Many fanfictions explore Naruto's discovery of his mother Kushina's love. Since he grew up without her, when he finally learns about her through memories or other means in fanfictions, it creates a deep emotional impact. The love can be shown as something that gives Naruto more strength and purpose. For example, in some stories, he realizes how much she sacrificed for him and it makes him even more determined to protect the village she loved.
Fanfiction writers often play with the idea of Naruto and Kushina having more time together in some alternate universe. They might write about Kushina being able to raise Naruto, and how their relationship would develop. It would be filled with her teaching him about the Uzumaki clan, and Naruto growing up with a mother's love. This kind of fanfiction gives readers a sense of what could have been and how different Naruto's life might have been with his mother around.
The romance in fanfiction between Naruto and Kushina is often about filling in the gaps of what could have been. Since Kushina died when Naruto was born, in fanfiction, they can have a relationship that they were denied in the original story. It might involve Kushina seeing Naruto grow up, falling in love with his determination and big heart. And Naruto, in turn, could discover a different side of his mother, one that is more than just the strong - willed Jinchuriki he always heard about.
Fanfiction can explore their relationship by delving into their unfulfilled time together. For example, showing how Minato and Kushina would have raised Naruto. It could also explore their shared experiences, like how they all have a connection to the Nine - Tails. Maybe in fanfiction, they have family adventures where Naruto learns from his parents' skills and wisdom.
In a fanfiction, Naruto discovers old letters from Kushina that were hidden away. As he reads them, he gets to know a more personal side of his mother and feels an even stronger bond of love towards her. It's a story of connection through words and memories.
In a fanfiction, perhaps Kushina was able to leave a part of her chakra within Naruto when she died. This chakra has memories and emotions of her love for him. As Naruto gets stronger and faces difficult battles, this chakra activates and gives him not only power but also the feeling of his mother's love, which heals his emotional wounds and gives him the motivation to keep fighting.
The Naruto x Kushina romance in fanfiction can be quite interesting. Fanfic writers might focus on the idea of Kushina seeing Naruto grow up and be proud of him. They could have tender moments like Kushina helping Naruto with his studies or training. There could also be a plot where they face challenges together, like protecting the village from a new threat. This kind of fanfiction allows fans to imagine a different family dynamic for Naruto that he was deprived of in the original story.
It might show Kushina trying to make amends. She could start by reaching out to Naruto in small ways, like leaving him little gifts or messages. Naruto, at first, might be skeptical but as he sees her sincerity, they start to build a relationship.
Typically, it's portrayed as a very deep and affectionate mother - son love. Kushina's love for Naruto is shown as selfless and all - encompassing, even from beyond the grave. Naruto, in turn, has a great admiration and love for his mother that he didn't get to experience fully while she was alive. In some fanfics, this love is also shown through their shared Uzumaki heritage, with Naruto feeling a special connection to his mother because of it.
It shows a contrast to the normal mother - son relationship. Instead of the loving and protective Kushina, here she is evil, which makes Naruto question his own identity and family bonds.
Fanfiction often shows Kushina's influence through Naruto's values. Since Kushina was known for her strong will, Naruto might inherit that and show even more determination in tough situations. For example, when facing a powerful enemy, he might draw on that inner strength from his mother.
Some fanfics might explore their relationship by giving them a shared mission. They have to work together to save the village or something similar. During this mission, they get to know each other better, not just as mother - son but as comrades. They learn about each other's strengths and weaknesses, which deepens their bond in a very unique way.