History MyGodWhatHaveIDone / AnimeAndManga

** In "Pokémon Scent-sation!", Ash became grief-stricken when he discovered that Team Rocket tricked him into being their unwitting pawn in their plans to steal Erika's perfume and blow up Celadon Gym.

* ''Anime/DigimonAdventure02'': It's discovered that BigBad Ken Ichijouji, definitely an EvilOverlord with a ZeroPercentApprovalRating, never knew Digimon were sentient, thinking the Digital World to be a very, ''very'' realistic [[VideoGameCrueltyPotential video game]]. He gives this line once he finds out he's done real harm, and makes a HeelFaceTurn.

** Suzaku also has one of these [[spoiler: when he realizes he's JumpingOffTheSlipperySlope by trying to drug Kallen to get information out of her]]. Followed by [[spoiler: Nina Einstein, once she witnesses the horrendous results of her FLEJIYA nuke]].
** Lelouch actually has another one of these, when he [[spoiler:loses control of Geass and Euphemia gets hit with his off the cuff command to KILL ALL JAPANESE PEOPLE!]] The look of utter shock on his face spoke volumes.
*** Earlier in the series, he gets a similar expression upon being informed that [[spoiler:his love interest's father was among the casualties of his latest battle]]. Although this isn't as objectively big as the aforementioned incident, it shook Lelouch rather badly and forced him to personally face the consequences of his actions and orders.
** Darlton gets one of these [[spoiler: after his hypnosis wears off and he realizes he just saved Zero by shooting Cornelia in the back]].

** Momo is horrified to learn Yuko is an IllGirl who's not even supposed to ''run'', let alone go through the heavy training Momo subjects her to. Yuko assures her she's a lot stronger after becoming a demon, though Momo's still bothered by it.

** In ''Pokémon Scent-sation!'', Ash became grief-stricken when he discovered that Team Rocket tricked him into being their unwitting pawn in their plans to steal Erika's perfume and blow up Celadon Gym.
** In ''Attack of the Prehistoric Pokemon'', Pikachu looks horrified at its reckless Thunderbolt trying to put out the dynamite Team Rocket set (which blows it up early with itself and Ash in the immediate vicinity).
** In ''Anime/PokemonTheFirstMovie'', Dr. Fuji realized that he made a horrible mistake when he sees Mewtwo's power:
-->'''Dr. Fuji:''' "We dreamed of creating the world's strongest Pokemon... ''[[GoneHorriblyRight and we succeeded]]''..."

** In ''Brave the Wave'', after getting scolded for pushing his Treecko too hard and got upset with his friends, Ash realized how [[JerkassRealization bad he lost it]] as he sees that his friends were right about pushing his Pokémon too hard and apologized to them for his behavior.
** In ''Cruisin for a Losin'', after May loses her contest and is scolded for her behavior, she realizes how hard she pushed her Bulbasaur and sincerely apologizes to her for it.
** In ''Take This House and Shuppet'', May has a guilty look on her face when she realizes that she's really hurt Max's feelings during her argument with him and said some things that she shouldn't have.

** In ''Seeing the Forest for the Trees!'', after losing his [[HeroicBSOD Gym Battle]] for his last Kalos Badge and went to the Winding Woods alone in order to contemplate things, Ash was visited by a concern Serena as she tries to cheer him up, but he gets [[WhattheHellHero upset]] with her instead. Serena lets what Ash said get to her and loses her temper, even throwing snowballs at him. However, they both ended up [[WasTooHardOnHim regretting]] their behavior and reconciled at the end of the episode.
** In ''A Towering Takeover!'', Alain has a guilty look on his face when he's forced to let Team Flare take Ash and his Pokémon captive. Alain also realizes that his attempts to protect the ones he cares about, especially Mairin and Chespie, and his joining forces with Team Flare, have potentially doomed the entire world. In the following episode, after Lysandre tells him that he used his battles with Trainers that can Mega Evolve their Pokémon as energy for his machine in order to control Zygarde, Alain is on his knees in shame and keeps punching the ground. However, Alain's able to snap out of his depression with [[YouAreBetterThanYouThinkYouAre Ash's help]], and the Kalos League finalists team up against Lysandre.
** In ''Trials and Determinations!'', Ash's Rockruff has been in an evolution induced aggression and kept growling at everyone, even its friends. However, during Ash's Grand Trial with Olivia, Rockruff immediately comes to its senses when it realizes that it just attacked and knocked out its teammate, Rowlet. The next episode has another one when it bites Ash in its aggression, running away in shame afterward.
** In ''Mission: Total Recall!'', Lusamine had this reaction when Gladion told her [[TheReasonYouSuckSpeech off for her actions]], making her realize how far she let her work and wanting to see an Ultra Beast got in the way of her family.
** In ''Goodbye, Friend!'', Goh decided to leave his Raboot in Hoenn as he believed it would be much happier their than with him. However, after being questioned by Ash on if he actually went and discussed this with the Rabbit Pokémon, Goh realized that he made a hasty decision and doesn't want Raboot to leave. By the time Goh realizes, however, it was too late and the train they were on speeds off. Luckily for Goh, Raboot had boarded the train in time and the two of them are able to fully reconcile.
** In There's a New Kid in Town!, Chloe as a young girl got angry at her family Yamper for stealing everyone's attention so she wished for him to go away. However, Chloe soon realized her mistake and went out to find Yamper but was menaced by three Venonat in a dark playground and burst into tears as they approached but the Puppy Pokémon came out then shooed them away.
** In ''Betrayed, Bothered and Beleaguered!'', Ash is implied to have experienced this off-screen when Chloe told him how his Pikachu was feeling lonely and neglected in favor of Riolu. After deducing where his partner and best friend would most likely be going, Ash rushed to Pallet Town in order to fix things with Pikachu. Meanwhile, after saving Mimey from a Spearow and remembered how he first became best friends with Ash, Pikachu felt remorseful for [[TheRunaway running away]] and for thinking his Trainer didn't care about him anymore.
** In ''Time After Time'', Goh kicked himself for holding a grudge against his friend Horace for two years and snubbing him on the day they were supposed to meet up to hunt for Celebi, after finding a note that explains that the latter had fallen ill and couldn't make it.

* ''Manga/WorldsEndHaremFantasia'':': Arc's Macht [[PhlebotinumOverdose overloads]] and he forces himself on Wenna. After he comes to his senses, he finds her unconscious in the bed with her clothes shredded. He's horrified, is only slightly mollified after she regains conscious and [[NotIfTheyEnjoyedItRationalization tells him she enjoyed it]], [[spoiler:and has the same reaction all over again later when he finds out [[ChildByRape he impregnated her]]]].

** Leila breaks down crying when [[spoiler: she realizes she put Noelle through the same suffering her past-life family had put her through, as well as doing worse to Emile than her past-life ex-fiancé had done to her]] She has thesame reaction in the Marie Route, where she blames herself for her country being destroyed.

* ''Manga/WorldsEndHaremFantasia'':
* ''Anime/YuGiOh Duel Monsters'': Arc's Macht [[PhlebotinumOverdose overloads]] and he forces himself on Wenna. After he comes to his senses, he finds her unconscious in the bed with her clothes shredded. He's horrified, is only slightly mollified after she regains conscious and [[NotIfTheyEnjoyedItRationalization tells him she enjoyed it]], [[spoiler:and has the same reaction all over again later when he finds out [[ChildByRape he impregnated her]]]].

* ''Anime/YuGiOh Duel Monsters''

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** In episode 7 of ''[[Anime/MagicalGirlLyricalNanohaStrikers StrikerS]]'', Teana's recklessness almost ends up getting her best friend Subaru hit by friendly fire (fortunately, Vita was able to intercept it with Graf Eisen). The entire time that Vita's scolding her she's paralyzed with guilt, and at the end of the episode she [[TearsOfRemorse breaks down into tears]]. Even worse, she ended up making the same mistake the next episode during the "[[FanNickname White Devil Incident]]", causing her to have this reaction ''again'' in episode 9.

* Hardner from ''Manga/RaveMaster'' has this when he finds out that [[spoiler: Nagisa, the girl whom he tortured, is actually his daughter]].

%%https://www.reddit.com/r/TVTropes

* ''Manga/MekkoRarekko'':
** In the second volume, when Taishou realizes that he allowed his jealousy of Fukami working on a project with his best friend Buchi, [[spoiler: he lets his anger get the better of him and he ends up raping Buchi. After coming to from a punch from Fukami, Taishou realized what he has done and he breaks down crying]].
** In the fifth volume, [[spoiler: Fukami ends up raping Buchi because he developed feelings for him and he was going to admit his feelings for him, but his mother abandons him which causes him to become lonely and he feels that Buchi wants to be raped like back when Taishou raped him. But on the morning after he rapes Buchi, he to immediately regrets what he had done when he sees Buchi]].

* ''LightNovel/JishouAkuyakuReijouNaKonyakushaNoKansatsuKiroku'':
** Heronia has one when [[spoiler: she learns that her selfishness caused Pi's death]].
** Pi has the same reaction when [[spoiler: Cecil tells it its usage of its magic trying to make Heronia happy instead of guiding her only served to leave her completely alone with an uncertain future]].

** Leila breaks down crying when [[spoiler: she realizes she put Noelle through the same suffering her past-life family had put her through, as well as doing worse to Emile than her past-life ex-fiancé had done to her]].

* ''LightNovel/TrappedInADatingSimTheWorldOfOtomeGamesIsToughForMobs'': In Volume 2 after Olivia breaks down wondering if Leon only sees her as a pet, Leon realizes that he's been seeing Olivia as the protagonist and might have been ignoring who she really is as a result. He starts distancing himself from Olivia thinking he's been babying her as a result.

* ''LightNovel/MyNextLifeAsAVillainessAllRoutesLeadToDoom'': Duchess Millidiana falls to her knees and sobs when she realizes that she's treated both her husband and Keith terribly over what were misunderstandings.

* ''LightNovel/JishouAkuyakuReijouNaKonyakushaNoKansatsuKiroku'': Heronia has one when [[spoiler: she learns that her selfishness caused Pi's death]].

* In ''Manga/MyBrideIsAMermaid'', Lunar initially gloats about how [[spoiler: Nagasumi is forced to marry her instead of Sun]], but upon seeing how miserable Sun is, combined with the fact that Lunar knows what ''really'' happened between her and Nagasumi, she privately feels horrible about her actions.

%% This list of examples has been alphabetized. Please add your example in the proper place. Thanks!

%%

** In "Anime/PokemonTheFirstMovie", Dr. Fuji realized that he made a horrible mistake when he sees Mewtwo's power:
--> Dr. Fuji: "We dreamed of creating the world's strongest Pokemon... ''[[GoneHorriblyRight and we succeeded]]''..."

*** From the same continuity, Roy after [[spoiler:killing Winry's parents]].
*** Also, although being less emotional about it than the previous example, Roy after [[spoiler:killing Bradley/Pride]].

* In ''Manga/InuYasha'', [[TheStoic Sesshoumaru]] had one of these [[InnerMonologue moments]] in the Underworld upon [[NotSoStoic realizing]] that [[MoralityPet his beloved Rin]] was dead as a result of his quest to strengthen [[HealingShiv Tenseiga]]. "She can't be saved?... What's the point of it now? Tenseiga... Just for something like this, I let you die... To obtain this in exchange for Rin's life - [[CharacterDevelopment it means nothing]]." [[DeathIsCheap She got better]].

* In ''Anime/HappinessChargePrettyCure'', Iona Hikawa/Cure Fortune spent half of the series giving Hime Shirayuki/Cure Princess hell over her DarkSecret, [[spoiler:opening the [[SealedEvilInACan Axia Box]] and letting the Phantom Empire free]]. Because of it, Iona's sister, Maria/Cure Tender, was defeated and captured by [[HeroKiller Phantom]]. When Iona finally confronts and battles Phantom, Phantom easily overpowers her and destroys her [=PreCards=] before revealing the truth - Maria's defeat and capture wasn't Hime's fault, it was ''Iona'''s: [[spoiler:she wandered into the fight between Maria and Phantom and when Phantom targeted Iona, Maria took the hit meant for her]]. Iona doesn't take it too well. She gets another one when Hime finally gives her her reasoning for what she did - [[spoiler:she was tricked into opening it after hearing a sad voice from inside]].
* In ''Manga/{{Hellsing}}'', Seras wakes up from her berserk mode and is horrified of killing the ghouled soldiers of Hellsing, Walter also had this moment in the anime when he found out he nearly choked Seras with his wires after being hypnotize by a vampire.
* In ''VisualNovel/HigurashiWhenTheyCry'', several of the characters have these moments. Heck, Keichi has two regarding the same horrific event.
** [[spoiler:Shion even ''wets herself'' upon hers]].
*** [[spoiler:That may be a very, very different kind of wet for all we know]].
* Kan'u Unchou in ''Manga/IkkiTousen Great Guardians'' after realizing that for a short time she was [[{{Flanderization}} flanderized]] into a PsychoLesbian towards her liege Ryuubi. Then, she tried to kill herself as an atonement, which prompts Ryuubi to [[ArmorPiercingSlap slap her silly]] and tells her to [[GetAHoldOfYourselfMan get a hold of herself]].
* In the final episode of ''Anime/ImGonnaBeAnAngel'', [[spoiler: after Silky sets their wings on fire, Mikael snaps out of his madness and when Raphael appears before him and confronts him with what his actions have led to, Mikael breaks into [[TearsOfRemorse tears]], expresses his remorse over what he has done and pleads his teacher to rescue everyone. When Raphael disappears, Mikael just resigns to the [[RedemptionEqualsDeath worst]]]].
* In ''Manga/InuYasha'', [[TheStoic Sesshoumaru]] had one of these [[InnerMonologue moments]] in the Underworld upon [[NotSoStoic realizing]] that [[MoralityPet his beloved Rin]] was dead as a result of his quest to strengthen [[HealingShiv Tenseiga]]. "She can't be saved?... What's the point of it now? Tenseiga... Just for something like this, I let you die... To obtain this in exchange for Rin's life - [[CharacterDevelopment it means nothing]]." [[DeathIsCheap She got better]].

* ''Manga/AkkanBaby'': Mika after[[ spoiler: trying to abandon Puni]].