History WalkingSpoiler / AnimeAndManga

** It's difficult to talk about Akaza without mentioning that shortly after his debut, he kills Kyojuro Rengoku, one of the Hashira and the ArcHero of the Infinite Train arc, or that his backstory is more tragic than people might have assumed.

* ''Manga/The100GirlfriendsWhoReallyReallyReallyReallyReallyLoveYou'': Girlfriend #6 is Hahari Hanazono, whose daughter Hakari is one of Rentarou's first two girlfriends. Her introduction to the harem is what breaks any and all limitations as to what kind of girls are among Rentarou's soulmates.

* ''Manga/ShimejiSimulation'':
** Big Sis, the unnamed older sister of Shijima, is impossible to talk about her without spoiling many of the manga's major plot points. From the start, her GadgeteerGenius trait is a spoiler as many of her technologies (Raw Fish Generator, Raw Fish Converter, Flounder Block, Twin-Flounder Motor, the Fish With Names and the giant drill excavator, the sea-urchin device and the conch-shaped device) are directly connected to uncovering the layers of their world, which is also difficult to not talk without summarising what these technologies are used for and her role in using them; and her reveal about the true nature of their world is bound to have spoilers. Then halfway through, her being behind the unintentional creation of her rogue clone involves a spoiler of how she was created in the first place, which is impossible to avoid spoiling the major plot point of how her rogue became soon involved in altering reality furthermore. And finally, the fish that Shijima saw in a [[RainOfSomethingUnusual snowy world]] is yet also hard to talk about without spoiling Big Sis' fate that she's DeadAllAlong.
** The Big Sis Clone, Big Sis' EvilDoppelganger, is impossible to talk about without mentioning the origin of how she was created and her true goals to the simulation.
** The Gardener who initially appears as some PluckyComicRelief is also a spoiler in the sense that she's the one overseeing the state of the simulation around her. Talking about the state of the simulation is impossible without discussing the Gardener's involvement in it, in how NobodyCanDie under her watch.
** Yomikawa is a minor but a very significant case. Similarly to the Gardener, she's also a PluckyComicRelief character, but talking about her is such a huge spoiler for two main reasons: 1) She is a very AmbiguouslyHuman person as she has a very concise, omniscient knowledge of the simulation that is not often a common trait that third-years have, and 2) Supporting her status as TheOmniscient, mentioning about her [[TheReveal reveal]] regarding the true nature of the simulation is going to spoil the [[SpoilerTitle manga's title]] and the actual truth as to why this world became as is: it is heavily connected to ''Girls' Last Tour'' as humanity [[FlingALightIntoTheFuture continued human existence digitally after the]] RobotWar [[FlingALightIntoTheFuture by uploading their consciousness into a supercomputer that resembles a simulated reality and it has been flying inside a space shuttle for a very long time]]. Yomikawa's reveal through the story she read to Shijima and how they are completely connected to some of the predecessor's key plot points — the RobotWar and Chito and Yuuri's visit to the space station after seeing a flight path of the third shuttle — is hard to talk about as it spoils the biggest twist of the manga: it is later revealed to be [[CanonUniverse canon all along]] and a StealthSequel to its predecessor.
** On the much spoilery end of the scale, there's also [[{{Expy}} the two familiar faces]] Shijima meet inside the AfterlifeExpress who look ''exactly'' like Chito and Yuuri from ''Girls' Last Tour''. Despite being {{Late Arrival Spoiler}}s who only appeared in the penultimate chapter, talking about them is bound to be extremely difficult and also spoilery for many reasons. The first part starts with Shijima's neighbours, who are not only different in their characterisation but their appearance and their everyday behaviour and personality subtly {{foreshadow|ing}}s that they are ''not the same'' as the original Chito and Yuuri. Secondly, not only they are mere {{Last Episode New Character}}s, but they are revealed to be Chito and Yuuri (despite not mentioning their names) after all this time, who are [[CanonCharacterAllAlong canon characters]] from their source material where their consciousness has been transported to the simulation after their tour to the megacity, making them a difficult topic to talk about without spoiling the manga's biggest plot twist: the entire manga is canon to ''Girls' Last Tour'' all along.

** Big Sis, the unnamed older sister of Shijima, is impossible to talk about her without spoiling many of the manga's major plot points. From the start, her GadgeteerGenius trait is a spoiler as many of her technologies (Raw Fish Generator, Raw Fish Converter, Flounder Block, Twin-Flounder Motor, the Fish With Names and the giant drill excavator, the sea-urchin device and the conch-shaped device) are directly connected to uncovering the layers of their world, which is also difficult to not talk about summarise what these technologies are used for and her role in using them; and her reveal about the true nature of their world is bound to have spoilers. Then halfway through, her being behind the unintentional creation of her rogue clone involves a spoiler of how she was created in the first place, which is impossible to avoid spoiling the major plot point of how her rogue became soon involved in altering reality furthermore. And finally, the fish that Shijima saw in a [[RainOfSomethingUnusual snowy world]] is yet also hard to talk about without spoiling Big Sis' fate that she's DeadAllAlong.

** Yomikawa is a minor but a very significant case. Similarly to the Gardener, she's also a PluckyComicRelief character, but talking about her is such a huge spoiler for two main reasons: 1) She is a very AmbiguouslyHuman person as she has a very concise, omniscient knowledge of the simulation that is not often a common trait that third-years have, and 2) Supporting her status as TheOmniscient, mentioning about her [[TheReveal reveal]] regarding the true nature of the simulation is going to spoil the [[SpoilerTitle manga's title]] and the actual truth as to why this world became as is: it is heavily connected to ''Girls' Last Tour'' as humanity [[FlingALightIntoTheFuture continued human existence digitally after the]] RobotWar [[FlingALightIntoTheFuture by uploading their consciousness into a supercomputer that resembles a simulated reality and it has been flying inside a space shuttle for a very long time]]. Yomikawa's reveal through the story she read to Shijima and how they are completely connected to some of the predecessor's key plot points — the RobotWar and Chito and Yuuri's visit to the space station after seeing a flight path of the third shuttle — spoils the biggest twist of the manga: it is later revealed to be [[CanonUniverse canon all along]] and a StealthSequel to its predecessor.

** Yomikawa is a minor but a very significant case. Similarly to the Gardener, she's also a PluckyComicRelief character, but talking about her is such a huge spoiler for two main reasons: 1) She is a very AmbiguouslyHuman person as she has a very concise, omniscient knowledge of the simulation that is not often a common trait that third-years have, and 2) Supporting her status as TheOmniscient, mentioning about her [[TheReveal reveal]] regarding the true nature of the simulation is going to spoil the [[SpoilerTitle manga's title]] and the actual truth as to why this world became as is: it is heavily connected to ''Girls' Last Tour'' as humanity [[FlingALightIntoTheFuture continued human existence digitally after the]] RobotWar [[FlingALightIntoTheFuture by uploading their consciousness into a supercomputer that resembles a simulated reality and it has been flying inside a space shuttle for a very long time]]. Yomikawa's reveal through the story she read to Shijima and how they are completely connected to some of the predecessor's key plot points — the RobotWar and Chito and Yuuri's visit to the space station after seeing a flight path of the third shuttle — supports the biggest twist of the manga: it is later revealed to be [[CanonUniverse canon all along]] and a StealthSequel to its predecessor.

** Yomikawa is a minor but a very significant case. Similarly to the Gardener, she's also a PluckyComicRelief character, but talking about her is such a huge spoiler for two main reasons: 1) She is a very AmbiguouslyHuman person as she has a very concise, omniscient knowledge of the simulation that is not often a common trait that third-years have, and 2) Supporting her status as TheOmniscient, mentioning about her [[TheReveal reveal]] regarding the true nature of the simulation is going to spoil the [[SpoilerTitle manga's title]] and the actual truth as to why this world became as is: it is heavily connected to ''Girls' Last Tour'' as humanity [[FlingALightIntoTheFuture continued existence after the]] RobotWar [[FlingALightIntoTheFuture by uploading their consciousness into a supercomputer that resembles the simulated reality and it has been flying inside a space shuttle for a very long time. Yomikawa's reveal supports the biggest twist of the manga: it is later revealed to be [[CanonUniverse canon all along]] and a StealthSequel to its predecessor.

** Yomikawa is a minor but a very significant case. Similarly to the Gardener, she's also a PluckyComicRelief character, but talking about her is such a huge spoiler for two main reasons: 1) She is a very AmbiguouslyHuman person as she has a very concise, omniscient knowledge of the simulation that is not often a common trait that third-years have, and 2) Supporting her status as TheOmniscient, mentioning about her [[TheReveal reveal]] regarding the true nature of the simulation is going to spoil the [[SpoilerTitle manga's title]] and the actual truth as to why this world became as is: it is heavily connected to ''Girls' Last Tour'', because Yomikawa's reveal supports the biggest twist of the manga: it is later revealed to be [[CanonUniverse canon all along]] and a StealthSequel to its predecessor.

** Big Sis, the unnamed older sister of Shijima, is impossible to talk about her without spoiling many of the manga's major plot points. From the start, her GadgeteerGenius trait is a spoiler as many of her technologies (Raw Fish Generator, Raw Fish Converter, Flounder Block, Twin-Flounder Motor, the Fish With Names and the giant drill excavator, the sea-urchin device and the conch-shaped device) are directly connected to uncovering the layers of their world, which is also difficult to not talk about summarise what these technologies are used for and her role in using them; and her reveal about the true nature of the world is bound to have spoilers. Then halfway through, her being behind the unintentional creation of her rogue clone involves a spoiler of how she was created in the first place, which is impossible to avoid spoiling the major plot point of how her rogue became soon involved in altering reality furthermore. And finally, the fish that Shijima saw in a [[RainOfSomethingUnusual snowy world]] is yet also hard to talk about without spoiling Big Sis' fate that she's DeadAllAlong.

** Yet another minor but significant example comes from Kanazawa's unnamed companion. While she is merely appearing only in pictures during the reveal in Chapter 12, talking about her is difficult without revealing some spoilers as it is a clue why Kanazawa is all by himself when he firstly meets Chito and Yuuri. It is not even accounting how Yuuri lampshades this very fact about it, which in itself is a spoiler.

** Yet another minor but significant example comes from Kanazawa's unnamed companion. While she is merely appearing in pictures during the reveal in Chapter 12, talking about her is difficult without revealing some spoilers as it is a clue why Kanazawa is all by himself when he firstly meets Chito and Yuuri. It is not even accounting how Yuuri lampshades this very fact about it, which in itself is a spoiler.

* ''Manga/GirlsLastTour'': The Grandfather, whose existence is simply [[SmallRoleBigImpact minor]] at best and a PosthumousCharacter at worst, is spoilered out, as he's very connected to Chito and Yuuri in many ways where everything is a massive spoiler that it's impossible to talk about him, starting from 1) He's their caretaker since their birth since their parents were absent, 2) He's largely responsible for teaching Chito how to read books and drive the Kettenkrad that have become essential for their journey, 3) Speaking of their journey, he's the man behind the duo's journey to the entire megacity and subsequently the highest layer after a massive CivilWar broke down within their town, meaning he's responsible for kickstarting the main plot of the manga after his death.

* ''Manga/GirlsLastTour'': The Grandfather, whose existence is simply [[SmallRoleBigImpact minor]] at best and a FlashbackCharacter at worst, is spoilered out, as he's very connected to Chito and Yuuri in many ways where everything is a massive spoiler that it's impossible to talk about him, starting from 1) He's their caretaker since their birth since their parents were absent, 2) He's largely responsible for teaching Chito how to read books and drive the Kettenkrad that have become essential for their journey, 3) Speaking of their journey, he's the man behind the duo's journey to the entire megacity and subsequently the highest layer after a massive CivilWar broke down within their town, meaning he's responsible for kickstarting the main plot of the manga after his death.

* ''Manga/GirlsLastTour'': The Grandfather is spoilered out, as he's very connected to Chito and Yuuri in many ways where everything is a massive spoiler that it's impossible to talk about him, starting from 1) He's their caretaker since their birth since their parents were absent, 2) He's largely responsible for teaching Chito how to read books and drive the Kettenkrad that have become essential for their journey, 3) Speaking of their journey, he's the man behind the duo's journey to the highest layer after a massive CivilWar broke down within their town, meaning he's responsible for the girls' journey to the city layers throughout the story.

** Yomikawa is a minor but a very significant case. Similarly to the Gardener, she's also a PluckyComicRelief character, but talking about her is such a huge spoiler for two main reasons: 1) She is a very AmbiguouslyHuman person as she has a very concise, omniscient knowledge of the simulation that is not often a common trait that third-years have, and 2) Supporting her status as TheOmniscient, mentioning about her [[TheReveal reveal]] regarding the true nature of the simulation is going to spoil the [[SpoilerTitle manga's title]] and the actual truth as to why this world became as is: it is heavily connected to ''Girls' Last Tour'', because Yomikawa's reveal supports the biggest twist of the manga: is later revealed to be [[CanonUniverse canon all along]] and a StealthSequel to its predecessor.

** On the much spoilery end of the scale, there's also [[{{Expy}} the two familiar faces]] Shijima meet inside the AfterlifeExpress who look ''exactly'' like Chito and Yuuri from ''Girls' Last Tour''. Despite being {{Late Arrival Spoiler}}s who only appeared in the penultimate chapter, talking about them is bound to be extremely difficult and also spoilery for many reasons. The first part starts Shijima's neighbours, who are not only different in their characterisation but their appearance and their everyday behaviour and personality subtly {{foreshadow|ing}}s that they are ''not the same'' as the original Chito and Yuuri. Secondly, not only they are mere {{Last Episode New Character}}s, but they are revealed to be Chito and Yuuri (despite not mentioning their names) after all this time, who are [[CanonCharacterAllAlong canon characters]] from their source material where their consciousness has been transported to the simulation after their tour to the megacity, making them a difficult topic to talk about without spoiling the manga's biggest plot twist: the entire manga is canon to ''Girls' Last Tour'' all along.

** On the much spoilery end of the scale, there's also [[{{Expy}} the two familiar faces]] Shijima meet inside the AfterlifeExpress who look ''exactly'' like Chito and Yuuri from ''Girls' Last Tour''. Despite being {{LateArrivalSpoiler}}s, talking about them is bound to be extremely difficult and also spoilery for many reasons. The first part starts Shijima's neighbours, who are not only different in their characterisation but their appearance and their everyday behaviour and personality subtly {{foreshadow|ing}}s that they are ''not the same'' as the original Chito and Yuuri. Secondly, not only they are mere {{Last Episode New Character}}s, but they are revealed to be Chito and Yuuri (despite not mentioning their names) after all this time, who are [[CanonCharacterAllAlong canon characters]] from their source material where their consciousness has been transported to the simulation after their tour to the megacity, making them a difficult topic to talk about without spoiling the manga's biggest plot twist: the entire manga is canon to ''Girls' Last Tour'' all along.

** On the much spoilery end of the scale, there's also [[{{Expy}} the two familiar faces]] Shijima meet inside the AfterlifeExpress who look ''exactly'' like Chito and Yuuri from ''Girls' Last Tour''. Despite being {{Late-Arrival Spoiler}}s, talking about them is bound to be extremely difficult and also spoilery for many reasons. The first part starts Shijima's neighbours, who are not only different in their characterisation but their appearance and their everyday behaviour and personality subtly {{foreshadow|ing}}s that they are ''not the same'' as the original Chito and Yuuri. Secondly, not only they are mere {{Last Episode New Character}}s, but they are revealed to be Chito and Yuuri (despite not mentioning their names) after all this time, who are [[CanonCharacterAllAlong canon characters]] from their source material where their consciousness has been transported to the simulation after their tour to the megacity, making them a difficult topic to talk about without spoiling the manga's biggest plot twist: the entire manga is canon to ''Girls' Last Tour'' all along.

** Yomikawa is a minor but a very significant case. Similarly to the Gardener, she's also a PluckyComicRelief character, but talking about her is such a huge spoiler for two main reasons: 1) She is a very AmbiguouslyHuman person as she has a very concise, omniscient knowledge of the simulation that is not often a common trait that third-years have, and 2) Supporting her status as TheOmniscient, mentioning about the [[TheReveal reveal]] regarding the simulation is going to spoil the [[SpoilerTitle manga's title]] and the actual truth as to why this world became as is: it is heavily connected to ''Girls' Last Tour'', because Yomikawwa's reveal supports the biggest twist of the manga: is later revealed to be [[CanonUniverse canon all along]] and a StealthSequel to its predecessor.
** On the much spoilery end of the scale, there's also [[{{Expy}} the two familiar faces]] Shijima meet inside the AfterlifeExpress who look ''exactly'' like Chito and Yuuri from ''Girls' Last Tour''. Talking about them is bound to be extremely difficult and also spoilery for many reasons. The first part is Shijima's neighbours, who are not only different in their characterisation but their appearance and their everyday behaviour {{foreshadow|ing}}s that they are ''not the same'' as the original Chito and Yuuri. Secondly, not only they are mere {{Last Episode New Character}}s, but they are revealed to be Chito and Yuuri (despite not mentioning their names), who are [[CanonCharacterAllAlong canon characters]] all along where their consciousness has been transported to the simulation, making them a difficult topic to talk about without spoiling the biggest plot twist: the entire manga is canon to ''Girls' Last Tour'' all along.

* ''Manga/GirlsLastTour: The Grandfather is spoilered out, as he's very connected to Chito and Yuuri in many ways where everything is a spoiler, starting from 1) He's their caretaker since their birth since their parents were absent, 2) He's largely responsible for teaching Chito how to read books and drive the Kettenkrad that have become essential for their journey, 3) Speaking of their journey, he's the man behind the duo's journey to the highest layer after a massive CivilWar broke down within their town, meaning he's responsible for the girls' journey to the city layers.

** It's also hard to discuss Iemochi, the last female shogun, and her relationship with Prince Kazu without revealing that Kazu is actually a DecompositeCharacter in this 'verse, the real Kazu ran away to a monastery, and the 'Kazu' that married Iemochi is actually his half-''sister'' Chikako (which was the real life Kazu-no-miya's birth name).

** Discussing Vivi typically reveals that she's undercover in Baroque Works as Ms. Wednesday, and with later developments that her family is the only one among the World Government that didn't become World Nobles.

* ''Anime/BodaciousSpacePirates'': Ironbeard, captain of the Parabellum, during the last arc of the anime. He turns out to be [[LukeIAmYourFather Marika's father]], who was stated to have died at the beginning of the anime and the reason Marika had to become captain of the Bentemaru in the first place.

** Nia's origin (the Spiral King's daughter) and raison d'être (she's the Anti-Spiral messenger) obviously cannot be revealed until the beginning of the end.