One common theme could be the power of mentorship. The professor, being more experienced, can guide Hermione in her magical studies in ways her peers can't. Another theme might be the exploration of an unlikely friendship. Despite the age and status difference, they form a bond that defies convention. Also, there could be a theme of self - discovery for Hermione, as the professor's unique perspective helps her understand herself better.
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.
One common theme is the exploration of female relationships outside of the traditional male - female romantic relationships in the Harry Potter world. It's about two strong female characters connecting on a deeper level.
One common theme could be the exploration of a forbidden relationship. Since Hermione is a student and Professor Lemon (assuming it's a made - up professor in the fanfiction world) is in a position of authority, the idea of crossing that line is often explored.
Power dynamics is another theme. Hermione as a professor has a certain amount of power and authority, and Malfoy, coming from a once - powerful pure - blood family, has to adjust to this new situation. Their interactions are shaped by these power dynamics, like in some fics where Hermione uses her power to put Malfoy in his place or to help him grow.
In this fanfiction, Hermione's character development is often centered around her breaking free from the traditional student mold. With the professor's influence, she may start to question the established norms of Hogwarts. The professor, on the other hand, might start to show more compassion and warmth, which were perhaps lacking in his character before. This is because Hermione's youthful enthusiasm and kindness start to thaw his cold exterior. Their relationship is like a catalyst for each other's growth.
One common theme is redemption. Often, Snape is portrayed as having a chance at redemption through Hermione's new understanding of him. For example, she might find out about his past love for Lily and how it has shaped his actions, leading her to see him in a more sympathetic light.
One common theme is the power struggle. Snape is a powerful and intimidating figure, and Hermione is a strong - willed student. Their flirting can be a way of vying for control in a relationship. Another theme is the exploration of the forbidden. In the original story, their relationship is not of this nature, so fanfiction plays with this 'forbidden' aspect. Also, there's often a theme of redemption for Snape through his relationship with Hermione.
Friendship is a very common theme. It shows how Hermione, Harry and Ron support each other through thick and thin. Another is adventure, as they often go on various quests together.
One common theme is self - discovery. Hermione often discovers new aspects of herself through her relationships. For example, she might learn about her own emotional needs or her capacity for different kinds of love.
Another theme is the redemption of Snape through his interactions with Hermione. Since Snape has a rather dark past in the original series, in fanfictions, Hermione can be the catalyst for his positive change. She might see the good in him that others don't and help him come to terms with his own demons.