One plot idea could be a redemption arc for Underfell Sans. Frisk could be the catalyst for his change, helping him to see a different way of living in the Underground. For example, Frisk might show him acts of kindness that he's not used to, and this could start to break down his tough exterior.
Another interesting plot is a time - travel or alternate - reality scenario. What if Frisk accidentally travels to a different version of the Underfell world and has to rely on Sans to get back? Along the way, they learn more about each other and their respective worlds. This can create a lot of tension and interesting character interactions.
A plot could revolve around an accident that causes their universes to merge partially. Underfell Sans and Sans find themselves in a strange new reality where they have to figure out how to get back to their own universes. Along the way, they learn about the differences and similarities in their lives, and this leads to some really interesting character development.
There are fanfics that focus on the more emotional side of their relationship. For example, a fanfic might explore how Underswap Sans helps Frisk deal with the trauma of their previous Underground experiences. He could use his unique charm and understanding to comfort Frisk, which makes for a really heart - warming read.
Sure. You can check out platforms like Archive of Our Own (AO3). Look for the 'underfell sans x frisk' tag and then filter out the works that are marked as inappropriate or lemon. There are often many well - written, family - friendly fanfics that explore their relationship in different ways, such as adventure - based stories where they team up to face challenges in the Underground.
One popular theme is redemption. Underfell Sans is often portrayed as a more 'evil' or at least morally grey character compared to the regular Sans. So, stories might focus on his journey towards redemption with Frisk's help. Another theme is survival. Given the harsh nature of the Underfell world, they often have to fight for survival together.
A plot idea could revolve around the discovery of the pregnancy. Maybe it was unexpected, and they initially panic. But then, as they start to think about it more, they get excited. They could start making plans like decorating a nursery in their unique Underground home. There could also be a plot where they face some sort of danger during the pregnancy that they have to overcome together.
Sure. There are quite a few. In these fanfictions, the interactions between Underfell Sans and Frisk can be really interesting. For example, they might start off as distrustful of each other since the Underfell world is more hostile. But as the story progresses, they learn to rely on one another. It could be that Frisk's kindness starts to break through Sans' tough exterior in this version of the story.
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.
One popular theme is the complex relationship between Papyrus and Sans. In Underfell, their dynamic can be more intense. Another theme is adventure, where they might go on quests together in the dangerous Underfell world. Also, themes of loyalty and brotherhood often show up, as they support each other in the harsh environment.
It's interesting because both characters have distinct personalities in the Undertale universe. Frisk is often seen as the more innocent and determined one, while Giant Sans has his own charm. When you put them together in a fanfiction, their relationship can be explored in many different ways. For example, how they deal with the challenges that come with their relationship, given their differences. It can also be interesting to see how the author plays with the Undertale lore and incorporates it into their relationship. Maybe there are elements of the Underground world that affect how they feel about each other. There are countless possibilities for the story to unfold, which makes this type of fanfiction so engaging.
The clash of personalities. Underswap Papyrus is usually quite positive and energetic, while Underfell Sans has a more edgy and guarded nature. This contrast can lead to really engaging interactions in the fanfictions.