The plot could involve her getting into the music industry herself. Since she has seen Jungkook's journey up close, she might be inspired to create her own music. However, she may struggle with being compared to him all the time. For example, critics might be harsher on her because they expect her to be as good as Jungkook from the start. But she could prove them wrong by developing her own unique style.
Well, it could be about her growing up in the shadow of her famous brother. Maybe she's trying to find her own identity and talents, different from Jungkook's. She might face challenges like dealing with over - protective family members who are used to taking care of a superstar. And she could also have her own group of friends who don't really care that she's related to Jungkook at first, but then start to notice the differences in her life because of it.
Jungkook himself would definitely be a major character. His presence would shape a lot of the story, whether it's through his influence on his sister or their interactions. Their parents could also be important characters. They might play a role in how the sister is raised and how she views her relationship with Jungkook. For example, if they are very strict, it could add a different dynamic to the story.
Perhaps the fanfiction could focus on the little sister's own journey of self - discovery. Growing up in the shadow of her two powerful brothers, she might strive to find her own identity and power. She could train secretly and then surprise everyone with her newfound abilities. And in the process, Sasuke and Itachi might have to deal with their own feelings about their sister growing up and becoming independent.
One possible plot could be the little sister being a source of emotional support for Gaara. Since Gaara had a tough childhood, his sister could help him heal his inner wounds and show him the love he always craved. For example, she might encourage him to open up more to his friends in the village.
One possible plot could be that the little sister has a special power. For Naruto, she might be a ninja with unique jutsu. In the Sekirei world, she could be a Sekirei with a new type of ability. Maybe she gets caught in the middle of a conflict between the two worlds, and Naruto and the Sekirei have to work together to protect her.
In a more political - intrigue - based fanfiction, Anakin's little sister could be involved in the Senate. She could be a voice of reason among the corrupt politicians. As she uncovers a conspiracy within the Senate that is linked to the Sith's plan to take over the galaxy, she has to team up with some unlikely allies, including some Jedi, to stop it. And all the while, she has to deal with the fact that her brother Anakin is being manipulated by the Sith.
Well, it could be about her getting caught in the middle of the werewolf - vampire drama. Maybe she discovers a secret power of her own that attracts the attention of the wolf pack.
One possible plot could be that Naruto's little sister is also a ninja in training. She might struggle with the same kind of ostracism Naruto faced because of the Nine - Tails inside him. However, she could also be a source of great support for Naruto, helping him through his toughest times and together they could train to become stronger. Maybe she has a unique ninja ability that even Naruto is in awe of.
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 plot could start with the TMNT noticing their little sister being a bit moody. They decide to tickle her to make her happy. She starts to laugh and then they all end up in a big tickle fight. Eventually, they share hugs and it makes their relationship stronger.
In a 'Harry Potter and His Little Sister' fanfiction, the sister could be a new student at Hogwarts when Harry is in his later years. She struggles to fit in because of being Harry Potter's sister. Harry has to help her deal with the pressure, make friends, and also face the threat of a new dark wizard who has a vendetta against the Potter family.