Dumbledore, if he were still alive, would likely see the situation in a more strategic light. He might try to use Harry's pregnancy to their advantage in some way, perhaps as a symbol of hope or as a way to gain support from unexpected quarters.
Hermione would probably be very practical. She would try to find ways to ensure Harry's health during pregnancy while also dealing with the war. For example, she might research magical remedies for pregnancy ailments.
Ron would be furious. He would immediately start looking for Ginny and would probably want to confront Harry without thinking. Hermione, on the other hand, would be more rational. She would try to figure out why Harry would do such a thing and look for clues. The Weasley parents would be extremely worried and would likely reach out to all their contacts in the wizarding world for help.
Hermione would probably be very curious and immediately start researching ways to reverse the transformation or at least understand it better. She'd be quite protective of Harry too.
Harry would probably be in a state of shock and disbelief at first. He'd be filled with a mix of fear, confusion and anger. Voldemort might be initially dismissive or see it as an opportunity to further his own dark plans. Hermione would be practical, trying to find solutions in books and magic. Ron would be more likely to be openly disgusted at first but might come around to support Harry as a friend.
The other Hogwarts students would have a wide range of reactions. Some might be shocked and gossip about it. Neville, for example, might be sympathetic towards Harry. Draco Malfoy could use it as an opportunity to taunt Harry, but at the same time be a bit envious of the attention this situation brings. The teachers would also have different responses. McGonagall might be worried about the impact on Harry's education and future.
Harry would likely be determined to stop it. He has faced many dangerous situations before, and this would be just another one for him to overcome. He might be a bit scared at first, but his sense of responsibility would kick in. Hermione would immediately start researching, trying to find any information about how to deal with such a strange combination of magic and a weapon like a nuke. Ron would be ready to support his friends, perhaps with some humor to lighten the mood in such a tense situation.
Well, Hermione would be a crucial character. She would be the voice of reason for Harry. She might research every possible magical solution to either understand the pregnancy better or find a way to reverse it if that's what Harry wanted. Ron would be more of a wildcard. He might be disgusted at first given his past issues with Draco, but eventually, he would probably come around to support his friend. As for Draco's friends, they could either shun him or support him depending on their own views on this very unconventional situation.
The Akatsuki members, if they were to encounter Naruto in this state, would have different reactions. Some might see it as an opportunity to target him when he's vulnerable. However, others like Pain, who has his own beliefs about the cycle of pain and suffering, might be a bit more conflicted. He might see Naruto's unborn child as a symbol of a new beginning or just another target. And the other Konoha ninjas, especially the younger ones, would look up to Naruto even more. His pregnancy and time travel situation would make him seem even more of an enigma and a source of inspiration as he's facing such unique challenges.
Together, they would rely on their friendship and new - found love. They'd support each other through the tough times. Harry would be the one to face any physical threats while Hermione would handle the more intellectual aspects like making sure they have a proper plan for when the baby is born. They'd also have to deal with their own insecurities and fears, but their bond would help them get through it all.
The characters' reactions would be diverse. Harry, being the main character, would likely feel a great sense of responsibility. He'd have to face the judgment of both the wizarding community and the vampires. Hermione would be her usual studious self, looking for any precedents or magical knowledge to help. Ron would probably voice his concerns loudly, thinking it's a dangerous and strange situation. The vampire involved would have her own emotions, perhaps a mix of fear and hope for the future. And other vampires in the community could range from being supportive to being hostile depending on their beliefs and positions within the vampire hierarchy.
The teachers at Hogwarts would also have different reactions. Professor McGonagall might be worried about the potential chaos that could be caused by the demons, but she would also trust Harry to some extent. Snape, if he were around, would be highly suspicious and might think that Harry was treading on dark magic territory. Overall, the reactions would be a mix of fear, curiosity, and concern for Harry's well - being.