Some fanfictions might also explore the personal lives of Fin and the reader more deeply. For example, how they deal with the stress of their jobs outside of work, or how their different backgrounds affect their relationship. There could be themes of family, friendship, and loyalty intertwined with the romantic relationship between them. These themes add depth to the fanfictions and make them more engaging for the readers.
You can try fanfiction websites like Archive of Our Own (AO3). It has a large collection of Law and Order fanfictions, and you can specifically search for 'Fin x Reader' ones using the search bar. Just type in the relevant tags and browse through the results.
One common theme is the exploration of justice. The reader character often gets involved in cases that test the boundaries of what is right and wrong in the legal system. Another theme is power dynamics. In a legal setting, there are hierarchies and the reader may be at the bottom trying to make their way up. Also, romance is quite common. Falling in love with a lawyer or a legal colleague while dealing with legal matters is a frequent plot point.
One common theme could be the struggle of the character to balance their work in law enforcement or the legal field with their pregnancy. Another might be the reactions of their colleagues and how they support or sometimes create challenges for the pregnant character.
Romance is also very prevalent. It could be a slow - burn romance where Law and the reader gradually fall in love over time. There might be moments of shyness, misunderstandings, and then finally confessions of love.
One common theme is the clash of two different legal systems. The magical and the Muggle law systems often come into conflict or have to work together. For example, in some fanfics, a crime occurs that involves both wizarding and Muggle elements, and they need to figure out which laws apply.
Another theme is the exploration of new relationships. Characters from different shows meet and form friendships or rivalries. It can be really interesting to see how personalities mesh or clash. Also, there's often the theme of a greater conspiracy that spans across the shows' universes, which forces the characters to work together to solve it.
The redemption of some of the characters involved in organized crime. Maybe a criminal having a change of heart and helping the police. Also, the exploration of the complex relationships within the organized crime groups, like loyalty, betrayal, and power struggles. These are often common themes in 'law and order organized crime fanfiction'.
In 'Law x Reader' fanfiction, a frequent theme is the power dynamic. Law has a certain level of power and authority as a pirate captain and a doctor. Writers often play with this dynamic in relation to the reader. There's also the theme of mystery. Law has a mysterious past and personality, and fanfictions may focus on the reader trying to uncover his secrets. Additionally, the theme of loyalty comes up, especially when the reader is part of Law's crew or has a close relationship with him.
A recurring theme is trust. Given their line of work, stories often center around how they build and maintain trust in each other. Also, there can be themes of redemption, especially if one of the characters has made a mistake. The other character then helps them through it, which is quite common in Benson x Lewis fanfiction.
One common theme is the development of a romantic relationship between Carisi and the original character. Writers often explore how their different personalities interact in a romantic context.