Yes, there are quite a few. You can start by looking on popular fanfiction websites like FanFiction.net or Archive of Our Own. Just search for 'natsu x layla heartfilia' and you'll find a variety of stories. Some might be more to your taste in terms of writing style and plot development than others.
One common theme is the exploration of a forbidden love, as there could be various reasons in the story's universe that make their relationship not straightforward. Another theme is the discovery of shared secrets or powers that bind them together.
One great Layla Heartfilia fanfiction could be about her early adventures in the Fairy Tail world that haven't been fully explored in the original series. Maybe it delves into her relationships with other guild members before they were as well - known as they are now.
Love and romance are also prevalent. Writers often explore the relationship between Natsu and Layla, how they fall in love, overcome obstacles in their relationship, and grow closer to each other. It could be a slow - burn romance or a more immediate attraction - based one.
One good example could be 'A Chance Encounter' where Natsu accidentally stumbles upon an old relic related to Layla. In this fanfiction, the author explores how Natsu's fiery personality might interact with the mystery surrounding Layla. Another is 'Layla's Legacy' which delves into how Natsu discovers and is influenced by Layla's past deeds and her connection to the magical world.
You can try fanfiction websites like Archive of Our Own (AO3). It has a vast collection of fanfictions, and you can simply search for 'Natsu x Layla' in the search bar. There are likely to be many different stories there with various themes and writing styles.
You can start by looking on some popular fanfic websites like Archive of Our Own. There are often a large number of fanfics related to different characters, and you might be able to find some great Layla Heartfilia fanfics there.
The appeal often lies in the mystery. Layla is a somewhat enigmatic figure, and pairing her with Natsu, who is full of energy and determination, creates an interesting dynamic. Their relationship in fanfiction can explore different aspects of the Fairy Tail universe, like the history of magic.
Another way is to join Fairy Tail fan communities on social media platforms such as Reddit or Facebook groups. Members often share and recommend great fanfictions. You can post a request asking for Layla Heartfilia fanfictions, and you'll likely get some good suggestions. Some of these fanfictions might offer unique interpretations of her character and her role in the Fairy Tail universe.
There are definitely some interesting 'natsu is a dragon' fanfictions. One aspect that some of these fanfictions explore is the mystery surrounding Natsu's dragon form. How did he become a dragon? What are the limits of his dragon powers? These questions are often delved into in these stories. Also, the way his dragon nature affects his relationships with his friends, like Lucy or Gray, can be really engaging to read about.
One interesting aspect could be the exploration of Layla Heartfilia's relationships in a fanfic. For example, it might show her early days and how she met certain characters. Maybe in some fanfics, her magical abilities are further developed in unique ways that are not shown in the original source. It could also delve into her family history and how that shapes her character.