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.
One great Gojo fanfic is 'Gojo's Ascent'. It delves deep into his character, exploring his powers in unique ways and his relationships with other characters. The story has a great plot that keeps you hooked from start to finish.
One great 'gojo and utahime fanfiction' is 'The Unlikely Bond'. It beautifully explores their relationship in a world full of magic and mystery. The story focuses on how they start from being just colleagues to developing a deep connection. Another one is 'Gojo and Utahime: A Different Path' which takes a unique approach by showing their adventures outside the typical scenarios we see in the original work.
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.
One great Gojo Satoru fanfic is 'Gojo's Ascent'. It really delves into his character development, showing his growth from a powerful yet somewhat aloof sorcerer to one who truly understands the importance of his role. Another is 'Satoru's Redemption Arc' which explores his past mistakes and how he tries to make amends. There's also 'Gojo in the Parallel World' that presents an interesting take on how he would act in a different universe.
For a beginner, 'Gojo's First Adventure' is a good choice. It's easy to follow and gives a great introduction to Gojo's character. It has simple language but still manages to capture the essence of Gojo's cool and powerful nature.
In the Cinderella story, her best friend could be considered the mice. They help her a great deal. For example, they make her dress when she is not allowed to go to the ball by her stepmother and stepsisters. They are always there for her, scurrying around and using their little mouse skills to get things she needs.
It could be his dog. Dogs are often considered man's best friend, and in a story about a boy, a dog would be a very likely candidate. The dog could be loyal, always by the boy's side, and they could go on all sorts of adventures together.