One common theme could be the exploration of their relationship in the context of the outertale universe. It might involve how they interact with the unique settings and other characters in that AU.
There could be some. You might want to check out fanfiction websites like Archive of Our Own. However, the availability and quality can vary. Sometimes it takes some searching through different tags and filters to find the really good ones.
Well, 'percy is gaster fanfiction' could be about Percy being in a situation inspired by Gaster. Maybe it's set in the same fictional realm as Gaster. It could be that Percy discovers secrets related to Gaster, like his experiments or his past. The fanfiction might explore how Percy's character is affected by this new knowledge or connection to Gaster. For example, Percy could be on a quest to uncover the truth about Gaster's disappearance or his strange powers.
Well, in 'gaster adopts a human fanfiction', it might start with the human character being in a world that is unfamiliar or dangerous. Gaster, who could be seen as a mysterious and powerful figure, notices the human. He might be intrigued by the human's nature or potential. So, he decides to adopt the human, which could lead to a series of events where the human has to adapt to Gaster's environment, learn about his ways, and perhaps they go on adventures together. It could also explore the relationship between the two, like how the human grows to trust Gaster and how Gaster comes to care for the human as a sort of parental or mentor - like figure.
Yes, there are a few fantasy novels with the theme of musical combat. I recommend them to you:
1. [Yin Ni]: It tells the legendary story of the protagonist gradually growing from a musical soul to a divine sound immortal.
2. "Twelve Movements of the Gods": The main character, Qin Leyin, was a musical genius from Earth. He sang the music of the gods in this continent where there was no magic but only music.
3. "Global Music Cultivation: The Opening Divine Tune": The protagonist, Lin Feng, transmigrated to a parallel world with a cultural fault and used music as a weapon against the alien race.
I hope you like this fairy's recommendation. Muah ~😗
Well, a major theme is the exploration of the unknown. Gaster's nature and his past are often shrouded in mystery in the original source, so in fanfiction, the reader and Gaster might embark on a journey to discover things together. Also, the theme of redemption can be present. Gaster may have some past mistakes or regrets, and the relationship with the reader could be a part of his path to redemption. Additionally, there can be a theme of power imbalance at times, as Gaster might have more knowledge or power, and how the reader deals with that in the relationship is explored.
Well, to find 'percy is gaster fanfiction', start with the major fanfiction platforms. AO3 is a great place. Just use their search function and type in 'percy is gaster fanfiction'. If it exists, it should show up. You can also check out Tumblr. Sometimes, users share links to fanfictions on their blogs. However, the search on Tumblr might be a bit more difficult as it's not as organized as dedicated fanfiction sites.
One possible plot could be about how the pregnancy affects Gaster's relationships with other characters in the fictional universe. Maybe it causes some characters to be more protective, while others are skeptical or even hostile.