Adventure is also a popular theme. They might go on a quest together, perhaps to find a lost magical artifact or to solve a mystery that has been plaguing Hogwarts for years. Their combined skills - Hermione's book - smarts and Lupin's practical experience - make them a great team for these adventures.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). There are a large number of Harry Potter fanfictions there, and you're likely to find some that involve Hermione and Professor Lupin. Another option is Fanfiction.net. Just use their search function and type in relevant keywords like 'Hermione Lupin' to narrow down the results.
One popular 'Professor Lupin and Hermione fanfiction' is 'A Different Sort of Magic'. It explores an alternate universe where Hermione and Lupin have a unique bond that goes beyond the normal teacher - student relationship. They embark on a journey together to solve a mystery in Hogwarts.
One possible plot could be Hermione seeking Lupin's help for some advanced magic study. Since Lupin is a knowledgeable wizard, he could guide her in a new area of magic, and during this process, a deep friendship or mentorship develops between them.
There are many great authors in this niche. Some popular ones might include those who have a deep understanding of the Harry Potter universe. But it's hard to name just a few as there are so many talented writers out there.
One common plotline could be Hermione seeking extra help from Professor Lupin in a difficult subject like Defense Against the Dark Arts. He might offer her special tutoring sessions, during which they develop a deep bond of mutual respect. Another could be them working together on a mysterious project related to the wizarding world's secrets.
In some fanfictions, Remus Lupin might be hard for Hermione because of their age difference. Lupin is much older, and this can create complex power dynamics and social taboos in the relationship. Also, their personalities are quite different. Hermione is highly studious and often by - the - book, while Lupin has a more laid - back and world - weary nature, which could lead to clashes and difficulties in their interactions.
Another theme is the exploration of the werewolf aspect of Lupin. Fanfictions might show how Hermione reacts to Lupin's lycanthropy and how she might try to find ways to help him or understand it on a deeper level. For example, she could be researching ways to ease his transformations.
One possibility in such a fanfiction could be that the age difference between Remus and Hermione creates a complex dynamic. However, their shared love for knowledge and their kind hearts could be the initial attractions. For example, they might bond over a particularly difficult spell or a piece of magical history that others overlook.
In some fanfiction, it can be a common trope. Writers might be attracted to the idea of the older, more experienced Remus Lupin showing an unexpected interest in the intelligent and capable Hermione. It adds an element of surprise and can create interesting relationship dynamics that deviate from the original series.