They would probably start making plans for the future. Klaus, with his resources, would ensure their safety. He might set up a secure place for them to grow up. Caroline would focus on their upbringing. She would want to instill good values in them. They would also have to deal with the reactions of their friends and family. Some might be happy for them, while others might be worried about the implications of having such powerful children in the supernatural world.
At first, they might be shocked. Klaus, who has seen a lot in his long life, might be both excited and worried about the future of his children. Caroline, on the other hand, would likely be a bit more emotional. She might immediately start thinking about how to create a stable and loving home for the twins.
Klaus may be overjoyed. Given his complex character, he might see this as a new beginning, a chance to create a family of his own in a way he never thought possible. He could immediately start making plans to ensure Caroline and the baby are well - cared - for.
Well, at first, Klaus might be in disbelief. He's a complex character. But once he accepts it, he would go to great lengths to safeguard Caroline and the baby. He could use his power and influence to create a safe haven for them. He might also try to reform himself in some ways, knowing he has a family to think about now. He'd be very involved in every aspect of Caroline's pregnancy, from her health to her security.
One possible plot could be that Klaus and Caroline initially struggle with the idea of having a baby due to their complex pasts and different natures. But as the story progresses, they start to see the potential of a new life as a way to build a new future together. Caroline might worry about how her friends will react, especially those who have had issues with Klaus in the past.
One interesting plot could be the twins having special powers. Since Klaus is a powerful vampire and Caroline has her own unique qualities, the twins might inherit a combination of them. Maybe one twin has the ability to control minds like Klaus and the other has Caroline's compassion which they use to influence people in a positive way.
Caroline as a human in fanfiction with Klaus can create a really interesting dynamic. It allows for exploration of how a human might interact with a powerful vampire like Klaus. For example, she could be a source of light in his dark world, constantly challenging his views.
Klaus shows his love by protecting Caroline. He would always be there to save her from any danger, whether it's from other vampires or supernatural threats.
Klaus would be very attentive to Caroline's pregnancy cravings. He'd see it as his duty to take care of her during this time. He might cook for her himself if he can, or take her to the best restaurants to get what she wants. He would be a bit overprotective too, making sure that whatever she eats is of the highest quality and safe for her and the baby. He'd also listen intently to her when she talks about her cravings, finding it endearing and a sign of the new life growing inside her.
Klaus might be overjoyed. He has always been attracted to Caroline, and having a baby with her could be the ultimate sign of their connection. He would probably be very protective, using all his power and resources to keep her and the unborn baby safe.
Their relationship could become more intimate as they bond over the baby. They might start to see each other in a new light, with Klaus showing a more tender side and Caroline learning to trust him more deeply.
It could become more intense. They now have a shared responsibility, so they might be more connected. Klaus might be more tender towards Caroline, and Caroline might start to see Klaus in a different light, perhaps more as a partner rather than just an acquaintance.