[[folder: Number 9 Elementary School Team]]
! Number 9 Elementary School Team

!! Tropes

* ActionGirl
* [[AdorablyPrecociousChild Adorably Precocious Children]]: Well, they're given the task of defending the earth from a possible alien invasion, and capturing them for research purposes
* AlmightyJanitor
* BadassAdorable
* BreakTheCutie
* [[KidHero Kid]] [[AntiHero Anti-Heroines]]
* PowerTrio
** BeautyBrainsAndBrawn:
*** Yuri Otani: Beauty
*** Kumi Kawamura: Brains
*** Kasumi Tomine: Brawn
** ChromaticArrangement: In the anime OVA, Kumi, Kasumi, and Yuri's eyes are blue, red, and green
** FreudianTrio
*** Yuri Otani: Ego
*** Kumi Kawamura: Superego
*** Kasumi Tomine: Id
** TownGirls
*** Femme: Yuri
*** Neither: Kumi
*** Butch: Kasumi
* PrehensileHair
* TraumaCongaLine: Yuri's a borderline Result C, Kumi becomes a Result E, and Kasumi becomes a borderline Result B and with hints of Result D

!!Yuri Otani
-->'''Voiced by''': Juri Ihata (JP), Kelly Ray (EN)

A quiet girl, who was voted by her 6th-grade classmates to be their representative on the Alien Party. Yuri is very reluctant to merge with her Borg. She is easily frightened and there is hardly anything that won't make her cry, being scared or happy.

Tropes associated with Yuri:
* ArtEvolution: She originally had black eyes but in later volumes they become green. She also had entirely black hair whilst in ''Emulators'', she has dark brown. Also in ''Emulators'', her hair is longer.
* [[spoiler:BitByBitTransformation: The single drill on her hair by the end of ''Emulators'' is the extent of her transformation and she's still human.]]
* ClassicalAntiHero
* TheEeyore: Becomes more so of one as the series progresses
* GirlishPigtails
* FragileFlower: Taken UpToEleven, where even ''looking at her'' is enough to start the waterworks
* IdiotBall: In several chapters, Yuri loses her borg, reducing her mentality to that of an infant, with Kumi and Kasumi having to rescue it in the [[EldritchLocation Forest of Spaceships]].
* TheKirk
* TheLoad: All she does whenever she is on duty is either get scared and cry, get in trouble and have Kumi and Kasumi rescue her, or both. However, it is a deconstruction: Yuri never wanted to join the Alien Party, knowing full well that she was afraid of them and would be a liability, but was railroaded into doing so.
* [[OnlySaneMan Only Sane Girl]]
* ScreamsLikeALittleGirl: Frequently.
* TearsOfFear: Frequently.
* [[spoiler:[[TokenMinority Token Human]]: The only remaining human by the end of ''Emulators'']]
* [[WhyDidItHaveToBeSnakes Why Did It Have To Be Aliens]]: She hates anything relating to aliens.

!!Kumi Kawamura
-->'''Voiced by''': Creator/KaoriShimizu (JP), Deborah Rabbai (EN)

The most independent member of the Alien Party, and a 6th-grade student. She has been a member of the Student Council for years and has assisted her widowed mother in her writing activities as well as an above average number of chores for a student her age. In the manga, she is attacked by an alien and is revived by fusing with an alien from the Drill Clan.

Tropes associated with Kumi:
* AdaptationDyeJob: She has [[InnocentBlueEyes blue eyes]] whilst in the manga she has black and later on green.
* AntiHero:
** KnightInSourArmor: Originally, she began as this before evolving into a
** PragmaticHero
* ArtEvolution: She had black eyes but later on they're green. She also had light brown hair but they become dark brown and later on regular brown
* BadassBookworm
* BodyHorror: After Kumi is resurrected auger bits start tearing through her skin. Near the end her whole skin is destroyed, revealing that her entire body had been replaced by bundles of prehensile drills. [[spoiler: Eventually she merges with Kasumi's borg.]]
* {{Bookworm}}: Ever since she was in elementary school, she has collected a huge variety of books and has a dedicated room for them in her apartment.
* BrainyBrunette
* CameBackWrong
* DeadManWalking: Due to her transformation into a Borg in an attempt to revive her.
* DeadPersonImpersonation: Her borg uses what remains of Kumi's corpse as a host body. [[spoiler:YourDaysAreNumbered As Borgs need to fuse with a human to survive, the resurrected Kumi starts searching for a new host in fear of dying herself]].
* GenderBender: The borg that resurrected her is a male borg.
* HumanoidAbomination: After her resurrection. The only thing that is human is her head. The rest is all Borg drills, making her true appearance resemble something akin to an octopus.
* KilledOffForReal: [[spoiler:Her original body. Her resurrected self if basically her borg assuming her appearance]].
* RedOniBlueOni: Blue to Kasumi's Red
* TheSpock
* TeamMom
* TomatoInTheMirror: [[spoiler:The resurrected Kumi isn't even the real one but rather her Borg assuming her form via her memories.]]
* TookALevelInJerkass: [[spoiler:Since her resurrection.]]
* WasOnceAMan: [[spoiler:Originally human, now a borg.]]
* TheWormThatWalks: Since her resurrection, everything save for her head is nothing but Borg drills.

!!Kasumi Tomine
-->'''Voiced by''': Noriko Shitaya (JP), Creator/JessicaCalvello (EN)

Tropes associated with Kasumi:
* AdaptationDyeJob: She has red eyes in the OVA whilst having entirely black in volume 1 and later on green
* AlmightyJanitor
* AntiHero:
** UnscrupulousHero: Originally, she began as this but appears to have evolved into a...
** NominalHero
* ArtEvolution: In volume 1, she had blonde hair, whilst from volume 2 and onwards she has light brown
* BloodKnight
* BodyHorror: Since her fusion with the Yellowknife, her new eyebrow "spawn" yellow knife pods in a vat of milk in her room. Then there's the fact that if she continues to fuse with it then [[spoiler:her Yelloknife antennae will no longer spawn from her hair but instead burst from her skin]].
* BoisterousBruiser
* BrokenAce: She's an expert at piano, ballet, chess, robotics competitions and roller skating, but her greatest fear is being alone ever since her brother left.
* CuteAndPsycho
* CuteBruiser
* FullFrontalAssault: OVA only. [[spoiler:In the manga, she's fully clothed when she attacks Kumi after coming out of the Yellowknife]]
* GirlishPigtails
* HalfHumanHybrid: After the Yellowknife mutation
* HumanoidAbomination: After the Yellowknife mutation
* LittleMissBadass
* TheMcCoy
* NotHerself: After the Yellowknife mutation
* {{Ojou}}
* PowerDyesYourHair: Her hair turns from blonde to [[spoiler: brown as a result of the Yelloknife mutation in volume 2]]
* RedEyesTakeWarning: Anime Only.
* RedOniBlueOni: Red to Kumi's Blue
* SociopathicHero: Becomes this over time
* StepfordSmiler
* SuperpoweredEvilSide: [[spoiler:Her Yellowknife split personality]]
** [[spoiler:AxCrazy]]
** [[spoiler:BrainWashedAndCrazy]]
** [[spoiler:CreepyChild]]
** [[spoiler:DarkActionGirl]]
** [[spoiler:EnfantTerrible]]
** [[spoiler:HellishPupils]]
** [[spoiler:PsychoForHire]]
** [[spoiler:TranshumanTreachery]]
* TokenEvilTeammate: Becomes this over time
* TykeBomb
* VerbalTic: "Nya!"