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.
In these fanfictions, a common trope is the cultural exchange. Since Naruto and Fairy Tail have different settings and cultures, there are often scenes where characters from one universe are introduced to things from the other. For instance, Naruto characters trying out Fairy Tail guild food. Also, the idea of loyalty and friendship is emphasized. The main character has to earn the loyalty of the harem members, and they all have to work together as friends. And the transformation trope can be seen too, where characters might transform into more powerful forms inspired by both universes.
The 'rivalry turned friendship' trope is also common. Characters from Naruto and Fairy Tail who start off as rivals gradually become friends as they learn more about each other. This is often used to build character relationships and drive the plot forward. Team - up tropes are also quite popular, where characters from both series join forces to face a greater threat.
One popular pairing is Naruto and Lucy from Fairy Tail. Naruto's determination and Lucy's intelligence and magical abilities make for an interesting combination. Another is Sasuke and Erza. Their strong - willed and somewhat aloof personalities can create a lot of tension and potential for character development in the fanfic. And then there's Kakashi and Mirajane. Kakashi's laid - back yet highly skilled nature paired with Mirajane's kind and powerful self can be quite appealing.
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.
A common trope is the 'power - up' trope. In a fanfiction, a character might gain the power of the Rinne Sharingan and use it to become super - powerful in the Fairy Tail world. This could lead to them quickly rising through the ranks of the Fairy Tail guild. Another trope is the 'fish - out - of - water' trope. A Naruto character with the Rinne Sharingan in the Fairy Tail universe would be like a fish out of water, not understanding the magic system at first but gradually learning and adapting.
In many of these fanfictions, a common trope is the 'power of love' trope. It's where their love for each other gives them extra strength or helps them overcome difficult situations. Also, the 'unexpected love' trope is often used. Given their relationship in the original series as more of friends and guildmates, fanfiction writers like to show how this unexpected romantic relationship can develop. There's also the 'shared trauma' trope sometimes, where they bond over a difficult event they've both experienced in the Fairy Tail story.
In Fairy Tail Natsu and Mirajane love fanfictions, a frequent trope is the 'slow burn'. Writers like to gradually build up their relationship over time. It could start with simple glances across the guild hall, and then progress to small conversations. Another common one is the 'love triangle' where either Natsu or Mirajane has another potential love interest in the story, which creates tension and drama. There's also the 'secret admirer' trope where one of them secretly likes the other but is too shy or afraid to admit it at first. This can lead to some really cute and awkward moments in the fanfiction as they try to figure out who the admirer is.
In Naruto gets a male harem fanfiction, the 'fish out of water' trope can be present. Naruto, being his unique self, might be in situations where he's not used to the attention of a male harem. This can create humorous and interesting scenarios. Additionally, the 'redemption arc for some characters' can be related to the harem. A character who was once an antagonist might find redemption through their love for Naruto. They see his goodness and are inspired to change, and in the process, fall in love with him.
In these fanfictions, the 'protector' trope is quite common. The reincarnated male OC feels a strong sense of protectiveness towards the members of his harem. This can be due to his modern - day values or his past - life experiences. Also, the 'unique bond' trope exists. Each relationship between the male OC and a harem member has a special connection, whether it's through shared magic, a common goal, or a deep emotional understanding.
One common trope is the 'accidental encounter'. For example, the male reader might accidentally bump into a female character and that starts their initial interaction which could lead to a relationship. Another is the 'protective male' trope, where the male reader has to protect the female characters in his harem from various threats.
Common tropes in male oc x harem fanfic include the 'accidental encounter' trope. The male OC stumbles upon the harem members in unexpected ways. There's also the 'shared secret' trope, where the male OC and some of the harem members share a hidden truth that bonds them. And the 'clueless male' trope, where the male OC is oblivious to the feelings of the harem members at first, which can create humorous and romantic situations.