History Characters / BokuGirl

* TheTrickster: One should expect no less of Loki, no matter the medium.

* {{Tsundere}}: {{Subverted|Trope}}. The way she acts around Takeru makes her look like a typical tsundere who tries to act aloof around her obvious crush. The truth is Imai really hates Takeru for being so close to her actual crush, Mizuki. She's only forcing herself to approach Takeru with the intention of getting rid of him.

* ZettaiRyouiki: Her outfit as a goddess includes thigh-high boots and a bikini bottom. At the human world, she wears black thigh-high stockings when she's in her school uniform or casual clothes.

* NewTransferStudent: She transfer into Mizuki's class after summer break to be close to Mizuki.

* ParasolOfPrettiness: She goes around with a frilly parasol to complement her {{Ojou}} image.

* SitcomArchNemisis: He ''hates'' Takeru's father because the latter has been annoying him since their childhood. He's even angrier at Takeru's father after finding out Takeru "seduced" Mizuki.

* SingleWomanSeeksGoodMan: After becoming a girl, Mizuki begins to feel attracted to Takeru because he's such a NiceGuy and a great friend.

* ViolentlyProtectiveGirlfriend: Whipped out a ''crossbow'' on Takeru when he smacked Yamada for making moves on Mizuki.

* AnnoyingYoungerSibling: To Takeru.
* ChildhoodFriendRomance: She and Mizuki are childhood friends and she has a crush on him.

* PervertDad: He has some serious urges concerning his child because Mizuki is so cute and feminine-looking, to the point of keeping a StalkerShrine. Mizuki also mentions his father always took baths with him when he was a boy.

* StalkerWithACrush: He has been keeping a very close eye on Mizuki since he was little...

* StalkerWithACrush: She has a habit of following and spying on the girls she's attracted to. She also keeps a StalkerShrine dedicated to Mizuki in her room.

* ClosetKey: Initially, one could assume Mizuki could only have become attracted to Takeru [[TheMindIsAPlaythingOfTheBody because the gender transformation affected his sexuality]]. [[spoiler:However, Mizuki remains attracted to Takeru even when he's temporarily returned to being male. That said, instead of living as a gay or bisexual boy, Mizuki ends up JumpingTheGenderBarrier (though not entirely on account of Takeru) to live as a straight girl.]]

* AmbiguousGenderIdentity: Mizuki insists that he wants to be manly and turn back into a boy as soon as possible. However, there are many hints that Mizuki actually enjoys girly stuff more than he likes to admit and had since long before being turned into one. Whether it was brought on by Loki's forceful transformation or being a girl was just a convenient excuse to stop pretending is never stated directly, but [[spoiler:in the end, Mizuki happily embraces her new life as a girl.]]

* BiTheWay: Mizuki has a crush on a girl, Fujiwara, and after becoming a girl, Mizuki soon begins to feel attracted to his male friend Takeru too. [[spoiler:This is subverted near the end of the manga. Mizuki's "crush" on Fujiwara is revealed to be a feeling of admiration, rather than attraction. It makes deciding between her and Takeru pretty straightforward.]]

* BiTheWay: She's obsessed with Yamada and also falls for Mizuki thinking he's just a {{Bifauxnen}}.

* AttractiveBentGender: Mizuki is incredibly cute both as a boy and as a girl, though outside of anatomical differences he doesn't look especially different. People of both genders keep falling for Mizuki, several who don't care about Mizuki's gender because Mizuki is beautiful either way.

* {{Gayngst}}: Mizuki gets both sides of the issue, ironically. On one side, he considers [[IncompatibleOrientation being a girl prevents him from confessing to his crush Fujiwara.]] But after his feelings for Takeru start to awaken, he's very unsettled to find himself in love with a guy [[spoiler:and that those feelings remain even after he temporarily turns back into a boy.]]

* SoBeautifulItsACurse: He's so beautiful that nobody can believe he's a guy and he gets a lot of unwanted attention.

* IGotBigger: He was actually shorter than Mizuki when they were kids, but he came to tower over him over the years.

* RomanticRunnerUp: She's a very sweet girl, Mizuki likes her a lot from the beginning and she eventually returns those feelings after they become closer. Too bad for her that this is all about Mizuki and Takeru's budding romance.

* HairDecorations: The cube-shaped ornaments that tie her GirlishPigtails.

* HairDecorations: She wears a pair of flower-like hair ornaments to decorate her GirlishPigtails.

* BerserkButton: Don't ever try to harm Mizuki in any way, especially don't do anything perverted to him. Takeru will beat you up.

* IDontWantToRuinOurFriendship: The one thing holding him back from admitting his feelings for Mizuki is the long friendship they had as guys.

* TemptingFate: In the very first chapter, he jokingly tells Mizuki he will never confess to him, no matter how girly he is. Guess what happens some chapters after Mizuki turns into a ''real'' girl.

* ExpositoryHairstyleChange: Mizuki has short hair for most of the series. [[spoiler:In the final chapter, Mizuki now has long hair since she decided to stay a girl forever.]]

* ObliviousToLove: Mizuki fails to realize Takeru's growing attraction to him. Mizuki also mistakenly believes Imai is in love with Takeru when she's obsessively in love with Mizuki.

* YouGottaHaveBlueHair: Mizuki has magenta hair.

* IGotBigger: He was actually shorter than Mizuki when they were kids, but he came to tower him over the years.

!! Mizuki Suzushiro

* TeenyWeenie: When he was a boy, he was very self-conscious of the small size of his "kitten".

!! Takeru Ichimonji

!! Yumeko Fujiwara

!! Loki Asgard

!! Nanatarou V./W. Yamada

!! Tamako Daikawa

Introducing herself as Yamada's fiancee, Tamako was studying abroad in the UK until deciding to return to Japan to see Yamada again. Yamada, however, wants nothing to do with her, going so far as to publicly proclaim his love for Mizuki in a desperate bid to get her to give up.

* HairDecorations: She wears a pair of flower-like hair ornaments to decorate for GirlishPigtails.

!! Mei Ichimonji

!! Mizuki's father

!! Mai Imai

* AttractiveBentGender: Mizuki is really cute both as a guy and as a girl, though outside of anatomical differences he doesn't look especially different. This trope also causes Takeru a great deal of confusion as he becomes attracted to Mizuki as a girl.
* BeautyMark: He has one beneath his lower lip.

* ObliviousToLove: He fails to realize Takeru's growing attraction to him.
* OfficialCouple: [[spoiler:With Takeru. The series ends with Mizuki deciding to live as a girl and become his girlfriend.]]
* OneeSama: Akiko calls Mizuki this after becoming infatuated with him.

* SingleWomanSeeksGoodMan: After becoming a girl, Mizuki begins to feel attracted to Takeru because he's such a nice guy and a great friend.
* SoBeautifulItsACurse: He's so beautiful that nobody can believe he's a guy and he gets many unwanted attention.

* StrongFamilyResemblance: He looks identical to his mother.

* ThroughHisStomach: In the bonus final chapter, Mizuki decides to make a bento for Takeru [[spoiler:now that they're officially a couple]]. Takeru, however, gets worried because [[LethalChef Akiko]] taught Mizuki how to cook. [[spoiler:Surprisingly, Mizuki's bento turns out to actually be good.]]
* TransgenderFetishization: Mizuki is a girly-looking boy that got turned into a girl and ever since the change he's always getting nude scenes and being forced to wear cute or sexy costumes. Even the covers show him in {{Fanservice}}-y outfits.

* CovertPervert: He appears to be a nice and decent guy, but his fantasies about Mizuki can turn... wild very often. This just gets worse as the series goes on.

* OfficialCouple: [[spoiler:With Mizuki.]]

* BoyishShortHair: In the final chapter, Fujiwara has cut her hair to shoulder-length to represent how she has grown more comfortable with expressing her interest in {{Tokusatsu}}.

* GirlyGirlWithATomboyStreak: She's very cute, ladylike and happens to love mechas and tokusatsu superheroes. She often behaves more masculine than the manliness-obsessed Mizuki.

* UsedToBeATomboy: She was just like a boy when she was a child, but since [[WantedAGenderConformingChild her mother wouldn't stop nagging about it]], Yumeko became girlier after entering middle school. [[GirlyGirlWithATomboyStreak She still kept her tomboy streak, though.]]

* BareYourMidriff: She wears a midriff-baring outfit in her goddess form.

* ButNowIMustGo: [[spoiler:Subverted. The story seems to end with Loki being forced to leave human world after Thor finds her. Then the last chapter ends with Loki coming back to pull pranks once more.]]

* CompulsorySchoolAge: She's an ancient goddess, but thanks to having the appearance of a teenage girl she can pass off as a student and transfer to Mizuki's class.

* GirlishPigtails: She wears her hair in a pair of twintails to emphatize her childish personality.

* InTheHood: She wears a hood in her goddess form.

* NewTransferStudent: She transfers to Mizuki's school so she can mess with him even more.

* ReallySevenHundredYearsOld: She looks like a teenage girl, but as the Loki from Norse mythology she's obviously MUCH more older than she appears.

* {{Tsundere}}: Loki just loves causing trouble for Mizuki and making him feel miserable. Later on, she shows hints that she has grown fond of him as more than just a toy.

* ZettaiRyouiki: She wears black thigh-high stockings.

* AbhorrentAdmirer: To Mizuki.

* BullyMagnet: He was bullied as a child because his father runs a lingerie company and is quite the eccentric.
* CampStraight: He's highly flamboyant and rather obsessed with womens' underwear to the point of wearing it regularly due being heir to a lingerie company. He is also attracted to Mizuki, who he knows is physically female, but not that "she" wasn't born that way.
* CreepyCrossdresser: He likes to wear womens' underwear, which people find creepy.

* ItRunsInTheFamily: His father is a flamboyant crossdresser who goes around in womens' underwear, just like him.
* LongHairedPrettyBoy: Shoulder-length curly hair, and most girls are attracted to him.

* PrinceCharmless: He has everything that would make him a PrincelyYoungMan (heir of a big company, good looks, popular). However, hiss obsession with womens' underwear and general creepy behavior make it impossible to find him attractive.
* SelfProclaimedLoveInterest: He declares Mizuki to be his future wife shortly after they meet.
* SingleTargetSexuality: He claims there are only two things that get him aroused: female underwear and Mizuki. He later states he doesn't care about Mizuki's gender.
* StalkerWithACrush: To Mizuki.
* ThatManIsDead: He promised to stop his advances on Mizuki if he helped him drive Akiko away. After they succeed, he keeps pursuing Mizuki under the excuse that the old him died and the new him has been reborn to continue loving Mizuki.

!! Akiko Daikawa

Introducing herself as Yamada's fiancee, Akiko was studying abroad in the UK until deciding to return to Japan to see Yamada again. Yamada, however, wants nothing to do with her, going so far as to publicly proclaim his love for Mizuki in a desperate bid to get her to give up.

* ChildhoodFriendRomance: Yamada says he and Akiko are childhood friends. She's madly in love with him, but the feeling isn't mutual.

* IfICantHaveYou: Not able to stand seeing Yamada with Mizuki, Akiko attempts a MurderSuicide with Yamada.
* LethalChef: Akiko's cooking is not only mosaic-censored, but when Loki fed some to her crow minion it ''exploded.'' Loki happily proclaimed its potential as a bio-weapon.

* OnlyFriend: When they were younger, Akiko was the only person who got close to Yamada without judging him and getting creeped out by his eccentric father's job. However, their relationship became estranged when she refused to accept Yamada wanting to follow his father's career because she wants him to become a theatre actor.

* SelfProclaimedLoveInterest: She calls herself Yamada's fiancee. He would rather stay as far away from her as possible, though.

* SuddenNameChange: She was first named Tamako in fan translations. The final chapters changed her name to Akiko.

* AttractivenessIsolation: The final chapter reveals Imai always had a lot of female admirers, but they only admired her from afar because of her cold personality.
* BeneathTheMask: She puts up the front of an ice-cold and strict woman when she's really a flamboyant lesbian.

* EvenTheGirlsWantHer: Imai gets her own set of female admirers in the final chapter. This gives Imai a {{nosebleed}}.

* RapunzelHair: Her braids reach past her waist.

* StalkerShrine: She has a one in her room dedicated to Mizuki.
* StalkerWithACrush: She likes to keep watching the girls she's attracted to from afar and keeps a StalkerShrine for Mizuki in her room.

* ClosetOtaku: Fujiwara has loved mecha and tokusatsu superheroes since she was a child. She keeps it hidden not so much for the otaku stereotype, but because they're stereotypically boyish and any girls who might have shared her interest have since outgrown it.

* NiceGirl: Possibly the kindest soul in the entire manga. Among other things, she feels horribly guilty on calling Mizuki a pervert when she found him wearing panties.

* RapunzelHair: Her hair goes past her waist.

* LastNameBasis: Loki is the only person who calls her Yumeko.

* ObliviousToLove: She doesn't seem to notice Mizuki has a crush on her and carelessly asks him to help her get closer to Takeru.

* ObliviousToLove: She doesn't realize Mizuki's crush on her.
* OpaqueNerdGlasses: She wore these when she was in middle school.

* AllOfTheOtherReindeer: He was bullied as a child because his father runs a lingerie company and is quite the eccentric.

* GenderFlip: This Loki is a girl while the original Loki from Myth/NorseMythology was male, although he also could [[GenderBender turn into a woman]]. This is lampshaded near the end of the manga when Takeru mentions Loki is supposed to be a guy [[spoiler:after he forgets all about Loki]].

* ButtMonkey: He already had enough trouble because of his feminine looks and now Loki has decided to make his life a living hell because she's bored.
* ChildhoodFriendRomance: With Takeru. They have been best friends since childhood and once Mizuki turns into a girl, the romantic and sexual tension between them only keeps growing. [[spoiler:They become a couple and start dating at the end of the series.]]

* EvenTheGuysWantHim: Even before turning into a girl, Mizuki was very popular among guys and received several love confessions from them, some which wouldn't give up after discovering his gender.

* ChildhoodFriendRomance: With Mizuki. He has been Mizuki's best friend since they were children and after Mizuki turns into a girl, they become greatly attracted to each other. [[spoiler:They become boyfriend and girlfriend at the end of the series.]]

* NiceGirl: She's kind and friendly and always likes to help out her friends. Among other things, she feels horribly guilty on calling Mizuki a pervert when she found him wearing panties.
* PaperThinDisguise: Her disguise as [=YumeYume=] isn't fooling anyone.

Mizuki's senior and a prefect who keeps telling Mizuki to wear the girls' uniform after his secret gets out. She has a reputation for always being serious and cold. She's actually a lesbian and is secretly in love with Mizuki.

* EvenTheGirlsWantHer: Imai gets her own set of female admirers in the final chapters. This gives Imai a {{nosebleed}}.
* LoveAtFirstSight: She fell for Mizuki at first sight.
* {{Nosebleed}}: She gets theses whenever she gets too overly excited over girls.

* ShipperWithAnAgenda: She tries to get Fujiwara and Takeru together so she can have Mizuki to herself.

* StalkerWithACrush: She likes to keep watching the girls she's attracted to from afar and has StalkerShrine for Mizuki.

* InformedAbility: While Mizuki's formidable martial arts skills are frequently acknowledged for the sake of gags, they are rarely applied where they would be useful and tend to disappear completely in the face of an actual threat.

* BeneathTheMask: He makes himself look like the strict and dignified head of the Suzushiro household.

* BiTheWay: Mizuki has a crush on a girl, Fujiwara, and after becoming a girl, Mizuki soon begins to feel attracted to his male friend Takeru too. [[spoiler:This is subverted near the end of the manga. Mizuki's "crush" on Fujiwara is revealed to be a feeling of admiration, rather than attraction. It makes deciding between her and Takeru pretty straightforward.]]

* IfItsYouItsOkay: Mizuki was never into guys and he has a crush on a girl named Fujiwara, but after becoming a girl Mizuki begins to feel attracted to his best friend Takeru. [[spoiler: and near the end, Mizuki's "crush" on Fujiwara is revealed to be a feeling of admiration, rather than attraction. It makes deciding between her and Takeru pretty straightforward.]]

* IfItsYouItsOkay: Mizuki was never into guys and he has a crush on a girl named Fujiwara, but after becoming a girl Mizuki begins to feel attracted to his best friend Takeru.

* AmbiguousGenderIdentity: Mizuki insists that he wants to be manly and turn back into a boy as soon as possible. However, there are many hints that Mizuki actually enjoys girly stuff more than he likes to admit and had since long before being turned into one. Whether it was brought on by Loki's forceful transformation or being a girl was just a convenient excuse to stop pretending is left somewhat ambiguous, or at least is never stated directly. [[spoiler:In the end, Mizuki decides embrace her new life as a girl.]]

* AmbiguousGenderIdentity: Mizuki insists that he wants to be manly and turn back into a boy as soon as possible. However, there are many hints that Mizuki actually enjoys girly stuff more than he likes to admit and had since long before being turned into one. Whether it was triggered by his forceful transformation or means that he was a closeted trans girl from the start is up to interpretation. [[spoiler:In the end, Mizuki does embrace her new life as a girl.]]

* AmbiguousGenderIdentity: Mizuki insists that he wants to be manly and turn back into a boy as soon as possible. However, there are many hints that Mizuki actually enjoys girly stuff more than he likes to admit and slowly starts getting used to being a girl. Whether it was triggered by his forceful transformation or means that he was a closet transgender from the start is up to interpretation. [[spoiler:In the end, Mizuki does embrace her new life as a girl.]]