A common theme is her relationship with her students or proteges. Since she was an important figure in the 'Boku no Hero' world, many fanfics explore how she influenced the younger heroes.
Well, another option is to check out some dedicated 'Boku no Hero' fan forums. Sometimes fans will share their own fanfics about Nana Shimura there, or recommend ones they've read and liked. You might have to do a bit of digging, but it can be worth it to find some really interesting fan - created stories about her.
Another aspect could be a story where Nana Shimura somehow survives and has to face the new world of heroes. How would she react to the current state of hero society? She might be shocked by the commercialization of heroism and try to bring back the purer form of being a hero that she knew.
A simple fanfiction could be about a young hero in training who discovers Nana Shimura's old diary. Through reading it, they learn about her values and ideals, and are inspired to become a better hero themselves.
Well, 'Nana Shimura: Unseen Tales' is worth checking out. It's a fanfic that fills in the gaps in her story. It has detailed descriptions of her daily life and her struggles. The author does a great job of making her seem like a real, relatable person rather than just a character from a story.
When writing a nana shimura fanfic, it's important to stay true to her essence. She is a complex character with a strong sense of justice. Build on that. You can introduce new conflicts that test her beliefs. Also, pay attention to the setting. Whether it's the same world as the original or a new, alternate universe, make it feel real. Write detailed descriptions of the places and how Nana interacts with them. And don't be afraid to get feedback from other fans. They can give you great ideas and point out areas for improvement.
You can start by looking on fanfiction websites like Archive of Our Own. They usually have a wide range of fanfictions, including ones about Nana Shimura.
It could be Midoriya. Imagine Midoriya getting access to Iron Man's technology. He's already a determined and intelligent hero - in - training, and with Iron Man's tech, he could become even more powerful. He might struggle at first to adapt to the new technology, but his strong will would drive him to master it and use it to protect others in new and exciting ways.