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* In ''Roleplay/{{Communication}}'', [[spoiler: [[PreviousPlayerCameo Taylor]] views Homura as this due to them both being a previous Host of Consensus.]]

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* In ''Roleplay/{{Communication}}'', [[spoiler: [[PreviousPlayerCameo [[PreviousPlayerCharacterCameo Taylor]] views Homura as this due to them both being a previous Host of Consensus.]]Consensus]].

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Changed: 13258

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%% This folder has been alphabetized; please add new examples in the correct order. Thanks!
%%
* In ''Fanfic/AAMLDiamondAndPearlVersion'', after Misty starts travelling with Ash, Brock, and Dawn through Sinnoh, Misty and Dawn reach a point where they openly state that they consider the other girl a sister, Misty enjoying the chance to be a good big sister to someone after her own older siblings neglected her for so long.



* ''[[https://www.fanfiction.net/s/1745270/1/Always-A-Ranger-Series Always a Ranger]]'' sees original Pink Ranger Kimberly Hart (''Series/MightyMorphinPowerRangers'') return to Tommy Oliver's life after he becomes the mentor to the [[Series/PowerRangersDinoThunder Dino Thunder team]]. As Kim spends more time with the modern team, new Yellow Ranger Kira Ford muses at one point that she has come to see Kim as a kind of surrogate older sister, to the point that Kim asks Kira to be a bridesmaid at her wedding to replace the deceased Trini.



* The ''Series/BattlestarGalactica2003''/''Series/TerminatorTheSarahConnorChronicles'' crossover "[[https://www.fanfiction.net/s/4960624/1/An-Angel-With-No-Fate An Angel With No Fate]]" opens with Kara Thrace being sent back from the post-Judgement Day world to the present (having been sent forward in time to Judgement Day from her last meeting with Lee). She became a special tactical advisor to John Connor in the future, but in the present, she and the teenage John soon become so close that at one point they declare themselves to be brother and sister.



* It's not explicitly stated in ''Fanfic/AvengerOfSteel'', but while Clark has experienced potentially romantic moments with other women (including Natasha, Sif, Trish, Karen, and Skye), his relationship with Jessica Jones is so far close but platonic ever since she learned that he had powers after he moved into her building, with both of them denying the idea that they're romantically involved with varying degrees of disgust. Later, [[spoiler:Raven, the would-be Black Sky and daughter of Trigon, appears to develop a similar affection for Superman, with the love she feels for him being compared to the love one might feel for an older brother]].
* In ''Fanfic/AvengersInfiniteWars'', Padme makes it clear to Anakin that she understands how Ahsoka is basically his little sister when he sees Ahsoka [[spoiler:kissing Peter Parker and wonders if he should say something]], but Padme encourages her husband to just trust Ahsoka's judgement and offer his support, particularly since he recognises that Peter is a good man who wouldn't hurt Ahsoka.
* ''Fanfic/AQUATheFirstStep'': OriginalCharacter Alexander Wallace of the ''WebAnimation/{{RWBY}}'' fic becomes partners with Amber at Beacon Academy, and they eventually develop this relationship. Amber even remarks at one point that she's Alexander's sister "in all but blood."
* ''Webcomic/BakeryEnemies'': Chloe and Adrien ''seem'' like a one-sided SickeninglySweethearts situation, and Marinette assumes they're dating. Adrien later explains that she's been his only friend for most of his life (and she was the only one who stuck with him when his father was outed as a supervillain) but she's secretly a lesbian.
* ''Fanfic/ThisBites'' develops this relationship between [[SelfInsert Jeremiah Cross]] and [[Manga/OnePiece Nico Robin]], with Cross working to make Robin open up to the Straw Hats earlier than canon to prevent her from surrendering herself to Cipher Pol in a futile attempt to protect them. Of course, their relationship usually ranges from teasing to confining with each other, with both referring to each other as "little brother and older sister" by the end of Enies Lobby.



* In "[[https://www.fanfiction.net/s/12490736/1/Come-Together Come Together]]", Tom Riddle (''Franchise/HarryPotter'') joins the Howling Commandos (''Film/CaptainAmericaTheFirstAvenger'') after he's rescued from the Hydra camp where Bucky and others were being kept. After the war is over, he retains such a close bond with the survivors that at one point Peggy Carter explicitly thinks of Tom Riddle as being like her little brother, even if she wouldn't say it out loud.
* The ''Manga/ElfenLied'' fic ''Fanfic/FamilySticksTogether'' depicts such a relationship between Kaede (aka Lucy/Nyu) and OriginalCharacter Alex. At first, he becomes her OnlyFriend at the orphanage, but within a few chapters, they've become so close that Kaede asks Alex to be her brother, and he happily agrees.
* In the pro wrestling AU ''[[https://www.fanfiction.net/s/11368588/1/Mountain-Murders Mountain Murders]]'' trilogy of stories, small-town police officers Wrestling/SethRollins and Trina Copley are frequently described as being like this.

to:

* In "[[https://www.fanfiction.net/s/12490736/1/Come-Together Come Together]]", Tom Riddle (''Franchise/HarryPotter'') joins The grown-up Godzilla Junior and Mothra Lea became this by the Howling Commandos (''Film/CaptainAmericaTheFirstAvenger'') after he's rescued from the Hydra camp where Bucky and others were being kept. After the war is over, he retains such a time we meet them in ''Fanfic/TheBridge''. They've been close bond with the survivors that at one point Peggy Carter friends and allies for over a decade since they first teamed up, able to read each other better than anyone. For all intents and purposes, they are a platonic BattleCouple. (This is in ''huge'' contrast to how their parents got along... or rather, didn't.)
* In ''Fanfic/CalamityJaneMeetsDoctorIsles'', while Jane and Frost never
explicitly thinks of Tom Riddle as being like her little brother, even if she wouldn't say it out loud.
* The ''Manga/ElfenLied'' fic ''Fanfic/FamilySticksTogether'' depicts such a relationship between Kaede (aka Lucy/Nyu) and OriginalCharacter Alex. At first, he becomes her OnlyFriend at
state that they consider the orphanage, but within other a few chapters, they've sibling, their interaction with each other makes this dynamic obvious.
* In ''Fanfic/ChaosEffect'' Tea Gardner informs Edwin that he has
become so close that Kaede asks Alex to be like her brother, and he happily agrees.
* In the pro wrestling AU ''[[https://www.fanfiction.net/s/11368588/1/Mountain-Murders Mountain Murders]]'' trilogy of stories, small-town police officers Wrestling/SethRollins and Trina Copley are frequently described
with him quick to call her his sister.
** Edwin also treats his alternate dimensional self Edna
as being like this. 'the sister (he) never had'.



* In ''Titans and the Lost Boy'', Starfire apparently decides that Ryouga is similar to a Tamaranian. This leads to her growing closer to him, which eventually leads to this kind of relationship. Said relationship persists throughout the sequel, ''Fanfic/DarkTitans'', and the sequel/crossover with ''Fanfic/TheRoadToCydonia'', [[MegaCrossover ''Reflections Lost on a Dark Road''.]]
* In the [[http://www.fanfiction.net/s/6915218/1/Subroutine ''Subroutine'']] FanVerse (Film/TronLegacy / VideoGame/TronTwoPointOh PatchworkFic), Jet and Quorra fall into this pattern.
* In ''Fanfic/AStudyInRegret'', [[TheHero Inspector Lestrade]] and [[ActionGirl Mary Watson]] develop this relationship in the story's RescueArc.
* In ''Fanfic/MyLittleCastlevania'', this describes Shatterstorm and Spitfire's relationship. And given Shatterstorm's [[HeManWomanHater usual feelings towards mares]], it's rather refreshing.
* In ''Fanfic/AAMLDiamondAndPearlVersion'', after Misty starts travelling with Ash, Brock, and Dawn through Sinnoh, Misty and Dawn reach a point where they openly state that they consider the other girl a sister, Misty enjoying the chance to be a good big sister to someone after her own older siblings neglected her for so long.
* ''Fanfic/PoniesOneHalf'':
** Ranma and Pinkie Pie have this kind of relationship.
** Emi and Shou as well. They are both {{otaku}}, have many of the same interests, and are rarely seen without the other. Despite that, they have no romantic interest in each other, with Shou actually being more interested in Momo, Pinkie's [[BuxomBeautyStandard buxom human form]].



* The grown-up Godzilla Junior and Mothra Lea became this by the time we meet them in ''Fanfic/TheBridge''. They've been close friends and allies for over a decade since they first teamed up, able to read each other better than anyone. For all intents and purposes, they are a platonic BattleCouple. (This is in ''huge'' contrast to how their parents got along... or rather, didn't.)
* [[Manga/FullmetalAlchemist Breda, Falman, Fuery, and Havoc]] have this relationship with Riza Hawkeye in the ''Fanfic/ElementalChessTrilogy''. Havoc lampshades it in his turn at the narrative, thinking of the group as "a band of brothers (and one sister, of course)". She has a similar bond, though to a lesser extent, with the Elric brothers.
* In the ''WesternAnimation/DannyPhantom[=/=]Film/{{Beetlejuice}}'' CrossOver ''Fanfic/SayItThrice'', this may be the best way to describe the relationship between Betelgeuse and Lydia. They've grown, in the two years since the events of the film, into devoted friends who clearly love each other, but there's nothing romantic about it. The last chapter even has Jazz calling Betelgeuse Lydia's "crazy big brother who'd do anything for [her]."

to:

* The grown-up Godzilla Junior and Mothra Lea became In the ''Anime/CodeGeass'' fic ''Fanfic/AColdCalculus'', [[spoiler:Empress]] Euphiemia wants to invoke this by between her future children, Milly's, and Kallen's. This isn't just out of her friendship with both girls but also for [[PragmaticHero pragmatic reasons]]. [[spoiler:As Euphemia is now the time we meet them in ''Fanfic/TheBridge''. They've been close friends empress of Britannia and allies for over a decade since they first teamed up, able to read each other better than anyone. For all intents the now-duchesses Milly and purposes, they Kallen are a platonic BattleCouple. (This is in ''huge'' contrast her designated heirs, she wants to how have their parents got along... or rather, didn't.)
* [[Manga/FullmetalAlchemist Breda, Falman, Fuery,
children interact in their childhood and Havoc]] have this a sibling-like relationship with Riza Hawkeye in to prevent future marriages and avoid their family lines blending together]].
* In "[[https://www.fanfiction.net/s/12490736/1/Come-Together Come Together]]", Tom Riddle (''Franchise/HarryPotter'') joins
the ''Fanfic/ElementalChessTrilogy''. Havoc lampshades it in his turn at Howling Commandos (''Film/CaptainAmericaTheFirstAvenger'') after he's rescued from the narrative, thinking of Hydra camp where Bucky and others were being kept. After the group as "a band of brothers (and one sister, of course)". She has war is over, he retains such a similar bond, though to a lesser extent, close bond with the Elric brothers.
survivors that at one point Peggy Carter explicitly thinks of Tom Riddle as being like her little brother, even if she wouldn't say it out loud.
* In The WhatIf fic ''[[https://archiveofourown.org/works/48258568 compliment the ''WesternAnimation/DannyPhantom[=/=]Film/{{Beetlejuice}}'' CrossOver ''Fanfic/SayItThrice'', this may be the best way to describe the ending (oh valentina)]]'' has [[AdaptationalRelationshipOverhaul Gabriel and Emilie's relationship between Betelgeuse and Lydia. They've grown, in the two years since the events of the film, into devoted friends who clearly love each other, but there's nothing going from a romantic about it. The last chapter couple to siblings in all-to-blood]], thanks to Emilie meeting Gabriel when she is recommended one of his designs rather than during a lycee party where they kiss during the normal timeline. Their own dynamic is a mix of siblings and permanent client-and-designer, and Emilie would even has Jazz calling Betelgeuse Lydia's "crazy big brother who'd do anything [[TheMatchmaker help get Gabriel together with fellow investigator Nathalie when they were searching for [her]."the Miraculouses]].
* In ''Fanfic/TheConfectionaryChronicles'', after Hermione essentially becomes Loki's High Priestess before she even starts at Hogwarts, she swiftly forms such a strong bond with her god that the rest of Loki's children come to consider Hermione their little sister (even after they confirm that she isn't ''actually'' Loki's daughter).



* [[VideoGame/DragonAgeInquisition The Heralds of Andraste]] describe themselves this way in the ''Fanfic/TwiceUponAnAge'' series, with Mahanon noting that Victoria is the closest thing he's ever had to a sibling. She actually has three older siblings of her own; it's just heavily implied that she likes him better. She has a similar, if less intense, bond with Dorian as well.
* Ororo and Scott become this in ''[[http://archiveofourown.org/series/82162 Stars from Home]]''. Initially, Ororo is still quite young, but as she grows up this becomes MistakenForRomance -- although they both insist it's platonic and [[ComingOutStory he's really not her type.]]
* OriginalCharacter Ty and [[TheAce Pyrrha Nikos]] in ''[[https://www.fanfiction.net/s/11830443/1/So-We-re-A-Couple So We're A Couple]]'', to the point that Ty repeatedly greets and refers to Pyrrha as [[AffectionateNickname "Sis"]]. [[SubvertedTrope Though Pyrrha states that Ty is a "cousin from her mother's side",]] it's apparent right from the category tags of the fic that [[KissingCousins that particular situation]] [[DefiedTrope won't be an issue]]. [[ShipToShipCombat Considering the]] usual... [[CrackPairing flavor]] of OC pairings in ''RWBY'', it's an interesting and welcome change of pace.
* ''Fanfic/ToHellAndBackArrowverse'': After spending a decade together either trapped on Lian Yu or training with the League of Assassins, Oliver, Barry, and Kara are not interested in each other romantically, to the point that even the thought of it sickens all of them.
* The ''Series/{{Supernatural}}'' fic "[[https://www.fanfiction.net/s/8835418/1/If-I-Knew-Then-What-I-Know-Now If I Knew Then What I Know Now]]" features Dean Winchester undergoing MentalTimeTravel back in time to save his mother's life, accompanied by Castiel. As the Winchesters go hunting using Dean's future knowledge, Castiel is introduced to others as Mary's brother to justify him associating with them.
* The ''Series/BattlestarGalactica2003''/''Series/TerminatorTheSarahConnorChronicles'' crossover "[[https://www.fanfiction.net/s/4960624/1/An-Angel-With-No-Fate An Angel With No Fate]]" opens with Kara Thrace being sent back from the post-Judgement Day world to the present (having been sent forward in time to Judgement Day from her last meeting with Lee). She became a special tactical advisor to John Connor in the future, but in the present, she and the teenage John soon become so close that at one point they declare themselves to be brother and sister.
* ''[[https://www.fanfiction.net/s/1745270/1/Always-A-Ranger-Series Always a Ranger]]'' sees original Pink Ranger Kimberly Hart (''Series/MightyMorphinPowerRangers'') return to Tommy Oliver's life after he becomes the mentor to the [[Series/PowerRangersDinoThunder Dino Thunder team]]. As Kim spends more time with the modern team, new Yellow Ranger Kira Ford muses at one point that she has come to see Kim as a kind of surrogate older sister, to the point that Kim asks Kira to be a bridesmaid at her wedding to replace the deceased Trini.
* ''Fanfic/TotalDramaLegends'': Throughout the story, Duncan and Zoey grow a strong bond, playfully teasing each other, and frequently helping the other out during their relationship issues. At one point, Duncan explicitly admits that he views Zoey more as an annoying little sister when the idea of the two dating comes up.
* In the ''Film/{{Underworld|2003}}'' AU fic ''[[https://www.fanfiction.net/s/10323818/1/The-Vampire-Leader The Vampire Leader]]'', after Lucian's death during his attempt to escape the vampire fortress, his vampire lover Sonja and lycan protégé Raze become the leaders of the lycan rebellion, with Raze serving as its public face while Sonja provides her tactical expertise. While they work together for centuries, Sonja and Raze never consider taking the relationship further, at least partly out of respect for Lucian's memory, but they are each aware that they can trust the other with their lives, to the extent that Sonja had planned to make Raze the hybrid before circumstances prompted her to transform herself to face her father.
* In ''Series/The100'' fic ''Fanfic/LightningOnlyStrikesOnce'', Clarke explicitly refers to Wells as the closest thing she's ever had to a brother. For his part, while Wells was initially hurt when he realised that Clarke was now involved with Lexa, he later assures Lexa that he's happy for them as he now retains his existing bond with Clarke rather than risk losing it by trying for something more and failing.
* In ''Fanfic/DidIMakeTheMostOfLovingYou'', when Adama and Roslin's six-year-old son Liam is told that Kara is family during their first meeting, the boy immediately takes this to mean that Kara is the sister he asked for, and Kara tentatively accepts the title. Even [[spoiler:after the infant Evelyn Adama is born after the destruction of the Colonies, all concerned parties make it clear that Kara can still consider herself Liam and Evelyn's sibling even before she marries Lee]].
* In ''Fanfic/CalamityJaneMeetsDoctorIsles'', while Jane and Frost never explicitly state that they consider the other a sibling, their interaction with each other makes this dynamic obvious.

to:

* [[VideoGame/DragonAgeInquisition The Heralds of Andraste]] describe themselves this way in the ''Fanfic/TwiceUponAnAge'' series, with Mahanon noting that Victoria is the closest thing he's ever had to a sibling. She actually has three older siblings of her own; it's just heavily implied that she likes him better. She has a similar, if less intense, bond with Dorian as well.
* Ororo
''Fanfic/CrimsonAndNoire'': Chloe and Scott become this in ''[[http://archiveofourown.org/series/82162 Stars from Home]]''. Initially, Ororo is still quite young, but as she grows up this becomes MistakenForRomance -- although they both insist it's platonic and [[ComingOutStory he's really not her type.]]
* OriginalCharacter Ty and [[TheAce Pyrrha Nikos]] in ''[[https://www.fanfiction.net/s/11830443/1/So-We-re-A-Couple So We're A Couple]]'', to the point that Ty repeatedly greets and refers to Pyrrha as [[AffectionateNickname "Sis"]]. [[SubvertedTrope Though Pyrrha states that Ty is a "cousin from her mother's side",]] it's apparent right from the category tags of the fic that [[KissingCousins that particular situation]] [[DefiedTrope won't be an issue]]. [[ShipToShipCombat Considering the]] usual... [[CrackPairing flavor]] of OC pairings in ''RWBY'', it's an interesting and welcome change of pace.
* ''Fanfic/ToHellAndBackArrowverse'': After spending a decade together either trapped on Lian Yu or training with the League of Assassins, Oliver, Barry, and Kara are not interested in each other romantically, to the point that even the thought of it sickens all of them.
* The ''Series/{{Supernatural}}'' fic "[[https://www.fanfiction.net/s/8835418/1/If-I-Knew-Then-What-I-Know-Now If I Knew Then What I Know Now]]" features Dean Winchester undergoing MentalTimeTravel back in time to save his mother's life, accompanied by Castiel. As the Winchesters go hunting using Dean's future knowledge, Castiel is introduced to others as Mary's brother to justify him associating with them.
* The ''Series/BattlestarGalactica2003''/''Series/TerminatorTheSarahConnorChronicles'' crossover "[[https://www.fanfiction.net/s/4960624/1/An-Angel-With-No-Fate An Angel With No Fate]]" opens with Kara Thrace being sent back from the post-Judgement Day world to the present (having been sent forward in time to Judgement Day from her last meeting with Lee). She became a special tactical advisor to John Connor in the future, but in the present, she and the teenage John soon become so close that at one point they declare themselves to be brother and sister.
* ''[[https://www.fanfiction.net/s/1745270/1/Always-A-Ranger-Series Always a Ranger]]'' sees original Pink Ranger Kimberly Hart (''Series/MightyMorphinPowerRangers'') return to Tommy Oliver's life after he becomes the mentor to the [[Series/PowerRangersDinoThunder Dino Thunder team]]. As Kim spends more time with the modern team, new Yellow Ranger Kira Ford muses at one point that she has come to see Kim as a kind of surrogate older sister, to the point that Kim asks Kira to be a bridesmaid at her wedding to replace the deceased Trini.
* ''Fanfic/TotalDramaLegends'': Throughout the story, Duncan and Zoey grow a strong bond, playfully teasing each other, and frequently helping the other out during their
Adrien's relationship issues. At one point, Duncan explicitly admits that he views Zoey more as an annoying little sister when the idea seems to be a mix of the two dating comes up.
* In the ''Film/{{Underworld|2003}}'' AU fic ''[[https://www.fanfiction.net/s/10323818/1/The-Vampire-Leader The Vampire Leader]]'', after Lucian's death during his attempt to escape the vampire fortress, his vampire lover Sonja
this and lycan protégé Raze become the leaders of the lycan rebellion, ChildhoodFriends, with Raze serving as its public face while Sonja provides her tactical expertise. While they work together for centuries, Sonja and Raze never consider taking the relationship further, at least partly out of respect for Lucian's memory, but they are each aware that they can trust the other with a few quirks in their lives, to the extent that Sonja had planned to make Raze the hybrid before circumstances prompted her to transform herself to face her father.
* In ''Series/The100'' fic ''Fanfic/LightningOnlyStrikesOnce'', Clarke explicitly refers to Wells as the closest thing she's ever had to
past like exchanging a brother. For his part, while Wells was initially hurt when he realised that Clarke was now involved with Lexa, he later assures Lexa that he's happy for them as he now retains his existing bond with Clarke rather than risk losing it by trying for something more pinecone and failing.
* In ''Fanfic/DidIMakeTheMostOfLovingYou'', when Adama and Roslin's six-year-old son Liam is told that Kara is family during
acorn on their birthdays. During the events of Horrification, she tries to take the lead role from Mylene until she finds out that Adrien will be playing the male lead, at which point she backs out since Nino added a kiss scene in the script. And when Kagami asks if Chloe is Adrien's girlfriend when they first meeting, meet, Chloe [[ScreamingAtSquick shrieks with horror]] at the boy immediately takes this to mean thought.
* The ''Literature/BofuriIDontWantToGetHurtSoIllMaxOutMyDefense'' fic ''[[https://archiveofourown.org/works/48752269/chapters/129661300 Defense and Valentines]]'' has Kuromu telling his chat-room friends
that Kara is the sister he asked for, his and Kara tentatively accepts the title. Even [[spoiler:after the infant Evelyn Adama is born after the destruction of the Colonies, all concerned parties make it clear that Kara can still consider herself Liam and Evelyn's sibling even before she marries Lee]].
* In ''Fanfic/CalamityJaneMeetsDoctorIsles'', while Jane and Frost never explicitly state that they consider the other a sibling, their interaction with each other makes this
Iz's dynamic obvious.is this, much to the disappointment of a ShipperOnDeck of the pair in the chat. He even points out that the ''[=NewWorld=] Online'' evaluates their dynamic as siblings. He also has a similar BigBrotherMentor role to the rest of the Maple Tree Guild.



* ''Fanfic/KimberlyTsGargoyles'' series all but explicitly features this kind of dynamic being established between Alexander Xanatos, the infant son of David and Fox Xanatos, and Bethany Marsden, the daughter of the Xanatos's new nanny Anne. Anne and Bethany are introduced in ''[[https://www.fanfiction.net/s/383012/1/Unsolved-Mysteries Unsolved Mysteries]]'', which immediately establishes that Bethany is a part-fey like Alexander with exceptional magical potential, prompting Owen/Puck to suggest that Anne be hired as the family nanny so that he can teach Bethany while giving Alexander his lessons in magic. During their first meeting, Bethany outright asks her mother if Alexander will be her little brother, and while Anne establishes that he is only ''like'' a little brother, there is never any sign that everyone else does not basically consider the children siblings, with Lexington observing that Alex needed 'rookery siblings' when the gargoyles first learn that the Marsdens are moving in.
* It's not explicitly stated in ''Fanfic/AvengerOfSteel'', but while Clark has experienced potentially romantic moments with other women (including Natasha, Sif, Trish, Karen, and Skye), his relationship with Jessica Jones is so far close but platonic ever since she learned that he had powers after he moved into her building, with both of them denying the idea that they're romantically involved with varying degrees of disgust. Later, [[spoiler:Raven, the would-be Black Sky and daughter of Trigon, appears to develop a similar affection for Superman, with the love she feels for him being compared to the love one might feel for an older brother]].
* ''Fanfic/GuiltUndone'' puts a more emotionally painful twist on this; when Daniel Jackson asks Samantha Carter out on a date, Sam tells Daniel that she ''only'' sees him as a brother, starting a chain of seemingly simple events that lead to Daniel getting killed on their next mission... and then, after spending the next month grieving how her friend and teammate died because she hurt his feelings, Sam realises on the one-month 'anniversary' of Daniel's death that she actually ''was'' in love with him.
* In ''Fanfic/ZToA'', events lead to Wanda Maximoff and Peter Parker from some point post-''Film/AvengersEndgame'' travelling back to the Battle of Leipzig Airport (''Film/CaptainAmericaCivilWar''), allowing them to change the future. Watching the two interact, characters such as Bruce Banner compare their dynamic to bantering siblings, with Wanda explicitly musing at one point that Peter reminds her of her lost brother Pietro.
* In ''Fanfic/TheOtherSideMemoriaeterna'', after the other half of the universe survived Thanos's Snap, Peter Parker becomes Tony Stark's primary surviving heir and makes it a priority to gather resources to find a way to undo the Snap. After a year of work, Peter Quill and Wanda Maximoff have each developed a low-key 'competition' with each other over their self-appointed status as Peter Parker's older siblings, and a later group chat affirms that Yelena Belova has a similar view as her name in the chat is "Sister Widow" (Doctor Strange, Jane Foster and Hope van Dyne are also in the chat, but they are listed as Uncle Wizard, Aunt Prof and Aunt Wasp respectively).
* In ''Fanfic/AvengersInfiniteWars'', Padme makes it clear to Anakin that she understands how Ahsoka is basically his little sister when he sees Ahsoka [[spoiler:kissing Peter Parker and wonders if he should say something]], but Padme encourages her husband to just trust Ahsoka's judgement and offer his support, particularly since he recognises that Peter is a good man who wouldn't hurt Ahsoka.



* In "[[https://archiveofourown.org/works/37160386/ What If... Wanda Didn't Mourn Alone?]]", after Peter provides Wanda with emotional support during and after the Westview crisis, [[spoiler:once Wanda regains her memory of Peter post-''Film/SpiderManNoWayHome'', even as she puts him back in touch with the rest of the Avengers, Peter states that his "family" is only complete when she joins his hug with Ned and MJ, the two practically adopting each other as siblings]].

to:

* In "[[https://archiveofourown.org/works/37160386/ What If... Wanda Didn't Mourn Alone?]]", after Peter provides Wanda with emotional support ''Fanfic/DidIMakeTheMostOfLovingYou'', when Adama and Roslin's six-year-old son Liam is told that Kara is family during their first meeting, the boy immediately takes this to mean that Kara is the sister he asked for, and Kara tentatively accepts the title. Even [[spoiler:after the infant Evelyn Adama is born after the Westview crisis, [[spoiler:once Wanda regains her memory destruction of Peter post-''Film/SpiderManNoWayHome'', the Colonies, all concerned parties make it clear that Kara can still consider herself Liam and Evelyn's sibling even as before she puts him back marries Lee]].
* [[Manga/FullmetalAlchemist Breda, Falman, Fuery, and Havoc]] have this relationship with Riza Hawkeye
in touch the ''Fanfic/ElementalChessTrilogy''. Havoc lampshades it in his turn at the narrative, thinking of the group as "a band of brothers (and one sister, of course)". She has a similar bond, though to a lesser extent, with the rest of Elric brothers.
* The ''Manga/ElfenLied'' fic ''Fanfic/FamilySticksTogether'' depicts such a relationship between Kaede (aka Lucy/Nyu) and OriginalCharacter Alex. At first, he becomes her OnlyFriend at
the Avengers, Peter states orphanage, but within a few chapters, they've become so close that Kaede asks Alex to be her brother, and he happily agrees.
* In ''Fanfic/ForceOfSouls'', this is the relation between Rukia and Renji, [[AdaptationRelationshipOverhaul as opposed to canon]], [[WhatIf attributed to Renji being adopted into a Kuchiki branch house after Rukia joined the main family.]]
* In ''Fanfic/TheGreatDualSubstituteTurnabout'', Canonverse Phoenix Wright had this dynamic with Maya Fey. When he's in a world where he is a prosecutor, he finds himself jealous of how Miles Edgeworth (who in that world is Maya and Mia's stepbrother) is close to Maya.
* ''Fanfic/GuiltUndone'' puts a more emotionally painful twist on this; when Daniel Jackson asks Samantha Carter out on a date, Sam tells Daniel that she ''only'' sees him as a brother, starting a chain of seemingly simple events that lead to Daniel getting killed on their next mission... and then, after spending the next month grieving how her friend and teammate died because she hurt
his "family" is feelings, Sam realises on the one-month 'anniversary' of Daniel's death that she actually ''was'' in love with him.
* ''Fanfic/HeroChat'': Chloe and Adrien grew up watching anime together, and she mostly pretended to flirt with him to drive off his obsessive fangirls. She also figured out he was Chat Noir in about two seconds because she's the
only complete when she joins his hug with Ned and MJ, the two practically adopting each other as siblings]].person close enough to him to be aware of [[SomethingOnlyTheyWouldSay how much he puns]].



* In ''Fanfic/TheConfectionaryChronicles'', after Hermione essentially becomes Loki's High Priestess before she even starts at Hogwarts, she swiftly forms such a strong bond with her god that the rest of Loki's children come to consider Hermione their little sister (even after they confirm that she isn't ''actually'' Loki's daughter)
* ''Fanfic/AQUATheFirstStep'': OriginalCharacter Alexander Wallace of the ''WebAnimation/{{RWBY}}'' fic becomes partners with Amber at Beacon Academy, and they eventually develop this relationship. Amber even remarks at one point that she's Alexander's sister "in all but blood."
* This is more or less stated to be the nature of the relationships between various characters in ''Fanfic/SkyholdAcademyYearbook''. It's perhaps most pronounced with [[VideoGame/DragonAgeInquisition Dorian]] and [[OriginalCharacter Evvy]], especially since she's the closest thing he's ever had to a sibling.
* One ''Series/GameOfThrones'' fake screencap has an entirely logical if unfortunately accurate take on the trope:
--> '''Cersei:''' You love him, don't you?\\
'''Brienne:''' Like a brother, Your Grace.\\
''[beat]''\\
'''[[BrotherSisterIncest Cersei:]]''' ''[[[VillainousBSOD Blue Screen Of Death]]]''
** One fanfic that plays the relationship between Jaime and Brienne as platonic has Jaime saying in his internal narration that Brienne is like a ''brother'' to him (he and his brother Tyrion do indeed have a close, brotherly, platonic relationship).

to:

* In ''Fanfic/TheConfectionaryChronicles'', after Hermione essentially becomes Loki's High Priestess before she even starts at Hogwarts, she swiftly forms such a strong bond with her god that ''Fanfic/HisDaughtersTheMiraclesOfTheFamily'', while the rest of Loki's children come the family begrudgingly pretend that nothing is wrong and leave the three sisters to consider Hermione their little sister (even after go without the support they confirm that need, Dolores (since she isn't ''actually'' Loki's daughter)
* ''Fanfic/AQUATheFirstStep'': OriginalCharacter Alexander Wallace of the ''WebAnimation/{{RWBY}}'' fic
is always hearing how they suffer) becomes partners with Amber at Beacon Academy, and they a shoulder to cry on for the three of them. This eventually leads to her become their honorary "fourth sister", her being the only person Casita allows to enter Isabela's room when the three of them are there.
* ''Fanfic/HoursVerse'':
** Akira and Futaba
develop this type of relationship. Amber even remarks at one point After they change the hearts of Kana's parents and Shinya's mother, Futaba calls Akira the big brother she didn't know she wanted and Akira teases her that she's Alexander's sister "in all but blood."
* This is more or less stated to be
"[[GenkiGirl the nature of excitable little sister]] [[DiscussedTrope trope]]".
** On
the relationships between various characters in ''Fanfic/SkyholdAcademyYearbook''. It's perhaps most pronounced with [[VideoGame/DragonAgeInquisition Dorian]] Other Side, Makoto and [[OriginalCharacter Evvy]], especially since she's the closest thing he's ever had to a sibling.
* One ''Series/GameOfThrones'' fake screencap has an entirely logical if unfortunately accurate take on the trope:
--> '''Cersei:''' You love him, don't you?\\
'''Brienne:''' Like a brother, Your Grace.\\
''[beat]''\\
'''[[BrotherSisterIncest Cersei:]]''' ''[[[VillainousBSOD Blue Screen Of Death]]]''
** One fanfic that plays the relationship between Jaime and Brienne as platonic has Jaime saying in his internal narration that Brienne is like a ''brother'' to him (he and his brother Tyrion do indeed
Kotone have a close, brotherly, platonic relationship).sibling-like relationship. Fitting, considering they're reincarnations of siblings.



* ''Fanfic/WhiteSheepRWBY'': Salem took in Cinder Fall so she could be a babysitter for her son Jaune (her only other option was [[AxeCrazy Tyrian]]). Jaune ends up seeing Cinder as [[MassiveNumberedSiblings yet another older sister]], which Salem finds annoying [[IWantGrandkids because she thinks their babies would be adorable]].
-->'''Salem:''' I thought all boys lusted after their babysitters?\\
'''Cinder:''' Wait, was ''that'' why you took me in?!
* In ''Fanfic/SecondBiteOfTheCherry'', when Lan Qiren explains to his eldest nephew that Wei Ying might become his wife, Lan Xichen admits he cannot see her as anything other but his sister -- or rather, sister-in-law.
** The Lan elders are aware of this trope, and advice Lan Qiren to not let Wei Ying interact too much with the Twin Jades as they grow up in order for her to remain suitable as a potential wife.
* Although it's never stated explicitly, Obi-Wan in ''Fanfic/StarWarsLineage'' essentially sees Bant as his little sister, a sentiment she returns. They snark at each other, she bosses him around, and he displays quite a bit of BigBrotherInstinct, but it's always clear that a) they love each other, and b) there's absolutely no ShipTease between them.
* ''Fanfic/ThisBites'' develops this relationship between [[SelfInsert Jeremiah Cross]] and [[Manga/OnePiece Nico Robin]], with Cross working to make Robin open up to the Straw Hats earlier than canon to prevent her from surrendering herself to Cipher Pol in a futile attempt to protect them. Of course, their relationship usually ranges from teasing to confining with each other, with both referring to each other as "little brother and older sister" by the end of Enies Lobby.
* In ''Fanfic/SonOfTheSannin'', Naruto admits to viewing Fu as a sister while training to tame their tailed beasts due to their shared status as jinchuriki and the past several months they've spent together. Fu is overjoyed at this admission because she's always wanted a little brother...[[BigBrotherBully to torment]].
-->'''Fu:''' ''[while giving him a noogie]'' Feel my sisterly love!
* In ''WesternAnimation/MiraculousLadybug'' fanfics, this is common when Chloe [[HeelFaceTurn has been]] or [[TookALevelInKindness is going to be redeemed]]. She was Adrien's OnlyFriend growing up, so they ended up close despite Chloe's...[[AlphaBitch problems]].
** ''Fanfic/HeroChat'': They grew up watching anime together, and she mostly pretended to flirt with him to drive off his obsessive fangirls. She also figured out he was Chat Noir in about two seconds because she's the only person close enough to him to be aware of [[SomethingOnlyTheyWouldSay how much he puns]].
** ''Fanfic/LadyLuckMiraculousLadybug'': Since Chloe has the Ladybug Miraculous in this AU, the relationship between the partners is entirely different. Chloe even [[ShipperOnDeck openly ships Adrien with Marinette]], and gags when someone suggests she's dating him. The Copycat event still goes mostly the same, with Chat Noir saying something to Théo Barbot to give him the impression that they're dating. We don't see what Chat actually said, but he's embarrassed after and admits he can understand how what he said could be misconstrued. On the other hand, Lady Luck solved the problem even more easily than in canon because it was blatantly obvious that the Chat who was acting lovestruck was not her partner.
** ''Webcomic/BakeryEnemies'': Chloe and Adrien ''seem'' like a one-sided SickeninglySweethearts situation, and Marinette assumes they're dating. Adrien later explains that she's been his only friend for most of his life (and she was the only one who stuck with him when his father was outed as a supervillain) but she's secretly a lesbian.
** ''[[https://archiveofourown.org/works/11799405/chapters/26614683 Queenie]]'': Chat Noir and Queen Bee realize their secret identities early on, and from then on don't do much to hide the fact that they know, constantly exchanging childhood stories and commiserating each other over their various {{Trauma Button}}s. In fact, they're so close that Ladybug comes to the mistaken conclusion that they must be twins. When she mentions this to Queen Bee, Queen Bee realizes they've been too cavalier with their identities and says SureLetsGoWithThat rather than correcting her.
** ''Fanfic/CrimsonAndNoire'': Chloe and Adrien's relationship seems to be a mix of this and ChildhoodFriends, with a few quirks in their past like exchanging a pinecone and acorn on their birthdays. During the events of Horrification, she tries to take the lead role from Mylene until she finds out that Adrien will be playing the male lead, at which point she backs out since Nino added a kiss scene in the script. And when Kagami asks if Chloe is Adrien's girlfriend when they first meet, Chloe [[ScreamingAtSquick shrieks with horror]] at the thought.
** ''Fanfic/MiraculousTalesOfScarletBeetleAndIkatiBlack'': Marinette has this dynamic with her ChildhoodFriends Nino, Kim, and Max.
** The WhatIf fic ''[[https://archiveofourown.org/works/48258568 compliment the ending (oh valentina)]]'' has [[AdaptationalRelationshipOverhaul Gabriel and Emilie's relationship going from a romantic couple to siblings in all-to-blood]], thanks to Emilie meeting Gabriel when she is recommended one of his designs rather than during a lycee party where they kiss during the normal timeline. Their own dynamic is a mix of siblings and permanent client-and-designer, and Emilie would even [[TheMatchmaker help get Gabriel together with fellow investigator Nathalie when they were searching for the Miraculouses]].

to:

* ''Fanfic/WhiteSheepRWBY'': Salem took The ''Series/{{Supernatural}}'' fic "[[https://www.fanfiction.net/s/8835418/1/If-I-Knew-Then-What-I-Know-Now If I Knew Then What I Know Now]]" features Dean Winchester undergoing MentalTimeTravel back in Cinder Fall so she could be a babysitter for her son Jaune (her only other option was [[AxeCrazy Tyrian]]). Jaune ends up seeing Cinder time to save his mother's life, accompanied by Castiel. As the Winchesters go hunting using Dean's future knowledge, Castiel is introduced to others as [[MassiveNumberedSiblings yet another older sister]], which Salem finds annoying [[IWantGrandkids because she thinks their babies would be adorable]].
-->'''Salem:''' I thought
Mary's brother to justify him associating with them.
* ''Fanfic/KimberlyTsGargoyles'' series
all boys lusted after their babysitters?\\
'''Cinder:''' Wait, was ''that'' why you took me in?!
* In ''Fanfic/SecondBiteOfTheCherry'', when Lan Qiren explains to his eldest nephew that Wei Ying might become his wife, Lan Xichen admits he cannot see her as anything other
but his sister -- or rather, sister-in-law.
** The Lan elders are aware of
explicitly features this trope, and advice Lan Qiren to not let Wei Ying interact too much with the Twin Jades as they grow up in order for her to remain suitable as a potential wife.
* Although it's never stated explicitly, Obi-Wan in ''Fanfic/StarWarsLineage'' essentially sees Bant as his little sister, a sentiment she returns. They snark at each other, she bosses him around, and he displays quite a bit
kind of BigBrotherInstinct, but it's always clear that a) they love each other, and b) there's absolutely no ShipTease dynamic being established between them.
* ''Fanfic/ThisBites'' develops this relationship between [[SelfInsert Jeremiah Cross]]
Alexander Xanatos, the infant son of David and [[Manga/OnePiece Nico Robin]], Fox Xanatos, and Bethany Marsden, the daughter of the Xanatos's new nanny Anne. Anne and Bethany are introduced in ''[[https://www.fanfiction.net/s/383012/1/Unsolved-Mysteries Unsolved Mysteries]]'', which immediately establishes that Bethany is a part-fey like Alexander with Cross working exceptional magical potential, prompting Owen/Puck to make Robin open up to suggest that Anne be hired as the Straw Hats earlier than canon to prevent her from surrendering herself to Cipher Pol family nanny so that he can teach Bethany while giving Alexander his lessons in a futile attempt to protect them. Of course, magic. During their relationship usually ranges from teasing to confining with each other, with both referring to each other as "little brother first meeting, Bethany outright asks her mother if Alexander will be her little brother, and older sister" by the end of Enies Lobby.
* In ''Fanfic/SonOfTheSannin'', Naruto admits to viewing Fu as a sister
while training to tame their tailed beasts due to their shared status as jinchuriki and the past several months they've spent together. Fu Anne establishes that he is overjoyed at this admission because she's always wanted only ''like'' a little brother...[[BigBrotherBully to torment]].
-->'''Fu:''' ''[while giving him a noogie]'' Feel my sisterly love!
* In ''WesternAnimation/MiraculousLadybug'' fanfics, this
brother, there is common never any sign that everyone else does not basically consider the children siblings, with Lexington observing that Alex needed 'rookery siblings' when Chloe [[HeelFaceTurn has been]] or [[TookALevelInKindness is going to be redeemed]]. She was Adrien's OnlyFriend growing up, so they ended up close despite Chloe's...[[AlphaBitch problems]].
** ''Fanfic/HeroChat'': They grew up watching anime together, and she mostly pretended to flirt with him to drive off his obsessive fangirls. She also figured out he was Chat Noir in about two seconds because she's
the only person close enough to him to be aware of [[SomethingOnlyTheyWouldSay how much he puns]].
**
gargoyles first learn that the Marsdens are moving in.
*
''Fanfic/LadyLuckMiraculousLadybug'': Since Chloe has the Ladybug Miraculous in this AU, the relationship between the partners is entirely different. Chloe even [[ShipperOnDeck openly ships Adrien with Marinette]], and gags when someone suggests she's dating him. The Copycat event still goes mostly the same, with Chat Noir saying something to Théo Barbot to give him the impression that they're dating. We don't see what Chat actually said, but he's embarrassed after and admits he can understand how what he said could be misconstrued. On the other hand, Lady Luck solved the problem even more easily than in canon because it was blatantly obvious that the Chat who was acting lovestruck was not her partner.
** ''Webcomic/BakeryEnemies'': Chloe and Adrien ''seem'' like a one-sided SickeninglySweethearts situation, and Marinette assumes they're dating. Adrien later explains that she's been his only friend for most of his life (and she was the only one who stuck with him when his father was outed as a supervillain) but she's secretly a lesbian.
** ''[[https://archiveofourown.org/works/11799405/chapters/26614683 Queenie]]'': Chat Noir and Queen Bee realize their secret identities early on, and from then on don't do much to hide the fact that they know, constantly exchanging childhood stories and commiserating each other over their various {{Trauma Button}}s. In fact, they're so close that Ladybug comes to the mistaken conclusion that they must be twins. When she mentions this to Queen Bee, Queen Bee realizes they've been too cavalier with their identities and says SureLetsGoWithThat rather than correcting her.
** ''Fanfic/CrimsonAndNoire'': Chloe and Adrien's relationship seems to be a mix of this and ChildhoodFriends, with a few quirks in their past like exchanging a pinecone and acorn on their birthdays. During the events of Horrification, she tries to take the lead role from Mylene until she finds out that Adrien will be playing the male lead, at which point she backs out since Nino added a kiss scene in the script. And when Kagami asks if Chloe is Adrien's girlfriend when they first meet, Chloe [[ScreamingAtSquick shrieks with horror]] at the thought.
** ''Fanfic/MiraculousTalesOfScarletBeetleAndIkatiBlack'': Marinette has this dynamic with her ChildhoodFriends Nino, Kim, and Max.
** The WhatIf fic ''[[https://archiveofourown.org/works/48258568 compliment the ending (oh valentina)]]'' has [[AdaptationalRelationshipOverhaul Gabriel and Emilie's relationship going from a romantic couple to siblings in all-to-blood]], thanks to Emilie meeting Gabriel when she is recommended one of his designs rather than during a lycee party where they kiss during the normal timeline. Their own dynamic is a mix of siblings and permanent client-and-designer, and Emilie would even [[TheMatchmaker help get Gabriel together with fellow investigator Nathalie when they were searching for the Miraculouses]].
partner.



* ''Webcomic/ReunionFalls'':
** [[https://64.media.tumblr.com/2121f397e0ec297f357aaea56024a09e/tumblr_inline_noy3goltWP1qh3qa0_500.png Various]] [[https://64.media.tumblr.com/616e711b1aaa4ca73bce2f9c230d2b48/tumblr_o4pq4fO43d1qi8kzfo1_1280.png pictures]] imply that a young Soos helped raised Dipper as a surrogate big brother.
** While canon Wendy was a friend to Dipper and Mabel, here she acts as a "[[https://64.media.tumblr.com/88599d0c40a05b4efc134b9c5c40bdde/tumblr_o4pq4fO43d1qi8kzfo2_1280.png cool older sister]]" to Dipper.

to:

* ''Webcomic/ReunionFalls'':
** [[https://64.media.tumblr.com/2121f397e0ec297f357aaea56024a09e/tumblr_inline_noy3goltWP1qh3qa0_500.png Various]] [[https://64.media.tumblr.com/616e711b1aaa4ca73bce2f9c230d2b48/tumblr_o4pq4fO43d1qi8kzfo1_1280.png pictures]] imply
In ''Series/The100'' fic ''Fanfic/LightningOnlyStrikesOnce'', Clarke explicitly refers to Wells as the closest thing she's ever had to a brother. For his part, while Wells was initially hurt when he realised that a young Soos helped raised Dipper as a surrogate big brother.
** While canon Wendy
Clarke was a friend to Dipper now involved with Lexa, he later assures Lexa that he's happy for them as he now retains his existing bond with Clarke rather than risk losing it by trying for something more and Mabel, here she acts failing.
* In ''Fanfic/MyLittleCastlevania'', this describes Shatterstorm and Spitfire's relationship. And given Shatterstorm's [[HeManWomanHater usual feelings towards mares]], it's rather refreshing.
* ''Fanfic/MiraculousTalesOfScarletBeetleAndIkatiBlack'': Marinette has this dynamic with her ChildhoodFriends Nino, Kim, and Max.
* In the pro wrestling AU ''[[https://www.fanfiction.net/s/11368588/1/Mountain-Murders Mountain Murders]]'' trilogy of stories, small-town police officers Wrestling/SethRollins and Trina Copley are frequently described
as being like this.
* ''Webcomic/NaruHinaChronicles'': At one point, Miho tells Arekusu that Lee is kinda like
a "[[https://64.media.tumblr.com/88599d0c40a05b4efc134b9c5c40bdde/tumblr_o4pq4fO43d1qi8kzfo2_1280.png cool little brother to her. She says this after realizing that Arekusu mistook her for Lee's girlfriend.
* In ''Fanfic/TheOtherSideMemoriaeterna'', after the other half of the universe survived Thanos's Snap, Peter Parker becomes Tony Stark's primary surviving heir and makes it a priority to gather resources to find a way to undo the Snap. After a year of work, Peter Quill and Wanda Maximoff have each developed a low-key 'competition' with each other over their self-appointed status as Peter Parker's
older sister]]" to Dipper.siblings, and a later group chat affirms that Yelena Belova has a similar view as her name in the chat is "Sister Widow" (Doctor Strange, Jane Foster and Hope van Dyne are also in the chat, but they are listed as Uncle Wizard, Aunt Prof and Aunt Wasp respectively).



* In ''Fanfic/ASupeOfAMan'', Clark Kent's closest superhero friend is Annie January, AKA Starlight. While her mother has occasionally 'hinted' that Clark and Annie should date, the two are content as friends, feeling that dating would just make them tabloid fodder at best.
* In ''Fanfic/HisDaughtersTheMiraclesOfTheFamily'', while the rest of the family begrudgingly pretend that nothing is wrong and leave the three sisters to go without the support they need, Dolores (since she is always hearing how they suffer) becomes a shoulder to cry on for the three of them. This eventually leads to her become their honorary "fourth sister", her being the only person Casita allows to enter Isabela's room when the three of them are there.

to:

* In ''Fanfic/ASupeOfAMan'', Clark Kent's closest superhero friend is Annie January, AKA Starlight. While her mother has occasionally 'hinted' that Clark ''Fanfic/PoniesOneHalf'':
** Ranma
and Annie should date, the two Pinkie Pie have this kind of relationship.
** Emi and Shou as well. They
are content as friends, feeling that dating would just make them tabloid fodder at best.
* In ''Fanfic/HisDaughtersTheMiraclesOfTheFamily'', while the rest
both {{otaku}}, have many of the family begrudgingly pretend that nothing is wrong same interests, and leave the three sisters to go are rarely seen without the support other. Despite that, they need, Dolores (since she is always hearing how have no romantic interest in each other, with Shou actually being more interested in Momo, Pinkie's [[BuxomBeautyStandard buxom human form]].
* ''[[https://archiveofourown.org/works/11799405/chapters/26614683 Queenie]]'': Chat Noir and Queen Bee realize their secret identities early on, and from then on don't do much to hide the fact that
they suffer) becomes a shoulder know, constantly exchanging childhood stories and commiserating each other over their various {{Trauma Button}}s. In fact, they're so close that Ladybug comes to cry on the mistaken conclusion that they must be twins. When she mentions this to Queen Bee, Queen Bee realizes they've been too cavalier with their identities and says SureLetsGoWithThat rather than correcting her.
* ''Webcomic/ReunionFalls'':
** [[https://64.media.tumblr.com/2121f397e0ec297f357aaea56024a09e/tumblr_inline_noy3goltWP1qh3qa0_500.png Various]] [[https://64.media.tumblr.com/616e711b1aaa4ca73bce2f9c230d2b48/tumblr_o4pq4fO43d1qi8kzfo1_1280.png pictures]] imply that a young Soos helped raised Dipper as a surrogate big brother.
** While canon Wendy was a friend to Dipper and Mabel, here she acts as a "[[https://64.media.tumblr.com/88599d0c40a05b4efc134b9c5c40bdde/tumblr_o4pq4fO43d1qi8kzfo2_1280.png cool older sister]]" to Dipper.
* In the ''WesternAnimation/DannyPhantom[=/=]Film/{{Beetlejuice}}'' CrossOver ''Fanfic/SayItThrice'', this may be the best way to describe the relationship between Betelgeuse and Lydia. They've grown, in the two years since the events of the film, into devoted friends who clearly love each other, but there's nothing romantic about it. The last chapter even has Jazz calling Betelgeuse Lydia's "crazy big brother who'd do anything
for the three of them. This eventually leads [her]."
* In ''Fanfic/SecondBiteOfTheCherry'', when Lan Qiren explains
to her his eldest nephew that Wei Ying might become their honorary "fourth sister", his wife, Lan Xichen admits he cannot see her being as anything other but his sister -- or rather, sister-in-law.
** The Lan elders are aware of this trope, and advice Lan Qiren to not let Wei Ying interact too much with
the only person Casita allows Twin Jades as they grow up in order for her to enter Isabela's room remain suitable as a potential wife.
* When Mirabel was a baby, Isabela in ''Fanfic/TheSeerAndHisButterfly'' played the part of big sister to the girl, playing with her and caring for her
when Bruno couldn't. This changed after Mirabel's gift ceremony, the three added pressure Alma put her under to compensate for Mirabel's lack of them are there.gift souring Isabel's opinion of her.



* When Mirabel was a baby, Isabela in ''Fanfic/TheSeerAndHisButterfly'' played the part of big sister to the girl, playing with her and caring for her when Bruno couldn't. This changed after Mirabel's gift ceremony, the added pressure Alma put her under to compensate for Mirabel's lack of gift souring Isabel's opinion of her.
* In ''Fanfic/TheGreatDualSubstituteTurnabout'', Canonverse Phoenix Wright had this dynamic with Maya Fey. When he's in a world where he is a prosecutor, he finds himself jealous of how Miles Edgeworth (who in that world is Maya and Mia's stepbrother) is close to Maya.
* In the ''Anime/CodeGeass'' fic ''Fanfic/AColdCalculus'', [[spoiler:Empress]] Euphiemia wants to invoke this between her future children, Milly's, and Kallen's. This isn't just out of her friendship with both girls but also for [[PragmaticHero pragmatic reasons]]. [[spoiler:As Euphemia is now the empress of Britannia and the now-duchesses Milly and Kallen are her designated heirs, she wants to have their children interact in their childhood and have a sibling-like relationship to prevent future marriages and avoid their family lines blending together]].



* This is more or less stated to be the nature of the relationships between various characters in ''Fanfic/SkyholdAcademyYearbook''. It's perhaps most pronounced with [[VideoGame/DragonAgeInquisition Dorian]] and [[OriginalCharacter Evvy]], especially since she's the closest thing he's ever had to a sibling.
* In ''Fanfic/SonOfTheSannin'', Naruto admits to viewing Fu as a sister while training to tame their tailed beasts due to their shared status as jinchuriki and the past several months they've spent together. Fu is overjoyed at this admission because she's always wanted a little brother...[[BigBrotherBully to torment]].
-->'''Fu:''' ''[while giving him a noogie]'' Feel my sisterly love!
* OriginalCharacter Ty and [[TheAce Pyrrha Nikos]] in ''[[https://www.fanfiction.net/s/11830443/1/So-We-re-A-Couple So We're A Couple]]'', to the point that Ty repeatedly greets and refers to Pyrrha as [[AffectionateNickname "Sis"]]. [[SubvertedTrope Though Pyrrha states that Ty is a "cousin from her mother's side",]] it's apparent right from the category tags of the fic that [[KissingCousins that particular situation]] [[DefiedTrope won't be an issue]]. [[ShipToShipCombat Considering the]] usual... [[CrackPairing flavor]] of OC pairings in ''RWBY'', it's an interesting and welcome change of pace.
* Ororo and Scott become this in ''[[http://archiveofourown.org/series/82162 Stars from Home]]''. Initially, Ororo is still quite young, but as she grows up this becomes MistakenForRomance -- although they both insist it's platonic and [[ComingOutStory he's really not her type.]]
* Although it's never stated explicitly, Obi-Wan in ''Fanfic/StarWarsLineage'' essentially sees Bant as his little sister, a sentiment she returns. They snark at each other, she bosses him around, and he displays quite a bit of BigBrotherInstinct, but it's always clear that a) they love each other, and b) there's absolutely no ShipTease between them.
* In ''Fanfic/AStudyInRegret'', [[TheHero Inspector Lestrade]] and [[ActionGirl Mary Watson]] develop this relationship in the story's RescueArc.
* In the [[http://www.fanfiction.net/s/6915218/1/Subroutine ''Subroutine'']] FanVerse (Film/TronLegacy / VideoGame/TronTwoPointOh PatchworkFic), Jet and Quorra fall into this pattern.
* In ''Fanfic/ASupeOfAMan'', Clark Kent's closest superhero friend is Annie January, AKA Starlight. While her mother has occasionally 'hinted' that Clark and Annie should date, the two are content as friends, feeling that dating would just make them tabloid fodder at best.
* In ''Titans and the Lost Boy'', Starfire apparently decides that Ryouga is similar to a Tamaranian. This leads to her growing closer to him, which eventually leads to this kind of relationship. Said relationship persists throughout the sequel, ''Fanfic/DarkTitans'', and the sequel/crossover with ''Fanfic/TheRoadToCydonia'', [[MegaCrossover ''Reflections Lost on a Dark Road''.]]
* ''Fanfic/ToHellAndBackArrowverse'': After spending a decade together either trapped on Lian Yu or training with the League of Assassins, Oliver, Barry, and Kara are not interested in each other romantically, to the point that even the thought of it sickens all of them.
* ''Fanfic/TotalDramaLegends'': Throughout the story, Duncan and Zoey grow a strong bond, playfully teasing each other, and frequently helping the other out during their relationship issues. At one point, Duncan explicitly admits that he views Zoey more as an annoying little sister when the idea of the two dating comes up.
* [[VideoGame/DragonAgeInquisition The Heralds of Andraste]] describe themselves this way in the ''Fanfic/TwiceUponAnAge'' series, with Mahanon noting that Victoria is the closest thing he's ever had to a sibling. She actually has three older siblings of her own; it's just heavily implied that she likes him better. She has a similar, if less intense, bond with Dorian as well.



* ''Webcomic/NaruHinaChronicles'': At one point, Miho tells Arekusu that Lee is kinda like a little brother to her. She says this after realizing that Arekusu mistook her for Lee's girlfriend.
* In ''Fanfic/ForceOfSouls'', this is the relation between Rukia and Renji, [[AdaptationRelationshipOverhaul as opposed to canon]], [[WhatIf attributed to Renji being adopted into a Kuchiki branch house after Rukia joined the main family.]]
* The ''Literature/BofuriIDontWantToGetHurtSoIllMaxOutMyDefense'' fic ''[[https://archiveofourown.org/works/48752269/chapters/129661300 Defense and Valentines]]'' has Kuromu telling his chat-room friends that his and Iz's dynamic is this, much to the disappointment of a ShipperOnDeck of the pair in the chat. He even points out that the ''NewWorld Online'' evaluates their dynamic as siblings. He also has a similar BigBrotherMentor role to the rest of the Maple Tree Guild.
* In ''Fanfic/ChaosEffect'' Tea Gardner informs Edwin that he has become like her brother, with him quick to call her his sister.
** Edwin also treats his alternate dimensional self Edna as 'the sister (he) never had'.

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* ''Webcomic/NaruHinaChronicles'': At one point, Miho tells Arekusu that Lee is kinda like a little brother to her. She says this In the ''Film/{{Underworld|2003}}'' AU fic ''[[https://www.fanfiction.net/s/10323818/1/The-Vampire-Leader The Vampire Leader]]'', after realizing Lucian's death during his attempt to escape the vampire fortress, his vampire lover Sonja and lycan protégé Raze become the leaders of the lycan rebellion, with Raze serving as its public face while Sonja provides her tactical expertise. While they work together for centuries, Sonja and Raze never consider taking the relationship further, at least partly out of respect for Lucian's memory, but they are each aware that Arekusu mistook her for Lee's girlfriend.
* In ''Fanfic/ForceOfSouls'', this is
they can trust the relation between Rukia and Renji, [[AdaptationRelationshipOverhaul as opposed to canon]], [[WhatIf attributed to Renji being adopted into a Kuchiki branch house after Rukia joined the main family.]]
* The ''Literature/BofuriIDontWantToGetHurtSoIllMaxOutMyDefense'' fic ''[[https://archiveofourown.org/works/48752269/chapters/129661300 Defense and Valentines]]'' has Kuromu telling his chat-room friends that his and Iz's dynamic is this, much
other with their lives, to the disappointment of a ShipperOnDeck of the pair in the chat. He even points out extent that Sonja had planned to make Raze the ''NewWorld Online'' evaluates their dynamic as siblings. He also has a similar BigBrotherMentor role to the rest of the Maple Tree Guild.
* In ''Fanfic/ChaosEffect'' Tea Gardner informs Edwin that he has become like
hybrid before circumstances prompted her brother, with him quick to call transform herself to face her his sister.father.
** Edwin also treats * In "[[https://archiveofourown.org/works/37160386/ What If... Wanda Didn't Mourn Alone?]]", after Peter provides Wanda with emotional support during and after the Westview crisis, [[spoiler:once Wanda regains her memory of Peter post-''Film/SpiderManNoWayHome'', even as she puts him back in touch with the rest of the Avengers, Peter states that his alternate dimensional self Edna "family" is only complete when she joins his hug with Ned and MJ, the two practically adopting each other as 'the sister (he) never had'.siblings]].
* ''Fanfic/WhiteSheepRWBY'': Salem took in Cinder Fall so she could be a babysitter for her son Jaune (her only other option was [[AxeCrazy Tyrian]]). Jaune ends up seeing Cinder as [[MassiveNumberedSiblings yet another older sister]], which Salem finds annoying [[IWantGrandkids because she thinks their babies would be adorable]].
-->'''Salem:''' I thought all boys lusted after their babysitters?\\
'''Cinder:''' Wait, was ''that'' why you took me in?!
* In ''Fanfic/ZToA'', events lead to Wanda Maximoff and Peter Parker from some point post-''Film/AvengersEndgame'' travelling back to the Battle of Leipzig Airport (''Film/CaptainAmericaCivilWar''), allowing them to change the future. Watching the two interact, characters such as Bruce Banner compare their dynamic to bantering siblings, with Wanda explicitly musing at one point that Peter reminds her of her lost brother Pietro.
* One ''Series/GameOfThrones'' fake screencap has an entirely logical if unfortunately accurate take on the trope:
--> '''Cersei:''' You love him, don't you?\\
'''Brienne:''' Like a brother, Your Grace.\\
''[beat]''\\
'''[[BrotherSisterIncest Cersei]]:''' ''[[[VillainousBSOD Blue Screen Of Death]]]''
%% [what fic?] ** One fanfic that plays the relationship between Jaime and Brienne as platonic has Jaime saying in his internal narration that Brienne is like a ''brother'' to him (he and his brother Tyrion do indeed have a close, brotherly, platonic relationship).

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* ComicBook/IronMan and ComicBook/BlackWidow appear to fall into this category, they do have some UnresolvedSexualTension but in the majority of comics they appear Tony and Natasha simply trade barbs with each other and relax on each other's company. It's especially noteworthy considering how many relationships they both respectively have had, that againist all odds they've never officially been a couple in the mainline comics. Widow is even one of the few people who's called him "Anthony" and gotten away with it.



* Dwight and Miho from ''ComicBook/SinCity'' have this relationship.

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* Dwight and Miho from ''ComicBook/SinCity'' have this relationship. Keep in mind Miho DoesNotLikeMen so seeing her display care and even affection for Dwight -- including a SleepCute is quite heartwarming.
* ''ComicBook/SpiderMan'': Peter's relationship with Betty Brant though she was his FirstLove (and they've had some flings now and then), is most [[https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTtEKV9tZ7PGQbrS_MawDrOPdkzevitk35jNUsfTBW1TjlgeNyUdHZdxqU2&s=10 certainly this]] and has remained this way for multiple decades. She's probably one of the very women other than Aunt May that Peter genuinely relaxes around whilst his relationships with MJ and Black Cat are by comparison more passionate, more painful and more complicated.


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** For that matter, since the third act of ''Film/IronMan2'' Natasha's relationship with Tony has been this, [[https://m.youtube.com/watch?v=9VwnEuFWwgo&t=58s with them playfully bickering and teasing each other to no end]]. Sadly for Tony though Nat's friendship and loyalty with the aforementioned Steve ultimately wins out leading to Nat (due to their shared experiences) to betray Tony's side at a crucial moment in ''Film/CaptainAmericaCivilWar'' at which Tony makes clear to Nat afterwards the trust and friendship between them is gone. They appear to least forgiven each other by the time of ''Film/AvengersEndgame'' with Natasha giving Tony a MeaningfulLook while he holds his daughter Morgan in his arms. [[spoiler:Though tragically Natasha dies and Tony soon joins her in the grave before any spoken resolution happens between them.]]

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* ''WesternAnimation/TheDragonPrince'': Despite hints of an initial attraction on his part, Soren and Rayla quickly settle into this in season four, obviously caring about each other, but also not afraid to tell each other off over stupid or thoughtless actions.

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* ''WesternAnimation/TheDragonPrince'': Despite hints of an initial attraction on his part, ''WesternAnimation/TheDragonPrince'':
**
Soren and Rayla quickly settle into this in season four, obviously caring about each other, but also not afraid to tell each other off over stupid or thoughtless actions.actions.
** Played with Rayla and Callum. During the first two seasons they seemed to have this type of relationship, but they became a couple in the third season, although Rayla dumped him before the fourth season, so it is ambiguous which route they will take.
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Simply being friends doesn't make a pair an example, nor does just being TrueCompanions. Because most childhood relationships are inherently platonic, friendships between children do not qualify unless they continue into adulthood and remain platonic. Contrast JustFriends for when this does actually blossom into romance. Not to be confused with UnluckyChildhoodFriend, in which one side does have feelings for the other. Compare with StupidSexyFriend. The trope may be averted if the relationship becomes a ChildhoodFriendRomance or (for actual siblings) subverted by BrotherSisterIncest. This trope is sometimes the result of the NoHuggingNoKissing rule.

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Simply being friends doesn't make a pair an example, nor does just being TrueCompanions. Because most childhood relationships are inherently platonic, friendships between children do not qualify unless they continue into adulthood and remain platonic. Contrast JustFriends for when this does actually blossom into romance. Not to be confused with UnluckyChildhoodFriend, in which one side does have feelings for the other. Compare with StupidSexyFriend. The trope may be averted if the relationship becomes a ChildhoodFriendRomance or ChildhoodFriendRomance, (for actual siblings) subverted by BrotherSisterIncest.BrotherSisterIncest, and (for step-siblings and foster siblings) also subverted with NotBloodSiblings. This trope is sometimes the result of the NoHuggingNoKissing rule.
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Katara barely tolerated Zuko, not even jokingly did she see him as a brother.


** This same play portrays the characters that actually are this trope, Katara and Zuko, as a couple ([[FanPreferredCouple though some fans would prefer this]]); their immediate reaction is to scoot further away from each other in embarrassment.
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Sometimes, two characters of the opposite sex are very close — so close that you might expect them to be dating. Except they're not. They admit that they matter a great deal to each other, that they would die for each other, that they can't imagine life without each other. They aren't just any pair of friends. They're as close as family. They're like brother and sister!

Often, other people don't believe this. They [[MistakenForRomance assume that the couple must be dating]] — or at least that they [[JustFriends secretly wish they were]]. When the couple say they are like brother and sister, they will point out the one tiny but debilitating flaw with their theory: They are ''not'' brother and sister.

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Sometimes, two characters of the opposite sex are very close -- so close that you might expect them to be dating. Except they're not. They admit that they matter a great deal to each other, that they would die for each other, that they can't imagine life without each other. They aren't just any pair of friends. They're as close as family. They're like brother and sister!

Often, other people don't believe this. They [[MistakenForRomance assume that the couple must be dating]] -- or at least that they [[JustFriends secretly wish they were]]. When the couple say they are like brother and sister, they will point out the one tiny but debilitating flaw with their theory: They they are ''not'' brother and sister.
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* ''Film/{{Scream}}'': Ever since [[Film/Scream1996 the very first film]], Dwight "Dewey" Riley and Sidney Prescott have proven to be insanely and intimately close without ever being romantically-involved. Specifically, this is with Sidney having been best friends with his sister Tatum and her and Dewey having constantly remained in touch over the years and always happy to see each other. Dewey was always ready to put himself on the line to protect Sidney no matter what while she also was very protective of him too.

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* Grog Strongjaw and Pike Trickfoot from ''WebVideo/CriticalRole'' were both raised together. He is a hulking goliath barbarian who likes to rage, and she is a more down-to-earth gnome cleric, but the sibling-like bond they share is one of the strongest in the Vox Machina party, second only to twins Vex and Vax.



* Grog Strongjaw and Pike Trickfoot from ''WebVideo/CriticalRole'' were both raised together. He is a hulking goliath barbarian who likes to rage, and she is a more down-to-earth gnome cleric, but the sibling-like bond they share is one of the strongest in the Vox Machina party, second only to twins Vex and Vax.
* Lulu and Lala from ''WebVideo/{{Kittisaurus}}'' grew up together, love to eat, and have a record of stealing treats as a team. They are also some of the more energetic cats among the bunch.

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* Lulu and Lala from ''WebVideo/CreamHeroes'' grew up together, love to eat, and have a record of stealing treats as a team. They are also some of the more energetic cats among the bunch.

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* Lulu and Lala from ''WebVideo/CreamHeroes'' ''WebVideo/{{Kittisaurus}}'' grew up together, love to eat, and have a record of stealing treats as a team. They are also some of the more energetic cats among the bunch.


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* Lulu and Lala from ''WebVideo/{{Kittisaurus}}'' grew up together, love to eat, and have a record of stealing treats as a team. They are also some of the more energetic cats among the bunch.

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