One common theme is the idea of two broken souls finding solace in each other. Both Naruto and Gaara had difficult pasts, and in these fanfictions, their marriage is often a way for them to heal and grow together. Another theme is the melding of their two different worlds. Konoha and Suna have different cultures and values, and their relationship has to navigate through that.
One interesting aspect is the exploration of different character dynamics. Since Naruto and Gaara have such distinct personalities, seeing how they interact as a married couple can be really engaging. For example, Naruto's ability to befriend and bring out the best in people could have a profound impact on Gaara.
There's 'The Sand and the Leaf's Union'. This fanfic focuses on the political implications of their marriage. It shows how the two ninja villages, Suna and Konoha, start to collaborate more closely as a result of Gaara and Naruto's relationship. The story also has some really sweet moments between the two characters, like when they go on secret dates in the forest between the two villages.
One common theme is the idea of acceptance. Both Gaara and Naruto have had difficult pasts with not being fully accepted in their villages at times. In these fanfictions, their marriage represents the ultimate acceptance of each other, flaws and all. For example, Naruto accepting Gaara's once - violent past and Gaara accepting Naruto's impulsive nature.
Sakura might be a bit surprised at first. She has always seen Naruto as a friend, but she would quickly come to support him. She knows how much Naruto values his relationships, and if he has found love with Gaara, she would be happy for him. Kakashi would be very accepting. He has always believed in Naruto's judgment and would see this as another step in Naruto's journey to change the ninja world. Shikamaru would probably be the one to think about all the political implications but in the end, he would also support it as he trusts Naruto.
The fanfiction could focus on their daily life after marriage. Naruto might teach Fem Gaara some of his signature jutsus, like the Rasengan. And Fem Gaara could show Naruto the secrets of controlling sand. They could also face challenges together, like dealing with enemies who don't want to see the two villages united. In terms of their relationship, it could be a slow - burn romance. At first, they might just be friends getting married for the sake of their villages, but as time passes, they discover their true feelings for each other through small moments like sharing a meal or taking care of a wounded shinobi together.
I really like 'The United Path'. In this fanfiction, Fem Naruto and Gaara's marriage is a political move at first, but then they gradually fall in love. It has great character development for both of them. For example, Fem Naruto helps Gaara become more open and sociable, while Gaara gives Fem Naruto a sense of stability and understanding that she didn't have before.
One popular fanfiction with this theme might be 'The Union of Two Hearts'. It delves into how their relationship develops over time, with Naruto being a female in this alternate universe. It shows how they support each other through various challenges in the Hidden Leaf Village and Suna.
One possible plot could be that after many battles and shared experiences in the ninja world, Naruto and Gaara start to develop deeper feelings for each other. They realize that their understanding of each other's pain and their mutual desire for peace in the shinobi world is the foundation of their relationship. Naruto, with his always - positive attitude, helps Gaara open up even more, and they decide to get married as a symbol of the new unity between their villages. Their marriage could also face opposition from some traditionalists in the ninja world, but they overcome it with their strong bond.
Well, their life could be full of mutual understanding. Naruto, with his sunny and determined nature, would bring warmth and energy into their relationship. Gaara, having overcome his dark past, would be a more reserved yet deeply caring partner. They might have a home in Konoha, and Naruto would often introduce Gaara to his friends. Gaara, in turn, would share his knowledge of desert survival and sand techniques with Naruto's friends. Their marriage would also be a symbol of unity between the Leaf Village and the Sand Village, strengthening the bond between the two.