One common theme is the development of their relationship. It often shows how they gradually fall in love, starting from their initial acquaintance. Another theme could be adventure. They might be on some kind of quest together, which deepens their bond.
Some fanfics focus on the slice - of - life aspect of their relationship. It shows them doing ordinary things like going to school together, having lunch, or just chatting. This gives a more down - to - earth and relatable feel to their relationship. There are also fanfics that deal with the challenges they face as a couple, such as dealing with jealousy from other characters or misunderstandings that they have to work through to keep their relationship strong.
Another theme is the protection of Kyoko by Tsuna. Given Tsuna's growth and strength in the series, fanfictions often depict him as a protector of Kyoko in various dangerous situations, which also helps to strengthen their bond.
Friendship turning into love is a very popular theme. Tsuna and Kyoko usually start with a platonic relationship. As the story progresses, they start to see each other in a new light. Also, the theme of loyalty is there. Tsuna's loyalty to his friends and family extends to his relationship with Kyoko, and vice versa.
One popular 'khr tsuna x kyoko fanfic' could be 'Tsuna's Hidden Feelings'. In this fic, it explores the budding relationship between Tsuna and Kyoko in a really sweet way. It shows how Tsuna, who is usually shy, starts to open up to Kyoko and how their interactions gradually turn into something more than just friendship.
The plot is also crucial. It could be something like a slow - burn romance where their relationship gradually develops over time. Or it could be a story set in an alternate universe that still manages to capture the essence of their relationship. Good fanfics also have good dialogue that feels natural between the two characters.
One common theme is growth. The OC often helps Tsuna grow as a person or vice versa. For example, in some fanfics, the OC has a different way of thinking that makes Tsuna see things from new angles. Another theme is friendship. They start as strangers and develop a deep friendship which may or may not turn into something more romantic. It shows how two different characters can support and care for each other.
One of the main themes is the power dynamic. Hibari is very strong, and Tsuna has his own hidden power. Fanfics often play with how they interact in terms of power. Also, the theme of loyalty can be found. As they get to know each other better, they show loyalty to one another in the face of challenges. And sometimes, there's a theme of self - discovery as they learn from each other.
Overcoming obstacles together is also a frequent theme. They might face external threats or misunderstandings. In some fanfics, there are rival characters who try to come between them, but Tsuna and Haru always find a way to overcome these difficulties and strengthen their bond in the process.
Another theme is growth. Both Yamamoto and Tsuna are characters who can develop a great deal. Fanfics might show Tsuna becoming more confident with Yamamoto's influence, or Yamamoto becoming more serious in certain aspects because of his relationship with Tsuna. It's like they bring out the best in each other. This can be seen in fanfics where they face difficult challenges together and come out stronger on the other side.
Friendship is a common theme. It could be about how Dino and Tsuna's friendship develops and deepens over time. Another theme might be adventure, where they go on some exciting journey together.
Since I don't know the specific 'tsuna and kyoko lemon fanfic', in general, lemon fanfics often contain romantic or amorous elements. It might focus on the relationship between Tsuna and Kyoko, exploring their feelings in a more in - depth way compared to the original work.