It's a fan - made concept where the worlds or characters of Underswap and Undertale interact. It often features unique storylines that combine the different character traits and settings from both.
One popular 'Overwatch Reacts' fanfiction could be the ones where the Overwatch characters react to different timelines or alternate universes. For example, they might react to a world where the Omnic Crisis was never resolved. Another could be their reactions to new heroes joining the team. It's all about exploring the characters' personalities through these reaction scenarios.
There's a fanfiction named 'Grillby's Sanctuary'. In this story, Underswap Sans stumbles upon Grillby's place and what follows is a story of discovery and connection. The author does a great job of portraying the unique charm of both characters. It shows how Sans, with his laid - back attitude, can find a sense of peace and friendship in Grillby's presence. Also, some fan - made websites and forums are great places to find more Underswap Sans x Grillby fanfictions.
One common theme is redemption. The Underswap characters might try to help the abused reader find a way to heal and move forward. Another theme could be friendship. Despite the difficult situation, new bonds are formed between the reader and the Underswap characters.
Well, they might be really shocked. The RWBY characters are used to their own storylines, and a fanfiction from Cinimssins could be very different from what they know. They could find it either really exciting or completely out of character for them.
Well, usually they focus a lot on the Doctor's reactions and emotions to various situations. The fanfictions might also explore how his character develops in unexpected ways.
One popular one is 'The Swap - Tale Adventure' which has great character interactions. Another is 'Underswap in Undertale's World' which really delves into how the Underswap characters adapt to the Undertale setting.
The relationship could start with suspicion. Frisk, coming from their own world, might not trust this new Chara right away. But as they spend time together, they could find common ground. For instance, if they both have a love for the unique monsters in their worlds. This could gradually lead to a friendship where they rely on each other.
Well, Frisk could be cautious at first. Since Chara in Underswap is different, Frisk might be on guard. However, as they get to know each other, they could become friends. For example, they might share stories about their friends in their respective worlds. Frisk could talk about Sans and Papyrus, while Underswap Chara could talk about their own versions of the characters. Eventually, they could team up to face some challenges in the Underswap world.