A possible fanfiction could be centered around the Jinchuriki's role in a major battle. For example, in a war against an enemy ninja force, the Jinchuriki could unleash Matatabi's power in a strategic way to turn the tide of the battle. They might combine Matatabi's fire - based attacks with other ninja techniques they've learned, like water - style jutsu to create a steamy and powerful defense or offense. Also, their bond with Matatabi could give them an edge in terms of sensing the enemy's moves before they happen.
Gaara is a very likely recipient. He was a Jinchuriki like Naruto and they have a strong bond. Naruto might send him letters to check up on him and continue their friendship.
It could also be a form of building alliances. By reaching out to the Jinchuriki through letters, Naruto is establishing a connection. This can be important in the Naruto universe where having allies is crucial for the safety of the villages and the world at large. He may be hoping to create a united front among the Jinchuriki against common enemies.
First, focus on their backstory. Maybe they were an orphan who was chosen to be the Jinchuriki and had a tough upbringing because of it. This would shape their personality as someone who is both strong - willed but also has insecurities. Second, explore their relationship with Matatabi. They could start by hating the fact that they're a Jinchuriki but as they get to know Matatabi better, they form a unique bond. Third, show their growth in terms of power. Start with them being unable to control Matatabi's power at all and then gradually become a force to be reckoned with.
One possible scenario could be that the 5 - Tailed Jinchuriki has some sort of special power that draws both Itachi and Karin. Maybe Itachi is initially interested in the Jinchuriki for strategic reasons related to his Akatsuki duties, while Karin is intrigued by the unique chakra of the Jinchuriki. As the story unfolds, they all find themselves in a complex web of relationships and power struggles. Itachi might be conflicted between his loyalty to the Akatsuki and his growing feelings towards the Jinchuriki and Karin. Karin, on the other hand, could be using her own abilities to try and get closer to both of them for her own survival and perhaps a bit of romance.
The 'naruto jinchuriki of the world eater fanfiction' might center around the Jinchuriki's journey. Maybe they have to face challenges that come with being associated with a 'world eater'. This could involve battles against other powerful forces in the Naruto universe who either fear or want to use the power of the 'world eater' within the Jinchuriki. It could also delve into the Jinchuriki's relationships with other characters, like how Naruto's friends might react to this new and dangerous situation.
A possible plot twist in this fanfiction might be that Naruto's new status as the jinchuriki of Saiken attracts a new group of enemies who are specifically after the power of the Six - Tails. Also, there could be a situation where Naruto's friends start to fear him because of Saiken's power, thinking he might lose control. And perhaps there is a hidden prophecy that only Naruto as the jinchuriki of Saiken can fulfill, which leads to a whole new adventure and set of challenges for him.
Well, the plot could involve Itachi having to deal with the power of the tailed beast within him. Maybe he has to constantly struggle to control it while still maintaining his calm and collected exterior. He could use the power in unexpected ways to protect his village or those he cares about, like Naruto does with the Nine - Tails.
In this kind of fanfiction, Naruto might grow up with a better understanding of his Jinchuriki status from the start. He could be trained in a more specialized way. For example, he might learn unique jutsu related to the Nine - Tails' power earlier. Also, he could have more comrades who are also Jinchurikis, and they could form a strong bond, sharing their experiences and difficulties. This could lead to a Naruto who is more confident and in control of his power compared to the original story.
Well, it could be about Naruto having to deal with the power of two Bijuus. Maybe he struggles to control their combined power at first. He might face new and more powerful enemies who are after the power he now holds. And there could be a whole new arc of training to master this unique situation.