Well, obviously Naruto and Sayuri Uchiha are the main characters. Naruto is the energetic and determined ninja from the Hidden Leaf Village. Sayuri Uchiha is a character created for the fanfiction, who is likely to be an Uchiha with her own set of skills and personality traits.
There might be a fanfiction where Sayuri Uchiha is a time - traveler. She travels back in time and meets a young Naruto. Together, they try to change the future of the Uchiha clan by preventing the massacre. This involves a lot of character development for both of them as they face numerous challenges along the way. For example, they have to convince the Uchiha elders to trust them and not go through with their plans of overthrowing the village leadership. They also have to be careful not to disrupt the timeline too much, which makes for a very engaging plot.
It might begin with a rivalry. Sayuri could be a very skilled shinobi and initially see Naruto as a bit of a show - off. But as they are forced to work together on missions, they start to see the good in each other. Naruto's determination and Sayuri's intelligence would complement each other, leading to a gradual shift from rivalry to respect and then to love.
Another option is a new, mysterious character who has a connection to an ancient evil. This character sees Sayuri Uchiha as a key to unlocking some dark power and Naruto as the one who will try to stop it. So, this character tries to either manipulate Sayuri or get rid of Naruto to achieve their evil goals.
Perhaps Sayuri Uchiha has a unique ability that Naruto discovers. For example, she can manipulate time on a very small scale. This ability becomes crucial when they are trapped in a genjutsu - created time loop by an enemy. Naruto, with his never - give - up attitude, and Sayuri, with her time - bending skills, work together to break free from the loop and turn the tables on the enemy.
Perhaps a plot where Sayuri Uchiha and Naruto go on a journey together to discover a long - lost Uchiha secret. Along the way, they face various challenges and their bond grows stronger as they overcome them. They might also encounter other characters from the Naruto universe who either help or hinder their quest.
There could be a fanfiction where Sayuri is a new student in Naruto's class. Naruto, being the friendly and outgoing person he is, decides to show her around the village. This could lead to a budding friendship and they might end up training together to become stronger ninjas. As they train, they start to understand each other's dreams and fears more deeply.
Typically, in a 'naruto x sayuri lemon fanfiction', there would be a focus on the relationship between Naruto and Sayuri. The 'lemon' aspect might imply some romantic or even slightly more adult - themed interactions, but this should be within the boundaries of fan - created content. It could also explore how their personalities interact, with Naruto's energetic and determined nature and Sayuri's own unique traits.
You can try fanfiction websites like FanFiction.net or Archive of Our Own (AO3). They have a large collection of fan - created stories, and you might be able to find some great 'naruto sayuri fanfiction' there.
One good 'naruto sayuri fanfiction' could be the one where Sayuri is a new ninja in Konoha and Naruto helps her train. They form a unique bond during the process and face challenges together.