Yes, there could be such fanfictions in the vast world of fan-created content. Writers often come up with unique and unexpected relationships in fanfictions. Naruto and Akeno are from different anime series, but in the realm of fanfiction, the boundaries are blurred, allowing for creative crossovers like this one.
There might be some fanfictions out there with this premise. Fanfiction is a great way for fans to explore different 'what - if' scenarios. In a Naruto - Akeno brother fanfiction, it could lead to some really cool storylines. For example, Naruto's sense of justice and determination could influence Akeno in new ways. Or perhaps they would have to face challenges together that are unique to their combined backgrounds, like Naruto dealing with the devil - related politics in Akeno's world while Akeno tries to understand the ninja way.
I'm not sure specifically if there is a widely known fanfiction with Naruto as Akeno's brother. However, fanfiction writers are very creative. They might combine elements from different shows like Naruto and High School DxD (where Akeno is from) to create this kind of relationship. It could be a really interesting concept, exploring how Naruto's ninja world values and abilities would interact with Akeno's world of devils and magic.
A possible plot could revolve around Naruto and Akeno discovering a common enemy. Naruto's experience in fighting powerful foes in his own world would be put to use. Together, they would combine their powers and strategies. Naruto could use his Rasengan while Akeno uses her lightning - based attacks. Their teamwork would be a central focus, and through this, they would strengthen their bond as siblings.
In this fanfiction, Akeno is likely a character who has some sort of relationship with Naruto, either a friend or a love interest, who then does something to break his heart.
The relationship could also be filled with a lot of fun and banter. Naruto is a light - hearted character, and he would probably tease Akeno in a friendly way. At the same time, they would support each other's dreams. If Akeno wanted to achieve something in her world, Naruto would encourage her and use his own experiences to give her advice.
Well, in such a fanfiction, there would likely be a mix of the Naruto universe's ninja elements and the High School DxD universe's supernatural elements. Naruto, as Akeno's brother, would probably be protective of her. They might get into all sorts of trouble, like Naruto accidentally revealing his ninja powers in Akeno's school and causing chaos. And then they'd have to work together to fix the mess while also dealing with any threats from the devil or other supernatural beings in that world.
Their relationship would become more centered around the baby. They would have to communicate more about parenting decisions, like how to train the baby if it has special abilities. Their love would grow deeper as they see a part of each other in their child.
One possible fanfiction could be about Naruto and Akeno meeting in a cross - over universe. Maybe Naruto is on a mission in Akeno's world and they end up teaming up. They could learn from each other's powers and fighting styles. For example, Naruto could show Akeno his Rasengan while Akeno could demonstrate her magic to Naruto.
You can start by looking on fanfiction websites like FanFiction.net or Archive of Our Own (AO3). These platforms have a large collection of fan - made stories, including Naruto Akeno fanfiction. Just use the search function and type in 'Naruto Akeno' to find relevant works.
His presence could also add a lot of emotional depth. Suppose Akeno is going through a tough time, like being bullied. Her brother's reaction, whether it's getting angry and standing up to the bullies or being there to comfort her, can drive the plot in different directions. It could lead to a revenge plot if he decides to take matters into his own hands against the bullies, or it could lead to a more heartwarming story of family support if he just focuses on helping Akeno heal.
A fanfiction could explore the relationships between Naruto, Rias, and Akeno in a more character - driven way. For example, Naruto might be intrigued by the different social structures in their world compared to his. Rias could be fascinated by Naruto's growth from an outcast to a hero. Akeno, on the other hand, might be interested in Naruto's combat techniques. They could start as strangers but gradually develop deep friendships or even more complex relationships as the story progresses.
In this fanfiction scenario, Naruto's betrayal by Akeno could be due to a misunderstanding of their goals. Maybe Akeno has been influenced by some dark forces that made her turn against Naruto. It could also be that there is some hidden information that led to this sudden change in their relationship.