Love triangles are a very common theme. Sasuke is often at the center of the attention of both Sakura and Karin, which creates a lot of tension and drama.
One common theme is the exploration of unrequited love. Sakura's love for Sasuke is well - known, and when he leaves her for Karin, it delves into the pain of unrequited love from Sakura's perspective. Another theme is the idea of choosing based on power and usefulness. As Karin has certain powers that can be of help to Sasuke, it shows a theme of practicality in relationships.
I don't have specific knowledge about the common themes in 'karin x sakura lemon fanfic' as it depends on the creativity of the writers. But friendship or adventure could be possible themes.
A common theme is redemption. Sasuke has a complex past, and many fanfics focus on how Sakura helps him find redemption and come back to the side of good. Another theme is love conquers all. Despite all the hardships and differences between them, their love is shown to be strong enough to overcome any obstacle.
The theme of sacrifice is quite common. Sakura has always been willing to sacrifice for Sasuke, and this is often highlighted in fanfics. Another theme is the power of second chances. Sasuke getting a second chance at life in the village and with Sakura is a frequent plot point. Also, the theme of healing. Both of them have emotional scars, and fanfics often deal with how they heal each other's wounds.
One common theme is redemption. Sasuke has made many mistakes in the past, and fanfics often explore how he can redeem himself in Sakura's eyes and in the eyes of the village. Another theme is love conquers all. Despite all the hardships they've faced, their love is shown to be strong enough to overcome any obstacle.
Love and relationship are very common themes. Most fanfics explore how Sasuke and Sakura's relationship develops over time, whether it's a slow - burn romance or a more immediate connection.
Well, it could be a story about their complex relationships. Maybe it shows how they interact in a post - war Naruto world. Sasuke might be in the middle of Sakura's love and Karin's lingering feelings for him.
The theme of cooperation also pops up a lot. Since they have different abilities, fanfictions often explore how they can work together. For instance, Sakura's knowledge of herbs and healing combined with Karin's knowledge of the chakra flow can lead to some interesting storylines where they solve problems or face enemies as a team.
One common theme is redemption. Sasuke often has to atone for his past actions and in the process, his love for Sakura grows. It shows that love can be a force for change.
Love and redemption are very common. Sasuke has made a lot of mistakes in the past, and in fanfics, Sakura's love often serves as a catalyst for his redemption. For example, in many stories, Sasuke realizes the value of home and family through Sakura's love.