One idea could be that Hermione invites her Muggle friends to a magical place for the reunion. They could be amazed by the wonders of the wizarding world, like seeing Hogwarts for the first time. Hermione would have to explain all the magical things around them, and there could be some funny misunderstandings as her Muggle friends try to adjust to this new and strange environment.
A possible fanfiction could involve Hermione's Muggle friends being in some kind of trouble in the Muggle world. Hermione, using her magic and wizarding knowledge, helps them out. Then, they have a reunion to celebrate. At the reunion, her friends ask her more about the wizarding world, and Hermione tells them about the different magical creatures she has encountered, like the friendly house - elves or the majestic hippogriffs.
In the fanfiction, Hermione's Muggle friends could be brought into the wizarding world during the reunion. They could meet some of Hermione's wizard friends like Harry and Ron. There could be a lot of cultural clashes and interesting conversations as the Muggle friends learn about wizards and vice versa. For example, they might be shocked to learn about Quidditch and how it's played in the air.
One idea could be that Hermione attends a muggle high school reunion. She has to hide her magical abilities but accidentally uses magic when an old bully starts to harass her. Another could be she meets an old muggle friend who has a mysterious ailment, and she secretly uses magic to heal them while trying not to expose the wizarding world.
In fanfiction, Hermione's Muggle friends are sometimes depicted as being very accepting of her magical life. They don't question it too much and are just happy to be part of her world in a way.
One interesting aspect in fanfiction about Hermione Granger's Muggle friends could be how they react to the wizarding world. Maybe they are initially shocked but then become fascinated by magic.
One interesting aspect of Hermione's Muggle friends in fanfiction could be how they react to her magical world. Some fanfictions might show them being in awe and trying to understand it. For example, they could be curious about her spells and potions.
Frequently, they are shown as being curious. They ask Hermione a million questions about the wizarding world, like how spells work or what it's like to fly on a broomstick. This curiosity can drive the plot forward in fanfiction, as Hermione tries to explain things to them while also dealing with her own wizarding - related problems.
It could be an old muggle acquaintance who is jealous of Hermione's success in the wizarding world. Maybe they sense that she's different and are determined to find out her secrets and expose her.
Well, perhaps Hermione would meet her old Muggle school friends and be a bit of an enigma to them. They might notice how much she's changed but not be able to put their finger on it. She could have some interesting conversations about her new life at Hogwarts and her adventures, while still keeping the magical world a bit of a secret. There could also be some comical moments when she tries to fit back into the Muggle world and forgets some of the Muggle ways she used to know.
She might meet her old teachers. They would be surprised to see how much she's grown and changed. And of course, her former classmates. There could be the popular girl from school who is now a bit jealous of Hermione's confidence. Or the nerdy boy who has now become a successful scientist and they can have an interesting exchange about different kinds of knowledge, magical and Muggle.
She could use her magic to improve her Muggle studies. For instance, she might use a spell to make her textbooks more interesting or easier to understand. This would be a unique way to show how her magical abilities can still be useful even in a non - magical setting.