Yes, there are quite a few out there. You can start by looking on popular fanfiction websites like Fanfiction.net or Archive of Our Own. Just search for the specific tag or keywords related to 'hermione is bill and charlie's mate' and you'll likely find some interesting stories.
A plot could involve a magical accident that causes Hermione and Charlie to swap some of their magical abilities. They have to work closely together to reverse the spell. During this time, they learn about each other's strengths and weaknesses and develop feelings for one another.
One common theme is the exploration of polyamorous relationships. Since Hermione is with both Bill and Charlie, it often delves into how such a relationship works in the wizarding world. Another theme is the acceptance or rejection from the wizarding society towards this unconventional relationship.
Charlie is a laid - back and easy - going person compared to Hermione's more high - strung and detail - oriented self. Their relationship could start with some clashes because of this. For instance, when they are planning a project together, Hermione wants everything planned precisely, while Charlie is more willing to go with the flow. But as the story progresses, they learn to appreciate each other's differences and it becomes a strength in their relationship.
Charlie might be a character who has known Hermione for a long time, maybe through some other connections in the wizarding world. He sees Hermione as someone in need of protection from Ron, whether Ron is acting out of his own accord or is being influenced by external forces. In relation to Ron, he is the one who stands against Ron's actions towards Hermione.
There could be, but it might not be a very common or well - known one. Fanfiction often explores a wide range of relationships and scenarios. However, this particular title sounds a bit odd and perhaps not in line with the more popular Hermione - centered pairings in the Harry Potter fandom. You might have to dig deep into the archives of fanfiction sites to find it, if it exists at all.
There's also 'Charlie Weasley and Hermione Granger: A New Adventure'. This fanfiction takes them on a journey through uncharted magical lands. The way it shows how Hermione's quick thinking and Charlie's expertise with dangerous creatures complement each other is really engaging. It's a great read for fans of the two characters.
Maybe it's because he admires her intelligence. Hermione is known for her vast knowledge of magic, and Charlie, who has his own area of expertise with dragons, might respect that. He sees her as someone worth protecting because she could contribute a great deal to the wizarding world, and he doesn't want to see that potential lost.
Yes, there are some fanfictions with this concept. Some writers like to explore unique pairings in the Harry Potter universe, and this is one of them. However, such pairings often deviate from the original storyline and character relationships in the books.
He may react shyly at first. Charlie is a bit of a reserved character, especially when it comes to things outside of his dragon - related world. But as Hermione continues to sing, he could become more relaxed and start to really enjoy the moment. He might even start to hum along if he's feeling really comfortable.