The theme of secrecy also often appears. Given the nature of their relationship in the context of the yaoi genre, they may have to keep their relationship a secret from others in the military or the alchemy world. This can add a layer of tension and drama to the fanfiction stories.
At first, Edward might be a bit resistant to Roy's attempts at adoption. But as time goes on, Roy shows his care and concern for Edward. He helps Edward with his problems, like dealing with the homunculi or his own self - doubt. Edward then starts to rely on Roy more, and their relationship deepens into a strong bond of family - like love.
One great 'Edward Elric and Roy Mustang Fanfiction' is 'The Alchemist's Path'. It delves deep into their relationship as they work together on a dangerous mission. The story shows how their different personalities, Edward's impulsiveness and Roy's calculating nature, complement each other. Another good one is 'Flames of Brotherhood'. It focuses on how they gradually come to respect and trust each other more over time. There are some really heart - warming moments in it.
There's this fanfiction called 'Flames and Metal'. It shows how Roy and Edward, with their different skills and personalities, learn to rely on each other. It has a lot of action scenes that are really exciting and it also develops their friendship in a unique way.
Fanfiction.net might also be a good place to find 'roy mustang x edward elric yaoi fanfiction'. However, the site's search functionality can be a bit tricky sometimes. You may need to use more specific keywords like 'roy mustang edward elric yaoi' to narrow down your results. Keep in mind that the quality of fanfiction can vary greatly on this site.
One popular theme is friendship development. Many fanfictions focus on how Edward and Roy Mustang start off as distrustful of each other and gradually become friends. For example, stories might show them working on a project together and slowly realizing they have more in common than they thought. Another theme is power dynamics. Given Roy's position in the military and Edward's unique alchemical abilities, exploring who has more influence in different situations is quite common.
One aspect of Edward Elric x Roy Mustang fan fiction could be the exploration of their unique relationship dynamics. Given their different personalities in the original series, fan fictions might focus on how they complement each other. For example, Edward's impulsive nature and Roy's more calculating approach could create interesting scenarios.
One interesting scenario could be Roy Mustang teaching Edward Elric more about military politics. Since Mustang is well - versed in that area and Edward, being young and brilliant, could learn a great deal. Another could be Mustang helping Edward deal with the emotional aftermath of his alchemy - related traumas. Edward might open up to Mustang in a father - son type of relationship and start to heal.
The theme of trust is crucial in these fan fictions. Given their different positions and goals, they need to trust each other fully. Fan fictions often explore what could break that trust and how they can repair it. For instance, if Edward discovers Roy has been keeping secrets for the sake of the military, it could lead to a rift in their relationship that they have to overcome.
You can try Archive of Our Own (AO3). It has a large collection of fanfictions, and there are many well - written ones about Roy Mustang and Edward Elric. You can search by tags and ratings to find the ones that suit your taste.