The other members might be initially shocked. Jin, being the eldest, would probably try to find a way to 'cure' Jungkook. Suga would be more reserved but also worried, and might start researching about vampires. J - Hope would be the one trying to cheer Jungkook up, telling him that it's okay and they'll figure it out together. RM, as the leader, would be concerned about how this will affect the group's image and their future activities, but also about Jungkook's well - being.
Well, at first, they would all be extremely frightened. Taehyung might even be a bit scared to be around Jungkook at first. But as they are like family, they would soon start to accept it. Jimin would be the most empathetic, constantly by Jungkook's side, trying to understand what he's going through. Namjoon would gather everyone together to have a serious discussion about how to handle this situation, both for Jungkook's sake and for the sake of BTS as a whole. They would all have to adapt to this new reality of having a vampire in their midst.
Maybe in the fanfiction, Jungkook turns into a vampire due to an ancient curse. His transformation changes his appearance slightly, with his eyes turning a deep red when he's hungry. He starts to feel alienated from the other members as he can't participate in normal human activities like eating regular food. However, he also meets other vampires who teach him how to control his urges and he eventually finds a way to balance his vampire life with his life as a member of BTS.
Another theme is friendship. In these fanfics, the relationship between Jungkook and the other BTS members is often explored. They might have to adapt to his new vampire self, and it shows how strong their bond is.
Jungkook's character could develop in the way that he becomes more empathetic towards other vampires. He realizes that they are not all monsters, just like he is not. He might start to fight for vampire rights, or at least for a more peaceful co - existence between vampires and humans. His relationships with his human friends would also change, some becoming more distant while others become closer in a different way.
One idea could be that Jungkook is bitten by an ancient vampire during a late - night encounter in a mysterious forest. He then has to struggle with his newfound thirst for blood while still trying to maintain his relationships with his friends and family. He might find himself drawn to a particular person whose blood has a special scent that both attracts and repels him.
One popular 'bts newly turned vampire jungkook fanfic' is 'Vampire Jungkook's New Beginning'. It's a really interesting story that delves into how Jungkook copes with his new vampire life within the BTS universe.
Jungkook's character can be developed by showing his internal struggle as a vampire. His anger could be a mask for his fear of not being accepted. For example, when he gets angry at a human in the fanfic for being too nosy about his vampire life, it could actually be because he's afraid of what would happen if his secret got out completely. This shows his vulnerability and adds depth to his character.
In the fanfiction, Jungkook could be initially a bit panicked as he's not used to taking care of a sick baby. But then he quickly pulls himself together. He calls his mom or someone experienced for advice. He follows their tips religiously. He stays by the baby's side all the time, only leaving to get things the baby needs like medicine or warm water.
In fanfiction, he could be a very curious vampire. Jungkook is known for his eagerness to learn new things in real life, and as a vampire, he might be interested in modern human culture. He could be nocturnal, of course, and have a heightened sense of hearing and sight. His loyalty to his vampire clan or to his human friends would be a strong character trait, and he might be conflicted when the two worlds collide.
One common theme is the struggle with his new vampiric nature. He might be confused about his new powers and instincts. For example, he could be fighting the urge to drink blood in some stories.
One great 'BTS Jungkook Vampire Fanfic' is 'Midnight Blood'. It has an engaging plot where Jungkook is a vampire prince. The story is filled with mystery and a touch of romance as the main character gets drawn into his world.