One common theme is unity. Since they are both important figures in the android revolution, fanfics often show them uniting their forces. For example, in many stories, they work together to lead other androids against human oppression.
There's often the theme of discovery. Gavin discovers new aspects of himself and his views on androids through his connection with RK900. And for RK900, he might discover emotions or a sense of self that he wasn't initially programmed to have. Also, the theme of trust is common. They have to learn to trust each other in a world where humans and androids are in a complex relationship.
First, know the characters well. Study Connor's personality, his mannerisms, and his story arc in Detroit: Become Human. For the reader character, decide on their traits and how they'll interact with Connor. Then, come up with a plot. It could be a love story, an adventure they go on together, or something else. Don't forget to add some emotional depth to the relationship.
One great 'dbh Connor x Markus fanfic' is 'Bonds of Deviancy'. It beautifully explores their relationship as they navigate the complex world of androids. The story delves deep into their characters, showing how they support and understand each other in the fight for android rights.
I'm not sure about specific titles off - hand, but you can also join Detroit: Become Human fan communities on platforms like Reddit or Discord. There, fellow fans can recommend their favorite dbh gavin x rk900 fanfics. They might be able to point you towards some hidden gems that you wouldn't find easily through general searches.
Dbh crossover fanfiction is basically fan - created stories that combine the world or characters of Detroit: Become Human (dbh) with elements from other franchises. It can be really interesting as it allows fans to explore new scenarios and relationships. For example, a crossover might bring dbh characters into a Star Wars setting, or mix them with characters from a popular anime. It gives a whole new dimension to the original dbh story and characters.
Some popular ones might be those that explore the relationships between the main characters like Connor, Markus and Kara in different scenarios. For example, stories where they team up in unexpected ways to fight for android rights in a more complex and detailed setting than in the original game.
I really like 'The Wounded Path of Connor' which can be found on Archive of Our Own. It shows Connor dealing with physical and emotional hurt in a post - deviant world. The story is full of heart - wrenching moments and his journey towards healing is beautifully written.
You can try fanfiction platforms like Archive of Our Own (AO3). It has a vast collection of 'Connor x Reader' Detroit: Become Human fanfics. Just use the search function and type in 'Connor x Reader DBH' and you'll get a bunch of results. Some of them are really well - written and explore different aspects of the relationship between Connor and the reader.
One great fanfiction is 'A New World for Us' which beautifully explores the relationship between Connor and Markus. It delves deep into how they work together to change the world for androids. Another good one is 'Bonds Beyond Code' where their friendship turns into something more. It shows their emotional connection in a really engaging way.