One great Underswap Sans x Reader fanfiction is 'A Swap in Fate'. It has a really engaging plot where the reader character is transported to the Underswap universe and forms a unique bond with Sans. The author does a wonderful job of portraying Sans' personality in this AU.
One great 'Underswap Sans x Chara' fanfiction is 'A Different Bond'. It delves deep into their relationship, exploring how their personalities interact in a unique UnderSwap universe. The story has a great balance of action and character development.
There's also 'Swap Brothers' Bond'. This fanfic delves deep into the brotherly bond between Sans and Papyrus in the Underswap setting. It shows their daily adventures and how they support each other. The author does a great job of capturing the essence of their swapped selves, and it's full of humorous and touching scenes.
The relationship between the reader and Sans should be well - developed. It should start from an interesting point, like an unexpected encounter, and gradually grow. The fanfiction should also have some conflict or challenges for them to overcome, whether it's dealing with other characters in the Underground or some internal struggles.
One great Ink Sans x Reader fanfiction is 'A Colorful Encounter'. It beautifully depicts the unique relationship between Ink Sans and the reader. The story is filled with vivid descriptions that make you feel like you're in the Undertale universe with them.
One great 'sans x reader fanfic' is 'A Glimpse of Sans'. It has a really engaging plot where the reader character is transported to the Undertale world and has a unique bond with Sans. The way the author describes their interactions is both heartwarming and exciting.
A plotline could be that they discover a hidden part of the Underground. This new area could have different rules and strange creatures. They have to adapt quickly to survive and also figure out how this new place relates to the rest of the Underground.
One great sans x reader fanfiction to start with is 'A Skeleton in Your Closet'. It has a really engaging plot that gradually develops the relationship between Sans and the reader. The writing style is easy to follow and it does a good job of capturing Sans' character.
One great idea for a fanfiction could be a story where Underswap Sans and Underswap Papyrus go on an adventure in the Underground. Maybe they encounter a strange new monster that no one has ever seen before. They have to use their unique abilities to figure out how to deal with this new threat.
The contrast between the two characters. Underswap Sans is more laid - back and friendly compared to Underfell Sans who is more rough and edgy. When they interact in fanfictions, it creates a lot of interesting dynamics, like how they might clash or gradually understand each other.
Another theme is friendship or partnership. They often come together to face challenges in the Underground. For example, in many fanfictions, they join forces to defeat a powerful monster or solve a mystery that threatens their world. This theme of unity despite their differences is really appealing.