Some fanfictions explore the theme of loyalty. They might face situations where they have to choose between each other and something else, like a different team or a personal ambition. And the way they handle that, staying loyal or having to work through a moment of doubt, is a common plotline. Also, the theme of discovery, like finding out new things about each other that they didn't know before, can be quite prevalent in these fanfictions.
Another possibility is that his Kekkei Genkai gives him the power of telepathy on a much larger scale. Not only can he communicate with others mentally, but he can also influence their thoughts and actions to a certain extent. This could add a whole new layer of intrigue to the story, especially in political or strategic situations where mind control or persuasion could be crucial.
A common theme is friendship development. Ranmaru and Reiji have different personalities, and fanfictions often explore how they become friends and support each other. Another theme could be music - related. Since they are in the Uta no Prince Sama universe, they might collaborate on music projects in the fanfictions.
Yes, there are many. You can find them on popular fanfiction websites like Archive of Our Own. Just search for 'uta no prince sama ranmaru x reader' and you'll get a list of various stories with different plots and writing styles.
One common theme is romance. Writers often explore the relationship between Ranmaru and the reader, from the initial attraction to deeper love. Another theme could be music, since it's an important part of the 'uta no prince sama' world.
It might isolate him. If his Kekkei Genkai is very powerful and different, others could be afraid of him. For example, if he has the power to see into people's souls, it could make people uncomfortable and they might avoid him.
I'm not sure about specific shindou takuto x kirino ranmaru fanfiction titles off the top of my head. However, you could try looking on fanfiction.net as well. Maybe start by using the search bar and typing in both of their names. Look through the summaries of the stories that come up to see if they match what you're looking for in terms of the relationship between the two characters.
Well, you can start by looking on popular fanfiction websites like Archive of Our Own. Just search for 'uta no prince sama ranmaru x reiji' there, and you'll likely find a variety of fanfictions. Some might focus on their relationship development, perhaps starting from their initial encounters in the Uta no Prince Sama world and how they gradually grow closer over time.