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* ''Literature/AiNoKusabi'':
** Guy, Riki's UnluckyChildhoodFriend. He is so in love with Riki that [[spoiler:not only does he give Riki a penectomy to remove the pet ring that was on his penis upon being told that as long as Riki wears Iason's pet ring he'll never be free of him, but he also blows up a fortress in a successful attempt to kill Iason]].
** Iason Mink himself [[DomesticAbuser is one of these]], and like Guy, he becomes extremely obsessed with Riki. It's not touched upon in the OVA, but the novel and audio drama have scenes where Riki slept with a female pet and he was subsequently brutally tortured by Iason. Plus all the times Iason forces Riki into having sex with him and blackmailing Riki into coming back by threatening to harm Guy.
* ''Literature/ChrysalisRinoZ'': Despite monsters having NoBiologicalSex and apparently nothing resembling romance or libido, Crinis has a strongly and violently possessive attitude toward Anthony. She lives for his praise (although it often leaves her overwhelmed with emotion), wreaks truly horrific violence upon anyone who disrespects or threatens him, and would happily spend her whole life wrapped around him like a second carapace (and sometimes she does). At the same time, she's friendly, polite, and shy in general conversation, and doesn't even mind sharing Anthony with his other pets -- for the purpose of helping to keep him safe. The fact that, as a pet, she's inseparably bound to him until one of them dies is [[HappinessInSlavery just fine with her]] -- in fact, it's probably the reason she still has any measure of mental stability at all.
* The ''Literature/ClassTeniDeOreDakeHaburaretara'' character Sayaka is NotBrainwashed; she serves the rapist VillainProtagonist entirely of her own will. He is rightly terrified of her, owing to an incident when ''she'' raped ''him''.
* ''Literature/ACourtOfThornsAndRoses'': It becomes more apparent that Tamlin is this after his time Under the Mountain. He becomes incredibly protective of Feyre, to the point of controlling her actions. It culminates in him ''locking her in their house'', which doesn't go well for her. When she runs away to the Night Court, he becomes hell-bent on "winning" her back, to the point he ignores the note she sent expressing that she was safe and happy. He also tends to become easily jealous of the time she spends with other men, to the point of telling her platonic ''friend'', Lucien, to back off.
* ''Literature/EndgameTrilogy'': An is obsessed with Chiyoko. He would do everything for her including murder and violence.
%% * [[spoiler:Queen Dido]] in ''Literature/TheAeneid'', making this trope OlderThanFeudalism.
* In Creator/AgathaChristie seems to be pretty fond of this trope for many of her female characters, mostly under the "deconstructing the ProperLady and examining it more or less realistically" category, which was ''especially'' appropriate for the time period she wrote her novels in, when women were expected to be devoted to ''only'' their loved ones and have no other life of their own.
** Vera from ''Literature/AndThenThereWereNone'' would have to be the most prominent example. She not only deconstructs the ProperLady; she ''stomps all over it and rips it completely to shreds''. Vera Elizabeth Claythorne looks like a sweet and pretty governess and teacher. In reality, [[spoiler: she killed her pupil Cyril by letting him drown in the sea, so his uncle Hugo who also was ''her'' lover could inherit the kid's estate. As the plot advances and all the people around her [[CharactersDroppingLikeFlies fall like flies, dying in ways similar to those depicted by the "Ten Little Indians" nursery rhyme]], Vera becomes more and more psychotic and crazy]].
** ''Literature/MurderInMesopotamia'' is notable for featuring an extreme [[spoiler:''male'' yandere who goes to the trouble of swapping identities with a dead man, sending threatening letters to his wife to drive other suitors away so he can re-woo and remarry her, and ultimately killing her rather than lose her to another man.]]
* Keira of ''Literature/AnOutcastInAnotherWorld'' has elements of this. As the story progresses, she both becomes more protective or her friends (and seems to be developing feelings for some of them) and grows more violent. This culminates in her threatening a prisoner of war with horrible torture if he hurts the people she cares about.
* In Kier Neustaedter's short story "And [[PunctuationShaker Sáavüld]] Danced..." the [[OurMermaidsAreDifferent title character]], put in a situation much like the ''Literature/{{Stardoc}}'' example below, goes to similar lengths (albeit by [[DealWithTheDevil making a deal]] with an EldritchAbomination rather than by way of technology) to get revenge. However, she's treated far more sympathetically—a sort of [[TragicHero tragic]] [[AntiVillain Anti]]-VillainProtagonist, as it were.
* Briony Tallis from ''Literature/{{Atonement}}''. She throws herself into a river to see if her crush will dive in to save her. She even falsely accuses him of raping her cousin after she catches him making love to her sister in the library, thinking he must be a sex maniac. It's strongly hinted that part of her motivation was jealousy that he was in love with her sister. Fortunately she's only thirteen and grows out of it somewhat, although by then it's too late.
* Ryu Murakami's ''Film/{{Audition}}''. You know that movie by Takashi Miike? [[AdaptationDisplacement This is the book the movie is based on.]] And you better believe Asami Yamasaki is just as fucked up in the book as in the movie.
* [[spoiler:Ktarka Zamlon Torin]], in S.L. Viehl's ''[[Literature/{{Stardoc}} Beyond Varallan]]'', goes to ''incredible'' lengths to revenge herself upon [[spoiler:[[LoveMakesYouEvil the family of the guy]] who [[IfICantHaveYou turned her down]], ''despite'' the fact that [[LoveAtFirstSight they'd only just met]] and he was [[ObliviousToLove unaware of her feelings for him]]]]. And in the meanwhile, [[spoiler:[[PsychoLesbian she hits on the heroine a few times]]]]. (Although, to be absolutely fair, [[FreudianExcuse her culture]] didn't help matters: The moment she proposed to the guy, she was bound to him for life; and the fact that he was ''marrying someone else'' didn't change that.)
* Potiphar's wife from Literature/TheBible takes a liking to Joseph and asks him to have sex with her, but he refuses her on the grounds of not wanting to offend {{God}} or his master. Undaunted, she corners him and tries to force him into the act, but when he runs away she frames him for trying to rape her and has him sent to jail.
* ''Literature/TheButcherBoy'': Francie's obsession with Joe as he begins to pull away. The obsessive desire to get their friendship back to what it used to be brings him to violence repeatedly, eventually causing him to [[spoiler: break into the Nugent's house and smear their walls with feces, attempt to murder Phillip for stealing Joe away from him, and break into Joe's new school so he can "break him out", though Joe has no desire to leave and is afraid and disgusted of Francie himself]].
* [[spoiler: Nately's Whore]] from Joseph Heller's ''Literature/CatchTwentyTwo'' becomes a yandere after [[spoiler: Nately's death]]. She attempts to murder [[spoiler: Yossarian]] multiple times and [[spoiler:will not give up]].
* Lydia towards Ethan in Peter Moore's ''Caught In The Act''.
* Jack Lambert in the ''Literature/ChaletSchool'' has shades of this towards Len Maynard, her dormitory prefect. Jack is obsessed with Len, follows her around, bombards her with questions and even tells Len to her face she'll emulate her. When she has to leave her dormitory so that new girl Jane Carew can have her bed in ''Jane and the Chalet School'', Jack does not take it well and initiates a bullying campaign against Jane, turning the entire form against her and even physically attacking her when she washes the teachers' car, even though Jane was ''asked'' to wash it. She does get better after Jane rescues her from a tree, but is still weirdly possessive of Len and gets herself and her friends lost in ''Triplets'' to spite Len, after Len goes on a walk without taking her.
* ''Literature/{{Christine}}'' is a 1958 Plymouth Fury with a terrifying mind of its own, and becomes obsessed with its latest owner, Arnie Cunningham, to the point of trying to kill anyone who would come between them.
* Elena from ''Literature/TheChroniclesOfThomasCovenant'' takes this trope to the next level by having a disturbing romantic obsession over her ''biological father''. Thanks to her, you will never look at the word 'beloved' the same way again.
* The Other Mother in Creator/NeilGaiman's ''Literature/{{Coraline}}'' is a maternal (not romantic) example. She just wants to love and nurture Coraline, ''or else''.
* In ''Literature/TheDarkDescentOfElizabethFrankenstein'', [[AdaptationalVillainy Victor]] is revealed to be this towards Elizabeth. He constantly tells her [[EntitledToHaveYou that she belongs to him,]] and he began his [[FrankensteinsMonster experiments]] after she almost died from an illness. Plus, he [[spoiler: [[MurderTheHypotenuse murders the hypotenuse]] ''twice'' by orchestrating Justine's death and [[EyeScream mutilating]] Henry and leaving him for dead.]] Obsession is almost an understatement.
* ''Literature/DeltoraQuest'': Kirsten seems like a sweet, meek girl bound in servitude to Bede, the Guardian of the Sister of the North, with love and a dark spell. Her sister, who also loves him, is mysteriously missing - it must all be Bede's fault, right? [[spoiler:''Wrong''. Kirsten is the ''true'' Guardian, a ClingyJealousGirl to the extreme who with dark magic enslaved Bede to be her cover. She also threatens him into following her orders by holding the fate of her trapped-in-a-locket-by-magic sister Mariette (who he truly loves) over his head]]. Aww, isn't that sad?
* ''Literature/DevilsAndThieves'' has Darek, who is obsessed with Jemmie, becoming enraged that she loves Crowe instead of him, and hurting both of them in the process of getting revenge, all while insisting he does, in fact, love Jemmie.
* In ''The Dummy'' by Diane Hoh, Jaye Bishop learns that [[spoiler: her supposed friend Caroline has been simultaneously cheating with Jaye's boyfriend Maguire and trying to kill Jaye. This isn't the first time Caroline has gone after someone else's boyfriend. In high school she murdered a classmate to get her boyfriend, then broke up with him because they started dating a month after Caroline committed the murder. Caroline figured he wasn't admirable boyfriend material if he was able to get over his dead ex so quickly]].
* In Greg Keyes' ''Franchise/TheElderScrolls'' novel, ''[[Literature/TheElderScrolls The Infernal City]]'', [[spoiler: Slyr is so in love with Toel she attempts to MurderTheHypotenuse, who happens to be the protagonist]]. Naturally, things don't go according to plan, but she fits the trope to a T.
* ''Literature/TheFirstDwarfKing'': Phryne is an utterly AxeCrazy [[FemmeFatale elven queen]] who could easily compete for the title of WorldsMostBeautifulWoman. And she has the hots for Jani...a dwarf...with whom the elves [[ElvesVsDwarves have a very long and very violent history]]. Not helping matters is the fact that Jani already has a girlfriend.
* ''Literature/{{GONE}}'': [[TheStarscream Penny]] to [[BigBad Caine]], even after he breaks both her legs. Subverted as of ''FEAR''...But he still has a obsession with Caine. [[spoiler: Only now the obsession isn't of loving him so much as torturing him]].
* ''Literature/HarryPotter'':
** Romilda Vane sends Harry Cauldron Cakes tainted with a LovePotion. They're then eaten by Ron, turning him into one over her.
** Helena Ravenclaw, the Ghost of Ravenclaw House, reveals she was also the victim of one, as she was killed by her StalkerWithACrush [[spoiler:the Bloody Baron]].
** [[AxCrazy Bellatrix Lestrange]] may qualify as this toward [[BigBad Voldemort]], since her fanatical devotion to him motivates her acts of evil. Somewhat of a subversion however, as she never demonstrates jealousy over him and would never hurt or betray him, although he is incapable of love and considers her no more than a useful tool, which makes her a villainous example of a LoveMartyr.
** And then there's [[WoobieDestroyerOfWorlds Merope Gaunt]], who actually succeeded in drugging the man she was {{Yandere}} for and eventually bearing his child -- who would later grow up to become Voldemort.
* ''Literature/HeartOfSteel'' offers us an example not in the legitimately insane MadScientist Alistair Mechanus, but in Julia's soon-to-be-ex-boyfriend Jim, who we learn set up a drug addict to attack her when he thought she was planning to break up with him. During the course of the novel, being bisected and then turned into a cyborg only end up driving him to try to kill Alistair and Julia both to keep Alistair from having her.
* ''Literature/TheHorseAndHisBoy'': Crown Prince Rabadash is willing to start a war with Archenland and Narnia without even the smallest excuse or challenge if it means he'll have Queen Susan the Gentle as his puppet-wife. He spectacularly fails.
* Claude Frollo in ''Literature/TheHunchbackOfNotreDame'' shows that males aren't immune, either. There's not much else you could call someone who lusts after someone to the point of stabbing her love interest out of jealousy and having her hanged on a false charge of attempted murder because she wouldn't give herself to him. And the Disney adaptation, if anything, makes him even WORSE.
* ''Literature/InCryptid'': Gwendolyn Brandt openly threatens to kill Thomas's "wife" Mary and make him a widower if that's what it takes to become his wife (little does she know that Mary is [[CuteGhostGirl already dead]]).
* ''Literature/InDeath'' series:
** ''Indulgence In Death'' has a guy who killed a girl he was interested in a drunken fit of rage because she was not interested in him.
** ''Visions In Death'' has a TwistEnding in which [[spoiler: the psychic who had been helping Eve solve the case only did it because she wanted to make her murder of Annalisa Sommers look like John Blue murdered her. She was trying to get her ex-boyfriend back, who had hooked up with Sommers. She claims that she did it for love, but Eve refutes that claim, saying that she did it for power and control, and that love is just an excuse]]!
* ''Creator/JinYong'': Ah Zi towards Xiao Feng has the cute, innocent, GenkiGirl looks... and the incredibly horrifying, sadistic personality. Guo Fu was also one towards Yang Guo. And then there's Zhou Zhiruo towards Zhang Wuji, among others.
* ''Literature/JohnCarterOfMars'': Phaidor in ''Gods Of Mars'' and ''Warlord Of Mars''. Obsessed with John Carter, her attempt to kill Dejah Thoris and Thuvia results in all three of them becoming trapped in a temple for a year.
* The French novel ''La passe-miroir'' gives us a rare ''filial'' example with the knight, who's actually a preteen boy able to call extremely powerful illusions and obsessed with the courtesan Berenilde, whom he considers his mother. He has no problem with giving her an accident to make her miscarry - because God forbid she love her baby more than the knight - and manages to kill her entire family because they were mean to her.
* In ''Literature/LesMiserables'', Eponine is in love with Marius, but he hardly knows she exists, and he falls in love with Cosette. Unable to cope with this, Eponine leaves threatening messages on Cosette's house, convincing her father to flee, and when Cosette tries to inform Marius of her new address, Eponine steals the letter. Once Marius is convinced that Cosette has abandoned him, Eponine tells him that his friends are waiting for him at the barricade, and he goes there fully believing he will die. Eponine hoped that they would both die at the barricade and would be TogetherInDeath, but she ends up taking a bullet for him, and dying in his arms. She still believes that he will die though, and it's only by some chance luck that Marius survives.
* In ''Literature/TheLostStars'', Colonel Roh Morgan is a highly loyal subordinate of general Drakon. As it turns out, her loyalty runs a little ''too'' deep - she's completely obsessed with him and wants him to [[spoiler:father her child, who she believes will conquer all of human space]], as well as to be the only voice he'd listen to. She starts off by simply sparking off conflicts to try and distance him from others, then [[spoiler:rapes him while he's drunk]] and eventually attempts to [[spoiler:assassinate his lover at their wedding]]. All while claiming she has his best interests in mind.
* Annie Wilkes in ''Literature/{{Misery}}'', who nurses her favorite author back to health after a nasty car wreck and keeps him a prisoner in her home, getting absolutely frightening when she learns that the main character of her favorite series has been killed off. She takes being a LoonyFan to truly frightening levels.
* Hester Shaw from Phillip Reeve's ''Literature/MortalEngines'' quartet. After she sees her boyfriend, Tom [[spoiler: kissing Freya Rasmussen]] she [[spoiler: betrays the city of Anchorage to Arkangel, just to get him back]]. She'd also do anything or kill anyone for him. Or to get him back.
* ''Literature/TheOdyssey'' has Calypso who, after offering her lover Odysseus a chance to stay with her on her island forever, tries to force him to stay on her island with her after he rejects her and tries to get back to his wife at Ithaca.
* ''Literature/Overlord2012'' had three notable examples:
** [[SuccubiAndIncubi Albedo]] became a very curious example of the archetype: she was initially designed by her creator to be quite a "flexible" woman (as befits of a member of the succubi race to which she was based on,) but Momonga decided to play a prank prior to YGGDRASIL's servers shutting down by rewriting the "slut" part on her profile to one who is "madly in love with Momonga." As a result, when everyone got transferred to the current world of the setting, she ended up becoming as a SuccubusInLove towards him, to the point that she was willing to fight and kill anyone who'd get in the way of her beloved, whether it be raging towards an enemy force for causing a noticeable (albeit harmless) scratch towards Ainz; or to personally disposing of the lech who, apart from leading the force who ambushed the Sorcerer Kingdom's supply convoy, got on her bad side for touching her bare shoulder. The flipside to this behavior of hers: she basically became an UnexpectedVirgin, especially since her object of lust and affection is [[DemBones a Skeleton]] [[OurLichesAreDifferent Elder Lich]] with EmotionSuppression.
** Rather downplayed with [[OurVampiresAreDifferent Shalltear Bloodfallen]]. She's one of the primary rivals to Albedo for the affection of Lord Ainz, but she's actually willing to entertain the thought of Polygamy (making her sitcom cat fights with Albedo more of who gets to be Ainz's TopWife.) [[spoiler:Apart from being a LesbianVampire, and all.]]
** The most surprising example however would be [[spoiler:Princess Renner Theiere Chardelon Ryle Vaiself of the Re-Estize Kingdom, [[LadyAndKnight in particular to her commoner retainer Climb]]. Explaining the extent of her obsession for her knightly retainer: she was willing to bear his child, despite knowing of its impossibility due to the kingdom's feudal system, thus agreeing to a ShamMarriage with Marquis Raevan's child in order to have him aboard with her plans; by her own internal monologue, she had already killed several maids in training from noble houses that were hostile to Climb, solely because of their back-handed comments towards his commoner heritage; she revealed to her brother Zanac that she had no problem sending Climb on a dangerous mission into the merchant district during a demonic invasion, because even in the worst case scenario Lakyus would've revived him, and Renner would have had an excuse to have the weakened Climb all to herself for months; and worst of all, she basically orchestrated the fall of her father's kingdom, by pledging her allegiance to Nazarick in secret, in order to gain immortality as a demon and spend the rest of her (now eternal) life with Climb.]] It came as no surprise that she'd eventually strike a brief OddFriendship with the abovementioned Albedo, particularly as to their interactions with their respective male love interests.
* Tinker Bell. Yes, the ''Literature/PeterPan'' one. She did ''not'' by any means like Wendy; she even tried to ''kill her''. All because Peter paid more attention to her than to Tink.
* ''Literature/ThePhantomOfTheOpera'' has Erik, the Phantom himself. It can be interpreted as a subversion though, as he truly loved Christine and in the end, set her free since he would rather see her happy in the end.
* The Lover in ''Literature/PorphyriasLover'' by Robert Browning... the poem can be interpreted in a number of different ways, but the main gist of it is that he kills her so that he can make the moment last forever, and the poem closes with him clutching her corpse. Eep.
* Antoinette de Mauban in ''Literature/ThePrisonerOfZenda''. She's in love with the King's brother Michael, who wants to usurp the throne. However, if Michael becomes King, he'll have to marry a princess, which Antoinette doesn't want. There's no reason she can't stay as his mistress, she's in that role already, except that she wants to marry Michael, not share him. So, she does what any good Yandere would do: [[spoiler:reveal Michael's plans to the one man who can stop them and tell him exactly how to break into the castle and free King Rudolf, all under the promise that Michael won't be killed. Even though Rassendyll promised this, there's no telling what Rudolf might do to his brother. So in short, she ruins Michael's dream of becoming King, taking the chance that he could be exiled or accidentally killed, all because she couldn't stand having another woman having him]].
* ''Literature/ReignOfTheSevenSpellblades'': {{Reconstructed}} with female lead Nanao Hibiya. She's been strongly attracted to male lead Oliver Horn [[LoveAtFirstPunch since they sparred in class in volume 1]], which is made all the more dangerous by [[InterplayOfSexAndViolence the way the urges towards love and violence intersect for her]]: the core tenet of the sword style she was trained in is to "Enjoy not the sword of vengeance, but the sword of mutual love."[[note]]More fully, do not wield the sword in anger but rather seek joy and happiness in a DuelToTheDeath with an opponent one respects and admires.[[/note]] Unlike the stereotypical yandere, she's self-aware about it and dislikes that part of herself enough that she normally keeps a lid on it, and doesn't react violently towards other suitors. However, in volume 9, [[spoiler:Oliver and Richard Andrews are able to connect finally in single combat while she's sidelined by injuries. This makes her irrationally jealous, and she finally boils over the next night and throws him against a tree for a ForcefulKiss, followed by a LoveConfession.]]
-->[[spoiler:"Oliver... Your fate lies with ''me''. ... If this fate comes not to fruition, so be it. If you go out and duel another, I will not mind. But I cannot abide the notion of being forgotten. The soul most drawn to your blade lies ''here''. That fact alone you must keep ever in the recess of your mind. There for all of time, no matter whose blade you face. ... My heart lies with you, Oliver. For every moment, sleeping or awake, from now until evermore."]]
* This is zig-zagged with Kurokochōhime, one of the protagonists of ''Literature/{{Rolitania}}''. Not only did she go back in time to save her husband, Samuel, she ''creates a whole country'', lures his family there with money, and ''actively stalks him'' using a system that was meant for capturing potential terrorists. However, when another girl claims Samuel as her own, Kuro goes insane and tries to kill herself. Later on however, she ''does'' murder some soldiers for threatening his safety.
* In William Faulkner's short story "Literature/ARoseForEmily", the eponymous Emily Grier fell in love with a man named Homer Barron. One day, he went in Emily's house and was never seen leaving. When Emily eventually passes away, her house is searched and it turns out she killed Homer with arsenic, dressed him in a suit, and kept the corpse on her bed.
* ''Literature/TheScarletLetter'' has a male example in [[NamesToRunAwayFromReallyFast Roger Chillingworth]], who's obsessed with hunting down and punishing the man who impregnated his wife.
* More than one culprit that Mr. ''Literature/SherlockHolmes'' and Dr. John Watson deal with turns out to be a yandere, and they're almost AlwaysMale. [[spoiler: Rodger Baskerville Jr. aka Jack Stapleton]] from ''The Hound of the Baskervilles'' is a good example: [[spoiler: he abuses his wife and forced accomplice Beryl like you wouldn't believe, but when he forces her to pose as his sister and become a HoneyTrap to attract Sir Henry, he goes CrazyJealousGuy when Henry courts Beryl directly]].
** Also, [[spoiler: Abe Slaney]] from ''The Adventure of the Dancing Men''. He will do ''anything'' to force his ex-girlfriend Elsie Cubbitt (née Patrick) to return to the USA with him, going from harassment and threats written in a secret code that only he and his victim can decipher at first (the mentioned "dancing men"), to [[spoiler: shooting her NiceGuy husband Hilton dead when he confronts him. He is nevertheless [[MyGodWhatHaveIDone in despair]] when he realises this act led her to attempt suicide, and confesses to avoid getting her falsely charged for murder]].
** [[spoiler: Jefferson Hope]] from ''A Study in Scarlet'' manages not only to be an AntiVillain version of the trope [[spoiler: (Enoch Drebber forces Hope's girlfriend Lucy to marry him and drove her to a DeathByDespair, and Joseph Stangerson was a JerkAss who aided him by killing Lucy's dad)]], but also a MagnificentBastard since he [[spoiler: dies peacefully right after being caught, not even being tried]].
* Caelan, from the ''Literature/SkulduggeryPleasant'' series, is shaping up to be quite the StalkerWithACrush, and is starting to show signs of graduating to full blown {{Yandere}}.
** [[spoiler: Oh he went there. [[TakeThat Spectacularly]]. [[KilledOffForReal But not for long]]]].
* ''Literature/ASongOfIceAndFire'':
** Lysa Arryn can only see wonderful things about Petyr Baelish, going back to roughly when he was ''ten'' and she only about a year older. [[spoiler: Littlefinger uses this long-standing [[MadLove affection]] to convince her to murder her husband Jon and, incidentally, help spark a civil war that could see him rise further in power (well, in conjunction with playing on her MamaBear fears of losing her little boy). And, when she strongly believes that her niece Sansa is actively seducing him away from her, she threatens to throw the girl off a mountain to her death -- after all, Lysa herself "seduced" (re: raped using false pretences [[DudeShesLikeInAComa while he was way too drunk]] and thought she was Catelyn) Petyr herself when she was about fifteen or so. Lysa winds up thrown out the Moon Door instead of poor Sansa. Did we mention that Sansa is 13-years-old ''and being sexually harrassed by Littlefinger'' at the time, which ''should'' have been pretty clear to Lysa except, [[LoveMakesYouCrazy well...]] [[{{Hypocrite}} and]]...? Yeah. Wall-to-wall Yandere, folks.]]
** Littlefinger's [[UnluckyChildhoodFriend unrequited, long-running affection]] of Lysa's sister, Catelyn, places him quite firmly in the {{Yandere}} category. In fact he takes [[ExaggeratedTrope this trope to its extreme]], most notably by [[spoiler: starting a devastating, continent-wide civil war just to discredit Catelyn's husband, Ned, and destroy her family, just because he couldn't have her to himself. Catelyn dying doesn't seem to have impacted him too much, as he's happily found a ReplacementGoldfish in Sansa, Cat's daughter (and the aforementioned niece), and is now planning on bringing war to Westeros ''again'' to win the crown for Sansa and hopefully her love as well]].
* Hagar, the second cousin of Milkman Dead from ''Literature/SongOfSolomon'', were basically KissingCousins up until Milkman got tired of her and decided to break up with her. That, and the sight of Milkman actually going out with other women, drove Hagar insane to the point of wanting to kill him, although all her attempts to do so end up failing. In her last attempt to kill Milkman, Hagar was paralyzed and couldn't move until Milkman's friend Guitar Bains brought her home, where she ended up in a depression until she decided to go on a shopping spree from her mother Reba pawning her ring for a few hundred dollars, buying a bunch of new clothes in the hopes that she might impress Milkman and bring him back to her. Unfortunately, the DoomedNewClothes, the UncannyValleyMakeup, and wet hair ended up with her dying from a fever she never recovered from.
* In ''Literature/TheSpiritThief'', Benehime wants to have Eli for herself, and she'll go to any lengths to make him love her and eliminate anything that might distract him from that fact. While to others, she seems like a benevolent and kind, if slightly flippant goddess, she's seriously obsessed, stalks Eli all over the country, always popping up in his darkest moments, and actively tries to have his TrueCompanions killed. It gets to the point where she orchestrates a war for the purpose of showing Eli how much he needs her and should love her.
* At the beginning of ''Literature/TheStand'' we have Harold to Frannie.
* ''Franchise/StarWarsLegends'' gives us Abeloth. She's [[AssimilationPlot not Luke's ex-girlfriend, but she is]]. This evolves into full ItsAllAboutMe.
* [[Creator/MurasakiShikibu Murasaki Shikibu's]] ''Literature/TheTaleOfGenji'' introduces Rokujo no Miyasudokoro, one of the titular character's older lovers. Said to be one of the first (and certainly one of the most well-known), Rokujo was extremely possessive towards Genji to the point that her hatred of his other lovers manifested itself as an evil spirit which killed one or more of them.
%%* Orual from Creator/CSLewis' ''Literature/TillWeHaveFaces''.
* ''Franchise/TolkiensLegendarium'':
** ''Literature/TheHobbit'': Gollum has this towards [[CargoShip the One Ring]]. ''"My precioussssss..."'' That the object of his desires is a vaguely-sentient ArtifactOfDoom that acts like a centuries-long [[AddictiveMagic drug addiction]] makes him pitiable, but no less dangerous.
** ''Literature/TheLordOfTheRings'' has Gríma Wormtongue, adviser to King Théoden turned spy for Saruman. It is implied that his reward would be the lady Éowyn (despite being old enough to be her dad, and Éowyn making it clear that she absolutely would not consent to that ever).
** ''Literature/TheFallOfGondolin'': After revealing the Hidden City's location to Morgoth, Maeglin plans to murder Tuor and Ëarendil during the battle, kidnap his cousin Idril and force her into marriage after murdering her husband Tuor and their son Ëarendil.
** ''Literature/BerenAndLuthien'':
*** When Daeron realizes that Lúthien has fallen in love with Beren, he attempts to get the Man killed by telling Thingol about the stranger lurking in his woods and wooing his daughter.
*** When Celegorm meets Lúthien, he falls for her at first sight. So he kidnaps her to force her to marry him, and attempt to murder her lover twice.
** ''Literature/TheSilmarillion'': Melkor also qualifies as this, although again the object of his obsession is not a person but a thing: the Flame Imperishable, which is the only thing that can give a creature sentience.
%%* ''Literature/TheTwilightSaga'':
* ''Literature/TheUnexploredSummonBloodSign'': Literally every story arc revolves around [[spoiler:the White Queen]] plotting to make Kyosuke hers. To that end, she won't hesitate to kill or otherwise ruin the lives of others. Unlike other examples on this page, though, she's fine with him foiling her plans and outright rejecting her to her face. She's confident that she'll succeed in the end, and because [[spoiler:she's an invincible EldritchAbomination]], she has all the time in the world to wait. Interestingly, she also doesn't mind other girls hitting on Kyousuke, even if they do so in front of her. This probably stems from her complete indifference to anything and anyone that isn't Kyousuke. On the other hand, if Kyousuke ever shows any signs of interest in another girl (and in her mind, just ''saying another girl's name'' qualifies), she immediately starts feeling murderous.
* ''Literature/TheVampireChronicles'':
** The vampiress Claudia shows signs of being both this ''and'' a {{tsundere}} for Louis. Besides her own anger, she's even willing to [[spoiler:'kill' Lestat]] so that they can be together. For [[Really700YearsOld certain reasons]], she prefers to experience the physical side of the relationship vicariously.
** Akasha, the [[VampireMonarch Queen of the Damned]], for [[spoiler: Lestat]]. She sleeps for thousands of years until he (unintentionally) wakes her and the first thing she does is kill her husband and go on a killing spree, wiping out anyone who could mean [[spoiler: Lestat]] harm. And that's only the tip of the iceberg.
* [[spoiler: Ashfur]] from ''Literature/WarriorCats'' is a male example. After being rejected, he decided to pick off his former love's family members so that she could feel his pain. Not even ''[[UnfinishedBusiness his own death]]'' [[TheDeterminator has deterred him from this goal.]]
* [[PsychoExGirlfriend Selene]] of ''Literature/TheWheelOfTime''. Also known as [[spoiler:Lanfear, Mierin Eronaile, Cyndane, or the Daughter of the Night]]. She wants [[spoiler: Rand al'Thor]] ''very'' badly, has [[ClingyJealousGirl no tolerance for any woman who so much as touches him]], and gets very put out [[IfICantHaveYou if he refuses her]]. It doesn't help that she is an extraordinarily powerful [[MageSpecies channeler]] and quite often [[ShootTheMessenger kills underlings]] [[BadBoss in the midst of]] [[UnstoppableRage her murderous rages]].
* ''Literature/WhoIsThePrey'': Where to begin with Fu Shenxing?
** Once he falls for He Yan for real, he becomes insanely possessive, forcing her to divorce her husband ''after'' he has his men chop off his finger.
** After she escapes him, he goes days without eating or sleeping, relentlessly tracking her down.
** After finding out she's pregnant with Yuan Ze's child, he forces her to have an abortion, despite her pleas and protests.
* Darien from ''Literature/{{Wolfbreed}}''. First off, he is a [[OurWerewolvesAreDifferent werewolf]] and when first met, he already has an almost complete lack of morals along with a [[HumansAreTheRealMonsters burning hatred of humanity]]. This partly stems from his WhereIWasBornAndRazed FreudianExcuse. When he meets Maria, the first female werewolf he has seen since his all werewolf hometown bought it, he immediately falls in love with her only to find out she has been raised by humans, doesn't really know she is a werewolf, is a devout Christian as opposed to Darien's FlatEarthAtheist outlook and has already begun falling in love with with a man named [[KnightInShiningArmor Josef]] who is also [[LoveTriangle falling in love with her]]. And to twist the knife a little deeper, Josef is a soldier in the army that wiped out Darien's hometown and killed his family. Darien doesn't react well to any of this.
* Heathcliff from ''Literature/WutheringHeights'' goes insane after he thinks Catherine doesn't love him, and this insanity pretty much drives his villainy for the remainder of the novel.
* Caroline Kepnes's novel ''Literature/{{You|Kepnes}}'' involves a male version. Joe Goldberg googles Guinevere Beck, a young aspiring writer in New York, and learns all that he can about her. He goes to a bar, which she "coincidentally" goes to and they start up a relationship. As the story progresses, he [[ManipulativeBastard controls her life]] and subtly becomes her boyfriend. What officially seals him as a yandere is the fact that he's willing to do anything to keep her with him, including [[MurderIsTheBestSolution murder]].
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''[[{{yandere}} Until I get my paper shredder fully functioning! Tee-hee~!]]''
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