I'm not entirely sure as it could be various things. It might be a fan - created story centered around the special version of Pokémon Red. It could feature unique interpretations of the game's characters, new adventures for Red, or different takes on the Pokémon in the Red version.
Fanfiction about Pokemon Special Yellow and Red often explores unique storylines. It might focus on the relationships between the characters in the games. For example, the bond between the Trainer and their Pokemon could be delved into more deeply, showing how they grow together.
Pokemon 1996 Red Fanfiction is special because it gives fans the chance to expand on Red's story. The original games only showed a part of his journey. Fanfiction can fill in the gaps, like his relationships with other characters in more detail, or his thoughts during important events. It can also introduce new elements to the Pokemon world that were not in the original 1996 games but still fit the overall theme. For example, new types of Pokemon battles or unique training methods that Red might have used.
You can try looking on fanfiction websites like FanFiction.net or Archive of Our Own. They usually have a large collection of Pokémon - related fanfics, and there's a good chance you'll find 'pokemon special red fanfic' there.
One common theme is friendship. Just like in the original Pokemon concept, the friendship between the Trainer and their Pokemon is often emphasized. It can be shown through how they support each other in tough situations.
Red and Yellow themselves are often very popular. Red is known for his strong leadership and battle skills, so many fanfictions focus on his adventures. Yellow is also popular because of her unique connection with Pokemon. Pikachu is another character that is often a favorite as it is Red's main Pokemon and has a lot of charm.
The special thing about Pokemon Mystery Dungeon human Red fanfiction is the unique perspective it offers. We get to see the Pokemon world through the eyes of a human, in this case, Red. It can bring in fresh ideas and storylines that the original games might not have explored.
One idea could be a story where Red and Yellow have to team up with their Pokemon to stop a new and powerful villain who is stealing rare Pokemon. Another could be a story about their journey to discover a hidden Pokemon species that is said to have special powers. And they could also face challenges like a natural disaster in the Pokemon world and have to use their skills and Pokemon to survive.
Cynthia could fit into the Pokemon Red world as a visiting expert. Since she's from Sinnoh, she could bring new knowledge about Pokemon training and battling. She might offer tips to the trainers in Kanto on how to better understand their Pokemon's abilities.
In fanfic, it really depends on the writer's preference. However, some Pokemon that are introduced later in the series, like those in Pokemon Gold, might be more popular as they are often seen as more unique or powerful. For example, Togepi is a Pokemon introduced in Gold and it has a cute appearance and interesting abilities, which makes it a popular choice in fanfic.