Yes, there are many. You can search on fanfiction platforms like FanFiction.net or Archive of Our Own. Just add the keywords 'Naruto', 'Sasuke's sister' and exclude 'lemon' or any adult - related tags. There are often stories that focus on the relationship between Naruto, Sasuke and his sister in a more platonic or adventure - based way.
One good one might be 'Sasuke's Sister: A New Path' which focuses on the sister's journey in the ninja world while also exploring her relationships. It has interesting character development and some unique plot twists.
You should do some research on the Naruto universe. Understand the rules of chakra, the different ninja clans, etc. This will help you make the story more believable. For example, if you want her to have a special ability, it should fit within the existing framework of the Naruto world. Also, think about the relationships she has, not just with Sasuke but with other characters too. You can start with a simple outline of the beginning, middle, and end of the story.
If Sasuke's sister was in the picture, Naruto and Sasuke's relationship might soften more quickly. Naruto would see another side of Sasuke through his sister. He might also feel more of a connection to Sasuke's family. Sasuke, on the other hand, would see Naruto's genuine care for his sister, which could make him trust Naruto more.
Sister Lemon is a fictional character created specifically for this fanfiction. She doesn't exist in the original Harry Potter series. She's likely a character designed by the fanfiction writer to add a new element to the well - known wizarding world of Harry Potter.
The main themes in 'sakura is sasuke's sister fanfiction' are quite diverse. There's often the theme of sacrifice. For instance, Sakura might be willing to sacrifice her own goals or safety for Sasuke. There's also the theme of growth. Both characters would likely grow in different ways as siblings. And of course, the theme of friendship with other characters would be affected too. Their relationships with Naruto and others would change as they are now siblings and that brings a whole new set of dynamics to explore.
Sakura can also be a popular character in these fanfictions. She might be a friend to Sasuke's sister, or there could be some sort of rivalry or cooperation between them. Also, characters from other ninja clans might be involved, like Shikamaru. His intelligence could be used to help Sasuke's sister in strategic situations in the story.
One common theme is protection. The sister often tries to protect Sasuke from harm. Another theme is influence, like how she can shape Sasuke's view of the world. And family bonds are also important, showing their strong connection as siblings.
A great one is 'The Step - Sister Alliance'. This story could be about Sasuke and his step - sister teaming up against common enemies in the shinobi world. Their relationship is based on mutual trust and cooperation, and the fanfiction emphasizes their family - like bond rather than any inappropriate relationships.
There could be a fanfiction where Sasuke and his older adopted sister are involved in a mystery. They start to notice strange things happening in their village. They work together to solve the mystery, using their different perspectives. The sister might be more cautious while Sasuke is more impulsive, which could create some tension and also comical situations in the story.