Another common theme is the idea of self - discovery. Gray often has to come to terms with his own emotions and his past traumas in relation to his feelings for Juvia. And Juvia also discovers more about herself as she tries to win Gray's heart.
Love is a very common theme. Most of these fanfictions revolve around Juvia's deep love for Gray and Gray's journey in accepting and reciprocating those feelings. It's about the two of them finding their way to each other.
The theme of friendship within their relationship is also prominent. They start as comrades and then their relationship blossoms into something more. So, the fanfictions often explore how their friendship is the foundation of their romantic relationship.
One common theme is unrequited love. Often, Gray's actions or words make Juvia feel that her love is not returned, which causes her pain.
One common theme is the exploration of their relationship's deeper emotions. Since Gray and Juvia have a complex relationship in the original story, fanfictions often delve into their unspoken feelings. Another theme could be the power dynamics between them, considering their different magical abilities.
One common theme is self - discovery. Juvia often realizes that she has been so focused on Gray that she has lost sight of herself. So she embarks on a journey to find out who she really is without him.
One common theme is the unrequited love that Juvia initially has for Gray, and how it gradually develops into a mutual relationship. Another is their adventures together within the Fairy Tail guild, facing various challenges side by side.
One of the most popular themes is friendship. For example, in many fanfictions, Gray, Juvia, and Gajeel start off as just comrades in Fairy Tail. But as the story progresses, their friendship deepens. They learn to trust each other more, like in the fanfiction 'Trust Among Comrades' where they have to face a powerful dark guild together. Their different personalities - Gray's stoicism, Juvia's exuberance, and Gajeel's gruffness - add to the richness of their friendship.
Love is a very common theme. The fanfics often focus on the deep love that Juvia has for Gray and how Gray comes to reciprocate those feelings. It's about their journey towards a romantic relationship.
The theme of redemption can also be present. If a character has made mistakes in the past, like Lyon perhaps in his rivalry with Gray, the fanfic might explore his journey of redemption. Juvia could be the catalyst for this change as she has a big heart and might encourage him to be a better person. And Gray, on the other hand, could be dealing with his own demons, like his past with Ur, and through his interactions with Lyon and Juvia, he finds a way to move forward and heal.
Gray and Juvia are popular in fanfiction because of their complex relationship. Juvia's intense love for Gray and Gray's initially indifferent yet gradually warming attitude create a lot of room for interesting storylines.
Another theme is regret. Gray usually experiences regret for not seeing Juvia's love earlier. This can lead to his attempts to make things right, which adds a lot of drama to the story. For example, in many fanfictions, he tries to win her back in various ways.
One common theme is the exploration of different powers. Since Naruto has his own set of ninja powers and Juvia has her water - based magic from Fairy Tail, fanfictions often play with how these powers interact. For example, in some stories, they combine their powers to defeat a stronger enemy.