What are some interesting plot ideas for a bitty sans fanfic?

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.

To create engaging characters in a bitty sans fanfic, start by giving them unique personalities. For example, one bitty sans could be really brave while another is super shy. Also, give them quirks like one always humming a little tune or another being obsessed with collecting shiny things.

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.

Perhaps there is a scientific experiment gone wrong that turns Sans into a human. He then has to hide his identity from the other monsters while he tries to find a way to reverse the process. In the meantime, he experiences human sensations like hunger and fatigue for the first time, which makes for some comical and also poignant moments in the fanfiction.

One idea could be that the reader is a new arrival in the Underground and Sans is immediately intrigued by their unique personality. He starts to show them around in his own laid - back way, sharing jokes and secrets of the Underground along the way.

One common plotline is the bitty bones sans protecting the reader from various threats in the fictional world. For example, in many stories, there are dark forces or other unfriendly characters, and sans uses his unique abilities to keep the reader safe.

One interesting plot idea could be that Sans uses his mind - reading ability to prevent a major disaster in the Underground. He senses the intentions of a powerful and malevolent force before it can act and is able to rally the other characters to stop it. Another idea is that he reads the mind of a character who is secretly an ally but has been acting strange, and through this he discovers a hidden plan to save the Underground that the character was too afraid to share. Or perhaps he reads the mind of a human who has entered the Underground and discovers their true motives, which are not as bad as everyone initially thought, leading to a different kind of relationship between the human and the monsters.

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.

Well, a plot could involve the reader being a magic user who accidentally casts a spell on Sans that makes him see the reader as his long - lost love. As they interact more, Sans starts to develop real feelings for the reader. Another option is that the reader is a singer in the Underground and Sans is drawn to their music. He starts to attend all of their shows and they gradually get to know each other. A third idea is that the reader is an artist and Sans discovers their art and is fascinated. He asks the reader to teach him about art, and this shared activity brings them closer together.

Well, one interesting plot point could be the clash of different powers. RWBY characters have their unique abilities like Ruby's speed and Crescent Rose, while Sans has his bone attacks and teleportation in the Undertale universe. Maybe there's a moment where they have to team up against a greater threat despite their initial rivalry, which would be a cool plot twist.