Perhaps in the fanfiction, there's a Christmas event at Hogwarts and Charlie is invited as an alumnus. Hermione is in charge of some of the arrangements. They end up getting paired for a Christmas-themed scavenger hunt around the castle and its grounds. Along the way, they encounter old magic and secrets, and their shared adventures bring out their feelings for each other. Charlie might share stories about his dragon - taming experiences, which Hermione finds fascinating.
One plot idea could be that Hermione decides to visit Charlie at his dragon reserve during Christmas. There, they discover a young dragon that's having trouble with the cold weather. They work together to create a magical solution to keep the dragon warm, and in the process, they grow closer. Maybe they also exchange Christmas gifts that have special meanings related to their magical skills and interests.
One idea could be that Hermione, through some magical mishap, ends up in the world of the Twilight series where she meets Charlie Swan. She could use her magic to help solve some of the strange occurrences in Forks that are related to the vampires and werewolves, but has to keep her magic a secret from Charlie at first. They gradually form a friendship as he notices her unique abilities in other ways.
One idea could be that Hermione goes to Romania to study magical creatures and meets Charlie. They team up to save a rare dragon species from poachers. Charlie's expertise in dragons and Hermione's knowledge and quick thinking would make for an exciting adventure.
One idea could be that they initially resist the marriage law due to their different worlds in Hogwarts. Charlie is all about dragons and Hermione is focused on academics. But as they start to spend time together, they discover they share a love for magical creatures in a different way. Hermione starts to see the beauty in Charlie's wild dragon - taming ways, and Charlie is amazed by Hermione's vast knowledge which could be useful in dragon conservation.
One interesting plot idea could be that Charlie invites Hermione to study dragons in Romania. There, Hermione discovers a new species of dragon that has some unique magical properties. They have to work together to protect the dragon from poachers. Another could be that Hermione helps Charlie set up a dragon - conservation program at Hogwarts. This would involve getting the approval of the school authorities and dealing with the challenges of having dragons on school grounds.
Perhaps in the fanfiction, Hermione is initially very angry about being paired with Charlie under the Marriage Law. But Charlie takes her to his dragon reserve. There, Hermione sees a different side of Charlie and his passion for magical creatures. This experience makes her more open - minded towards him. Meanwhile, Charlie starts to admire Hermione's intelligence and her determination to fight for what she believes in. Their relationship slowly evolves from forced to something they both cherish.
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.
A more complex plot could involve Renesmee being in danger from a new threat in the vampire - human world. Charlie, despite being a human, decides to take matters into his own hands. He teams up with some of the Cullen family members in a way that no one expected. This story could explore the relationships between humans and vampires in a different light, with Renesmee and Charlie at the center of it all.
One idea could be that Charlie discovers a secret room in the chocolate factory that holds the key to a new type of chocolate that can give people the ability to fly for a short time. Another could be that the Oompa - Loompas start a mini - revolution because they want more time off to play their own games. Or perhaps Charlie has a vision of how to make the factory even more magical and Willy Wonka is initially skeptical but then realizes Charlie's idea is brilliant.
Maybe in the fanfiction, Draco is feeling lonely during Christmas break at Hogwarts as his family is in a bit of turmoil. Hermione notices this and decides to be kind. She invites him to join her and her friends for a Christmas celebration in the Gryffindor common room. At first, Draco is hesitant but then he realizes how much fun it can be to be part of a different kind of 'family' for the holidays.
Well, in some fanfiction, the plot might involve the wolf being a part of a prophecy related to Hermione. For example, it could be foretold that only she can save the wolf from an impending doom, like a dark magic that is slowly consuming it. This would lead her on a journey to find a cure or counter - spell. Also, the wolf could be a link to Hermione's past that she was unaware of. Maybe it was somehow connected to her family's hidden magical heritage, and as she gets to know the wolf, she uncovers long - lost family secrets.