What are some interesting Undertale Reader Fanfiction stories?

One interesting 'undertale x reader fanfiction' could be the ones where the reader is transported into the Underground and has to form alliances with the different characters like Sans or Papyrus. It often involves a lot of character development and unique plot twists.

Some popular themes include friendship development between the Reader and various Undertale characters. For example, the Reader might form a deep bond with Sans, and they go through different adventures in the Underground together. Another theme could be self - discovery, where the Reader learns more about themselves through their interactions in the Undertale world. There's also the theme of redemption, where the Reader helps a character who has made mistakes in the past to become a better version of themselves.

Well, there's 'Sans and the Reader: An Unlikely Bond'. In this story, it begins with the reader being a bit afraid of Sans at first, but as time passes, they discover his true nature and form a really deep connection. There are also some humorous ones like 'The Prankster Sans and the Reader' where Sans plays all sorts of pranks on the reader, but it's all in good fun and eventually leads to a closer relationship.

There could be a fanfiction where Frisk gets pregnant in a strange and unexpected way in a unique AU. Maybe it involves some magical elements that are specific to the Undertale world. This could lead to a story of self - discovery and growth for Frisk as they navigate the new situation.

One interesting story could be about the characters' reactions to different timelines. For example, Sans might react in a unique way when faced with a timeline where everyone is overly aggressive. Another could be the reactions of the monsters to human technology that they've never seen before, like a smartphone. And there could also be stories about how the characters react to fan - made scenarios, such as a 'what if' situation where Asriel didn't turn into Flowey.

There are fanfictions where Gaster is reunited with the other characters in unexpected ways. For example, a story could have him reappear during a crucial moment in the Underground's history and use his knowledge to change the fate of everyone. It could be really exciting as it might bring new plot twists and character developments.

One interesting undertale lemons fanfiction could be those that explore unique character relationships. For example, stories that focus on the friendship between Sans and Papyrus in a new and creative way. Another could be ones that give a different take on the Underground world, like how the monsters interact with each other in daily life.

One interesting undertale dragon fanfiction could be about a dragon character in the undertale universe who befriends the main protagonist. This dragon might have unique powers that help in the journey through the Underground.

One interesting fanfiction could be about Sans and Frisk going on an adventure in an alternate Underground. In this story, they might encounter new monsters and have to solve different puzzles together.

One interesting undertale baby bones fanfiction could be about his growth and development in the underground world. Maybe it shows how he learns to use his powers at a young age.