Perhaps in the fanfiction, Jungkook is feeling really down and stressed out. BTS members notice this and they take care of him by planning a surprise vacation just for him. They book a secluded cabin in the mountains, bring all his favorite things, and spend days there just relaxing and doing things he loves like painting and playing games. This shows how much they care about his mental well - being.
One plot idea could be that Jungkook gets injured during practice. The other members of BTS then take turns looking after him. They cook his favorite meals, keep him company while he recovers, and even help him with his physical therapy exercises at home.
One plot idea could be that Jungkook, as a vampire, is trying to hide his identity in the modern world. He could be a student by day and a vampire hunter's target by night. Another idea is that he falls in love with a human who is somehow involved in vampire lore research, and he has to decide whether to turn her or let her live a normal life. Maybe he's also part of a secret vampire society within BTS, and they all have different powers and roles in that society.
One plot idea could be that Jungkook is discovered by the CEO of a music label. The CEO sees his raw talent and decides to personally mentor him. Along the way, they face challenges like industry rivals trying to steal Jungkook away. Another could be that Jungkook, in his regular life, accidentally bumps into a powerful CEO who turns out to be a huge BTS fan. This leads to an unexpected friendship where the CEO uses his influence to promote BTS in unique ways.
One plot idea could be that Jungkook, as a vampire, gets angry when a fanfiction writer reveals his true identity to the public in the story world. He then has to deal with the chaos that ensues as other vampires and humans react. Another could be that he's angry because a fanfic portrays him in a way that goes against his vampire code. For example, if it shows him being cruel to the innocent when he's actually a protector of sorts.
One interesting plot could be that Jungkook's sister gets involved in the music industry herself. Maybe she starts as a songwriter and through her talent, she begins to collaborate with different artists. Along the way, she faces the challenges of being in the public eye because of her relation to Jungkook. But she overcomes them with her own charm and determination.
Well, the OC could be a fan who wins a meet - and - greet with Jungkook. After that, she somehow gets involved in a charity event that BTS is also part of. Jungkook remembers her from the meet - and - greet and they start to talk more. As time passes, they find themselves drawn to each other. The OC might be hesitant because of the whole idol - fan dynamic, but Jungkook shows her that their relationship can be more than that.
A really interesting 'bts take care of jungkook fanfic' might be the one where Jungkook is having a creative block. The other members then encourage him in different ways. Jin might cook his favorite meals to cheer him up, J - Hope could inspire him with some new dance moves, and Suga might offer some great musical advice to help him get past the block.
Perhaps Jungkook is a wolf hybrid in the fanfiction. He's on the run from some bad people who want to use hybrids for illegal experiments. The reader, a kind - hearted person, shelters him. Their relationship develops as they face the challenges of hiding him and dealing with his wolf - like instincts, like his need to mark his territory around the reader's home.
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.
The theme of family also runs strong. In these fanfictions, BTS is like a family to Jungkook. They care for him like brothers would. They share their joys and sorrows together, and they are always there for each other no matter what. This family - like bond is often emphasized through acts of kindness and support towards Jungkook, such as celebrating his birthdays in a really special way or being there for him when he misses his real family back home.
One idea could be that they go to the Yule Ball and have a magical dance, but then face some jealousy from Ron. Another could be that during the ball, they discover a secret about the tournament that is related to the Yule Ball's origin. Maybe they also have a deep conversation on the balcony about their future and how their friendship might change.