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->'''B-ko Daitokuji:''' ''A-ko, the depth of my vexation is beyond your comprehension!''\\
'''A-ko Magami:''' ''Today I woke up early. This may never happen again! But you! You! Over a stupid, petty... B-ko, '''YOU IDIOT!!!'''''

[[TwentyMinutesIntoTheFuture Sometime in the future]], Eiko ("A-ko") Magami -- a teenage girl endowed with absurdly high levels of [[LightningBruiser superhuman strength and speed]] -- attends Graviton High with her [[TheDitz bubbly]] [[ChildhoodFriends best friend]], Shiiko ("C-ko") Kotobuki. Also attending class is Biko ("B-ko") Daitokuji, a beautiful and [[TheOjou mega-rich]] AcademicAlphaBitch who is determined to win C-ko [[RomanticTwoGirlFriendship for her own.]] Unfortunately for B-ko, that means having to go through A-ko first. So each school day, B-ko attacks A-ko with all manner of HumongousMecha and, eventually, a [[{{Stripperiffic}} revealing]] [[BattleBikini battlesuit]]. Things become more complicated after an alien warship descends upon Graviton City with the goal of capturing one of the girls--or rather, ''rescuing'' her, as [[RagsToRoyalty she seems to be their long-lost princess]].

A raucous blend of over-the-top screwball comedy, action, and science fiction, ''Project A-Ko'' was one of those films ''everyone'' saw during the prehistory of anime in America, notably because it was one of the first theatrically-released anime films that could not be considered an "arthouse" film to also receive a commercial release in TheEighties. The general level of goofiness in the film is evident in the names of its main characters: "Girl A" (A-ko), "Girl B" (B-ko), and "Girl C" (take a wild guess). Another character is also named "D". But despite--or perhaps because of--that goofiness, the intervening years between its initial release and now have not lessened the influence of, and love[=/=]respect for, ''A-ko''.

''A-ko'' was followed by three [=OVAs=] which continue the story of the film: ''Plot of the Daitokuji Financial Group'', ''Cinderella Rhapsody'', and ''Final''. Those were followed by a two-part AlternateContinuity OVA, ''A-ko: The VS'' (released in America as ''A-ko: Uncivil Wars'').

''Project A-ko'' is a relatively obscure film to later generations of anime fans, but it was and continues to be an influential work in regards to action-comedy anime with a female-heavy cast--including ''Anime/MaiHime'' and ''Anime/KillLaKill'', the latter of which could be considered a SpiritualSuccessor to ''A-ko'' in its own right due to similarities in tone and shared elements of both aesthetic and character.

Please go to [[Characters/ProjectAko the character sheet]] for all character-specific trope examples.

----
!!''Project A-ko'', its direct sequels, and ''A-ko: The VS'' include the following tropes:

* ActionDressRip: One of the DVD covers for the original film depicted A-ko with one of these. In the film, it happens during her showdown with D: A-ko narrowly avoids one of D's sword swipes, which cuts A-ko's fuku [[ClothingDamage right down the middle]].
* AffectionateParody: The series was a send-up of just about everything in anime up until the 80s.
* AfterSchoolCleaningDuty: A-ko is assigned to clean the classroom as a punishment [[LateForSchool for being late again.]] It was going well until B-ko staged a run-in between C-ko and Mari. A-ko thus [[SuperSpeed tore across campus in a hurry]]--and [[DestructiveSavior demolished the classroom in her wake.]] That earned her a harsh reprimand and an even stiffer punishment the next day.
* AgeLift: C-ko is 17 in the main series, but is reduced to only 10 in ''The VS''. By contrast, A-ko and B-ko are 16-17 and 17 respectively, but are adults[[note]]A-ko is 19 and B-ko is 21, according to the DVD extras[[/note]] in ''The VS''.
%%* AGlassOfChianti: Captain Napolipolita.
* AliensSpeakingEnglish: The Alpha Cygnans are amazingly fluent in Japanese, though no one ever comments on it in-series.
* AllForNothing: The endings of ''Cinderella Rhapsody'' and ''Final'' render all of A-ko and B-ko's fights over Kei pointless: He only has eyes for C-ko.
* AllGirlsWantBadBoys: Maruten laments this fact in ''The VS'', but considering he is [[BitchInSheepsClothing not that nice of a guy himself]], it is a bit hypocritical.
* AllLoveIsUnrequited: A-ko, B-ko, and their homeroom teacher Ms. Ayumi are all in love with Kei; they all squabble over him, too. His heart, however, is set on C-ko--who hates him [[ClingyJealousGirl for taking A-ko's attention away from her.]]
* AllThereInTheManual: Some info about A-ko, B-Ko, and C-Ko is only mentioned in art books.
* AlphabeticalThemeNaming: The names of the three leads can be taken to mean "girl A", "girl B", and "girl C". We also have "D" and "Kei".
* AlphaBitch: {{Subverted}}. While B-ko has beauty, vast intellect, and the privilege of being from a fabulously wealthy and influential family, no one really likes her, and they want to see her taken down several notches because of [[RichBitch her inflated ego.]] The other students eventually rally behind A-ko, turning her into their hero.
* AlternateContinuity: ''The VS'' takes place in a distant future, on a dune-covered alien planet, where A-ko and B-ko work and live together as bounty hunters.
* AmazonBrigade: The Alpha Cygnans are an all-female fighting force of combat pilots and foot soldiers. In the latter half of the film, they smash through Earth's defenses with ease...only to end up in the crossfire of the fight between A-ko and B-ko.
* AmazonianBeauty: Liza from ''The VS'' towers over A-ko, has a much huskier physique, and is dressed in a combination of leather and spandex to show off her ample cleavage.
* AndTheAdventureContinues: How ''Uncivil Wars'' ends.
* AntiVillain: Gail, possibly. His methods are evil, his goal ... [[WellIntentionedExtremist understandable]]. He just bet on the wrong horse.
* BattleBikini: Akagiyama-23 is a power suit, designed specifically to enhance B-ko's speed and reflexes [[BeatThemAtTheirOwnGame to match A-ko's.]] It resembles an armored bikini that includes a matching pair of boots and gauntlets and is usually worn beneath her clothing.
* BerserkButton: Each of the girls has one:
** For A-ko, it is having to constantly deal with B-ko's gadgets, since it usually makes her late for class. But she also takes pride in her appearance, so even a minor cut on her cheek or ripping her skirt will set her off.
** B-ko cannot stand A-ko for monopolizing C-ko's time and hates seeing A-ko defeat another of her mecha.
** C-ko does not like anyone taking A-ko's attention away from her. She definitely hates Kei--and flatly tells him so both times he tries to confess his love for her. She also starts to grow concerned when it seems A-ko has begun to enjoy her rivalry with B-ko a little ''[[FoeRomanceSubtext too much]]''.
** And for Captain Napolipolita, it is sobriety.
* {{Bishonen}}: Gail of ''The VS'' is a subversion; he looks quite bishōnen when he is wearing his cape, but when he takes it off, he looks incredibly muscular.
* BleachedUnderpants: The series began life as part of the ''Cream Lemon'' series of {{hentai}} before becoming a full-fledged feature film; the hentai short that appears in ''Cinderella Rhapsody'' is actually recycled from the first film's initial storyboards.
* {{BFS}}: D wields one during her fight with A-ko. Except in D's hands, her sword appears normal length. But when A-ko takes it from her, the blade is nearly 1.5 times her body length; excluding the hilt.
* BoobsOfSteel: Liza from ''Uncivil Wars,'' whom A-Ko refers to as "that jiggling juggernaut". Said because she was tough enough to match A-Ko unarmed, with their second fight ending in a draw.
* BreakingTheFourthWall: Played with in the [=OVA=]s. In ''Cinderella Rhapsody'', A-ko is looking at "the camera" when she admits she lied. In ''Vs. Blue Side'', A-ko is talking directly to the viewer. Even some of the promos break the fourth wall.
* BrokenPedestal: During a flashback to Gail's younger days, he discovered his mentor (an unnamed nun) had broken her vow of chastity. [[ThisIsUnforgivable He didn't take it well]], to say the least.
* TheCameo:
** [[Manga/YawaraAFashionableJudoGirl Yawara Inokuma and her grandpa]] appear as customers in the burger joint A-ko works at in the third movie.
** [[Manga/{{Akira}} Kaneda, Kei, Yamagata]] and his girlfriend are seen with their backs turned, watching the broadcast of the alien invasion in ''Final''. [[FreezeFrameBonus Blink and you'll miss it.]]
* ClingyJealousGirl:
** C-ko is shown to be possessive of A-ko in ''Cinderella Rhapsody'' when A-ko shows up riding on Kei's motorcycle. She also gets worried about A-ko's escalating rivalry with B-ko in ''Final''.
** B-ko envies A-ko's relationship with C-ko and tries everything--from treating C-ko to lavish luncheons to beating A-ko into submission--in an effort to win C-ko over.
** Whereas A-ko and B-ko are both fiercely competitive over Kei in ''Cinderella Rhapsody'' and ''Final''; causing their already tense rivalry to escalate even further.
%%* CloudCuckooLander: C-ko and Miss Ayumi.
* CulturalCrossReference: Halfway into the first film, A-ko and C-ko watch a horror flick starring [[UsefulNotes/KentuckyFriedChicken Colonel Sanders]] as its villain.
* DepartmentOfRedundancyDepartment: In ''Plot of the Daitokuji Financial Group'' the newspapers the spies use as their "disguises" are titled "Mainichi Daily News". ''Mainichi'' is Japanese for "everyday", making the paper the ''Daily'' Daily News. For a time, this was actually the name of the website of the English version of the ''Mainichi Shimbun''.
* {{Determinator}}: A-ko and B-ko in the NoOneCouldSurviveThat entry further down because both of them did!
* DidTheyOrDidntThey: At the end of ''The VS'', A-ko asks B-ko [[LampshadedDoubleEntendre "how far"]] Gail managed to get with her. B-ko tells her nothing happened, then smiles vaguely over her shoulder and adds, [[TwoFacedAside "nothing at all".]]
* TheDitz: C-ko (though she does seem to have moments of insight) and Miss Ayumi.
* DoppelgangerSpin: An InformedAbility of B-ko's Max 5000 mecha.
* ExtraordinarilyEmpoweredGirl: A-ko and B-ko's first battle shows they're each capable of smashing through solid walls of concrete and can casually toss tanks several hundred meters.
* EvenEvilHasLovedOnes: Liza is a criminal and [[ButForMeItWasTuesday little seems to faze her]], except for when it comes to her partner, Grash. Just the thought of him being dead (or that A-ko was responsible) made her see red... until she saw he was only buried beneath the rubble.
%%* EvilKnockoff
* FanDisservice: We can safely assume ''no one'' wants to [[{{Gonk}} see D]] in a battle bikini, or Mr. Daitokuji wearing a copy of B-ko's battle armor.
* {{Fanservice}}:
** Most of it comes from A-ko. Her opening scene has sunlight filtering through her nightshirt, revealing she isn't wearing a bra underneath. She's often subject to upskirt panty shots, including one instance where a lucky fighter pilot gets an extended look at her undies while she's seated on the canopy of his plane.
** B-ko is naked--and her bare chest is shown--during her bath scene in the first film.
*** And her form-fitting battle armor leaves little to the imagination.
** In ''Cinderella Rhapsody'', a yuri scene at a movie theater is preempted by a city-wide evacuation order.
** In ''The VS'', A-ko spends the entire first fight against Liza in nothing but her underwear.
*** And near the beginning of the second episode of ''The VS'', we get an extended [[MaleGaze close-up of A-ko's panties]] while her legs are spread open, due to the cramped space of a spaceship cockpit. That view is seen [[FirstPersonPerspective from the pilot's point of view.]]
** Although A-ko has the most panty shots, other girls in the series have their moments as well.
** C-ko's [[spoiler:princess]] outfits are both more revealing than her usual attire. Her [[spoiler:pink dress]] in the first movie is designed so it is split down the middle from the waist down, [[ShesGotLegs revealing her legs]]. It also shows off some of her back. The other outfit is seen in ''Final''--it is initially [[spoiler:covered by a cape]], but later revealed to be [[spoiler:a tight, high-cut leotard that exposes her legs and shows some hip]].
* FashionShopFashionShow: Late in the third film, A-ko tries on a bunch of different dresses, since B-ko bought the one she had been saving for and [[spoiler:gave it to Mari]].
* {{Fiction 500}}: The Daitokuji Family is renowned for their wealth and influence. The second film onwards makes a point of showing B-ko's father bankrolling Graviton City's defense force and providing them with new aircraft and mecha designs.
* FightingFromTheInside: ''The VS'' culminates in C-ko fighting Xena for control over her body. This provides A-ko with the opening she needs to finally kill Xena.
* FlyingBrick: A-ko is a textbook example, minus the flying part--she flies only when B-ko is carrying her through the air.
* FlungClothing: Which is how B-ko first reveals her Akagiyama-23 battle suit.
* FollowYourHeart: The theme of C-ko's character song from the original film ''"Follow Your Dreams"''.
* {{Foreshadowing}}:
** Midway into the first film, B-ko vows to take A-ko on herself, even if it means revealing [[NotSoHarmlessVillain her "true power"]]. She does not show it off until ''Cinderella Rhapsody'', when she briefly matches A-ko ''without'' her battle armor[[note]]A-ko runs into B-ko and her friends aboard Napolitalita's ship resort. A fight escalates once A-ko realizes B-ko was spying on her and was trying to steal what she thought would be her date with Kei[[/note]].
** Subverted and played for laughs in ''Final''. The prophecy foretelling the end of the world was just a coincidence when the aliens arrived. And Ms. Ayumi wasn't possessed by her charm; [[spoiler:she only did the incantations because she was told it would bring her luck]].
* FreezeFrameBonus: The first film includes some very close {{Panty Shot}}s and some fired missiles actually being soda pop cans (as a ShoutOut to the ''Anime/SuperDimensionFortressMacross'' film).
* FreudianExcuse: The film's dub invokes this when A-ko starts complaining about B-ko making her late for class again. B-ko finally reaches [[RageBreakingPoint her breaking point]]:
-->'''B-ko''': ''[angrily, [[TryingNotToCry with tears]]]'' ''Is that the only thing you care about?!'' Being a "good girl"?! Charming the teachers?! Well! Obviously it never occurred to you that ''some'' children who just aren't born with the same charm! But what do ''you'' care?? You get to be the heroine, while I'm [[RichBitch the one everyone says is spoiled!]] Okay! If they say I'm the bad girl, ''[[ThenLetMeBeEvil then that's what I'm GONNA BE!!]]''
* FunbagAirbag: Played as an OhCrap moment in addition to a gag, as it's A-ko running into Liza after having kicked her through a wall.
* FunnyBackgroundEvent:
** When B-ko's flunkies interrupt her first fight with A-ko, B-ko can be seen in the background signalling them with a pair of paper fans before quickly putting them away.
** In ''Final'', one sequence involves rumors about Ms. Ayumi's marriage meeting spreading around the school; in a scene set in the girl's restroom during this sequence, an unnamed brunette is seen using one of the urinals (yes, really).
** In ''The VS'', when A-ko finally catches up to B-ko at Gail's lair, Grash is semi-conscious on B-ko's back. This causes A-ko to assume they are together, sparking an argument between the two ladies. Grash realizes his hands are on B-ko's boobs and sees she is distracted, [[ThanksForTheMammary so he starts groping her]] [[AllMenArePerverts as much as he can.]]
* GadgeteerGenius: B-ko has a penchant for automotronics--she can conceptualize a mecha, draw up the plans, and have it up and running the next day. In ''The VS'', she designes a fully armed battle skimmer from the wreckage of her shared home with A-ko.
* GirlPosse: Asa, Ine, Ume, and Mari are B-ko's personal [[{{Mook}} mook squad]] and are implied to be her only friends.
** Her opening fight in ''Final'', however, shows that [[WithFriendsLikeThese they laugh at her]] behind her back whenever A-ko has the upper hand.
* GloryHound: ''The VS'' ends with [[spoiler:Maruten]] taking all the credit for stopping Xena and the Dragon God, with no mention of A-ko or B-ko whatsoever. The girls decide to track him down just before the credits roll.
* GoGoEnslavement: In ''The VS'', Maruten promises A-ko that he will bring B-ko back to life...for a price. A-ko assumes he wants her body and [[ImagineSpot imagines being doomed]] to a life of [[SexSlave sexual slavery]]--an idea that Maruten flat-out denies.
* GoodIsNotNice: B-ko repeatedly shows a willingness to set aside her grievances with A-ko so long as it either benefits both of them or helps B-ko gain brownie points with C-ko.
* GoodMorningCrono: The first movie begins with a morning radio broadcast as A-ko prepares for school.
* {{Gonk}}: Asa is the only one of B-ko's flunkies that can be considered attractive. Ume is short and pudgy with NerdGlasses, while Ine is lanky and has bucked teeth. Mari and D both look (''and sound'') like muscle-bound men wearing lipstick.
** In Mari's case, this is because she is an undisguised {{Expy}} of [[Manga/FistOfTheNorthStar Kenshiro]]).
* [[TokyoIsTheCenterOfTheUniverse Graviton City is the Center of the Universe]]: The radio show in the opening of the film refers to Graviton City as the high-tech capital of the world because of the captured alien vessel that serves as its central landmark. The city also becomes the target of both invasions by the Alpha Cygnans.
* HammerSpace: A rare instance where a pair of males use hammers out of nowhere on another male happens in ''Final''.
* HeterosexualLifePartners: A-ko and C-ko have been friends since gradeschool, though C-ko's attachment to A-ko borders on girl-crush territory at times.
* HugeSchoolgirl: Mari is basically [[FistOfTheNorthStar Kenshiro]] in a sailor fuku.
* HumanAliens: The Alpha Cygnans[[spoiler:, including C-ko]].
* HumongousMecha:
** In the film, B-ko uses numerous mechs in her plans to crush A-ko. When they all fail, B-ko designs the Akagiyama-23 battle armor.
** Graviton City's defense force has many of their own mechas thanks to B-ko's father--only theirs are used to protect the city from the destruction caused by her and A-ko.
* IconicOutfit: A-ko's Transfer Student Uniform is this. When Creator/CentralParkMedia published [[OELManga comic adaptations]] of the series, they changed her outfit in their version of ''The VS''[[note]]re-titled as ''Project A-ko Versus the Universe''[[/note]] to the sailor suit as a way of increasing sales.
* IKnowYoureInThereSomewhereFight: In ''The VS'', A-ko and B-ko realize that [[spoiler:C-ko is FightingFromTheInside of Xena's DemonicPossession]], so they attempt this--only to descend into ''enthusiastic'' bickering. [[spoiler:As C-ko watches the two become UnstuckInTime shifting between alternate versions of themselves (including their classic incarnations), she awakens because of her IntrinsicVow: She does not like it when A-ko and B-ko fight.]]
* ImpossiblyCoolClothes:
** B-ko's Akagiyama-23 battle armor is a sleek armored bikini.
** A-ko and B-ko receive redesigned outfits in ''The VS'' that consist of leotards, boots, and knee pads.
* InTheirOwnImage: In ''The VS'', Xena and Gail want the Dragon God to destroy the current "degenerate" universes so they can create a new one where everyone is pure.
* {{Jerkass}}:
** B-ko is initially the antagonist to A-ko, who recounts how she used to bully C-ko when all three of them were young children. Most of the students at Graviton High share A-ko's opinion, which makes her their hero for standing up to B-ko.
** ''The VS'' reverses this: A-ko is the selfish one who is [[OnlyInItForTheMoney only motivated by greed]] and [[ItsAllAboutMe personal gain.]]
%%* {{Joshikousei}}
* LadyLooksLikeADude: Mari, D, and Captain Napolipolita all look and sound like men in drag.
* LargeHam: Xena's monologues in ''The VS'' become increasingly melodramatic, especially once she [[spoiler:reaches the Talhoe Sector]].
* LateForSchool: This is used as a running gag throughout the film, with A-ko always being late for class due to either oversleeping or B-ko picking fights with her. It continues to happen in the sequel OVAs, though not to the same extent.
* LawyerFriendlyCameo: By [[spoiler:Superman and Wonder Woman]], and it is not at all subtle.
* LeotardOfPower: A-ko and B-ko both wear leotards in ''The VS''; A-ko's includes a removable skirt.
* LoveAtFirstSight: Kei falls hard for C-ko from the moment he sees her; C-ko flat-out hates him.
* MacrossMissileMassacre: B-ko pulls this off with the Akagiyama Missiles. Several spaceships in the series also do this.
* MadeOfExplodium: Most of the mecha that A-ko fights--notably B-ko's mecha--are afflicted with this. (Or maybe A-ko has tactile thermokinesis.)
* MadeOfIndestructium: By ''Final'', the desks in classroom 2-E are made of this. Good thing, too: The students have learned to use them as cover during A-ko and B-ko's fights. Too bad the rest of Graviton High did not get that upgrade.
* MeaningfulName:
** As seen in A-ko and C-ko's introduction at school and the credits, the main characters' names are all written with kanji that reflect something about them. A-ko uses the first character of ''Eiyuu'' ("hero"), and she is certainly heroic; B-ko uses "beautiful", as in ''{{Bishoujo}}'', and she stands out for her looks.
** Maruten literally means "ball head" in Japanese; his cranium is approximately the size and color of a tennis ball.
* MileLongShip: The initial shots of the alien ship in the film are blocked to make it appear to be about the size of SpaceBattleshipYamato. (Which it resembles. A lot. On purpose.) [[spoiler:When the whole ship is shown later on, the "Yamato" part is revealed as ''the figurehead.'']]
* MoeCouplet: C-ko looks and acts so much younger than A-ko that she can be easily mistaken for a kid, which creates the impression of A-ko being a protective "big sister" whenever she defends C-ko.
* NewspaperThinDisguise: The second OVA has an entire flock of spies in identical trenchcoats reading newspapers while observing everyone and waiting for a signal.
* NoOneCouldSurviveThat: Near the end of ''"Final"'', B-ko's battle armor loses power, which sends both her and A-ko plummeting back into Earth's atmosphere. Both girls survive re-entry--and they are not even fazed by it; B-ko [[CasualDangerDialog calmly quips about it]] being [[TogetherInDeath "a lovers' suicide"]] [[SarcasmMode with A-ko]], mere moments before they slam into the surface. After a brief cutaway scene, A-ko is shown back at home, where she collapses on her bed, with no sign of injury other than her slighty tattered uniform. B-ko is shown staring wistfully at the night sky from her veranda, in her nightgown...and none the worse for wear.
* ObliviousToLove: {{Downplayed}} in ''The VS''; Liza is not outspoken about her feelings, but when she believed A-ko and B-ko were responsible for the death of ''[[FreudianSlip "her Grash"]]'', she was overcome with rage. As soon as she saw he was still alive, [[CryIntoChest she broke down in tears.]] Except he had no idea why.
* OhCrap: A-ko has one of these moments at the end of ''The VS'' when she sees Liza advancing on her with a WaveMotionGun-style bazooka.
* OneGenderRace: The Alpha Cygnans are an interesting variation of this trope: they are all female, but some of them--notably D and Captain Napolipolita--look, talk, and act male. Looking carefully during the film reveals that they are female, though.
* OnlyInItForTheMoney: In ''The VS'', B-ko has to bring up the possibility of profit to push A-ko into helping rescue C-ko. As the future heiress to the Kotobuki fortune, her father would likely pay a considerable sum for her safe return. [[spoiler:Or at least he would have, if he had not overreacted by spending his entire fortune on her rescue operation.]]
* TheOnlyOneAllowedToDefeatYou: [[SubvertedTrope Subverted]] in the film when B-ko narrowly avoids an incoming missile and accidentally drops A-ko.
-->'''B-ko:''' A-ko! ''[pouts in disappointment]'' I wanted to have the pleasure of finishing you myself. ''[{{beat}}]'' ...oh well, can't have everything!
* {{Otaku}}[=/=]OtakuSurrogate: C-ko displayed shades of this from time to time. Prominent examples include:
** Her remark (in the Japanese version) about Miss Ayumi [[Anime/MagicalAngelCreamyMami reminding her of someone]].
** On the Final Concert album, C-ko's solo song is basically a medley of old anime themes.
* OurDragonsAreDifferent: The Dragon God in ''The VS'' is gigantic (it seems to grow at least as large as a planet), has three heads, and has so much power that it wipes out a number of planets and their defensive fleets with little effort.
* OutlawCouple: Liza and Grash in ''The VS''. Liza is [[TheBrute the muscle]] and is described by Mr. Kotobuki's assistant as [[BloodKnight "incredibly violent"]], which she demonstrates upon meeting A-ko and B-ko. Grash is the more level-headed of the two and seems to be just a BadassNormal toting a rifle and grenades in contrast to Liza's superhuman strength, making them an inversion of GuysSmashGirlsShoot. The couple aspect is a bit one-sided in that Liza is devoted to Grash, but Grash is ObliviousToLove.
* PantyShot: Most of these come from A-ko, though other girls have their moments.
* PapaWolf: C-ko's father attempts this in ''The VS''. [[spoiler:He only manages to bankrupt his company with his massive--and fruitless--search-and-rescue effort.]]
* PersonOfMassDestruction: This applies to both A-ko and B-ko because of their excessive power--especially once they start fighting. From the second OVA onwards, Graviton City has a special detachment of their defense force specifically to limit the ensuing destruction. By the time of ''Cinderella Rhapsody'', they even issue an emergency evaction order over the city's PA system after A-ko and B-ko start fighting aboard Napolitalita's ship.
* PimpedOutDress: In ''The VS'', B-ko wears one as a disguise. A-ko comments on how odd that is, since they are trying to break into the villain's lair, not attend a party.
* PlayboyBunny: The waitresses in ''Love and Robots'', and B-ko in an alternate universe in ''The VS''.
* PleaseWakeUp: A-ko does this to B-ko after Gail blasts her near the end of the first half of ''The VS''
* PoweredArmor: B-ko's Akagiyama-23 battle armor is more like a powered bikini. [[FanDisservice Her father has a similar suit]].
* PowerIncontinence: Guess which two?
** A-ko often forgets her own strength and usually leaves disaster in her wake, such as when she is late for school. Her speed often creates an aftertow that tears up the asphalt. If she removes [[PowerLimiter her wristbands]], [[spoiler:simply flicking her wrist creates fissures]].
** In ''Cinderella Rhapsody'', B-ko reveals that she is also capable of similar feats [[spoiler:even without Akagiyama-23]]. By simply flicking her wrist, she [[spoiler:created [[RazorWind a wind gust]] that carved a trench through the hull of Napolitalita's ship]].
* PowerLimiter: A-ko's bracers are revealed to be these in ''Cinderella Rhapsody''.
* PsychicLink: In ''The VS'', A-ko and B-ko seem to have one, as A-ko knows something has happened to B-ko after [[spoiler:Gail shoots an energy beam through B-ko's chest.]]
* RantInducingSlight:
** A-ko delivers a quick rant--and an ensuing beatdown--after B-ko and her MechaMooks keep A-ko from getting to school early for possibly the only time in her life.
** C-ko calling Liza "granny" in ''The VS''. C-ko wasn't trying to insult her, most likely Liza's over-sexualized appearance implies "older" to the childish C-ko.
* RedshirtArmy: The Graviton Defense Force counts, especially in the original film.
* ReferenceOverdosed
* RequiredSecondaryPowers: The whole series plays with this trope. A-ko is shown several times to be hurt by fairly mundane things...before she kicks a giant robot without hurting her leg. The RuleOfFunny fully applies here.
** ''Project A-ko'': She hits her thumb with a hammer with full cartoonish reactions, which are just as easily forgotten, and she trips on an ordinary piece of flawed sidewalk.
** ''Plot of the Daitokuji Financial Group'': She tires out after failing to get a piece of the Alpha Cygnian ship back in place. The pool incident does not count as "mundane".
** ''The VS'': She gets a cartoonish injury from being bonked by B-ko's hammer.
* RomanticTwoGirlFriendship: A-ko and C-ko have something like this--much to B-ko's chagrin.
* RunningGag: A-ko constantly runs over D on the way to school.
* SamusIsAGirl: The Alpha Cygnans are all female--and that includes D and Captain Napolipolita, both of whom look, sound, and act male.
* SandIsWater: In ''The VS'', A-ko and B-ko live on a desert planet.
* ShaggyDogStory: The [[{{Anticlimax}} anticlimactic]] introduction of the Max 5000 counts.
* SheIsAllGrownUp: The film has a non-romantic version (and possibly an [[InvertedTrope inversion]], as it involves a childhood enemy rather than a ForgottenChildhoodFriend): According to A-ko's flashback to their childhood, she and C-ko used to look more or less like chibi-versions of their present day forms. B-ko, on the other hand, was described--accurately--as having a "basin haircut, piggy eyes and dumpy legs" but grew up into easily the most beautiful of the three girls. (A-ko is an AmazonianBeauty and C-ko is TheCutie, but B-ko is more clasically gorgeous.) No wonder A-ko failed to recognise her at first.
* ShoutOut: More than can easily be counted...
** [[spoiler:A-ko's parents are apparently Comicbook/{{Superman}} and WonderWoman.]]
** [[spoiler:B-ko's father bears some resemblance to [[Comicbook/IronMan Tony Stark]]]].
** Captain Napolipolita is an obvious parody of ''Anime/CaptainHarlock'', in the same way that the bow of the Lepton mothership looks like the ''Arcadia''. Alternately, Napolipolita is Leader Dessler dressed like Captain Okita, flying [[Anime/SpaceBattleshipYamato the Yamato]].
** The lead heroine from ''Manga/YawaraAFashionableJudoGirl'' briefly appears in the third movie.
** The title itself is a reference to the Creator/JackieChan movie ''Project A''.
** The design of teacher Ms. Ayumi is a Shout Out[=/=]{{Homage}} to magical girl series ''Anime/MagicalAngelCreamyMami''.
** Mari, B-ko's underling, looks--and fights--like [[FistOfTheNorthStar Kenshiro]] with pigtails.
** The plot of the film is a [[BroadStrokes rough]] re-hash of ''Anime/SuperDimensionFortressMacross''
** The weaponry in the film includes transforming mecha, a WaveMotionGun, and [[MacrossMissileMassacre Macross Missiles]].
** [[Film/GhidorahTheThreeHeadedMonster Ghidorah]] is first referenced in ''Cinderella Rhapsody'' in one of the outfits A-ko tries, whereas the Three-Headed Dragon God in ''The VS'' is a much more obvious reference.
** The movie that A-ko and C-ko watch, in which [[UsefulNotes/KentuckyFriedChicken Colonel Sanders]] ominously walks out of the shadows, is a parody of the 1983 movie version of ''Anime/GenmaWars'', known in the West as "Harmageddon".
* ShownTheirWork: Alpha Cygni, more commonly known as Deneb, is a real star. The estimated distance from Earth, with a 10% margin of error, is 1,550 light years.
* SmallGirlBigGun
* SpacePolice: The Space Patrol from ''The VS'' were presumably this. They were nearly wiped out by Xena and her followers; Maruten is the only one left.
* SpoiledBrat: C-ko shows shades of this in ''The VS''
-->'''C-Ko:''' I'M BORED, I WANNA PLAY A GAME '''NOW!!!'''
* StockholmSyndrome: B-ko starts to fall for Gail in ''The VS'' with her initial reason for following him to keep an eye on C-ko, even though he's obviously a religious fanatic bent on destroying every universe (not to mention the fact that he ''killed her'' earlier in the story).
* SubvertedTrope: PlayedForLaughs. [[spoiler:The climax of ''Final'' shows that all the supposedly ominous signs, apparently connected by the hexagram symbols, were just coincidences.]]
* SupernaturalGoldEyes: A-ko's gold-amber eyes are a sign that she is not exactly a normal human.
* SuperHero
* TechnicolorEyes: Liza's eyes are silver, indicating she is not a regular human.
* ThemeNaming: The three main characters are named in a way that is indicative of extras instead of main characters.
* TheThreeFacesOfEve: C-ko is the "child" (the innocent and childlike figure), A-ko is the "wife" (she is the protective big sister figure looking after C-ko), and B-ko is the "seductress" (she has a curvy figure with penchant for wearing a revealing power suit and [[SchoolgirlLesbians has a]] [[PsychoLesbian certain obsession]] [[RomanticTwoGirlFriendship with C-ko]]).
* TomboyAndGirlyGirl: A-ko (tomboy) and C-ko (girly girl); A-ko and B-ko (girly girl).
* TransferStudentUniforms: A-ko and C-ko wear these throughout the film; they switch over to the proper uniforms at the end of the film, then wear them regularly in the sequel [=OVAs=], though A-ko does switch back to her IconicOutfit for the climatic battle in ''Final'', apparently just for the express purpose of irritating B-ko (which she does).
* TransformingMecha: One of B-ko's mechas is this--only B-ko failed to plan out how the cockpit would work in both forms.
* TronLines: In the film, the elevator in the alien ship has these.
* UnknownRival: B-ko starts out as this to A-ko.
* VillainousBreakdown: B-ko.
* WardrobeMalfunction: A-ko suffers from these, and often. When she is particularly embarrassed, one of her bra straps will slip down her shoulder, often with some of the shirt accompanying it. She also often gets into situations that become an innocent PantyShot, not that she takes it that way.
* WaveMotionGun
* WhipItGood: "Black Jacovini Shooting Star Lash!"
** WhatHappenedToTheMouse: Played with? B-ko apparently never picked that whip back up after A-ko kicked it out of her hand. She does, however, use a whip again when she and A-ko are bickering in ''The VS''
* WhiteHairBlackHeart: Gail from ''The VS'' fits this trope because of his callous disregard for the trillions that will die when he and Xena carry out their plan to create a universe by wiping out the current one with the Dragon God.
* WitchSpecies: Gail and Xena in ''The VS'' count. Maybe C-ko, too.
* WholeCostumeReference: B-ko's father dresses like Elvis when he pilots a mecha.
* WingdingEyes: In ''The VS'', Maruten tries to convince A-ko to help him defeat Gail, Xena, and the Dragon God, but he is unable to sway her. When he finally mentions the reward, A-ko gets dollar and yen signs for pupils and says, quite deadpan, [[OnlyInItForTheMoney "It is my duty."]]
* WouldHurtAChild: Liza in ''The VS'' does not hesitate to slap C-ko around when she [[RantInducingSlight insults Liza by calling her "Granny".]]
* YouGottaHaveBlueHair: Lots of people in the franchise--even unnamed civilians--have blue hair. As for named characters: Miss Ayumi has light blue hair, D has dark blue hair, B-Ko has bluish-silver hair, and Grash in ''The VS'' has dark blue ShonenHair.

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