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* In ''Manga/DeliciousInDungeon'' [[spoiler:Izutsumi was a member of the group well before reaching the Red Dragon in the one-shot. The series proper introduces her alongside Shuro's party and keeps her disguised until the concept of artificial chimeras is brought up, both providing explanation on why there would be a catgirl ninja in an otherwise fairly western-styled setting.]]
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** The third episode has an early appearance from minor ArcVillain Kang Taeshik, who replaces the agent accompanying Jinchul when he debriefs Jinwoo. It also has a brief appearance from Park Heejin, who appears alongside Yoonho and other hunters from the White Tiger Guild when they arrive at the double dungeon and recover the unconscious Jinwoo when the source material she did not appear until the Ice Slayers dungeon. Lastly, when Jinwoo enters the instance dunegon at the end, he briefly fights a few goblins, which in the novel only appeared around the same time as Taeshik as the monsters of the dungeon where he was fought.
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** The third episode has an early appearance from minor ArcVillain Kang Taeshik, who replaces the agent accompanying Jinchul when he debriefs Jinwoo. It also has a brief appearance from Park Heejin, who appears alongside Yoonho and other hunters from the White Tiger Guild when they arrive at the double dungeon and recover the unconscious Jinwoo when in the source material she did not appear until the Ice Slayers dungeon. Lastly, when Jinwoo enters the instance dunegon dungeon at the end, he briefly fights a few goblins, which in the novel only appeared around the same time as Taeshik as the monsters of the dungeon where he was fought.fought.
** The fifth episode has an original scene in the White Tiger Guild headquarters that features an early appearance from Kim Chul, the A-rank White Tiger Guild hunter [[spoiler:Jinwoo is forced to kill and later raise as the shade Iron]]. Like Heejin, in the source material he does not appear until the Ice Slayers dungeon.
** The fifth episode has an original scene in the White Tiger Guild headquarters that features an early appearance from Kim Chul, the A-rank White Tiger Guild hunter [[spoiler:Jinwoo is forced to kill and later raise as the shade Iron]]. Like Heejin, in the source material he does not appear until the Ice Slayers dungeon.
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** The third episode features a brief appearance from Park Heejin, who appears alongside Yoonho and other hunters from the White Tiger Guild when they arrive at the double dungeon and recover the unconscious Jinwoo. In the source material, she did not appear until the Ice Slayers dungeon.
to:
** The third episode features has an early appearance from minor ArcVillain Kang Taeshik, who replaces the agent accompanying Jinchul when he debriefs Jinwoo. It also has a brief appearance from Park Heejin, who appears alongside Yoonho and other hunters from the White Tiger Guild when they arrive at the double dungeon and recover the unconscious Jinwoo. In Jinwoo when the source material, material she did not appear until the Ice Slayers dungeon.dungeon. Lastly, when Jinwoo enters the instance dunegon at the end, he briefly fights a few goblins, which in the novel only appeared around the same time as Taeshik as the monsters of the dungeon where he was fought.
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* The first episode of ''Literature/SoloLeveling'' features appearances from several characters who would not debut until much later in the story. The episode begins InMediasRes during the Jeju Island Raid which occurs midway through the story (being the first season finale of the manhwa), and so features prominent early appearances from S-rank hunters Baek Yoon-ho, Byung-gu Min, and Choi Jong-in. The episode also features original scenes featuring early appearances from the Chairman of the Hunters' Association Go Gun-hee (who also acts as the narrator) and S-rank hunter Cha Hae-in.
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** The first episode of
** The third episode features a brief appearance from Park Heejin, who appears alongside Yoonho and other hunters from the White Tiger Guild when they arrive at the double dungeon and recover the unconscious Jinwoo. In the source material, she did not appear until the Ice Slayers dungeon.
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* ''Manga/ShamanKing'': In the Manga, Horohoro first appeared in chapter 32 after Yoh's fight with Silva. The 2001 Anime however introduced him in Episode 10 long before the Story Arcs where Ryu Meets Tokagero and Yoh learns the power of Oversouls were adapted yet.
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* ''Manga/ShamanKing'': In the Manga, Horohoro first appeared in chapter 32 after Yoh's fight with Silva. The 2001 Anime however introduced him in Episode 10 long before the Story Arcs where Ryu Meets meets Tokagero and Yoh learns the power of Oversouls were adapted yet.yet.
* The first episode of ''Literature/SoloLeveling'' features appearances from several characters who would not debut until much later in the story. The episode begins InMediasRes during the Jeju Island Raid which occurs midway through the story (being the first season finale of the manhwa), and so features prominent early appearances from S-rank hunters Baek Yoon-ho, Byung-gu Min, and Choi Jong-in. The episode also features original scenes featuring early appearances from the Chairman of the Hunters' Association Go Gun-hee (who also acts as the narrator) and S-rank hunter Cha Hae-in.
* The first episode of ''Literature/SoloLeveling'' features appearances from several characters who would not debut until much later in the story. The episode begins InMediasRes during the Jeju Island Raid which occurs midway through the story (being the first season finale of the manhwa), and so features prominent early appearances from S-rank hunters Baek Yoon-ho, Byung-gu Min, and Choi Jong-in. The episode also features original scenes featuring early appearances from the Chairman of the Hunters' Association Go Gun-hee (who also acts as the narrator) and S-rank hunter Cha Hae-in.
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** In ''Gurren-Hen'', [[spoiler:Guinble]] makes an appearance just after [[spoiler:the destruction of the Doten-Kaizan. He looks (appropriately enough) younger than he did in the original series.]]
** In ''Lagann-hen'', [[spoiler:the Anti-Spiral's face briefly appears on the moon's surface just as Nia accepted Simon's marriage proposal.]]
** In ''Lagann-hen'', [[spoiler:the Anti-Spiral's face briefly appears on the moon's surface just as Nia accepted Simon's marriage proposal.]]
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** In ''Gurren-Hen'', [[spoiler:Guinble]] makes an appearance just after [[spoiler:the destruction of the Doten-Kaizan. He looks (appropriately enough) younger than he did in the original series.]]
series]].
** In ''Lagann-hen'', [[spoiler:the Anti-Spiral's face briefly appears on the moon's surface just as Nia accepted Simon's marriageproposal.]]proposal]].
** In ''Lagann-hen'', [[spoiler:the Anti-Spiral's face briefly appears on the moon's surface just as Nia accepted Simon's marriage
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** Downplayed with Mei (#8), whose ambiguous role in the manga is confirmed in the anime.
** Girlfriends #7 - #11 are shown in a montage at the end of Episode 12.
** Girlfriends #7 - #11 are shown in a montage at the end of Episode 12.
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* ''Anime/PowerpuffGirlsZ'':
** Princess Morbucks was the last of the RoguesGallery to be introduced [[WesternAnimation/ThePowerpuffGirls1998 in the original cartoon]], debuting in its Season 2 premiere. Her anime counterpart, Himiko Shirogane, makes an EarlyBirdCameo in the {{Pilot}} before the rest of the canonical RoguesGallery sans Mojo Jojo were even introduced, though he still makes her formal introduction after Fuzzy Lumpkins'. And speaking of which...
** Fuzzy Lumpkins [[PlayingWithATrope plays with this]]. He technically first appeared in a [[Recap/MeatFuzzyLumkinsCrime101 pre-series short]] along with the Amoeba Boys and the Gangreen Gang, but in the original cartoon proper he was the sixth recurring villain introduced after Mojo Jojo, Sedusa, HIM, the Amoeba Boys, and the Gangreen Gang. In this anime he was the third introduced after Mojo Jojo and Princess Morbucks, second formally since Princess' first appearance was an EarlyBirdCameo.
** Brick and Boomer of the Rowdyruff Boys immediately have their post resurrection (they are {{spared|ByTheAdaptation}} here) hairstyles instead of donning their initial ones.
** Princess Morbucks was the last of the RoguesGallery to be introduced [[WesternAnimation/ThePowerpuffGirls1998 in the original cartoon]], debuting in its Season 2 premiere. Her anime counterpart, Himiko Shirogane, makes an EarlyBirdCameo in the {{Pilot}} before the rest of the canonical RoguesGallery sans Mojo Jojo were even introduced, though he still makes her formal introduction after Fuzzy Lumpkins'. And speaking of which...
** Fuzzy Lumpkins [[PlayingWithATrope plays with this]]. He technically first appeared in a [[Recap/MeatFuzzyLumkinsCrime101 pre-series short]] along with the Amoeba Boys and the Gangreen Gang, but in the original cartoon proper he was the sixth recurring villain introduced after Mojo Jojo, Sedusa, HIM, the Amoeba Boys, and the Gangreen Gang. In this anime he was the third introduced after Mojo Jojo and Princess Morbucks, second formally since Princess' first appearance was an EarlyBirdCameo.
** Brick and Boomer of the Rowdyruff Boys immediately have their post resurrection (they are {{spared|ByTheAdaptation}} here) hairstyles instead of donning their initial ones.
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* ''Anime/TrigunStampede''
** A shot of Millions Knives is seen in the first episode, and he terrorises Jenora Rock's inhabitants in person by the third, compared to his much later debut in [[Manga/{{Trigun}} the original manga and anime]]. Much of Vash's backstory is also made known to the audience from the beginning.
** Livio the Double Fang and Elendira the Crimsonnail, two characters who didn't even exist in the manga yet at the time the 1998 Trigun anime was made, show up before we even meet the Bad Lads Gang.
** Episode 12 establishes that lore-wise, Meryl and Wolfwood have entered Vash's life much earlier than they did in previous iterations of the story, being witness to the infamous July incident that gave Vash his $$60 billion bounty. Likewise, many other familiar plot points have been transplanted into happening just prior to and in the aftermath of July, including Vash taking on the pseudonym Eriks and staying with a girl named Lina.
** The voice of Chronica, a character who in the manga doesn't show up until the final story arc, is heard as a mysterious transmission in space two years after the July incident.
** A shot of Millions Knives is seen in the first episode, and he terrorises Jenora Rock's inhabitants in person by the third, compared to his much later debut in [[Manga/{{Trigun}} the original manga and anime]]. Much of Vash's backstory is also made known to the audience from the beginning.
** Livio the Double Fang and Elendira the Crimsonnail, two characters who didn't even exist in the manga yet at the time the 1998 Trigun anime was made, show up before we even meet the Bad Lads Gang.
** Episode 12 establishes that lore-wise, Meryl and Wolfwood have entered Vash's life much earlier than they did in previous iterations of the story, being witness to the infamous July incident that gave Vash his $$60 billion bounty. Likewise, many other familiar plot points have been transplanted into happening just prior to and in the aftermath of July, including Vash taking on the pseudonym Eriks and staying with a girl named Lina.
** The voice of Chronica, a character who in the manga doesn't show up until the final story arc, is heard as a mysterious transmission in space two years after the July incident.
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* The first season of ''Anime/VirtuaFighter'' introduces Lion Rafale and Shun Di, who appeared in the second game in the [[Videogame/VirtuaFighter video game series]].
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** Meme (#10) is among the students at Rentarou's high school opening ceremony in Episode 1.
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** Meme (#10) (#11) is among the students at Rentarou's high school opening ceremony in Episode 1.
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** [[spoiler:Hahari (#6)]] is shown in the Season 1 title sequence.
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* ''Manga/The100GirlfriendsWhoReallyReallyReallyReallyReallyLoveYou'' started serialization four years before the anime started airing, so it's to be expected that many more of the titular girlfriends would appear as background characters well before they joined the harem in the anime:
** Meme is among the students at Rentarou's high school opening ceremony in Episode 1.
** Meme is among the students at Rentarou's high school opening ceremony in Episode 1.
to:
* ''Manga/The100GirlfriendsWhoReallyReallyReallyReallyReallyLoveYou'' started serialization just under four years before the anime started airing, so it's to be expected that many more of the titular girlfriends would appear as background characters well before they joined the harem in the anime:
** Meme (#10) is among the students at Rentarou's high school opening ceremony in Episode 1.
** Kusuri (#5) is shown working in a school lab at the end of Episode 1.
** Meme (#10) is among the students at Rentarou's high school opening ceremony in Episode 1.
** Kusuri (#5) is shown working in a school lab at the end of Episode 1.
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** The orginal light novel starts with the last moments of modern-day Japanese bookworm Urano before her death and her reincarnation as a young girl named Myne. Much later in the story (the part that became the last few episodes of the anime's first season), Myne joins the temple under the tutelage of a priest named Ferdinand. The anime adaptation adds a scene from Part 2 Volume 2 of the novel of Ferdinand using a magic item to explore Myne's memories after having figured out there is something strange about her as a FramingDevice, resulting him being introduced before the members of Myne's own family. It does emphasize his later importance to the story, as he otherwise doesn't show up until the end of the season.
** In a later part of the novel, it's revealed, more than a year after the fact, that Ferdinand sent his two recently-introduced retainers to investigate Myne before taking her in as his student, resulting in that volume including a side story telling the reader how that investigation went. The anime has a TwoShorts bonus episode between Seasons 1 and 2, one of the shorts being an adaptation of the investigation side story that puts it its proper chronological place, resulting in an early debut for the investigators.
** In a later part of the novel, it's revealed, more than a year after the fact, that Ferdinand sent his two recently-introduced retainers to investigate Myne before taking her in as his student, resulting in that volume including a side story telling the reader how that investigation went. The anime has a TwoShorts bonus episode between Seasons 1 and 2, one of the shorts being an adaptation of the investigation side story that puts it its proper chronological place, resulting in an early debut for the investigators.
to:
** The orginal light novel starts with the last moments of modern-day Japanese bookworm Urano before her death and her reincarnation as a young girl named Myne. Much later in the story (the part that became the last few episodes of the anime's first season), Myne joins the temple under the tutelage of a priest named Ferdinand. The anime adaptation adds a scene from Part 2 Volume 2 of the novel of Ferdinand using a magic item to explore Myne's memories after having figured out there is something strange about her as a FramingDevice, resulting in him being introduced before the members of Myne's own family. It does emphasize his later importance to the story, as he otherwise doesn't show up until the end of the season.
** In a later part of the novel, it's revealed, more than a year after the fact, that Ferdinand sent his two recently-introduced retainers to investigate Myne before taking her in as his student, resulting in that volume including a side story telling the reader how that investigation went. The anime has a TwoShorts bonus episode between Seasons 1 and 2, one of the shorts being an adaptation of the investigation side story that puts it in its proper chronological place, resulting in an early debut for the investigators.
** In a later part of the novel, it's revealed, more than a year after the fact, that Ferdinand sent his two recently-introduced retainers to investigate Myne before taking her in as his student, resulting in that volume including a side story telling the reader how that investigation went. The anime has a TwoShorts bonus episode between Seasons 1 and 2, one of the shorts being an adaptation of the investigation side story that puts it in its proper chronological place, resulting in an early debut for the investigators.
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* In the anime version of ''Manga/AsteroidInLove'', Yuu and Chikage first appeared as SchoolFestival visitors during the sixth episode (which mostly adapts the ninteenth and twentith chapters). Chikage appears once more in the part of the eighth episode that adapts the twenty-fifth chapter, as one of the participants of the Earth Science Olympiad.
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* In the anime version of ''Manga/AsteroidInLove'', Yuu and Chikage first appeared as SchoolFestival visitors during the sixth episode (which mostly adapts the ninteenth and twentith twentieth chapters). Chikage appears once more in the part of the eighth episode that adapts the twenty-fifth chapter, as one of the participants of the Earth Science Olympiad.
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* ''[[Literature/TheMoomins Moomin]]'' places Little My in storylines that took place before her debut in the original books.
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* ''[[Literature/TheMoomins Moomin]]'' ''Anime/Moomin1990'' places Little My in storylines that took place before her debut in the original books.
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* ''Manga/The100GirlfriendsWhoReallyReallyReallyReallyReallyLoveYou'' started serialization four years before the anime started airing, so it's to be expected that some of the titular girlfriends would appear as background characters well before they joined the harem in the anime:
to:
* ''Manga/The100GirlfriendsWhoReallyReallyReallyReallyReallyLoveYou'' started serialization four years before the anime started airing, so it's to be expected that some many more of the titular girlfriends would appear as background characters well before they joined the harem in the anime:
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* ''The100GirlfriendsWhoReallyReallyReallyReallyReallyLoveYou'' started serialization four years before the anime started airing, so it's to be expected that some of the titular girlfriends would appear as background characters well before they joined the harem in the anime:
to:
* ''The100GirlfriendsWhoReallyReallyReallyReallyReallyLoveYou'' ''Manga/The100GirlfriendsWhoReallyReallyReallyReallyReallyLoveYou'' started serialization four years before the anime started airing, so it's to be expected that some of the titular girlfriends would appear as background characters well before they joined the harem in the anime:
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* ''The100GirlfriendsWhoReallyReallyReallyReallyReallyLoveYou'' started serialization four years before the anime started airing, so it's to be expected that some of the titular girlfriends would appear as background characters well before they joined the harem in the anime:
** Meme is among the students at Rentarou's high school opening ceremony in Episode 1.
** Meme is among the students at Rentarou's high school opening ceremony in Episode 1.
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crosswicking
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** The novels and manga introduce Tullio Rossi, Stacy Cornwallis, and Fay Willock all in the same scene where Rossi proposes a dueling tournament between the first-years. The anime introduces all three of them an episode early: Stacy and Fay appear in an early scene where they walk by the Sword Roses on their way to morning class, while Rossi appears in TheStinger and monologues about how much the Sword Roses annoy him.
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* ''Literature/ReignOfTheSevenSpellblades'':
** In the novel (and manga), Luther Garland and Richard Andrews didn't appear until the first day of class after orientation. The anime adaptation gives them both {{Early Bird Cameo}}s in the pilot episode (Garland briefly introduces Headmistress Esmeralda during orientation, while Andrews appears in a couple of scenes but has no lines), which rolls credits early in the morning before class.
** In the novel, Teresa Carste wasn't introduced until the epilogue of the first volume (chapter 15 of the manga). The anime adds a scene in the pilot episode where she briefly meets Oliver outside his dorm and introduces herself to him, and a second similar scene in episode 2.
** In the novel (and manga), Luther Garland and Richard Andrews didn't appear until the first day of class after orientation. The anime adaptation gives them both {{Early Bird Cameo}}s in the pilot episode (Garland briefly introduces Headmistress Esmeralda during orientation, while Andrews appears in a couple of scenes but has no lines), which rolls credits early in the morning before class.
** In the novel, Teresa Carste wasn't introduced until the epilogue of the first volume (chapter 15 of the manga). The anime adds a scene in the pilot episode where she briefly meets Oliver outside his dorm and introduces herself to him, and a second similar scene in episode 2.
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** All of the Stern Ritter are present in the anime version of the scene where [[spoiler:Uryu is named as Yhwach's successor]], including Pernida Parnkgjas, Gerard Valkyrie, and Nianzol Weizol, who weren't introduced for over a year after this scene in the manga.
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** All of the Stern Ritter are present in the anime version of the scene where [[spoiler:Uryu is named as Yhwach's successor]], including Pernida Parnkgjas, Gerard Valkyrie, and Nianzol Weizol, and Lille Barro who weren't introduced for over a year after this scene in the manga.
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** All of the Stern Ritter are present in the anime version of the scene where [[spoiler:Uryu is named as Yhwach's successor]], including Pernida Parnkgjas, Gerard Valkyrie, and Nianzol Weizol, who weren't introduced for over a year after this scene in the manga.
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* ''Manga/MiraculousTalesOfLadybugAndChatNoir'': In the original cartoon, Luka is only introduced to Marinette in Season 2, where they first meet through Juleka and her mother. In the manga, during the events of the Season 1 episode ''Dark Cupid'', he meets Marinette's alter ego first while Ladybug is searching for the brainwashed Cat Noir. [[spoiler:He explains that the fragrance Ladybug has been smelling on both Cat Noir and Adrien is actually a very popular scent, which helps convince her that the two are not the same person]].
to:
* ''Manga/MiraculousTalesOfLadybugAndChatNoir'': ''Manga/MiraculousTalesOfLadybugAndCatNoir'': In the original cartoon, Luka is only introduced to Marinette in Season 2, where they first meet through Juleka and her mother. In the manga, during the events of the Season 1 episode ''Dark Cupid'', he meets Marinette's alter ego first while Ladybug is searching for the brainwashed Cat Noir. [[spoiler:He explains that the fragrance Ladybug has been smelling on both Cat Noir and Adrien is actually a very popular scent, which helps convince her that the two are not the same person]].
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AdaptationalEarlyAppearance in UsefulNotes/AnimeAndManga.
----
* In the ''Manga/{{Akira}}'' manga, Kaori doesn't show up until halfway into the series. In the movie, however, she's Tetsuo's classmate and girlfriend from the beginning.
* ''Literature/AscendanceOfABookworm'':
** The orginal light novel starts with the last moments of modern-day Japanese bookworm Urano before her death and her reincarnation as a young girl named Myne. Much later in the story (the part that became the last few episodes of the anime's first season), Myne joins the temple under the tutelage of a priest named Ferdinand. The anime adaptation adds a scene from Part 2 Volume 2 of the novel of Ferdinand using a magic item to explore Myne's memories after having figured out there is something strange about her as a FramingDevice, resulting him being introduced before the members of Myne's own family. It does emphasize his later importance to the story, as he otherwise doesn't show up until the end of the season.
** In a later part of the novel, it's revealed, more than a year after the fact, that Ferdinand sent his two recently-introduced retainers to investigate Myne before taking her in as his student, resulting in that volume including a side story telling the reader how that investigation went. The anime has a TwoShorts bonus episode between Seasons 1 and 2, one of the shorts being an adaptation of the investigation side story that puts it its proper chronological place, resulting in an early debut for the investigators.
* ''Literature/TheAsteriskWar'': In the original light novels, the minor Queenvale student Violet Weinberg has a bit part in volume 7, chapter 4 (published in Japan in November 2014) where she asks Ayato for an autograph at the SchoolFestival (it's hard to spot: Yuu Miyazaki only uses her given name). The anime gives her a much earlier introduction in season 1, episode 8 (aired as {{filler}} in November 2015), then ended after its second season at the end of novel volume 6.
* In the anime version of ''Manga/AsteroidInLove'', Yuu and Chikage first appeared as SchoolFestival visitors during the sixth episode (which mostly adapts the ninteenth and twentith chapters). Chikage appears once more in the part of the eighth episode that adapts the twenty-fifth chapter, as one of the participants of the Earth Science Olympiad.
* Keen-eyed viewers watching ''Manga/AttackOnTitan'' will spot cameos added in the second episode. A young Annie appears among the refugees waiting in the bread line, while a young [[ThoseTwoGuys Reiner and Bertolt]] appear in the crowd during the announcement of the operation to [[BlatantLies reclaim]] Wall Maria. [[spoiler:It's also {{Foreshadowing}} that Reiner and Bertolt ''caused'' the mess in the first place.]]
* In ''Manga/{{Bakuman}}'', Kaya Miyoshi is briefly shown calling for Miho to come with her in the first episode of the anime. She doesn't appear until a few chapters into the series in the manga, when she meets the main characters on the roof. Koogy's music turns up a few times before he decides to make his debut as a mangaka.
* ''Manga/{{Bleach}}'':
** In the manga, Chad first appears in Chapter 7 (and this story is put into the anime at episode 4). But in the second episode, he's there offering to help repair Ichigo's house after the fight against Fish Bone D.
** Ishida gets an odd treatment of this. He has a different EarlyBirdCameo in the manga versus the anime, but still gets introduced in the same story arc.
** While less noticeable than other examples, in the anime, Kiyone and Sentarou (Ukitake's bickering third seats) first appear in Ukitake's debut when he hears about Aizen [[spoiler:supposedly having been killed.]] In the manga, a faceless messenger tells him, and Kiyone and Sentarou don't arrive until he calls them out of hiding a few chapters later.
** The anime briefly shows Meninas [=McAllon=] as the Sternritter who almost kills Rukia during the first Quincy invasion. In the manga, her debut happens much later in the arc (Rukia's early opponent was not shown on panel).
* The original ''Anime/CardfightVanguard'' anime introduced Leon Souryu in Season 2. [[Anime/CardfightVanguardVSeries The 2018 reboot]] (which is actually based on the radically different manga adaptation, where Leon wasn't even present) introduces it early during the very first arc.
* ''Manga/CaseClosed'':
** The anime's first episode gives Conan's future first-grade friends, the Detective Boys, speaking roles.
** Sonoko was introduced in a filler episode, the sixth episode. Her manga debut was in volume 5, during the Mountain Villa Bandaged Man Murder Case.
** The 2016 TV special, ''Detective Conan ONE'', which is largely a retelling of the first two episodes, contains a lot of cameos of characters who weren't introduced in the original two episodes, including some flashforwards.
* While it's only one episode early, in the anime adaptation of ''Literature/DateALive'', when it suddenly starts raining during Tohka and Sido's first date you can see [[MakingASplash Yoshino]] in front of the arcade they take shelter in. The first season OVA ups the ante with Yamai twins playing ''VideoGame/{{Breakout}}'' at the arcade in their [[{{Stripperiffic}} Astral]] [[UnusuallyUninterestingSight Dresses]].
* In the ''Manga/DeathNote'' Matt appears in episode 32 alongside Mello, while he didn't debut in the manga until a little later.
* In ''Manga/DeliciousInDungeon'' [[spoiler:Izutsumi was a member of the group well before reaching the Red Dragon in the one-shot. The series proper introduces her alongside Shuro's party and keeps her disguised until the concept of artificial chimeras is brought up, both providing explanation on why there would be a catgirl ninja in an otherwise fairly western-styled setting.]]
* Two major characters and a location that don't get introduced until the third volume of the ''Manga/TheDemonGirlNextDoor'' manga get very brief appearances in the final episode of the AnimatedAdaptation (which adapts the first two volumes), possibly as a [[SequelHook sequel tease]].
* In the anime adaptation of ''VisualNovel/DiesIrae'', a special super powered version of Ren's normal time stop powers called Eine Faust Finale appeared when he confronted [[BigBad Reinhard]] at the bridge prior to where the routes are supposed to split. Not only is this far earlier than in the novel where it only appeared near the end of Rea's route, but it also appeared one route too early as the anime adapts Marie's route which canonically takes place before Rea's.
* ''Manga/DragonBall'':
** In the manga, Pilaf and his henchmen Mai and Shuu aren't introduced until Goku and friends have collected 6 Dragon Balls and reached his castle (Chapter 18). In the anime, he shows up in the very first episode, and acquires the Dragon Ball that he has in the manga. For the rest of the meta-arc, their various exploits in attempting to acquire the other Dragon Balls are depicted. Which means, since Goku and friends get all the rest, FailureIsTheOnlyOption for these exploits.
** The introduction of Tenshinhan ([[DubNameChange Tien]]) and Chaozu. In the manga, they first turn up at the 22nd Tenkaichi Budokai. But the anime introduces them as the villains of a filler episode while Goku is doing his solo training.
* In ''Literature/DrugStoreInAnotherWorld'', the Demon King Garou Ezil shows up in chapter 38 of the original web novel. In the anime adaptation, he makes his first appearance in the previews of Episode 2.
* [[spoiler:Kuon Kirise]]'s first appearance gets earlier with successive adaptations of ''Literature/EndoAndKobayashiLive The Latest on Tsundere Villainess Lieselotte''. In the novels, he first appeared when the commentators are dating downtown, at Chapter 6B. In the manga adaptation, he first appeared on the cliffhanger of Chapter 5, which adapts Chapter 2B of the novels. In the anime, he appears at the end of Episode 1, which adapts [[SwitchingPOV both parts]] of the first chapter of the novel.
* From ''Manga/Eyeshield21'', the manga introduces Suzuna Taki in the Death March storyarc. The anime includes her in an earlier episode, trying to track down her brother Natsuhiko.
* ''Manga/FistOfTheNorthStar'':
** In the manga, Kenshiro's initial nemesis, [[TokenMotivationalNemesis Shin]], doesn't show up until Chapter 4, while his lost love Yuria ([[spoiler:or rather a mannequin bearing her likeness]]) first appears in Chapter 6. In the anime, they both show up in the very first episode in the form of hallucinations in Kenshiro's mind while going through the desert with real Yuria being a prominent character throughout the first season of the anime.
** The ''Hokuto no Ken 2'' anime changes the order in which certain characters are introduced as well. In the manga, the initial villain Jakoh isn't introduced until Chapter 150 in order to make Falco (who is introduced earlier as an antagonist in Chapter 145) more sympathetic. In the anime Jakoh is introduced in Episode 110, while Falco and the other Gento warriors show up later in Episode 114.
* ''Manga/{{Freezing}}'': The second season of the anime, subtitled ''Vibration'', debuts the E-Pandoras the equivalent of two full tankoubon volumes early, seemingly skipping the preceding arc with Satellizer's half-brother Louis. This is a case of an AuthorsSavingThrow by way of a PragmaticAdaptation: [[spoiler:that arc is moved to the middle of the E-Pandora arc and its outcome adjusted to make Louis more TheAtoner for his past sexual abuse of Satellizer]].
* ''Franchise/FullmetalAlchemist'':
** In the [[Manga/FullmetalAlchemist manga]], Maes Huges is introduced during Chapter 6 when the Elric brothers have arrived at Central by train. In the [[Anime/FullmetalAlchemist2003 2003 anime]], Maes Hughes first appears during the train hijacking incident and helps Ed and Al retake the train.
*** Roy Mustang is shown in the opening scene of Episode 1 in the 2003 anime.
** Solf J. Kimblee is one of the characters briefly introduced in the first episode of ''Brotherhood''; Isaac [=MacDougal=] offers to break him out of prison, but he refuses. [[spoiler:Father]] also makes a brief appearance.
*** The first episode also features major appearances of many characters that were introduced a little later in the manga. Most notably King Bradley and Roy Mustang, who are introduced before even the Elric brothers.
* In contrast to the manga, the anime adaptation of ''Manga/{{Gintama}}'' starts with the core cast already assembled, though subsequent episodes still reveal how Gintoki met Shinpachi, Kagura, Katsura, Sachan and the others for the first time.
* In the anime adaptation of ''Anime/GranblueFantasy'', Rosetta appears early in Port Breeze, interrupting the fight between Gran and Drang. And again, in Auguste Isles where she warns Gran of impending danger and helps them to recover Lyria when she falls into a coma. In the game's actual plot, she only appears when the crew visits the Lumacie Forest.
** In season 2 of the anime, [[spoiler: Ferry's sister]] appears in a {{flashback}}, whereas in the game's version of the story arc, she was originally only mentioned. It took ''years'' for her to finally make an appearance in a fate episode.
* ''Literature/HowARealistHeroRebuiltTheKingdom'' anime examples:
** The Three Dukes, Roroa and her butler, and the Euphoria sisters all appear briefly on the first episode of the anime, well before they any of them were introduced in the novels or manga adaptation.
** Season 2 of the anime concludes with the last scenes of volume 4 of the novels, but the sequence the episode prior where Duchess Walter gives TheTalk to Souma's harem is from the middle of volume 5.
* In ''Manga/IsTheOrderARabbit'', Aoyama first appeared within the first minute of the anime (00:51 to be exact), in an anime-only intro.
* ''Manga/JoJosBizarreAdventure'':
** In the 2014 anime adaptation of ''Manga/JojosBizarreAdventureStardustCrusaders'', there's Pet Shop. He is seen perched upon DIO's shoulder in the fifth episode, whereas the manga featured a generic parrot while Pet Shop did not appear until his battle with Iggy.
** In the first episode of the anime adaptation of ''[[Manga/JojosBizarreAdventureDiamondIsUnbreakable Diamond is Unbreakable]]'', a crowd gathers to watch an unfolding hostage situation. Observant viewers will observe that the crowd in the anime version includes a number of enemy Stand users that wouldn't appear for several arcs, including the Nijimura brothers, Toshikazu Hazamada, Yukako Yamagishi, and even Rohan Kishibe.
** The anime of ''[[Manga/JoJosBizarreAdventureGoldenWind Golden Wind]]'' follows the same trend as its predecessors, albeit even more strongly.
*** Shortly after Polpo's death, the montage of Capos talking about the rumors of his hidden treasure includes a short scene of Zucchero and Sale in a car together puzzling out that Bucciarati seems a likely candidate to know where the treasure is.
*** The ''Golden Wind'' anime even dedicates an entirely original episode to the backstory of La Squadra Esecuzioni. It featured them performing a mission in the lead-up to discovering the fate of Sorbet and Gelato, showing all their faces and personalities, and even adding a scene of the other members attending Sorbet and Gelato's funeral afterwards. In the manga, this backstory lasted two pages, showed all the members as no more than silhouettes, and didn't mention any names.
*** In episode 10 of ''Golden Wind'', Cioccolata and Secco, [[BigBad Diavolo's]] most sadistic henchmen are seen as shadowy silhouettes in a flashback dedicated to the Hitman Team. Cioccolata is seen slicing up Sorbet, one of the hitmen, alive, while Secco films it all on a camera in the background. Although their faces are not shown, Cioccolata's [[AnimeHair distinctive hairstyle]] makes it very apparent that Diavolo sent the two of them as a warning for the Hitman Team for breaching his privacy. They don't make a full appearance until episode 29 much later on.
* ''Manga/KaguyaSamaLoveIsWar'':
** Miko and Osaragi both make a small appearance in the final episode for season 1 during an adaptation of chapter 46. Neither of them showed up in the manga until chapter 65.
** Ishigami had several cameos prior to his proper introduction in episode 6 (he had an EarlyBirdCameo on one of the chapter covers in the manga, but it wasn't adapted).
** Tsubame, Onodera, Kazeno, and Shirogane's predecessor as StudentCouncilPresident (as well as a few minor characters from the Culture Festival arc) all can be seen during the CrowdedCastShot in episode 17, long before any of them are introduced in the manga.
* ''Manga/MysteriousJoker'': In the manga, Ginko and Momo didn't appear until all the way in Chapter 20 and only showed up sporadically after that. The anime adaptation has them present from the very first episode, [[AffirmativeActionGirl presumably to give the show a stronger female presence]].
* Every major character appears in the first episode of the 2006 version of ''VisualNovel/{{Kanon}}'', save for [[spoiler:Amano Mishio. Yes, Makoto is there.]] For those who kept trying to spot the Makoto Sawatari we know, it's not her that we see in the pilot episode, but rather, her [[spoiler:fox form, the fox that Nayuki approaches on the hill]] that we see. Many of them appear only as extras, making them {{Early Bird Cameo}}es.
* Ootani from ''Manga/KomorisanCantDecline'' showed up several times in the background of the first 5 episodes of the anime. In the manga, he never appeared until Komori bumped into him in chapter 16.
* ''Manga/TheLegendOfZeldaAkiraHimekawa'':
** ''Manga/TheLegendOfZeldaOcarinaOfTime1999'':
*** Epona tags along with Link during the Child portion. In the [[VideoGame/TheLegendOfZeldaOcarinaOfTime game]], she can't be obtained until later.
*** Dark Link appears in Kakariko Village, not in the Water Temple.
** ''Manga/TheLegendOfZeldaTwilightPrincess2016'':
*** Midna's true form appears in the first volume.
*** The Hero's Shade is introduced early as a friend of Midna's.
* In the ''VisualNovel/LittleBusters'' visual novel, Suginami-san and her {{Jerkass}} friends Katsuzawa and Takamiya don't show up until the beginning of Rin or Kurugaya's routes, but the anime briefly lingers over the three of them in an establishing shot of the classroom in the first episode. The anime also has brief cameos of Saya, a character who wasn't introduced until a route in the UpdatedRerelease that could only be unlocked upon finishing the game; [[spoiler:however, this only half-counts, as while it's an early appearance from the viewers' point of view, Saya's route was actually set ''before'' the events of the VN proper.]]
* In the ''Manga/{{Locodol}}'' anime, the Awa Awa Girls appear briefly on TV in episode one. They are only introduced properly ten episodes later.
* The ''Manga/MagicalGirlLyricalNanohaVivid'' anime begins with a scene showing Sankt Kaiser Olivie, Hegemon Klaus Ingvalt, and Wilfried Jeremiah during the time of Ancient Belka. In the original manga, the first two don't appear until after Einhart [[DefeatMeansFriendship gets befriended]] a few chapters in, while the existence of Wilfried isn't shown until more than 40 chapters later near the end of the TournamentArc.
* ''Manga/MiraculousTalesOfLadybugAndChatNoir'': In the original cartoon, Luka is only introduced to Marinette in Season 2, where they first meet through Juleka and her mother. In the manga, during the events of the Season 1 episode ''Dark Cupid'', he meets Marinette's alter ego first while Ladybug is searching for the brainwashed Cat Noir. [[spoiler:He explains that the fragrance Ladybug has been smelling on both Cat Noir and Adrien is actually a very popular scent, which helps convince her that the two are not the same person]].
* ''Manga/MissKobayashisDragonMaid'':
** Kanna shows up near the end of episode 1 recognizing Tohru's WaveMotionGun. Doubles as AdaptationExpansion, since Kanna mentioned during her first appearance in the manga that it's how she tracked Tohru down.
** Saikawa can be seen in the background at four different points during Kanna's first day of school before she's properly introduced. In the manga, she isn't seen until she confronts Kanna after class is over.
** Ilulu's doll shows multiple times in flashbacks during her introductory arc in the anime. In the manga, it isn't even hinted at until long after her HeelFaceTurn.
* ''[[Literature/TheMoomins Moomin]]'' places Little My in storylines that took place before her debut in the original books.
* In ''Manga/MoriartyThePatriot'' Professor Moriarty and Sherlock Holmes met and become significant to each other ''before'' Sherlock met John Watson or had any idea at all that he ever would.
* ''Manga/MyHeroAcademia'':
** TheStinger for Season 1 has [[HeroKiller Stain]] lurking in the shadows. In the manga, he doesn't make his first appearance until the end of the Sports Festival Arc before becoming the ArcVillain in the following one.
** If the previews are any indication, Endeavor will play a role in the Jump Festa 2016 OVA between seasons one and two, where as in the manga, he didn't have his first speaking role until the Sports Festival Arc.
** Gran Torino makes his first anime appearance in the first episode of season 2, reading a letter sent to him by All Might. This scene is not in the manga, where he doesn't appear until the Stain/Internship arc.
* In the [[Manga/{{Naruto}} original manga]] of ''Franchise/{{Naruto}}'', versus the anime adaptation:
** Sakura and Sasuke (Sasuke is in the background of one panel) aren't shown clearly until after Naruto becomes a Genin. The rest of the "Nine" aren't introduced until the Chunin Exam arc. In the first episode of the anime, all the members of the Rookie Nine are seen lined up for the Henge Jutsu evaluation. Sakura and Sasuke are even shown going before Naruto.
** Some of the dialogue is changed, as Shikamaru and Ino replace the generic students who complain about Naruto's mischief causing them to be tested on Transformation, with Shikamaru wondering why Naruto is among the graduates when they are assigned to teams.
** In Episode 3, a few of the teachers appear while observing Naruto and Sasuke in the classroom, including Kurenai, who is incredibly OffModel, has the red and white on her outfit reversed, and has a [[TheOtherDarrin different voice actor for that episode]].
** In the manga, the Akatsuki members Hidan and Kakuzu were only seen clearly when they make their first appearance in person, but in the anime they make an appearance as holograms during the Gaara Rescue, requesting to take care of Team Kakashi.
** A WholeEpisodeFlashback of Jiraiya's has two of the ninja who would become [[spoiler:the Six Paths of Pain]], back when they were still alive. One of whom had already been introduced before the flashback. For the anime, the entire group was introduced.
** In the ''Manga/{{Boruto}}'' anime, Kashin Koji appears as a cloaked figure [[spoiler:casting a genjutsu on Katasuke]], before his first appearance in the manga.
** ''Anime/TheLastNarutoTheMovie'' came out while the ''Naruto'' anime was still airing. It wouldn't end for over a year. TheStinger of the movie shows Naruto and Hinata's children, Himawari and Boruto. In the manga, they aren't revealed until the DistantEpilogue. As a result of the film and the ''Boruto'' film already having came out, the anime just skipped over the manga's epilogue and adapted a book showing Naruto's wedding arc.
** [[Anime/BorutoNarutoTheMovie Momoshiki and Kinshiki]] appear as shadow figures on the flashback of Kaguya's past on ''Naruto Shippuuden''.
* ''Anime/NeonGenesisEvangelion'':
** In the original series, Kaworu Nagisa only appears in episode 24 of 26. [[EnsembleDarkhorse He wound up as one of the most popular characters in the franchise]], though, so ''every'' alternate continuity introduces him earlier and gives him a bigger part. The [[Manga/NeonGenesisEvangelion manga adaptation]] has him show up before Asuka's ill-fated confrontation with Arael; he actually pilots Unit-02 during the subsequent battle against Armisael, while in the show, he never saw combat in an EVA. ''Anime/RebuildOfEvangelion'' gives him {{Early Bird Cameo}}s starting at the end of the first movie, with the third largely focusing on his relationship with Shinji.
** Though mentioned a number of times, Yui Ikari was not fully shown onscreen until episode 21 of the original series, probably because seeing her [[WalkingSpoiler risks revealing]] that [[spoiler:Rei is her clone]]. The ''Rebuild'' movies assume that [[ItWasHisSled fans already know this]], so the second movie actually emphasizes their resemblance before the third movie [[TheReveal confirms the secret]].
** Lilith's first full appearance is in episode 15, with her existence treated as a PlotTwist; she's also mistaken for Adam, with her real identity being another plot twist in episode 24. By contrast, Misato reveals and correctly identifies her to Shinji near the end of the first ''Rebuild'' movie, in a part otherwise corresponding to episode six.
* ''Manga/NewGame'': Umiko and Shizuku, who aren't introduced until chapters 15 and 25 of the manga, respectively, make appearances starting from the first episode of the anime to establish their characters.
* The anime of ''Manga/NoMatterHowILookAtItItsYouGuysFaultImNotPopular'' downplays this by having the NiceGirl StudentCouncilPresident appear a few minutes ahead of schedule, replacing the nameless girl who was originally there.
* The ''Manga/NuraRiseOfTheYokaiClan'' anime not only has Gyuuki, the first major villain, appear early, but practically has him appear every other minute for no real reason.
* ''Manga/OnePiece'' has the anime artists adding foreshadowing of future characters that recently appeared in the manga by using an EarlyBirdCameo:
** In the manga, Nami first appears in chapter 8, at the beginning of the Orange Town arc. In the anime, however, she makes an appearance in the very first episode, before Luffy himself.
** Akainu appeared in the background of a group shot just over a month after his present design was unveiled in the manga, Jimbei was shown among the Warlords, and Shiryuu's shadow showed up in Impel Down.
** A minor example with Yokozuna. In the manga, the Straw Hats encounter him while sailing to Water Seven. In the anime, they meet some shipwrecked sailors, who had an encounter with a frog matching his description, who's briefly shown in a flashback.
* ''Anime/PokemonTheSeries'' tends to do this at least once a generation, normally to tease the following generation:
** [[VideoGame/PokemonGoldAndSilver Generation 2]]
*** Ho-Oh appears in the anime's very first episode. Togepi, Marill, and Snubbull also appear before the cast gets to Johto and Donphan shows up in a small battle in the opening of [[Anime/PokemonTheFirstMovie the first movie]]. Lugia, Slowking, Elekid, Bellossom, Ledyba, and Hoothoot appear in the Orange Islands arc.
** [[VideoGame/PokemonRubyAndSapphire Generation 3]]
*** Kecleon first shows up about halfway through the Johto region and Wynaut, Blaziken, Seedot, Shroomish, Lotad, Zigzagoon, Wingull, and Pelipper all show up at the tail end of Johto. Azurill, Wailmer, Duskull, and Volbeat were shown off first in shorts prior to movies, and Latios and Latias were the stars of ''Anime/PokemonHeroes''.
** [[VideoGame/PokemonDiamondAndPearl Generation 4]]
*** Munchlax was first shown in ''[[Anime/PokemonDestinyDeoxys Destiny Deoxys]]'', Lucario, Bonsly, Weavile, and Mime Jr. in ''[[Anime/PokemonLucarioAndTheMysteryOfMew Lucario and the Mystery of Mew]]'', Manaphy, Mantyke, Buizel, and Chatot in ''[[Anime/PokemonRangerAndTheTempleOfTheSea Pokémon Ranger and the Temple of the Sea]]'', and Electivire in the last Gen 3 episode.
** [[VideoGame/PokemonBlackAndWhite Generation 5]]
*** Zorua and Zoroark were first shown in ''[[Anime/PokemonZoroarkMasterofIllusions Zoroark: Master of Illusions]]''. Additionally, a cap worn by one of the movie's characters has the silhouette of a Woobat on it.
** [[VideoGame/PokemonXAndY Generation 6]]
*** Sylveon first debuted in the short prior to ''[[Anime/PokemonGenesectAndTheLegendAwakened Genesect and the Legend Awakened]]'' and Mega Mewtwo Y and [[SuperMode Mega Evolution]] as a whole debuted in the same movie. Helioptile, Gogoat, and Noivern debuted at the tail end of the Gen 5 season.
*** The original airing in Japan of [[PurposelyOverpowered Mega Rayquaza]]'s debut was three weeks prior to the launch of the Gen 3 remakes.
** [[VideoGame/PokemonSunAndMoon Generation 7]]
*** The only Pokémon to debut from this generation prior to the new anime season was the mythical Magearna in the movie ''[[Anime/PokemonVolcanionAndTheMechanicalMarvel Volcanon and the Mechanical Marvel]]''.
* Two instances in the ''Anime/PrettyCureAllStars'' series:
** In ''DX 2'', [[Anime/HeartcatchPrettyCure Itsuki and Yuri]] show up in a crowd shot, the movie airing prior to their appearances in the show, though Yuri's something of an exception.
** In ''New Stage 3'', [[Anime/HappinessChargePrettyCure Cure Honey]] shows up to lend a hand twice. The movie aired two weeks prior to her official appearance.
* In the anime of ''Manga/Reborn2004'', Tsuna passes by Ryohei, Yamamoto, and Hibari when he is running to catch up with Kyoko.
* ''Manga/RosarioPlusVampire'': In the manga, Ruby Tojou didn't appear until the arc immediately preceding the defeat of [[ANaziByAnyOtherName Kuyou]] and the Student Police, and never even met Kuyou until near the end of Season II when he reappears as a member of [[FarEastAsianTerrorists Fairy Tale]]. The anime changed the order the story arcs it was adapting so that Ruby appears before Kuyou does; she later shows up to rally Moka and the rest of the Newspaper Club to fight back against Kuyou and save Tsukune from him.
** Similarly, Mizore's first manga appearance happens one arc after Ruby's introduction. In the anime, she already joins the Newspaper Club before they go on the trip where they would meet Ruby for the first time. Mizore herself never meets Kuyou in the manga.
** In the manga, Yukari appears after the Swimming Club incident and after Ginei's introduction. In the anime, she appears before either of them.
* ''Anime/SailorMoonCrystal'' has a slight tendency to tease characters before they appeared in the ''Manga/SailorMoon'' manga, a perk of adapting an already-finished story.
** Ami has a brief appearance at the end of the first episode, running to get out of the rain. In the original ''Manga/SailorMoon'' manga, she didn't appear until Act 2.
** Rei shows up briefly at the very end of the second episode with some shots focusing on her shrine. It also foreshadows her PsychicPowers. She didn't appear in the manga until Act 3.
** In the most drastic example, Luna's human form makes an appearance toward the end of the first season. This form didn't appear until a short story published around the same time as the Infinity arc (third season) and didn't appear in the manga proper until the fifth and final arc, Stars.
** On that subject, there are brief appearances by Sailor Uranus and Sailor Neptune in a flashback scene in Season 1, two whole seasons before they debut. It’s even more drastic because this scene is the first thing shown in the original dub, and by the time they got to that season, the dubbing company had changed.
* ''Manga/SchoolLive'':
** Played with when it comes to Taroumaru. Chronologically he was a PosthumousCharacter by the time the manga started however this wasn't revealed until several chapters in. In the anime, which starts InMediasRes from the manga, he is an AscendedExtra.
** Played straight with Miki. She doesn't meet the club until several chapters in, however the anime has her around from the get-go and her early scenes are treated as flashbacks. This created some trouble due to [[spoiler:Megu-nee's]] reveal of being [[spoiler:DeadAllAlong]] happening ''before'' Miki joined the club in the manga, but the anime had to tip-toe around the issue for several episodes while the manga [[spoiler:never pretended Megu-nee was alive (and, as mentioned, Miki gets into fights about how the others aren't helping Yuki by supporting her delusions)]].
* ''Manga/ShamanKing'': In the Manga, Horohoro first appeared in chapter 32 after Yoh's fight with Silva. The 2001 Anime however introduced him in Episode 10 long before the Story Arcs where Ryu Meets Tokagero and Yoh learns the power of Oversouls were adapted yet.
* In the ''Manga/SoulEater'' manga, we first see Sid after he's zombified and fights Maka, Soul, Black Star, and Tsubaki. In the anime we see him an episode earlier, before he became a zombie, in a scene added to the anime where Soul and Black Star try to find out about Kid. Likewise, we see Harvar, Ox, Kilik, Pot of Fire, Pot of Thunder, and Hiro in the fourth episode of the anime instead of some unnamed background characters, as all of them were shown significantly later in the manga.
* In ''Anime/SpaceBattleshipYamato2199'', the White Comet Empire shows up as early as episode 9, when the original series didn't reveal their existence until the second season.
* In ''Anime/{{Stitch}}'', Angel (Experiment 624) makes a cameo in the first episode "Ichariba Chodei" as a vision in Stitch's daydream and makes her first proper appearance in the sixth episode "Angel's Flight", whereas in the Western ''WesternAnimation/LiloAndStitchTheSeries'', she doesn't appear until that show's ''thirtieth'' [[Recap/LiloAndStitchTheSeriesS1E30Angel episode]], in the last third of season one. This also extends to her second major appearances; her ''only other'' major appearance in ''The Series'' is "Snafu", the penultimate aired episode of the show, which first aired just before finale film ''WesternAnimation/LeroyAndStitch'' in 2006. In the anime, her second of several more appearances was "Foxy Beige", the twelfth episode.
* In ''Manga/TegamiBachiLetterBee'', Garrard and Hazel make their anime debut in Episode 30, which takes place between Chapter 20 and 21, rather than their canonical debut at the end of Chapter 31.
* ''Anime/TekkenBloodline'':
** The series is an adaptation of ''Videogame/{{Tekken 3}}'', but also features Steve Fox and Craig Marduk (both introduced in ''Videogame/{{Tekken 4}}''), Feng Wei (introduced in ''Videogame/{{Tekken 5}}'') and Leroy Smith (introduced in ''Videogame/{{Tekken 7}}'').
** The series oddly features a number of early ''outfit'' appearances too. Ling Xiaoyu, Nina Williams and King all wear their outfits from ''Tekken 5'', while Julia Chang sports her ''Tekken 7'' design.
* The manga adaptation of ''Anime/TengenToppaGurrenLagann'':
** Nia is shown right after Kamina, Yoko, Leeron, and Simon leave Ritoona Village. There's also some Early-Bird ShipTease for Dayakka[=/=]Kiyoh and Rossiu[=/=]Kinon.
** In ''Gurren-Hen'', [[spoiler:Guinble]] makes an appearance just after [[spoiler:the destruction of the Doten-Kaizan. He looks (appropriately enough) younger than he did in the original series.]]
** In ''Lagann-hen'', [[spoiler:the Anti-Spiral's face briefly appears on the moon's surface just as Nia accepted Simon's marriage proposal.]]
* In the reboot of ''Manga/TokyoMewMew'', ''Anime/TokyoMewMewNew'', the chronological order of the Mews is changed so that Mint is the first Mew rather than Ichigo.
* The anime adaptation of ''Manga/UruseiYatsura'' gets most of the cast assembled way before the manga did. This means that episodes adapted from specific chapters sometimes had to rework the plots to account for characters that weren't yet in the story when the manga was written. The same holds true for the 2022 reboot, which, for instance, introduces Sakura and Mendo (who debuted in chapters 4 and 11, respectively) in the second episode, and Kurama (who debuted in chapter 16) at the end of the third.
* In the anime adaptation of ''Manga/VinlandSaga'':
** Thorkell shows up in the [[AdaptationExpansion added]] ActionPrologue set during the Battle of Hjorunga Bay, instead of appearing halfway through the first arc. The Battle itself is also an example as it first shows up in a flashback of Floki's in the third arc (interestingly, Floki does not appear in the action prologue).
** The last moments of the anime is an anime-original montage that features characters that become important in arcs two and three of the manga, namely Einar, Gudrid and Hild.
* In the manga adaption of Rusty's arrival in [=ThunderClan=] during ''Literature/WarriorCats'', Ravenpaw is in the camp. In the book, he didn't appear until later.
* The anime of ''Manga/YawaraAFashionableJudoGirl'' added a date scene with Yawara in the park with Kazamatsuri (who's trying to avoid all the girls he stood up) in episode #6. One of them (the one in the boat) is Yoko Nanda, who won't join the main cast until MUCH later (like, after the part that's come to the USA). Nanda's defining characteristic WAS her bad luck with men, so it works rather well.
* In Toei's ''[[Anime/YuGiOhFirstAnimeSeries Yu-Gi-Oh!]]'' [[Anime/YuGiOhFirstAnimeSeries anime]], Ryou Bakura appears before Monster World, where he was introduced in the manga.
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* In the ''Manga/{{Akira}}'' manga, Kaori doesn't show up until halfway into the series. In the movie, however, she's Tetsuo's classmate and girlfriend from the beginning.
* ''Literature/AscendanceOfABookworm'':
** The orginal light novel starts with the last moments of modern-day Japanese bookworm Urano before her death and her reincarnation as a young girl named Myne. Much later in the story (the part that became the last few episodes of the anime's first season), Myne joins the temple under the tutelage of a priest named Ferdinand. The anime adaptation adds a scene from Part 2 Volume 2 of the novel of Ferdinand using a magic item to explore Myne's memories after having figured out there is something strange about her as a FramingDevice, resulting him being introduced before the members of Myne's own family. It does emphasize his later importance to the story, as he otherwise doesn't show up until the end of the season.
** In a later part of the novel, it's revealed, more than a year after the fact, that Ferdinand sent his two recently-introduced retainers to investigate Myne before taking her in as his student, resulting in that volume including a side story telling the reader how that investigation went. The anime has a TwoShorts bonus episode between Seasons 1 and 2, one of the shorts being an adaptation of the investigation side story that puts it its proper chronological place, resulting in an early debut for the investigators.
* ''Literature/TheAsteriskWar'': In the original light novels, the minor Queenvale student Violet Weinberg has a bit part in volume 7, chapter 4 (published in Japan in November 2014) where she asks Ayato for an autograph at the SchoolFestival (it's hard to spot: Yuu Miyazaki only uses her given name). The anime gives her a much earlier introduction in season 1, episode 8 (aired as {{filler}} in November 2015), then ended after its second season at the end of novel volume 6.
* In the anime version of ''Manga/AsteroidInLove'', Yuu and Chikage first appeared as SchoolFestival visitors during the sixth episode (which mostly adapts the ninteenth and twentith chapters). Chikage appears once more in the part of the eighth episode that adapts the twenty-fifth chapter, as one of the participants of the Earth Science Olympiad.
* Keen-eyed viewers watching ''Manga/AttackOnTitan'' will spot cameos added in the second episode. A young Annie appears among the refugees waiting in the bread line, while a young [[ThoseTwoGuys Reiner and Bertolt]] appear in the crowd during the announcement of the operation to [[BlatantLies reclaim]] Wall Maria. [[spoiler:It's also {{Foreshadowing}} that Reiner and Bertolt ''caused'' the mess in the first place.]]
* In ''Manga/{{Bakuman}}'', Kaya Miyoshi is briefly shown calling for Miho to come with her in the first episode of the anime. She doesn't appear until a few chapters into the series in the manga, when she meets the main characters on the roof. Koogy's music turns up a few times before he decides to make his debut as a mangaka.
* ''Manga/{{Bleach}}'':
** In the manga, Chad first appears in Chapter 7 (and this story is put into the anime at episode 4). But in the second episode, he's there offering to help repair Ichigo's house after the fight against Fish Bone D.
** Ishida gets an odd treatment of this. He has a different EarlyBirdCameo in the manga versus the anime, but still gets introduced in the same story arc.
** While less noticeable than other examples, in the anime, Kiyone and Sentarou (Ukitake's bickering third seats) first appear in Ukitake's debut when he hears about Aizen [[spoiler:supposedly having been killed.]] In the manga, a faceless messenger tells him, and Kiyone and Sentarou don't arrive until he calls them out of hiding a few chapters later.
** The anime briefly shows Meninas [=McAllon=] as the Sternritter who almost kills Rukia during the first Quincy invasion. In the manga, her debut happens much later in the arc (Rukia's early opponent was not shown on panel).
* The original ''Anime/CardfightVanguard'' anime introduced Leon Souryu in Season 2. [[Anime/CardfightVanguardVSeries The 2018 reboot]] (which is actually based on the radically different manga adaptation, where Leon wasn't even present) introduces it early during the very first arc.
* ''Manga/CaseClosed'':
** The anime's first episode gives Conan's future first-grade friends, the Detective Boys, speaking roles.
** Sonoko was introduced in a filler episode, the sixth episode. Her manga debut was in volume 5, during the Mountain Villa Bandaged Man Murder Case.
** The 2016 TV special, ''Detective Conan ONE'', which is largely a retelling of the first two episodes, contains a lot of cameos of characters who weren't introduced in the original two episodes, including some flashforwards.
* While it's only one episode early, in the anime adaptation of ''Literature/DateALive'', when it suddenly starts raining during Tohka and Sido's first date you can see [[MakingASplash Yoshino]] in front of the arcade they take shelter in. The first season OVA ups the ante with Yamai twins playing ''VideoGame/{{Breakout}}'' at the arcade in their [[{{Stripperiffic}} Astral]] [[UnusuallyUninterestingSight Dresses]].
* In the ''Manga/DeathNote'' Matt appears in episode 32 alongside Mello, while he didn't debut in the manga until a little later.
* In ''Manga/DeliciousInDungeon'' [[spoiler:Izutsumi was a member of the group well before reaching the Red Dragon in the one-shot. The series proper introduces her alongside Shuro's party and keeps her disguised until the concept of artificial chimeras is brought up, both providing explanation on why there would be a catgirl ninja in an otherwise fairly western-styled setting.]]
* Two major characters and a location that don't get introduced until the third volume of the ''Manga/TheDemonGirlNextDoor'' manga get very brief appearances in the final episode of the AnimatedAdaptation (which adapts the first two volumes), possibly as a [[SequelHook sequel tease]].
* In the anime adaptation of ''VisualNovel/DiesIrae'', a special super powered version of Ren's normal time stop powers called Eine Faust Finale appeared when he confronted [[BigBad Reinhard]] at the bridge prior to where the routes are supposed to split. Not only is this far earlier than in the novel where it only appeared near the end of Rea's route, but it also appeared one route too early as the anime adapts Marie's route which canonically takes place before Rea's.
* ''Manga/DragonBall'':
** In the manga, Pilaf and his henchmen Mai and Shuu aren't introduced until Goku and friends have collected 6 Dragon Balls and reached his castle (Chapter 18). In the anime, he shows up in the very first episode, and acquires the Dragon Ball that he has in the manga. For the rest of the meta-arc, their various exploits in attempting to acquire the other Dragon Balls are depicted. Which means, since Goku and friends get all the rest, FailureIsTheOnlyOption for these exploits.
** The introduction of Tenshinhan ([[DubNameChange Tien]]) and Chaozu. In the manga, they first turn up at the 22nd Tenkaichi Budokai. But the anime introduces them as the villains of a filler episode while Goku is doing his solo training.
* In ''Literature/DrugStoreInAnotherWorld'', the Demon King Garou Ezil shows up in chapter 38 of the original web novel. In the anime adaptation, he makes his first appearance in the previews of Episode 2.
* [[spoiler:Kuon Kirise]]'s first appearance gets earlier with successive adaptations of ''Literature/EndoAndKobayashiLive The Latest on Tsundere Villainess Lieselotte''. In the novels, he first appeared when the commentators are dating downtown, at Chapter 6B. In the manga adaptation, he first appeared on the cliffhanger of Chapter 5, which adapts Chapter 2B of the novels. In the anime, he appears at the end of Episode 1, which adapts [[SwitchingPOV both parts]] of the first chapter of the novel.
* From ''Manga/Eyeshield21'', the manga introduces Suzuna Taki in the Death March storyarc. The anime includes her in an earlier episode, trying to track down her brother Natsuhiko.
* ''Manga/FistOfTheNorthStar'':
** In the manga, Kenshiro's initial nemesis, [[TokenMotivationalNemesis Shin]], doesn't show up until Chapter 4, while his lost love Yuria ([[spoiler:or rather a mannequin bearing her likeness]]) first appears in Chapter 6. In the anime, they both show up in the very first episode in the form of hallucinations in Kenshiro's mind while going through the desert with real Yuria being a prominent character throughout the first season of the anime.
** The ''Hokuto no Ken 2'' anime changes the order in which certain characters are introduced as well. In the manga, the initial villain Jakoh isn't introduced until Chapter 150 in order to make Falco (who is introduced earlier as an antagonist in Chapter 145) more sympathetic. In the anime Jakoh is introduced in Episode 110, while Falco and the other Gento warriors show up later in Episode 114.
* ''Manga/{{Freezing}}'': The second season of the anime, subtitled ''Vibration'', debuts the E-Pandoras the equivalent of two full tankoubon volumes early, seemingly skipping the preceding arc with Satellizer's half-brother Louis. This is a case of an AuthorsSavingThrow by way of a PragmaticAdaptation: [[spoiler:that arc is moved to the middle of the E-Pandora arc and its outcome adjusted to make Louis more TheAtoner for his past sexual abuse of Satellizer]].
* ''Franchise/FullmetalAlchemist'':
** In the [[Manga/FullmetalAlchemist manga]], Maes Huges is introduced during Chapter 6 when the Elric brothers have arrived at Central by train. In the [[Anime/FullmetalAlchemist2003 2003 anime]], Maes Hughes first appears during the train hijacking incident and helps Ed and Al retake the train.
*** Roy Mustang is shown in the opening scene of Episode 1 in the 2003 anime.
** Solf J. Kimblee is one of the characters briefly introduced in the first episode of ''Brotherhood''; Isaac [=MacDougal=] offers to break him out of prison, but he refuses. [[spoiler:Father]] also makes a brief appearance.
*** The first episode also features major appearances of many characters that were introduced a little later in the manga. Most notably King Bradley and Roy Mustang, who are introduced before even the Elric brothers.
* In contrast to the manga, the anime adaptation of ''Manga/{{Gintama}}'' starts with the core cast already assembled, though subsequent episodes still reveal how Gintoki met Shinpachi, Kagura, Katsura, Sachan and the others for the first time.
* In the anime adaptation of ''Anime/GranblueFantasy'', Rosetta appears early in Port Breeze, interrupting the fight between Gran and Drang. And again, in Auguste Isles where she warns Gran of impending danger and helps them to recover Lyria when she falls into a coma. In the game's actual plot, she only appears when the crew visits the Lumacie Forest.
** In season 2 of the anime, [[spoiler: Ferry's sister]] appears in a {{flashback}}, whereas in the game's version of the story arc, she was originally only mentioned. It took ''years'' for her to finally make an appearance in a fate episode.
* ''Literature/HowARealistHeroRebuiltTheKingdom'' anime examples:
** The Three Dukes, Roroa and her butler, and the Euphoria sisters all appear briefly on the first episode of the anime, well before they any of them were introduced in the novels or manga adaptation.
** Season 2 of the anime concludes with the last scenes of volume 4 of the novels, but the sequence the episode prior where Duchess Walter gives TheTalk to Souma's harem is from the middle of volume 5.
* In ''Manga/IsTheOrderARabbit'', Aoyama first appeared within the first minute of the anime (00:51 to be exact), in an anime-only intro.
* ''Manga/JoJosBizarreAdventure'':
** In the 2014 anime adaptation of ''Manga/JojosBizarreAdventureStardustCrusaders'', there's Pet Shop. He is seen perched upon DIO's shoulder in the fifth episode, whereas the manga featured a generic parrot while Pet Shop did not appear until his battle with Iggy.
** In the first episode of the anime adaptation of ''[[Manga/JojosBizarreAdventureDiamondIsUnbreakable Diamond is Unbreakable]]'', a crowd gathers to watch an unfolding hostage situation. Observant viewers will observe that the crowd in the anime version includes a number of enemy Stand users that wouldn't appear for several arcs, including the Nijimura brothers, Toshikazu Hazamada, Yukako Yamagishi, and even Rohan Kishibe.
** The anime of ''[[Manga/JoJosBizarreAdventureGoldenWind Golden Wind]]'' follows the same trend as its predecessors, albeit even more strongly.
*** Shortly after Polpo's death, the montage of Capos talking about the rumors of his hidden treasure includes a short scene of Zucchero and Sale in a car together puzzling out that Bucciarati seems a likely candidate to know where the treasure is.
*** The ''Golden Wind'' anime even dedicates an entirely original episode to the backstory of La Squadra Esecuzioni. It featured them performing a mission in the lead-up to discovering the fate of Sorbet and Gelato, showing all their faces and personalities, and even adding a scene of the other members attending Sorbet and Gelato's funeral afterwards. In the manga, this backstory lasted two pages, showed all the members as no more than silhouettes, and didn't mention any names.
*** In episode 10 of ''Golden Wind'', Cioccolata and Secco, [[BigBad Diavolo's]] most sadistic henchmen are seen as shadowy silhouettes in a flashback dedicated to the Hitman Team. Cioccolata is seen slicing up Sorbet, one of the hitmen, alive, while Secco films it all on a camera in the background. Although their faces are not shown, Cioccolata's [[AnimeHair distinctive hairstyle]] makes it very apparent that Diavolo sent the two of them as a warning for the Hitman Team for breaching his privacy. They don't make a full appearance until episode 29 much later on.
* ''Manga/KaguyaSamaLoveIsWar'':
** Miko and Osaragi both make a small appearance in the final episode for season 1 during an adaptation of chapter 46. Neither of them showed up in the manga until chapter 65.
** Ishigami had several cameos prior to his proper introduction in episode 6 (he had an EarlyBirdCameo on one of the chapter covers in the manga, but it wasn't adapted).
** Tsubame, Onodera, Kazeno, and Shirogane's predecessor as StudentCouncilPresident (as well as a few minor characters from the Culture Festival arc) all can be seen during the CrowdedCastShot in episode 17, long before any of them are introduced in the manga.
* ''Manga/MysteriousJoker'': In the manga, Ginko and Momo didn't appear until all the way in Chapter 20 and only showed up sporadically after that. The anime adaptation has them present from the very first episode, [[AffirmativeActionGirl presumably to give the show a stronger female presence]].
* Every major character appears in the first episode of the 2006 version of ''VisualNovel/{{Kanon}}'', save for [[spoiler:Amano Mishio. Yes, Makoto is there.]] For those who kept trying to spot the Makoto Sawatari we know, it's not her that we see in the pilot episode, but rather, her [[spoiler:fox form, the fox that Nayuki approaches on the hill]] that we see. Many of them appear only as extras, making them {{Early Bird Cameo}}es.
* Ootani from ''Manga/KomorisanCantDecline'' showed up several times in the background of the first 5 episodes of the anime. In the manga, he never appeared until Komori bumped into him in chapter 16.
* ''Manga/TheLegendOfZeldaAkiraHimekawa'':
** ''Manga/TheLegendOfZeldaOcarinaOfTime1999'':
*** Epona tags along with Link during the Child portion. In the [[VideoGame/TheLegendOfZeldaOcarinaOfTime game]], she can't be obtained until later.
*** Dark Link appears in Kakariko Village, not in the Water Temple.
** ''Manga/TheLegendOfZeldaTwilightPrincess2016'':
*** Midna's true form appears in the first volume.
*** The Hero's Shade is introduced early as a friend of Midna's.
* In the ''VisualNovel/LittleBusters'' visual novel, Suginami-san and her {{Jerkass}} friends Katsuzawa and Takamiya don't show up until the beginning of Rin or Kurugaya's routes, but the anime briefly lingers over the three of them in an establishing shot of the classroom in the first episode. The anime also has brief cameos of Saya, a character who wasn't introduced until a route in the UpdatedRerelease that could only be unlocked upon finishing the game; [[spoiler:however, this only half-counts, as while it's an early appearance from the viewers' point of view, Saya's route was actually set ''before'' the events of the VN proper.]]
* In the ''Manga/{{Locodol}}'' anime, the Awa Awa Girls appear briefly on TV in episode one. They are only introduced properly ten episodes later.
* The ''Manga/MagicalGirlLyricalNanohaVivid'' anime begins with a scene showing Sankt Kaiser Olivie, Hegemon Klaus Ingvalt, and Wilfried Jeremiah during the time of Ancient Belka. In the original manga, the first two don't appear until after Einhart [[DefeatMeansFriendship gets befriended]] a few chapters in, while the existence of Wilfried isn't shown until more than 40 chapters later near the end of the TournamentArc.
* ''Manga/MiraculousTalesOfLadybugAndChatNoir'': In the original cartoon, Luka is only introduced to Marinette in Season 2, where they first meet through Juleka and her mother. In the manga, during the events of the Season 1 episode ''Dark Cupid'', he meets Marinette's alter ego first while Ladybug is searching for the brainwashed Cat Noir. [[spoiler:He explains that the fragrance Ladybug has been smelling on both Cat Noir and Adrien is actually a very popular scent, which helps convince her that the two are not the same person]].
* ''Manga/MissKobayashisDragonMaid'':
** Kanna shows up near the end of episode 1 recognizing Tohru's WaveMotionGun. Doubles as AdaptationExpansion, since Kanna mentioned during her first appearance in the manga that it's how she tracked Tohru down.
** Saikawa can be seen in the background at four different points during Kanna's first day of school before she's properly introduced. In the manga, she isn't seen until she confronts Kanna after class is over.
** Ilulu's doll shows multiple times in flashbacks during her introductory arc in the anime. In the manga, it isn't even hinted at until long after her HeelFaceTurn.
* ''[[Literature/TheMoomins Moomin]]'' places Little My in storylines that took place before her debut in the original books.
* In ''Manga/MoriartyThePatriot'' Professor Moriarty and Sherlock Holmes met and become significant to each other ''before'' Sherlock met John Watson or had any idea at all that he ever would.
* ''Manga/MyHeroAcademia'':
** TheStinger for Season 1 has [[HeroKiller Stain]] lurking in the shadows. In the manga, he doesn't make his first appearance until the end of the Sports Festival Arc before becoming the ArcVillain in the following one.
** If the previews are any indication, Endeavor will play a role in the Jump Festa 2016 OVA between seasons one and two, where as in the manga, he didn't have his first speaking role until the Sports Festival Arc.
** Gran Torino makes his first anime appearance in the first episode of season 2, reading a letter sent to him by All Might. This scene is not in the manga, where he doesn't appear until the Stain/Internship arc.
* In the [[Manga/{{Naruto}} original manga]] of ''Franchise/{{Naruto}}'', versus the anime adaptation:
** Sakura and Sasuke (Sasuke is in the background of one panel) aren't shown clearly until after Naruto becomes a Genin. The rest of the "Nine" aren't introduced until the Chunin Exam arc. In the first episode of the anime, all the members of the Rookie Nine are seen lined up for the Henge Jutsu evaluation. Sakura and Sasuke are even shown going before Naruto.
** Some of the dialogue is changed, as Shikamaru and Ino replace the generic students who complain about Naruto's mischief causing them to be tested on Transformation, with Shikamaru wondering why Naruto is among the graduates when they are assigned to teams.
** In Episode 3, a few of the teachers appear while observing Naruto and Sasuke in the classroom, including Kurenai, who is incredibly OffModel, has the red and white on her outfit reversed, and has a [[TheOtherDarrin different voice actor for that episode]].
** In the manga, the Akatsuki members Hidan and Kakuzu were only seen clearly when they make their first appearance in person, but in the anime they make an appearance as holograms during the Gaara Rescue, requesting to take care of Team Kakashi.
** A WholeEpisodeFlashback of Jiraiya's has two of the ninja who would become [[spoiler:the Six Paths of Pain]], back when they were still alive. One of whom had already been introduced before the flashback. For the anime, the entire group was introduced.
** In the ''Manga/{{Boruto}}'' anime, Kashin Koji appears as a cloaked figure [[spoiler:casting a genjutsu on Katasuke]], before his first appearance in the manga.
** ''Anime/TheLastNarutoTheMovie'' came out while the ''Naruto'' anime was still airing. It wouldn't end for over a year. TheStinger of the movie shows Naruto and Hinata's children, Himawari and Boruto. In the manga, they aren't revealed until the DistantEpilogue. As a result of the film and the ''Boruto'' film already having came out, the anime just skipped over the manga's epilogue and adapted a book showing Naruto's wedding arc.
** [[Anime/BorutoNarutoTheMovie Momoshiki and Kinshiki]] appear as shadow figures on the flashback of Kaguya's past on ''Naruto Shippuuden''.
* ''Anime/NeonGenesisEvangelion'':
** In the original series, Kaworu Nagisa only appears in episode 24 of 26. [[EnsembleDarkhorse He wound up as one of the most popular characters in the franchise]], though, so ''every'' alternate continuity introduces him earlier and gives him a bigger part. The [[Manga/NeonGenesisEvangelion manga adaptation]] has him show up before Asuka's ill-fated confrontation with Arael; he actually pilots Unit-02 during the subsequent battle against Armisael, while in the show, he never saw combat in an EVA. ''Anime/RebuildOfEvangelion'' gives him {{Early Bird Cameo}}s starting at the end of the first movie, with the third largely focusing on his relationship with Shinji.
** Though mentioned a number of times, Yui Ikari was not fully shown onscreen until episode 21 of the original series, probably because seeing her [[WalkingSpoiler risks revealing]] that [[spoiler:Rei is her clone]]. The ''Rebuild'' movies assume that [[ItWasHisSled fans already know this]], so the second movie actually emphasizes their resemblance before the third movie [[TheReveal confirms the secret]].
** Lilith's first full appearance is in episode 15, with her existence treated as a PlotTwist; she's also mistaken for Adam, with her real identity being another plot twist in episode 24. By contrast, Misato reveals and correctly identifies her to Shinji near the end of the first ''Rebuild'' movie, in a part otherwise corresponding to episode six.
* ''Manga/NewGame'': Umiko and Shizuku, who aren't introduced until chapters 15 and 25 of the manga, respectively, make appearances starting from the first episode of the anime to establish their characters.
* The anime of ''Manga/NoMatterHowILookAtItItsYouGuysFaultImNotPopular'' downplays this by having the NiceGirl StudentCouncilPresident appear a few minutes ahead of schedule, replacing the nameless girl who was originally there.
* The ''Manga/NuraRiseOfTheYokaiClan'' anime not only has Gyuuki, the first major villain, appear early, but practically has him appear every other minute for no real reason.
* ''Manga/OnePiece'' has the anime artists adding foreshadowing of future characters that recently appeared in the manga by using an EarlyBirdCameo:
** In the manga, Nami first appears in chapter 8, at the beginning of the Orange Town arc. In the anime, however, she makes an appearance in the very first episode, before Luffy himself.
** Akainu appeared in the background of a group shot just over a month after his present design was unveiled in the manga, Jimbei was shown among the Warlords, and Shiryuu's shadow showed up in Impel Down.
** A minor example with Yokozuna. In the manga, the Straw Hats encounter him while sailing to Water Seven. In the anime, they meet some shipwrecked sailors, who had an encounter with a frog matching his description, who's briefly shown in a flashback.
* ''Anime/PokemonTheSeries'' tends to do this at least once a generation, normally to tease the following generation:
** [[VideoGame/PokemonGoldAndSilver Generation 2]]
*** Ho-Oh appears in the anime's very first episode. Togepi, Marill, and Snubbull also appear before the cast gets to Johto and Donphan shows up in a small battle in the opening of [[Anime/PokemonTheFirstMovie the first movie]]. Lugia, Slowking, Elekid, Bellossom, Ledyba, and Hoothoot appear in the Orange Islands arc.
** [[VideoGame/PokemonRubyAndSapphire Generation 3]]
*** Kecleon first shows up about halfway through the Johto region and Wynaut, Blaziken, Seedot, Shroomish, Lotad, Zigzagoon, Wingull, and Pelipper all show up at the tail end of Johto. Azurill, Wailmer, Duskull, and Volbeat were shown off first in shorts prior to movies, and Latios and Latias were the stars of ''Anime/PokemonHeroes''.
** [[VideoGame/PokemonDiamondAndPearl Generation 4]]
*** Munchlax was first shown in ''[[Anime/PokemonDestinyDeoxys Destiny Deoxys]]'', Lucario, Bonsly, Weavile, and Mime Jr. in ''[[Anime/PokemonLucarioAndTheMysteryOfMew Lucario and the Mystery of Mew]]'', Manaphy, Mantyke, Buizel, and Chatot in ''[[Anime/PokemonRangerAndTheTempleOfTheSea Pokémon Ranger and the Temple of the Sea]]'', and Electivire in the last Gen 3 episode.
** [[VideoGame/PokemonBlackAndWhite Generation 5]]
*** Zorua and Zoroark were first shown in ''[[Anime/PokemonZoroarkMasterofIllusions Zoroark: Master of Illusions]]''. Additionally, a cap worn by one of the movie's characters has the silhouette of a Woobat on it.
** [[VideoGame/PokemonXAndY Generation 6]]
*** Sylveon first debuted in the short prior to ''[[Anime/PokemonGenesectAndTheLegendAwakened Genesect and the Legend Awakened]]'' and Mega Mewtwo Y and [[SuperMode Mega Evolution]] as a whole debuted in the same movie. Helioptile, Gogoat, and Noivern debuted at the tail end of the Gen 5 season.
*** The original airing in Japan of [[PurposelyOverpowered Mega Rayquaza]]'s debut was three weeks prior to the launch of the Gen 3 remakes.
** [[VideoGame/PokemonSunAndMoon Generation 7]]
*** The only Pokémon to debut from this generation prior to the new anime season was the mythical Magearna in the movie ''[[Anime/PokemonVolcanionAndTheMechanicalMarvel Volcanon and the Mechanical Marvel]]''.
* Two instances in the ''Anime/PrettyCureAllStars'' series:
** In ''DX 2'', [[Anime/HeartcatchPrettyCure Itsuki and Yuri]] show up in a crowd shot, the movie airing prior to their appearances in the show, though Yuri's something of an exception.
** In ''New Stage 3'', [[Anime/HappinessChargePrettyCure Cure Honey]] shows up to lend a hand twice. The movie aired two weeks prior to her official appearance.
* In the anime of ''Manga/Reborn2004'', Tsuna passes by Ryohei, Yamamoto, and Hibari when he is running to catch up with Kyoko.
* ''Manga/RosarioPlusVampire'': In the manga, Ruby Tojou didn't appear until the arc immediately preceding the defeat of [[ANaziByAnyOtherName Kuyou]] and the Student Police, and never even met Kuyou until near the end of Season II when he reappears as a member of [[FarEastAsianTerrorists Fairy Tale]]. The anime changed the order the story arcs it was adapting so that Ruby appears before Kuyou does; she later shows up to rally Moka and the rest of the Newspaper Club to fight back against Kuyou and save Tsukune from him.
** Similarly, Mizore's first manga appearance happens one arc after Ruby's introduction. In the anime, she already joins the Newspaper Club before they go on the trip where they would meet Ruby for the first time. Mizore herself never meets Kuyou in the manga.
** In the manga, Yukari appears after the Swimming Club incident and after Ginei's introduction. In the anime, she appears before either of them.
* ''Anime/SailorMoonCrystal'' has a slight tendency to tease characters before they appeared in the ''Manga/SailorMoon'' manga, a perk of adapting an already-finished story.
** Ami has a brief appearance at the end of the first episode, running to get out of the rain. In the original ''Manga/SailorMoon'' manga, she didn't appear until Act 2.
** Rei shows up briefly at the very end of the second episode with some shots focusing on her shrine. It also foreshadows her PsychicPowers. She didn't appear in the manga until Act 3.
** In the most drastic example, Luna's human form makes an appearance toward the end of the first season. This form didn't appear until a short story published around the same time as the Infinity arc (third season) and didn't appear in the manga proper until the fifth and final arc, Stars.
** On that subject, there are brief appearances by Sailor Uranus and Sailor Neptune in a flashback scene in Season 1, two whole seasons before they debut. It’s even more drastic because this scene is the first thing shown in the original dub, and by the time they got to that season, the dubbing company had changed.
* ''Manga/SchoolLive'':
** Played with when it comes to Taroumaru. Chronologically he was a PosthumousCharacter by the time the manga started however this wasn't revealed until several chapters in. In the anime, which starts InMediasRes from the manga, he is an AscendedExtra.
** Played straight with Miki. She doesn't meet the club until several chapters in, however the anime has her around from the get-go and her early scenes are treated as flashbacks. This created some trouble due to [[spoiler:Megu-nee's]] reveal of being [[spoiler:DeadAllAlong]] happening ''before'' Miki joined the club in the manga, but the anime had to tip-toe around the issue for several episodes while the manga [[spoiler:never pretended Megu-nee was alive (and, as mentioned, Miki gets into fights about how the others aren't helping Yuki by supporting her delusions)]].
* ''Manga/ShamanKing'': In the Manga, Horohoro first appeared in chapter 32 after Yoh's fight with Silva. The 2001 Anime however introduced him in Episode 10 long before the Story Arcs where Ryu Meets Tokagero and Yoh learns the power of Oversouls were adapted yet.
* In the ''Manga/SoulEater'' manga, we first see Sid after he's zombified and fights Maka, Soul, Black Star, and Tsubaki. In the anime we see him an episode earlier, before he became a zombie, in a scene added to the anime where Soul and Black Star try to find out about Kid. Likewise, we see Harvar, Ox, Kilik, Pot of Fire, Pot of Thunder, and Hiro in the fourth episode of the anime instead of some unnamed background characters, as all of them were shown significantly later in the manga.
* In ''Anime/SpaceBattleshipYamato2199'', the White Comet Empire shows up as early as episode 9, when the original series didn't reveal their existence until the second season.
* In ''Anime/{{Stitch}}'', Angel (Experiment 624) makes a cameo in the first episode "Ichariba Chodei" as a vision in Stitch's daydream and makes her first proper appearance in the sixth episode "Angel's Flight", whereas in the Western ''WesternAnimation/LiloAndStitchTheSeries'', she doesn't appear until that show's ''thirtieth'' [[Recap/LiloAndStitchTheSeriesS1E30Angel episode]], in the last third of season one. This also extends to her second major appearances; her ''only other'' major appearance in ''The Series'' is "Snafu", the penultimate aired episode of the show, which first aired just before finale film ''WesternAnimation/LeroyAndStitch'' in 2006. In the anime, her second of several more appearances was "Foxy Beige", the twelfth episode.
* In ''Manga/TegamiBachiLetterBee'', Garrard and Hazel make their anime debut in Episode 30, which takes place between Chapter 20 and 21, rather than their canonical debut at the end of Chapter 31.
* ''Anime/TekkenBloodline'':
** The series is an adaptation of ''Videogame/{{Tekken 3}}'', but also features Steve Fox and Craig Marduk (both introduced in ''Videogame/{{Tekken 4}}''), Feng Wei (introduced in ''Videogame/{{Tekken 5}}'') and Leroy Smith (introduced in ''Videogame/{{Tekken 7}}'').
** The series oddly features a number of early ''outfit'' appearances too. Ling Xiaoyu, Nina Williams and King all wear their outfits from ''Tekken 5'', while Julia Chang sports her ''Tekken 7'' design.
* The manga adaptation of ''Anime/TengenToppaGurrenLagann'':
** Nia is shown right after Kamina, Yoko, Leeron, and Simon leave Ritoona Village. There's also some Early-Bird ShipTease for Dayakka[=/=]Kiyoh and Rossiu[=/=]Kinon.
** In ''Gurren-Hen'', [[spoiler:Guinble]] makes an appearance just after [[spoiler:the destruction of the Doten-Kaizan. He looks (appropriately enough) younger than he did in the original series.]]
** In ''Lagann-hen'', [[spoiler:the Anti-Spiral's face briefly appears on the moon's surface just as Nia accepted Simon's marriage proposal.]]
* In the reboot of ''Manga/TokyoMewMew'', ''Anime/TokyoMewMewNew'', the chronological order of the Mews is changed so that Mint is the first Mew rather than Ichigo.
* The anime adaptation of ''Manga/UruseiYatsura'' gets most of the cast assembled way before the manga did. This means that episodes adapted from specific chapters sometimes had to rework the plots to account for characters that weren't yet in the story when the manga was written. The same holds true for the 2022 reboot, which, for instance, introduces Sakura and Mendo (who debuted in chapters 4 and 11, respectively) in the second episode, and Kurama (who debuted in chapter 16) at the end of the third.
* In the anime adaptation of ''Manga/VinlandSaga'':
** Thorkell shows up in the [[AdaptationExpansion added]] ActionPrologue set during the Battle of Hjorunga Bay, instead of appearing halfway through the first arc. The Battle itself is also an example as it first shows up in a flashback of Floki's in the third arc (interestingly, Floki does not appear in the action prologue).
** The last moments of the anime is an anime-original montage that features characters that become important in arcs two and three of the manga, namely Einar, Gudrid and Hild.
* In the manga adaption of Rusty's arrival in [=ThunderClan=] during ''Literature/WarriorCats'', Ravenpaw is in the camp. In the book, he didn't appear until later.
* The anime of ''Manga/YawaraAFashionableJudoGirl'' added a date scene with Yawara in the park with Kazamatsuri (who's trying to avoid all the girls he stood up) in episode #6. One of them (the one in the boat) is Yoko Nanda, who won't join the main cast until MUCH later (like, after the part that's come to the USA). Nanda's defining characteristic WAS her bad luck with men, so it works rather well.
* In Toei's ''[[Anime/YuGiOhFirstAnimeSeries Yu-Gi-Oh!]]'' [[Anime/YuGiOhFirstAnimeSeries anime]], Ryou Bakura appears before Monster World, where he was introduced in the manga.
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