Harry would probably be deeply hurt. He might pour himself into his studies or his work in the wizarding world. He could also try to distract himself by taking on more dangerous tasks or missions. But ultimately, he'd have to face his feelings towards Ginny and decide whether to forgive her or move on completely.
Yes, it could. If Ginny really hurts him badly, Harry might become more cautious about love in the future. He might be afraid to open his heart again so easily.
Overall, it adds to the diversity of the fandom. It encourages discussions about character motives, the nature of redemption, and the implications of power imbalances. Whether one likes it or not, it is a part of the rich tapestry of fan - created content within the Harry Potter universe.
He might go to Madam Pomfrey in the hospital wing. She has all kinds of potions and remedies to help with ailments, so she could easily give him something to soothe his stomach.
He might focus on his studies. In the wizarding world, there are so many interesting magical subjects like Potions, Transfiguration. By burying himself in books and learning new spells, he can at least distract himself from the lack of friends.
He could also feel a great sense of anger. After the shock wears off, he might lash out at Ginny, demanding an explanation for her actions. His anger could be so intense that it might cloud his judgment for a while.
Harry might be initially angry. After all, he's been hurt. But he could also be a bit confused, especially if he thought Draco didn't mean to do it. In some cases, he might just walk away to cool off and think about what happened.
This type of fanfiction can also change the character interactions. Friends of Harry and Ginny may be forced to take sides or try to reconcile them. For instance, Hermione might be in the middle, trying to figure out what went wrong and how to fix it. It can make the story more about relationship drama rather than the typical Harry Potter adventures against dark forces.
She might be heartbroken. Ginny could initially be in shock and disbelief. She may retreat into herself, spending a lot of time alone in her room, crying and trying to understand why Harry would refuse.
He could be initially shocked. Harry, who has trusted Ginny deeply, would find it hard to believe at first. He might go through a period of denial, trying to find excuses for Ginny's actions.
The demon could influence Harry by whispering dark thoughts in his mind. For instance, it might make him more cynical about the wizarding world and its values.