One good fanfiction could be 'The Missed Chances' where it delves deep into Juvia's unrequited feelings and how Gray's realization comes a bit too late. It shows their complex relationship through different scenarios and dialogues.
A great fanfiction is 'Too Late to Love'. In this, the author portrays Juvia's heartbreak in a very detailed way when Gray finally realizes his feelings for her are there but it might be too late. It also includes some interesting sub - plots with other Fairy Tail characters.
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.
In many fanfictions where Gray confesses to Juvia, it's often a very emotional moment. It might happen after a big battle where they realize how much they mean to each other. Gray could finally admit his feelings that he has been suppressing for a long time. Maybe he sees Juvia in danger and that makes him realize he can't hide his love anymore.
They have a complex and evolving relationship. At first, Juvia has a one-sided crush on Gray, but over time their bond deepens and becomes more mutual.
A really popular 'Fairy Tail Gray and Juvia fanfiction' is the one that focuses on their post - guild life. After leaving Fairy Tail, they start a new life together. It delves into the small, everyday moments of their relationship, like how they decorate their new home and deal with the neighbors. It gives a really sweet and domestic view of their relationship.
Well, it could make Gray feel an extreme sense of guilt. He might blame himself for not being able to protect her. And this could lead to him becoming more withdrawn and brooding, perhaps even pushing away his friends as he grapples with the loss.
In fanfiction, Gray's love for Juvia can be portrayed in many ways. Sometimes it's a slow - burn kind of love. Gray, who is initially cold towards Juvia, gradually realizes her importance in his life as she is always there for him, through battles and difficult times.
Another great author is 'RainbowMageFan'. This author likes to create unique and exciting plotlines. For example, they might write a story where Juvia and Gray get transported to a magical realm full of strange creatures and they have to find their way back while also dealing with their growing feelings for each other. Their writing style is very engaging.
There's a fanfiction called 'Gray and Juvia: Soulmates'. It delves deep into the idea that they are meant to be together. The story shows how Juvia's presence affects Gray in ways he didn't expect. It also explores how Gray's cold exterior melts away because of Juvia. This fanfiction is full of heart - warming moments and a few action - packed scenes that bring out their characters even more.
Fanfiction.net is another good place. It has been around for a long time and has a vast number of Fairy Tail fanfictions. You might have to do a bit more digging to find the really good Juvia and Gray stories, but there are definitely some gems there. Look for stories with high ratings and positive reviews from other readers.
She might leave due to heartbreak. For example, if she felt that Gray didn't return her feelings in the way she hoped, she could decide to leave to get over him and start anew.