Another possible plot is a story set in an alternate universe. In this universe, Akai, Conan and Amuro are part of a special task force that protects the world from supernatural threats. They have to face off against a powerful sorcerer who is using dark magic to cause chaos. Each of them would bring their own unique skills to the fight, with Akai's physical strength, Amuro's strategic thinking, and Conan's quick thinking and ability to analyze the situation.
A plot could be about a time - traveling adventure. Somehow, they get sent back in time to a crucial point in the history of the criminal underworld they are fighting against. There, they have to change certain events to prevent a future catastrophe. Akai could use his knowledge of the past to blend in, Amuro could use his ability to adapt quickly, and Conan would be the one to figure out the exact events that need to be altered.
Perhaps a story where they are all framed for a crime they didn't commit. They have to work together to clear their names while also uncovering the real culprit. Akai's experience in dealing with false accusations would come in handy, Amuro's connections in the police force could provide some leads, and Conan's deductive reasoning would be essential in piecing together the truth.
One idea could be a mystery-solving adventure where Akai, Conan and Amuro team up. They could be on the trail of a criminal organization that has ties to all their past cases. Conan uses his brilliant mind, Akai his combat and espionage skills, and Amuro his undercover abilities to work together and solve the mystery.
One common theme could be friendship. Since they are two characters, the fanfic might explore how they become friends, what they do together, and how their friendship grows. Another theme could be rivalry. They might be competing in some way, either for a job, a mission, or something else within the context of their story world.
I'm not sure about a specific 'akai x amuro fanfic' off the top of my head. You could try searching on fanfic websites like Archive of Our Own. They have a large collection of fan - created works and you might be able to find something related to akai and amuro there.
One common theme is rivalry. Given their characters, they might be depicted as rivals in different aspects, like in combat or in achieving certain goals within the story's setting.
A possible plot could be that Sinbad and Proteus are both vying for the same position in their kingdom. This creates a lot of tension between them as they both have different ways of approaching leadership. However, as the story progresses, they realize that they can achieve more by working together.
In addition, the fan community plays a big role. When some fans start writing good 'akai amuro fanfic', others get inspired. There is a sense of community sharing and building. People like to discuss these fanfics, recommend them to others, and this creates a cycle that further promotes the popularity of 'akai amuro fanfic'. Also, the availability of platforms like fanfiction.net, Tumblr, and AO3 makes it easier for fans to share and access these fan - made stories, thus contributing to their popularity.
Maybe they enter a Pokémon tournament where the rules are very different from what they're used to. They have to adapt quickly and use their combined knowledge to win. This would test their relationship and their skills as trainers.
Perhaps in the fanfiction, there's a plot where Misaki has planned a special activity for Usui during the honeymoon, like a picnic in a secluded meadow. But things don't go as planned at first, like it starts to rain. However, they make the best of it and end up having a really romantic time anyway, huddled under a big umbrella and sharing stories. This would show their ability to adapt and enjoy each other's company no matter what.
Maybe they decide to have a little competition within the Phantomhive manor. Like who can clean a certain area faster or take better care of the garden. This friendly rivalry could lead to some humorous situations and also strengthen their bond as they respect each other's skills more in the end.
Imagine a world where Digimon are starting to appear in the human world in large numbers. A human girl befriends a female Digimon. They form a girl - power duo, fighting against those who want to use Digimon for evil purposes. They also explore the concept of sisterhood across species, with the human learning about the Digimon's culture and the Digimon learning about human emotions and relationships. Their story could be full of adventures, self - discovery, and standing up for what they believe in.