There's a fanfic called 'Jealousy's Stirrings'. It delves deep into Naruto's jealousy when it comes to Hinata. The author does a great job of showing how Naruto's feelings for Hinata have grown over time and how his jealousy is a sign of his deeper love for her. It also has some action scenes intertwined with the emotional drama.
One good example could be a story where Naruto is getting a lot of attention from other female characters. Hinata sees this and starts to feel jealous. She might try to be more assertive in showing her feelings for Naruto. For instance, she could start leaving him little gifts or notes to remind him of her presence. Another example could be a situation where Naruto is training with a new female teammate who is very skilled. Hinata's jealousy drives her to train harder herself so she can be at Naruto's level.
You can try fanfiction websites like FanFiction.net or Archive of Our Own (AO3). These platforms have a large collection of Naruto - related fanfictions, and you can use their search functions to specifically look for 'naruhina jealous lemon' ones. Just be sure to read the tags and ratings carefully to make sure it's the kind of story you're interested in.
One popular 'naruhina jealous lemon fanfiction' might be those that focus on Naruto's obliviousness to Hinata's jealousy. For example, in some stories, Naruto accidentally spends too much time with Sakura, which makes Hinata jealous. These fanfictions often explore Hinata's inner turmoil and her growing need to assert herself in Naruto's life.
Another plotline could be that Naruto is completely oblivious to Hinata's jealousy. He's just focused on his own goals and his friendship with Sakura. Hinata, on the other hand, is constantly in turmoil. She might start avoiding Naruto for a while out of embarrassment and confusion. But then Naruto realizes something is wrong and has to figure out what's going on between them, which makes for a very engaging story.
One possible plot could be that Naruto and Hinata start dating. Sakura, who might have some unresolved feelings or just be used to Naruto's attention, starts to feel jealous. This jealousy could cause her stress and headaches as she tries to deal with her emotions. Maybe she sees Naruto and Hinata being affectionate and it makes her realize she lost her chance with Naruto in a way that really hits her hard.
The relationship between Naruto and Hinata could be developed further by them having to deal with Sakura's jealousy. They might initially be confused by Sakura's behavior but then come to understand that she's having a hard time adjusting to their new relationship status. They could try to be more sensitive around her, which in turn strengthens their bond as they face this external issue together.
In some fanfictions, Naruto is completely oblivious at first. He doesn't understand why Hinata is acting strange. He just goes about his day, being friendly as usual. But as Hinata's jealousy becomes more obvious, he might start to notice that something is wrong. He could be confused and try to ask Hinata what's bothering her.
Often, the jealousy Hinata feels acts as a catalyst. It makes her more determined to get closer to Naruto. So, she starts to be more confident around him. Naruto, seeing this new side of Hinata, becomes more interested in her. Their relationship then moves from Naruto just seeing Hinata as a friend to seeing her as someone he could have a deeper connection with.