Well, in the world of 'back in time fanfic', there are stories that take characters back to the Victorian era. In these, the characters might be dealing with strict social hierarchies. They could be a modern - day person suddenly in a world where propriety and etiquette are of utmost importance. This can lead to all sorts of interesting situations, like trying to hide modern - day ideas while also trying to fit in and perhaps change some things for the better.
There are 'back in twilight fanfic' that center around the backstories of the Cullen family. Some might delve into Carlisle's early days as a vampire and how he came to form his family values. These fanfics can add more depth to the Twilight universe and give readers a new perspective on the characters they already love.
One popular 'batman broken back fanfic' might be those that explore how Batman copes with the physical and mental challenges after such a severe injury. It could involve his struggle to regain his strength and continue his fight against crime in Gotham.
One popular 'Harry back in time fanfiction' is 'Harry Potter and the Time - Turner Conspiracy'. In this story, Harry uses a time - turner in a rather unexpected way and goes back in time to change some key events in his past. Another great one could be 'Back to the Beginning: Harry's Time Travel Adventure' where he goes back to his early years at Hogwarts to prevent certain tragedies from occurring.
Well, 'Replay' by Ken Grimwood can be considered as a 'back in time novel'. The story is about a man who repeatedly relives his life, going back in time in a sense. And then there's 'Time and Again' by Jack Finney. It's a great one that has elements of time travel back to the past. These novels often explore different historical periods and how the characters interact with the past, which makes them really interesting.
One popular story might be about the sister of Merlin traveling back in time to prevent a great disaster. She could use her unique magic, which is different from Merlin's, to change the course of history.
One popular 'Wheel of Time fanfic' is 'The Black Tower Reborn'. It focuses on the rebuilding and reforming of the Black Tower. Another is 'Aes Sedai in Exile' which tells a story about a group of Aes Sedai who are forced to leave the White Tower and their adventures in the outside world. And 'Rand's Redemption' is also quite liked, as it delves deeper into Rand's journey towards his final destiny and how he overcomes his inner demons.
One popular 'back in time novel' is 'Outlander' by Diana Gabaldon. It takes the main character back in time to 18th - century Scotland. Another could be 'Time and Again' by Jack Finney, which involves time travel back to the past in New York City. And 'The Time Traveler's Wife' by Audrey Niffenegger also has elements of going back in time, although it's more about a complex relationship affected by time travel.
One popular theme is changing historical events. For example, a character might go back in time to prevent a war or save a famous figure from an untimely death. Another theme is exploring relationships in a different time period. This could involve a modern - day character falling in love with someone from the past. Also, self - discovery is a common theme. As the character travels back in time, they learn more about themselves and their place in the world.
In some izuku time travel fanfics, he travels to a different point in time within the MHA world, like a time when quirks were first emerging. Here, he has the opportunity to shape the understanding and use of quirks from the very beginning. He might introduce new ways of thinking about quirks or help create a more inclusive society for quirk - users much earlier than in the original timeline.
It's difficult to say if there are truly 'popular' 'back to diapers fanfic' stories in the traditional sense. Since this is a rather specific and often unusual theme, it's more likely to be something that exists within small, dedicated fan groups. These groups might have their own favorites, but they may not have reached a level of popularity that extends far beyond their own circles. Maybe in some very specific fandoms with a particular taste for this kind of regression - themed fanfic, there could be some stories that are more talked about among those fans.