One good Naruto and Nojiko fanfiction could be a story where Nojiko visits Konoha and meets Naruto. They start off as strangers but gradually become friends as Naruto shows Nojiko around the village, introducing her to his friends like Shikamaru and Sakura. Through this, they learn about each other's worlds and grow closer.
First, you need to know the characters well. Naruto is a determined and energetic ninja with a big heart. Nojiko is strong - willed and has a lot of knowledge about the sea. Then, think of a plot. It could be something as simple as them having a friendly sparring match or a more complex story like they are both searching for a lost treasure. Next, write out the dialogue in a way that reflects their personalities. For example, Naruto might be all excited and use lots of exclamation marks when he talks about a new jutsu he wants to try, while Nojiko would be more calm and practical.