One common theme is friendship development. Since kita and bocchi are often characters in a story, their friendship might be explored in depth, showing how they get to know each other better over time.
Well, another way to find kita x bocchi fanfic is to check out relevant fan communities. For example, on Reddit, there might be dedicated sub -reddits where fans share their favorite fanfics about this pairing. They may also discuss the plot, characters, and what makes these fanfics so appealing. So it's a good place to start your search.
I'm not sure specifically what this 'isekai ni kita mitai light novel' is about. It could be an isekai story where the protagonist feels like they have come to another world. Usually, isekai light novels involve a character being transported to a different world, often with unique magic systems, strange creatures, and new social structures.
The reign of the king appeared in the first episode of the anime, Little Fox Demon Matchmaker.
While waiting for the TV series, you can also click on the link below to read the original work of " Little Fox Demon Matchmaker " to understand the plot in advance!
In my opinion, 'Reign on Me' isn't a true story. It likely combines imaginative elements to craft an engaging narrative rather than being a direct account of real-life events. Maybe there are some common themes or emotions that can be related to real life, but not the entire story.