In the Fairy Tail universe, a lot of relationships develop through acts of self - sacrifice. Maybe Fem Natsu risks her life to save Laxus from a powerful spell. This act makes Laxus realize the depth of her feelings for him and makes him re - evaluate his own feelings towards her. Then, they start to have deeper conversations about their values, dreams and slowly build a relationship based on mutual understanding and trust. This would be a realistic way for their relationship to develop as it aligns with the themes of friendship and loyalty often seen in the Fairy Tail series.
Their relationship could develop realistically through shared experiences. For instance, if they both have to protect a young mage from a common enemy. This shared responsibility would force them to communicate more, understand each other's strengths and weaknesses, and gradually form a bond.
First, start with their friendship. They are both members of Fairy Tail, so they would interact often. They could share their love for the guild and gradually start to understand each other on a deeper level.
To develop Female Natsu's personality, you could show her trying to fit into the Fairy Tail guild in her own way. She might be a bit more sensitive about how others perceive her as a female version of Natsu. Laxus could be developed by showing his softer side more. He might start to open up to Female Natsu about his dreams and fears. Their personalities could also develop through their arguments. For instance, when they disagree on a mission strategy, it can lead to a deeper understanding of each other's perspectives.
Realistically, their relationship could start with mutual respect. Juvia respects Natsu for his strength and his loyalty to the guild. Natsu respects Juvia for her skills. Then, they could start working on more missions together. During these missions, they would see each other's flaws and strengths up close. For example, Natsu might see Juvia's over - the - top love for Gray as a sign of her loyalty, and Juvia might see Natsu's impulsiveness as part of his charm. As they get to know each other better, they could start having deeper conversations about their pasts and their dreams. This would gradually lead to a change in their feelings for each other.
In some fanfictions, Natsu might be developed as more of a strategist than in the original series. He could learn from Laxus' more calculating approach to battles. Laxus, on the other hand, might be shown to be more open - hearted, influenced by Natsu's warmth and loyalty to the guild.
Their relationship could be developed uniquely by having them start as rivals in a magical competition within the guild. As they compete, they learn about each other's strengths and weaknesses, and a mutual respect forms. This respect then turns into an unexpected friendship that eventually grows into love.
A plot could involve Fem Natsu accidentally using her magic in a way that affects Laxus in an unexpected manner. For example, her fire magic could trigger some latent power in Laxus, and as they figure out what's going on, they become closer. This could also lead to some interesting training sessions between them as they try to control this newfound power connection.
Their relationship can be developed through shared battles. For example, in a tough fight against a strong guild from another town, they rely on each other. Natsu protects Erza when she's in a vulnerable state during a requip, and Erza in turn uses her strategic mind to guide Natsu's brute force attacks. This mutual dependence can strengthen their bond.
In some fanfictions, their relationship develops through competition. They might compete in a guild - wide tournament. Laxus, with his powerful lightning magic, and Cana, with her card - based magic, face off. Through this competition, they start to respect each other's skills and that leads to a deeper connection.
Their relationship could develop realistically through shared experiences. For example, if they both face a situation where they are outcast by the human and ghost worlds alike. This would make them rely on each other for support, slowly building a connection.
Their relationship could develop through a shared love for a certain type of magic. For example, if they both find an ancient and powerful magic that only they seem to understand, it could bring them closer. They start sharing their knowledge and experiences related to this magic, which deepens their bond.