Another theme could be the relationship aspect. Since it's a pairing, the development of their relationship, whether it's a friendship or something more romantic. Writers might focus on how they first meet, the misunderstandings that could occur due to their different backgrounds, and how they gradually grow closer.
At first, Harry might be a bit skeptical of Peter's teachings. But as he sees Peter's skills and wisdom, he would start to respect him more. Their relationship could grow into a strong friendship based on mutual respect and shared experiences.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). It has a large collection of fanfictions, and you can easily search for Peter Parker and Harry Osborn stories using the search bar. Just type in their names and you'll get a list of relevant fanfictions.
There's also 'Friendship Forged in Crisis' which is an amazing Peter Parker and Harry Osborn fanfiction. It focuses on a major crisis in the city where they have to rely on each other completely. The story has a lot of action and also some really touching moments between the two characters that really bring out the essence of their friendship.
One great place to start looking for such fanfiction is Archive of Our Own (AO3). There are often tags that can help you specifically find fics related to a female Harry Potter and Peter Parker pairing. Just search for the relevant tags like 'fem Harry Potter' and 'Peter Parker' on the site.
Well, perhaps Peter Parker teaches Harry about the value of secrecy. Since Peter has to keep his identity as Spider - Man a secret, he could pass on that wisdom to Harry. Also, he could teach Harry some acrobatic skills which are useful in combat situations. Peter might use his own life experiences to mentor Harry in making moral choices.
You can try fanfiction websites like Archive of Our Own (AO3). There are a large number of fanfics on that platform, and you can simply search for 'Peter Parker kissing Harry Osborn' in the search bar. It's likely to return several relevant stories.
A good fanfic in this regard would have well - developed characters. The writer should capture the essence of Peter Parker and Harry Osborn as we know them from the source material, while also adding their own spin to their personalities in the context of the romantic relationship. For example, Peter's sense of responsibility might play a role in how he approaches the relationship with Harry.
In fanfiction, Peter Parker's age can vary widely. Some fanfics might keep him at his traditional comic or movie age, like a teenager in high school, around 15 - 18 years old. This allows for stories centered around his high - school experiences, dealing with bullies, and his early days as Spider - Man.
In some fanfictions, Peter Parker's asthma can add an interesting layer to his character. It could be used to show his vulnerability even with his superpowers. For example, during intense battles or moments of high stress, his asthma might act up, making the situation more challenging for him. Writers might use this to create more drama and tension in the story.