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.
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.
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 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.
Yes, there are some out there. You can start by looking on fanfiction platforms like FanFiction.net or Archive of Our Own. Some writers might explore an alternate universe where Vernon and Petunia show love towards Harry in a more positive way, perhaps due to a change in circumstances or a different understanding of his situation.
One possible plotline could be that Petunia has a sudden realization of how unfairly she has treated Harry over the years and tries to make amends. She might start by secretly helping him with things around the house or protecting him from Dudley's bullying.
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.
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.
Aunt Petunia could discover a lemon tree in her garden that has magical properties. Since she's always been envious of the magical world (even if she doesn't admit it), she might try to use the lemons from the tree to gain some sort of power or advantage. For example, she could think that if she eats the lemons, she'll become more beautiful like the witches she's seen in Harry's pictures.
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.