In many 'gojo and utahime fanfic', a frequent theme is the power dynamic. Gojo is extremely powerful, and Utahime has her own abilities. Fanfics play with how this power difference affects their interactions. Also, the theme of hidden feelings is quite common. They might not show their true emotions openly, and fanfics like to dig into that and bring those feelings to the surface. Moreover, the theme of teamwork and how they can rely on each other in difficult situations is also often explored.
One great 'gojo and utahime fanfic' is 'The Unlikely Bond'. It explores their relationship in a really interesting way, showing how they might interact beyond their usual roles. Another one could be 'Gojo and Utahime: A Different Perspective' which gives a fresh take on their characters and how they could be more than just colleagues.
One popular 'gojo x utahime fanfiction' might be those that focus on their interactions during a dangerous mission. For example, a story could be about how Gojo and Utahime have to work together to defeat a powerful curse. They start off bickering as usual but gradually realize their feelings for each other through the hardships they face.
Fanfiction.net is a great place to start. It has a large collection of fanfictions, and you can easily search for 'gojo x utahime' within the site. There are different categories and filters you can use to find the type of story you like, whether it's a long, multi - chaptered epic or a short, sweet one - shot.
Another theme is growth. Megumi's growth as a person and as a sorcerer is often tied to his relationship with Gojo. In these fanfics, Gojo's influence helps Megumi become stronger, not just in terms of his abilities but also in his emotional maturity. For instance, Gojo might teach Megumi how to handle difficult situations, which in turn helps Megumi grow. And of course, the theme of love is there. It might not be a romantic love, but the love between a father and son. Gojo's care for Megumi and Megumi's acceptance of Gojo as a father figure is a central part of these fanfics. It gives a warm and fuzzy feeling to the readers.
I'm not sure about the name exactly, but there are some fanfics where Megumi calls Gojo dad in a more action - packed setting. For example, in some where they are fighting curses together. Megumi's respect for Gojo as a father - like figure is shown through their teamwork and how Gojo protects Megumi during battles.
Toge Inumaki is important too. His special cursed speech ability makes him stand out. Also, the principal of the school, Masamichi Yaga, is likely to be important as he is in a position of authority and has an influence on Gojo and the other students. There could be other characters like the members of different clans that also play roles in the complex web of the story.