Another theme is the exploration of new worlds. Ritsu might be from a different world or have a different lifestyle than Naruto. This allows for the fanfiction to explore how they each view and interact with the new or different elements in their joined story. It can be really fascinating to see how the two characters adapt and how their worlds collide in these stories.
There's also 'Naruto and Ritsu: A New Alliance'. In this fanfiction, Naruto's determination and Ritsu's special abilities combine to fight a common enemy. It has a great plot that keeps you engaged as it unfolds their story.
A common theme could be friendship development. Since they have an interesting dynamic, many fanfictions might explore how their friendship grows deeper.
Well, 'The Unspoken Love of Ritsu and Masamune' is also great. It delves deep into their unspoken feelings, slowly building up the tension and romance in a very believable way. It shows how their relationship could develop over time with all the little nuances and details.
You can start by looking on popular fanfiction websites like Archive of Our Own (AO3). It has a large collection of various fanfictions, including ritsu x masamune ones.
Love and reconciliation are very common themes. Their relationship has a lot of history and baggage, so many fanfictions focus on them working through past issues to be together.
I'm not sure about specific ritsu x shou fanfiction titles off the top of my head. However, you could also check out fanfiction communities on Reddit or Tumblr. Sometimes fans share their favorite works there, and you might find some great ritsu x shou fanfictions through those communities.
You can try some popular fanfiction websites like Archive of Our Own (AO3). It has a large collection of various fanfictions, including those of takano x ritsu. Just search for the relevant tags and you might find some great lemon fanfictions there.
One popular takano x ritsu lemon fanfiction might be 'Love's Unspoken Words'. It delves deep into their relationship with some really sweet and intense moments. Another could be 'Hidden Desires' which shows a more complex side of their connection.
Many takano x ritsu fanfics explore the theme of acceptance. They have to accept each other's flaws and also accept their own feelings. There's also the theme of career and how it impacts their relationship, as they both have their own professional lives that sometimes interfere with their personal relationship.