They would probably be very protective of each other. Naruto, with his never - give - up attitude, would always be there to support Pyrrha in her battles. And Pyrrha, being a strong and noble character, would also look out for Naruto. They might train together, with Naruto teaching Pyrrha some of his ninja techniques and Pyrrha showing Naruto how to use her weapons more effectively.
In this fanfiction, their relationship could be a source of great strength. Naruto, having grown up alone for a part of his life, would cherish having a sister like Pyrrha. Pyrrha, on the other hand, would see Naruto as a kindred spirit. They could team up against common enemies, with Naruto using his speed and clones, and Pyrrha using her combat skills and semblance. Their bond would be unbreakable, and they would inspire each other to become better, both in terms of their abilities and their characters.
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.
It would likely be a very protective relationship. Harry, being the older brother, would probably use his magic to keep Naruto safe from various threats in the Naruto world. He might teach Naruto some basic magic skills as well, which could give Naruto an edge in his battles.
Naruto would have a complex relationship with Issei. On one hand, he would be proud of Issei's growth as a fighter and his loyalty to Rias. On the other hand, he would be a bit overprotective of Rias around Issei, given his nature. He would probably give Issei some tough love, pushing him to become stronger while also making sure he respects Rias and the peerage.
If Naruto was Deidara's brother, their relationship would be a study in contrasts. Naruto, with his bright and sunny personality, would be the polar opposite of Deidara's brooding and destructive nature. At first, Deidara might resent Naruto for being so different from him and for having a more positive view of the world. But as time passed, Naruto's unwavering belief in the good of people could start to rub off on Deidara. They might have some intense arguments about their different worldviews, but also share some quiet moments where they just understand each other as brothers. And Naruto would always be there to pick Deidara up when he was down, even if Deidara didn't always show his appreciation.
They would probably have a complex relationship. They might start off not knowing about their relation and then have a big revelation. At first, they could be rivals, given their strong personalities.
They would probably have a very close relationship. Twins often have a special bond, so Naruto and Ino would likely be no different. They would support each other in their ninja training and missions. Ino might be a bit bossy towards Naruto, but it would be out of love. Naruto, on the other hand, would be very protective of Ino.
Well, in fanfiction, anything can be possible. It could be that in this fictional universe, there are some magical or cross - dimensional events that led to Naruto and Pyrrha being related as siblings. Maybe there's a powerful being that decided to create this strange connection for some greater purpose in the story, like uniting two different fictional worlds in a unique way.
The relationship would be more trusting from the start. Since they are brothers, Sasuke might not be as quick to envy Naruto's progress. Naruto would also be more protective of Sasuke and vice versa. They would probably share their secrets more openly and train together more often.
Her relationship with her team would likely become more complex. They might start to notice that she's different, more powerful and a bit more secretive. For example, Nora might be a bit hurt that Pyrrha doesn't share her new situation with her right away. Ren, on the other hand, would be more understanding but still concerned about the potential danger it brings to the team.
It would be a relationship full of mutual growth. Naruto, with his never - give - up attitude, could inspire Erza to keep pushing forward in the face of adversity. At the same time, Erza's strong - willed and independent nature could make Naruto realize that he doesn't always have to carry the burden alone. They would also have a lot of fun together, with Naruto's sense of humor bringing some light - hearted moments into Erza's often - serious life.