One common theme could be the exploration of a complex family relationship. Since Petunia is Harry's aunt, there might be themes of family secrets and hidden emotions. Another theme could be the transformation of their relationship from a rather hostile one in the original story to something more nuanced in the fanfiction.
In petunia and harry lemon fanfiction, a recurring theme is the power of connection. Despite their difficult past, the fanfictions may explore how they can form a bond. There could be themes related to the magic of forgiveness and how it can change their lives. Also, the exploration of their individual traumas and how they can heal together is often a theme. For example, Harry's orphan status and Petunia's jealousy towards her sister could be delved into, and through their relationship in the fanfiction, they might find ways to overcome these emotional hurdles.
One common theme is redemption. Many fanfictions explore Petunia's chance to redeem herself for her past mistreatment of Harry. Another theme is family. They might not be a typical family, but the stories often focus on how they can form a bond. For example, in some, Petunia realizes her role as Harry's only remaining family member and tries to be better.
One common theme could be the exploration of Petunia's hidden feelings. Maybe she has some repressed emotions towards the wizarding world that are brought to the surface.
One common theme is redemption. Often, Petunia is portrayed as having a chance to redeem herself for her past treatment of Harry. For example, she might finally show some love or understanding towards him.
One common theme is redemption. Aunt Petunia is often portrayed as having a chance to make up for her years of treating Harry poorly. Another theme is family secrets. There could be secrets about Lily that Aunt Petunia finally reveals to Harry.
Well, often you'll see themes of forgiveness. Harry might have to forgive Aunt Petunia for her years of mistreatment, and in turn, she has to forgive herself. There can also be a theme of love against all odds. Despite the circumstances and her initial dislike, Aunt Petunia discovers a deep love for Harry. Additionally, some stories may explore the theme of changing perspectives, where both characters see each other in a new light.
One common theme is redemption. Fanfictions often explore Petunia's chance to redeem herself in Harry's eyes after years of treating him poorly. For example, she might suddenly realize the importance of family and try to make amends.
I'm not entirely sure as 'lemon' fanfiction often implies inappropriate or non - canon and unethical content. However, if we assume it's a more innocent exploration, perhaps it's a situation where Harry is forcing Petunia to face something she has been avoiding in a particular fan - created storyline. But this is all speculation based on the rather odd title.
Another theme is the contrast between the Muggle and magical worlds. Since Petunia is a Muggle and Snape is a wizard, their interactions can highlight the differences and difficulties in bridging those two worlds. For example, in some fanfictions, Petunia's envy of Snape's magical abilities is a central part of the story. It shows how the divide between the two worlds can create complex emotions.
I'm not entirely sure as 'lemon' often implies adult content in fanfiction, but if we assume it's a non - adult take, perhaps Harry could dominate Petunia in terms of magical knowledge. Maybe he shows her the true power of magic and she has to accept his superiority in that regard.
The fact that Petunia uses Harry Potter lemon fanfiction might be a sign of her repressed feelings towards the magical world. In the books, she has a complex relationship with the wizarding side of things. By reading this type of fanfiction, she could be unconsciously trying to come to terms with her own connection to that world. It could also be that she's simply interested in the creativity of the fans, as lemon fanfiction often takes the original story in very unexpected and sometimes racy directions, and she wants to see how far fans are willing to go with their imaginations.