It starts at a specific point in the manga, but I can't recall exactly without looking it up. You might want to check some manga forums or dedicated fan sites for the precise chapter.
Their interaction might be significant as it could drive the plot forward. For instance, every conversation or shared moment between them could lead to new developments in the story.
Love and friendship are key elements. Their relationship, whether it's budding romance or deep friendship, is often at the center. For example, in many fanfics, Yuji's kind nature helps him to understand Shana better, and Shana's protectiveness towards Yuji shows their bond.
The theme of self - discovery is also prevalent. Both Shana and Yuji are complex characters. In fanfictions, they often learn more about themselves as they interact with each other. They discover new aspects of their powers, personalities, and values, which in turn affects their relationship.
Yes, there are quite a few. You can start by looking on fanfiction platforms like Archive of Our Own. There, you'll find a variety of stories that explore the relationship between Utahime and Gojo. Some might focus on their past interactions within the Jujutsu Kaisen universe, while others could be more creative and imagine different scenarios for them.
One great 'gojo x reader fanfic' to start with could be 'A Meeting with Gojo'. It sets up a really interesting scenario where the reader first encounters Gojo in a rather unexpected situation, like at a mysterious old bookstore. The story does a good job of introducing Gojo's character, his cocky yet charming personality, and it also quickly draws the reader into the relationship dynamic between the two characters.