Love triangles are also a somewhat common theme, not just in the context of their relationship with Cloud but also in relation to other characters. Some fanfictions might introduce new characters and explore how Tifa and Aerith's relationship is affected by new romantic interests. This can lead to complex emotional dynamics, with them having to navigate their feelings for each other, the new characters, and their loyalty to their friends in the story.
A common theme is friendship. Many fanfics explore how Aerith and Tifa, despite their initial differences, become close friends. Another theme is mutual support. They often rely on each other in difficult situations. For example, in some fics, when one is in danger, the other comes to the rescue. And there's also the theme of female empowerment. Together, they show that women can be strong and independent and still have a great relationship.
Another theme is the exploration of their differences. Tifa is more of a fighter, while Aerith has a more spiritual side. Fanfics play with these differences, like in some where Tifa protects Aerith physically and Aerith protects Tifa spiritually.
Love and relationships are common themes. There could be romantic love triangles between Cloud, Tifa and Aerith, or platonic love that shows their deep friendship. Another theme is self - discovery. Each character has their own journey of finding out who they really are. Cloud is often on a quest to understand his true identity, Tifa with her own sense of self in relation to her past and Aerith with her Cetra identity.
One common theme is unrequited love. For example, in some fanfictions, Tifa might feel that Cloud's attention is more on Aerith, leading to her heartache. Another theme is sacrifice. Aerith, knowing Cloud has feelings for Tifa as well, may sacrifice her own feelings for the greater good. Also, the theme of confusion is often present. Cloud himself is often portrayed as being confused about his true feelings for both women. He may love Tifa for their long - standing bond, but also be attracted to Aerith's different qualities.
Another theme is the healing power of their relationship. They both have their own traumas, but together they find a way to heal each other. This is often shown through their conversations, shared experiences, and the way they support one another during difficult times.
One frequent theme is friendship - turned - romance. They start off as comrades or just acquaintances and then gradually develop deeper feelings for each other. There's also the theme of power - combining. Given their individual strengths from their original games, fanfictions may depict them using their powers in unison to overcome great obstacles. It's really interesting to see how authors blend these two characters' traits and storylines.
One common theme is unrequited love. Since their relationship in the original game is not fully explored, fanfictions often play with the idea that one of them has feelings that the other is unaware of at first. Another theme is redemption. Zack might be seen as trying to redeem himself in Tifa's eyes in some stories.
One common theme is the exploration of their unspoken love. In the game, their relationship is complex and full of nuances, and fanfiction often dives deeper into those unexpressed feelings. For example, how they might be secretly in love but too shy or preoccupied to admit it.
I've heard of a fanfic that focuses on their emotional connection. It's called 'Heart to Heart'. In this story, Tifa and Aerith have long conversations that reveal their insecurities and hopes. Through these exchanges, they form a strong bond that helps them both in their fight against the darkness.
You can start by looking on popular fanfiction websites like Archive of Our Own (AO3). It has a large collection of Final Fantasy fanfictions, including those about Tifa and Aerith. Just use the search function and type in 'Tifa x Aerith' to find relevant stories.