One way their relationship could be different is if Snape had a change of heart due to some magical event. For example, if there was a spell that made him see Harry as a son - like figure. This would make him more open and affectionate towards Harry. He would protect Harry more openly and share his knowledge and experiences more freely. Harry, in turn, would be less suspicious of Snape and more receptive to his guidance. This would create a relationship that is much warmer and more collaborative compared to the original story, where there was so much secrecy and mistrust.
In fanfiction, their relationship could develop more positively from the start. Instead of the initial animosity, Snape could see Harry's potential right away and take him under his wing. This would lead to Harry trusting Snape earlier and having a stronger mentor - mentee bond.
Well, in some fanfictions, Snape might reveal his true loyalties to Harry much sooner. This would completely change the dynamic between them. They could become allies against Voldemort much earlier, with Snape teaching Harry things like Occlumency in a more friendly and patient way, rather than the tense and somewhat hostile way in the original story.
Dudley could develop magical abilities in fanfiction, which would completely change his character. He'd no longer be just the bully from Privet Drive. Snape would have to adapt his teaching methods to Dudley's unique situation. Instead of his usual coldness, Snape might show more patience with Dudley as he is not as closely associated with James Potter as Harry is. This could also lead to Dudley standing up for Harry against some of the wizarding world's prejudices, as he now has a new - found understanding of what it's like to be different.
In fanfiction, Snape's relationship with Harry could change drastically. Since Lily is alive, Snape might not resent Harry as much. He could be more open to teaching Harry advanced magic. Lily would be a positive influence on Harry's life, and Hermione would be part of their group. She would be the one to bridge the gap between Snape's strict teaching style and Harry's sometimes impulsive nature. Their relationships would be more harmonious compared to the original story where there was so much animosity and secrecy.
In the original story, their relationship was more of a teacher - student and friendly one. But as mates in the fanfiction, they would be much closer emotionally. They might share secrets that they wouldn't share with others. For example, Harry could confide in Remus about his real feelings towards the Dursleys much earlier.
In the original story, Hagrid is more of a secondary figure in Harry's life. But if he was raising Harry, their relationship would be much more paternal. Hagrid would be the one Harry turns to for all his problems, big or small. Harry would probably be more influenced by Hagrid's love for magical creatures and have a deeper understanding of them from an early age.
Well, in the original Harry Potter series, Harry was focused on fighting Voldemort and his adventures were mainly centered around that. However, in this fanfiction, since Fem Harry is Bill's mate, their relationship would develop with a focus on building a life together. Their relationship might develop through shared interests in things like exploring different parts of the wizarding world that are not related to the main battle. And the way they communicate would be different. Fem Harry might be more open about her emotions with Bill compared to the original Harry who was often more reserved. Also, their relationship would be influenced by the Weasley family traditions and values in a much deeper way as they are mates, not just friends or comrades.
In fanfiction, their relationship could develop in a more friendly way. Instead of just being acquaintances in the original story, they could become true friends. They might start training together, sharing their knowledge of martial arts and life experiences.
Well, if Cedric survived, their relationship could become more of a mentor - mentee situation in reverse. Harry, having faced Voldemort multiple times, could teach Cedric about the true nature of dark magic and how to defend against it better. Cedric, on the other hand, could teach Harry about the importance of patience and fairness which are Hufflepuff traits.
Well, in canon, Harry is mainly involved with Ginny. But in a fanfiction with Daphne, their relationship would be more of a slow - burn mystery. Since Daphne is from Slytherin and Harry has his Gryffindor ideals, there would be a lot of initial conflict and mistrust. Their relationship might develop out of a mutual need to survive in a darker wizarding world, rather than the more typical romantic beginnings in the original story.
In canon, Harry and Lucius are enemies. But in a Fem Harry Potter scenario, the relationship could start off with Lucius underestimating her because she's a girl. This could lead to her getting the upper hand in some initial encounters. For example, she might use her charm or a different kind of magic that Lucius isn't expecting. Their relationship could develop into a more complex dance of power and manipulation compared to the straightforward enmity in the original story.
In the fanfiction, their relationship would be much more intense and instinctive. Instead of just being friends or acquaintances as in the original series, they would have an unspoken connection. For example, they might be able to sense each other's emotions from a distance. If Bill was in danger while on a mission far away, Harry would feel a sense of unease or even pain without really knowing why at first. Their relationship would also involve a lot more secrecy because it's not a normal type of relationship in the wizarding world.