A theme that often appears is his connection to the Alola region. Fanfiction writers may describe his exploration of the unique features of Alola, such as the different Pokemon species found there, the local traditions related to Pokemon, and how he uses this knowledge in his work. His role in promoting the Alola region as a place for Pokemon training and study is also a popular topic.
One common theme is friendship. Ash and Professor Kukui often form a strong bond in these fanfictions. Another theme is adventure. They usually go on some sort of Pokémon - related adventure together.
One common theme is their relationship. Many fanfictions explore how they fell in love and their married life. Another theme could be their roles in the Pokemon world, like Kukui's research and Burnet's work, and how they interact with other characters in that context.
You can try fanfiction websites like Archive of Our Own (AO3). It has a large collection of fanfictions on various topics, including those about Professor Kukui. Just search for 'Professor Kukui' in the search bar and you'll get a list of relevant stories.
One common theme is friendship. Ash and Kukui's relationship is often explored in depth, showing how they support and learn from each other. Another theme is Pokémon training. Since both are involved in the Pokémon world, their training methods and experiences are often part of the stories.
One great 'professor kukui and ash fanfiction' is 'The Island Adventure'. It has an interesting plot where Ash and Professor Kukui explore a mysterious uncharted island together. They encounter rare Pokémon and face various challenges along the way. Another one could be 'The Research Project', which focuses on their collaboration in a Pokémon research project at the Alola region.
The theme of change is also prevalent. Whether it's a change in the professor's teaching style, their view of the world, or the overall environment of the school due to the professor's presence. It makes for an interesting exploration of how one character can have a significant impact on the fictional setting.
The relationship between Professor Kukui and Sun in a platonic sense can be interesting because of their different roles. Professor Kukui is a knowledgeable figure, while Sun is more of an adventurer. Their interactions can show a mentorship - like bond which is great for exploring different aspects of the Pokémon world.
There are many fanfic communities out there. Maybe check out some Pokémon - related fanfic forums. Sometimes, fans share their works or know where to find specific pairings like 'professor kukui x sun' in a platonic sense. It might take some digging around, but it could be worth it.
Another theme is redemption. Sometimes Magneto, who is often seen as the more radical one, is shown on a path of redemption, with Professor X guiding him in some way. It could be through understanding and forgiveness, like in some stories where Magneto realizes the error of his more extreme ways.
Another theme is the combination of different mythologies. Since Percy Jackson's world already has a rich base in Greek mythology, fanfictions often bring in other mythologies. For instance, some might incorporate Norse mythology, creating a more diverse and complex world for Percy to navigate as a professor.