She is very much concerned with appearances and normalcy. In the Dursley household, everything has to be in a certain order and conform to what she deems as a proper, non - magical lifestyle. This is part of the reason she is so resentful of Harry and his magical abilities.
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.
Well, it could be quite strange. Maybe she's secretly a bit more interested in the wizarding world than she lets on. It might be a way for her to explore the stories from a different perspective, one that's not as judgmental as her usual self towards magic.
There are fanfictions where Aunt Petunia has a change of heart towards Harry much earlier in the story. Instead of treating him badly, she starts to secretly teach him some basic things about the wizarding world that she learned from her sister Lily before she passed away. This could add a whole new dynamic to Harry's early years at the Dursleys.
One interesting 'Harry Potter Aunt Petunia' fanfic could be the ones that explore her relationship with Lily before she passed away. It might show how they grew up together and how their bond changed over time. Maybe there are fanfics where Aunt Petunia has to face her own insecurities regarding magic and her sister's special abilities.
One interesting 'Harry and Aunt Petunia' fanfiction could be about Aunt Petunia having a change of heart and secretly protecting Harry from other threats in the wizarding world. Maybe she starts to understand the importance of magic and realizes she can't let her sister's son be in constant danger.
One possible fanfiction could be about Aunt Petunia having a strange encounter with a lemon - themed magical object. Maybe she accidentally uses it in a spell (in a non - canon, fan - created way) that makes her see a different side of the wizarding world she has always despised. This could lead to her having a change of heart about Harry Potter and his world.
One possible fanfiction could be about Aunt Petunia discovering her latent witch powers late in life. Maybe she starts having strange dreams that lead her to an old family heirloom that unlocks her magical abilities. She then has to deal with the shock of it all while also trying to keep it a secret from the Muggle world around her.
Yes, there are some. You can check fanfiction websites like FanFiction.net or Archive of Our Own. Just search for 'Aunt Petunia loves Harry' and you'll likely find a variety of stories, some exploring her hidden affection for Harry in different ways, such as through moments of unexpected kindness or a deeper understanding that develops over time.