to move from town, then she thinks her only friend, Mei, has abandoned her for RKKo, and finally, she snaps from finding out that her supportive older brother is keeping an Alien child in his room. She does NOT take this well...
* ButtMonkey: The soldiers, Katsuki, and QKo definitely qualify. The soldiers get the upperhand since EVERYTHING bad happens to them. [[spoiler: [[TheDogBitesBack And Katsuki bites back later.]]]]
* CainAndAbel: Furiko and Kirio, with good reason! Kirio sees Furiko as nothing but a burden to him while Furiko believes herself to be TheUnfavorite due to her illness. [[spoiler: When Furiko becomes the pilot of [[IceQueen AAKo, the queen of the dolls]], their hatred escalates towards downright war much to QKo's suffering.]]
* CharClone: Lt. Akaza could be one, but he is more of JerkAss than anything else.
* ChildSoldiers: The Dolls only accept children as their pilots and usually they'll end up like this.
** The Black Series have no qualms and will [[spoiler: happily use anyone as ammo.]]
* CreepyChild: Kirio.
* DeathByIrony: Otayama's love for cute girls made him good ammunition for [[spoiler:VVKo.]]
* DoesThisRemindYouOfAnything: "Boarding."
* {{Deconstruction}}: Of [[ChildSoldiers children]] using HumongousMecha, much like Anime/NeonGenesisEvangelion.
* DueToTheDead: [[spoiler: Near the end of Part 2, the Dolls mourn the lives lost after a massive explosion caused by one of the [[PersonOfMassDestruction Black-Series dolls]]. They could be mourning the death of Mei, Shiino, RKKo and VVKo.]]
* {{Expy}}: The Dolls robot form has strong similarities to [[Anime/{{FLCL}} Canti]] [[spoiler: and AAKo could be inspired by Kaguya.]]
** Kapitan's team of "chosen children" JAG G to {{Digimon}}.
* FightingYourFriend: [[spoiler: Mei and Shiino battle each other with RKKo and VVKo.]]
* GainaxEnding: [[spoiler: AAKo and Furiko have gathered all the dolls. Mei, RKKo, Shiino and VVKo are about to battle, or perhaps [[SuicideAttack VVKo used Shiino as ammo to kill them all]]. Ririko has been shot by Kapitan-San but was saved by a random soldier and bears witness to Furiko together with all the dolls. QKo and Kirio's fate after the subway was blown up is left ambiguous. The whole thing ends with NHKo finding Tatsuta with a wounded leg, screaming.]] [[NoEnding THE END!]]
** And worst of all, [[TrollingCreator Hajime Ueda left it ambiguous on purpose to let the readers fill in the blanks.]]
* {{Gonk}}: Otayama. In more than looks...
* GoodIsDumb: QKo, hands down. But she has her glimpses of cynicism.[[spoiler: Probably a part of her original personality.]]
* IceQueen: Eldest sister AAKo, the queen of the dolls.
* IllGirl: Furiko, Kirio's sister, suffers from a heart disease that makes her faint from too much stress. Finding out that her brother is hiding a RidiculouslyHumanRobot and is fighting Jellyfish aliens does NOT make this any better.
* ImAHumanitarian: [[spoiler:NHKo claims that the Black Series are these.]]
** They don't eat them in a literal sense. They just [[spoiler: use them as ammo for their [[WaveMotionGun Wave Motion]] [[NukeEm Nuke.]]]]
* IKnowKungFu: Tatsuta practises martial arts [[spoiler:so he can beat the bullies who injured his eyes in a fair fight.]]
* InSeriesNickname: The Dolls and Aliens. [[spoiler: The Dolls are actually Welfare Machines from the Universal Child Welfare Organization, while the Squidlike Aliens are actually from the Waste Removal Bureau.]]
* IronLady: Ririko, Kirio and Furiko's mother, definitely is one, but Mei is also a good example.
* LudicrousGibs: What happens to Otoyama when [[spoiler: VVKo uses him as ammo for her [[WaveMotionGun Wave Motion]] [[NukeEm Nuke.]]]]
* {{Megane}}: Tatsuta, due to an injury caused by two bullies.
* {{Meganekko}}: Furiko and Ririko when she was younger.
* MilitaryBrat: Kapitan-Chan may act like a GenkiGirl but she has a strong grudge towards Ririko and the Dolls.
* OneShotCharacter: Quite a few. Some have little importance, while some seem important like the girl from Tomunchap and her Doll.
** There's also [[FanNickname XKo]] from the short colored comic at the beginning of Part 2. She's a Black Series Doll who [[spoiler: was seen reaching out to a dying doll and then grabbing a nearby soldier to use him as ammo.]]
* OlderThanTheyLook: [[spoiler:QKo and AAKo are the oldest among the 130 Dolls.]] {{Justified}} since they're robots.
* TheOmniscientCouncilOfVagueness: The three leading persons of the Black Hare act as this, although one of them shows up regularly. The rest are only seen when meeting each other.
* PersonOfMassDestruction: The Black Series of Dolls. They use [[spoiler: [[AbnormalAmmo humans as ammunition]] to power their [[NukeEm Highly Explosive]] WaveMotionGun.]]
* PleaseDontLeaveMe: Mei becoming friends with RKKo makes Shiino believe that she has abandoned her and she instead befriends [[BewareTheQuietOnes VVKo.]]
** The unnamed [[spoiler: dying robot]] to [[FanNickname XKo]] at the beginning of Part 2.
* RedShirt: Averted. You don't usually see anyone getting killed. The [[ButtMonkey soldiers]] aren't killed very often.
* RidiculouslyHumanRobots: The Dolls. They are HumongousMecha that can turn and shrink into humans at will. The only sign that they are a Doll in human form is that they have an exposed heart.
* TheRival: Lt. Akaza is one to Kirio.
* SceneryGorn: Boy howdy, does it all look like hell, and it's even considered one of the SAFEST cities. And it gets worse!
* ShotToTheHeart: The only thing [[spoiler: that can kill a Doll]] as seen in the flashback beginning of Part 2. And since their hearts [[spoiler: are also used as a [[SnipingTheCockpit cockpit for their human pilots...]]]]
* ShrinkingViolet: Shiino is very shy and afraid, and clings to Mei for support.
* StalkerWithoutACrush: Otayama stalks SCHOOLGIRLS just so he can photograph them!
* SuicideAttack: [[spoiler: The explosion seen near the end of Part 2 could be interpreted as what Shiino and VVKo did to Mei and RKKo.]]
* ThreeAmigos: SSKo, RKKo, and NHKo are this.
* WhatTheHellHero: Kirio, oh so many times. He gets better though.
* WhoDares: Lt. Akaza thinks Kirio's dead gaze is one. He's right.
* WildMassGuessing: Most of the story is up to the reader's imagination.
* WouldHurtAChild: Lt. Akaza and Kapitan-chan's soldiers have no qualm about killing children.
* {{Youkai}}: AAKo has different design aspects of these. Her hair has a spider-like trait, she appears to be able to use ice shards, and has an appearance akin to a Yuki-Onna. And her [[BuffySpeak ear thingies]] look like fox or rabbit ears.

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