Another theme could be their career development in the entertainment industry. Since they are both involved in acting, fanfictions might show how they support each other in their respective careers, like Ren helping Kyoko with a difficult role or Kyoko inspiring Ren to take on new challenges. There are also themes related to the challenges they face as a couple in the public eye. Because they are in the entertainment world, they have to deal with things like rumors and paparazzi, and fanfictions might explore how they handle these situations together.
Another option is to join fan communities on social media platforms like Reddit or Tumblr. Fans often share and recommend their favorite fanfictions there. You can post a request asking for good 'tsuruga ren x kyoko' fanfictions and I'm sure you'll get some great suggestions. You might also get some insights into why certain stories are popular among the fans.
Another place to look could be FanFiction.net. However, the availability of such a specific fanfic depends on whether authors have chosen to post it there. It's also important to note that different platforms may have different rules regarding the content of fanfics.
Another plot could involve a mystery or adventure where all three of them are involved. They could be working together to solve a problem that is related to their world, whether it's something in the entertainment industry they are all part of or a more supernatural mystery if the source material has such elements. As they work together, their relationships deepen and change.
Another theme could be career balance. Since both Ren and Kyoko likely have busy careers, fanfictions may explore how they manage their work schedules and still make time for each other. For instance, Ren might have to go on a long filming trip, and the story could be about how they deal with the separation and reunion. It adds a bit of drama and realism to the relationship.
Kyoko is probably depicted as a loving and caring mother. She might use her own experiences from her past to be a great mom. Ren, on the other hand, could be shown as a protective father, using his charm and influence in the acting world to ensure the well - being of his family.
Another theme is conflict. Sometimes the kiss is a result of resolving a major conflict between them. It can be a way to show that they are overcoming obstacles in their relationship.
One popular 'kyoko and ren kiss fanfiction' could be 'Love's Encounter'. In this story, their kiss is a culmination of a long - building tension. It beautifully portrays their complex relationship and the emotions that lead up to that moment.
One common theme is the development of their relationship. Since in the original series their relationship is complex and full of unspoken feelings, fanfictions often explore how they might get closer or overcome obstacles in their relationship. Another theme is career - related. Given that they are both in the entertainment industry, stories might focus on how they support each other in their acting careers.
You can try searching on fanfiction websites like Archive of Our Own (AO3) or FanFiction.net. Just type in 'Ren and Kyoko kiss' in the search bar on those sites, and you might find some great stories.