One common theme is the power combination. Since Naruto has his ninja powers and Fairy Tail characters have magic, seeing how these powers interact and combine in the harem scenario is often explored. For example, Naruto might use his shadow clone jutsu in a new way with the help of Fairy Tail magic.
Yes, there are likely some out there. You can start by looking on fanfiction websites like FanFiction.net or Archive of Our Own. Just search for the relevant tags like 'Naruto', 'Fairy Tail', and 'harem' to find such fanfictions.
One common trope is the power - up. The main character, often from Naruto's world, might gain new and unique powers from the Fairy Tail universe. For example, they could learn Fairy Tail magic on top of their ninja skills. Another trope is the relationship building. In a harem setting, the main character forms deep bonds with multiple characters from both series. There's usually a lot of comical misunderstandings among the characters in the harem as well, like when a character misinterprets a friendly gesture as a romantic one.
Erza from Fairy Tail could also be a main character in this type of fanfiction. She is strong, independent, and has a complex personality. In a Naruto x Fairy Tail crossover, she could form a harem of her own, with Naruto characters being attracted to her strength and Fairy Tail characters having their own relationships with her. Her leadership skills and magical abilities would play an important role in any story that unfolds.
One great 'Fairy Tail Natsu x Harem' fanfiction is 'A New Adventure'. It has an interesting plot where Natsu finds himself in various unexpected situations with the harem members. The character development is well - done, especially how Natsu's relationships with each of the harem characters evolve over time.
One common theme is the power - up. Naruto, already a powerful character in his own series, often gains new powers or enhances his existing ones in the Fairy Tail world, which attracts the female characters. Another theme is the sense of adventure. They embark on quests together, which brings them closer and forms the basis of the harem relationships.
One popular Naruto and Fairy Tail harem fanfiction is 'Naruto in the World of Fairy Tail'. It combines the unique powers and characters from both series in an interesting way. The story often has Naruto interacting with the Fairy Tail guild members and developing relationships with some of the female characters from both universes.
In Naruto and Fairy Tail harem fanfiction, the settings often blend in fascinating ways. The different magic types from Fairy Tail and the ninja techniques in Naruto can be combined in battles. This not only makes for exciting fight scenes but also showcases the creativity of the fanfic writers. Also, the harem aspect can introduce a lot of character development. Each character in the harem has their own backstory and personality, and as they interact with the main character, they grow and change, adding depth to the story.
One popular 'Naruto and Fairy Tail harem fanfic' is 'Naruto in the Land of Fairy Tail'. It combines the unique elements of both universes quite well. The story has Naruto interacting with the Fairy Tail characters in an interesting way, and the harem aspect is developed gradually as he forms bonds with different female characters from both series.
The fanfic usually has a lot of action scenes that blend the fighting styles of both Naruto and Fairy Tail. Regarding the harem, it can lead to some really interesting relationship building. Different female characters from both series can have their own reasons for being attracted to the main character, like Naruto's determination and power. This creates a web of relationships that is fun to explore.