In such a fan fiction, there would likely be a great deal of shock among the characters. Harry's friends might feel betrayed or confused at first. Dumbledore would probably have to re - evaluate his plans regarding Harry. And Snape himself would have a whole new set of responsibilities and emotions to deal with, having his relationship with Harry out in the open.
The story could develop with Harry and Snape having to build a relationship from scratch. They would need to learn about each other and overcome their past differences. Harry might start to understand Snape's actions in a new light.
In such a fanfiction, Bellatrix might experience a complete shift in her loyalties. She could turn against Voldemort to protect Harry. For example, she might use her position within the Death Eaters to mislead Voldemort about Harry's whereabouts. It would also create a huge stir in the wizarding world, as Bellatrix has been one of Voldemort's most feared and loyal followers. And Harry would have to come to terms with having such a complex and villainous mother figure, which could lead to a lot of internal conflict for him.
If everyone found out about Harry's past in fanfiction, there would be a mix of reactions. Some people would probably pity him more, knowing the hardships he had faced before. But others, especially those who were jealous of his fame, might spread rumors or distort the facts. This could also have an impact on how the wizarding community views Dumbledore, as he had been a big part of Harry's past and his decisions related to it.
In this fan fiction, Harry might initially deny the whole thing. But as he starts to explore this new side of himself, he could discover some hidden secrets about the Malfoy family. This could change his perception of the Malfoys completely. And who knows, it might even lead to a new form of magic or power that he has access to because of his newfound 'Malfoy - ness'.
Well, if Harry finds out he is Voldemort's son in the fanfiction, it could mean a whole new set of powers for him. Maybe he has some latent dark magic abilities that start to surface. However, he would also have to deal with the stigma. Dumbledore's plans for him would probably go out the window. Harry might struggle to find his place between the light and the dark side of magic. He could try to use his newfound connection to Voldemort to defeat him in a different way, like by understanding his father's weaknesses from an insider's perspective.
In this kind of fanfiction, there could be a lot of shock and disbelief among the characters at first. His friends might feel guilty for not noticing the signs earlier. They would probably become extremely protective of Percy.
Harry's reaction would be complex. He has so many emotions tied up with Snape already - dislike, confusion, and a bit of grudging respect in some ways. Discovering he's his father would bring all those emotions to the surface and more. He might go through a period of denial, not wanting to believe it at first. Then, as the truth sank in, he'd have to come to terms with a new family member. He might also feel a sense of betrayal from those who knew or suspected but didn't tell him. And he'd have to figure out how to fit this new relationship into his life, especially considering his role in the wizarding world and his ongoing battles.
One possible consequence is that Harry might face a lot of unwanted attention. People in the fan fiction world could start treating him differently, perhaps with too much pity or excessive curiosity. His privacy would be invaded, and he might feel pressured to conform to the expectations that others now have of him based on what they've learned from the fan fiction.
Well, Draco might initially be shocked. He could choose to confront Ron about it. Maybe he'd secretly help Harry by providing some kind of protection or resources. After all, Draco has his own sense of justice, even if it's different from the norm.
Well, it could be that Harry is initially shocked. He might start to see Fred in a whole new light. Maybe he'll start to notice all the little things about Fred that he never paid attention to before, like the way Fred laughs or his unique sense of humor. Their relationship could start to grow in a very different and special way, with a new level of closeness and understanding.