Well, their brotherly relationship could also be shown in how they deal with the village's problems together. Naruto's strong will and Minato's wisdom could combine. They might face off against a new, powerful enemy that threatens Konoha. Naruto would be all about charging in, while Minato would plan a more strategic approach, and they'd have to learn to work with each other's styles.
One way to explore their relationship is through family memories. Since they are brothers in this fanfiction, they could have some shared family experiences that Naruto never had in the original story. Maybe they had a special place in the village where they used to play as kids, and as they grow older, they go back there to reminisce and strengthen their bond.
In a fanfiction where they are brothers, their relationship might start off rocky. Deidara is from Iwagakure and Naruto from Konohagakure. They could have grown up apart due to the political situation between the two villages. But when they discover they are brothers, they might struggle to come to terms with it. Naruto, being the more optimistic one, would probably be the first to reach out, while Deidara, with his more rebellious nature, would be hesitant. However, over time, they could form a strong bond based on their shared blood and mutual understanding of the shinobi world.
In a fanfic, their relationship could be explored through shared adventures. Maybe they discover they are brothers early on. They could learn from each other's skills, like Naruto's Rasengan and Deidara's explosive art. They might face challenges together against common enemies, like the Akatsuki or other powerful foes. Their different personalities would also play a big role. Naruto's optimism and determination could contrast with Deidara's more explosive and impulsive nature.
Their relationship can be explored through flashbacks. For example, Minato could have left behind memories or messages for toddler Naruto that are revealed as Naruto grows. Another way is to have Minato's spirit interact with toddler Naruto, like guiding him in his dreams. They could also explore their relationship by showing how Minato's traits are already starting to show in toddler Naruto, such as his determination.
Their relationships could be explored through flashbacks. For instance, we could see how Minato interacted with Tsunade when he was alive. Maybe he sought her advice on certain matters, or they had some joint missions. This would give us insights into their respect for each other.
One way to explore their relationship is to have Minato's friends, like Jiraiya, tell baby Naruto stories about his father. As Naruto listens, he starts to form an image of Minato in his mind. This could lead to Naruto trying to imitate Minato in different ways. Also, the fanfic could show how Minato's sacrifice for the village is slowly understood by baby Naruto as he grows up, deepening the emotional connection between them.
One way to explore their relationship is through flashbacks. For example, showing their childhood together, how they were different even as kids. Batman might have been the more serious and rule - abiding one, while Joker was always the troublemaker. In the present of the fanfiction, Batman could be trying to rehabilitate Joker, believing that there is still some good in him because of their brotherly bond.
Their relationship would likely become more equal. In the original story, Minato was more of a distant, heroic figure to Naruto. But through time travel, they can interact as peers, sharing knowledge and experiences. This would deepen their bond.
In a fanfiction about them as siblings, their powers could be an interesting aspect. Naruto has the Nine - Tails' power, while Tayuya has her music - based jutsu. They could train together and combine their powers in unique ways. For example, Naruto could use his chakra to enhance Tayuya's sound - based attacks, creating a powerful new form of combat that is exclusive to their sibling bond.
In fanfiction, Naruto and Obito could have a very complex relationship as brothers. Obito, with his troubled past, could be both a source of protection and a cause for worry for Naruto. Naruto's positive nature might initially be at odds with Obito's more jaded view, but over time, Naruto could help Obito see the good in the world again.
If they were brothers, they would probably have a very competitive relationship at first. Naruto is always trying to prove himself in the ninja world, and Natsu is constantly looking to be the strongest wizard. But over time, they would realize that together they are much stronger. Their different abilities would complement each other. For example, Naruto's wind - style jutsu could enhance Natsu's fire magic, making it even more powerful.