Well, in this fanfiction, Naruto could start off as an outcast in the High School DxD world because of his different upbringing. However, his determination and strong will would soon attract the attention of the main characters. He could form an alliance with Issei and the others. Naruto's ability to sense danger and his combat experience would be a great asset. For example, when facing powerful enemies, he could quickly analyze their weaknesses and come up with strategies, just like he did against the Akatsuki in his own world.
If Naruto becomes a part of the High School DxD universe in this fanfiction, he would bring a whole new dynamic. His ninja way of never giving up would inspire the characters in this new world. He might also learn about the power of sacred gears and try to find a way to incorporate his own abilities with them. There could be a lot of comical moments too, like when Naruto tries to understand the concept of perverted activities that are somewhat common in the High School DxD world, and his innocent reactions would be quite amusing.
A 'Naruto in High School DxD' fanfiction could involve Naruto being transferred to the DxD school. He would stand out immediately with his orange jumpsuit. His Rasengan could be a very powerful move against the devils and angels in that universe. And his sense of justice would likely lead him to get involved in all the power struggles and protect the weak, just like he did in his own world.
In this fanfiction, Naruto becoming a guardian might mean he has to learn new rules and powers related to guardianship. He could start by befriending other guardians and learning from them. His journey would be about not only protecting but also understanding this new role. He might face challenges from those who don't trust a ninja in a guardian's role, but he'd prove himself with his determination and strength.
Well, the plot could involve Naruto getting tired of the shinobi life. He might start hanging out with the wrong crowd in the village, like some small - time thugs. He could use his ninja skills in illegal ways, for example, stealing valuable scrolls not for the good of the village but for his new 'gang'. His friends like Sasuke and Sakura would be shocked and try to bring him back to the right path.
A 'Naruto is God' High School DxD fanfiction would be full of interesting crossovers. Naruto's sage mode could have a different interpretation in the High School DxD world. He might use it to sense the auras of different supernatural beings more clearly. His relationship with the female characters in High School DxD could also be an interesting aspect. Maybe some of them would be in awe of his god - like status, while others might challenge him. And his moral code, which is influenced by his experiences in the Naruto world, would likely clash or blend with the values of the High School DxD world. This could lead to many complex and engaging storylines as he tries to navigate this new universe while being a god - like figure.
In such a fanfiction, we might see Naruto using his senjutsu to gain an edge in the battles that often occur in the High School DxD universe. His sage mode could give him an advantage against the various powerful beings in that world. The fanfiction could also delve into the relationships between Naruto and the different characters in DxD. Would he become friends with Issei? How would Rias react to Naruto's presence? There are countless possibilities for an exciting and unique story.
His shadow clone jutsu would have great potential in the High School DxD world. He could use it for reconnaissance, sending clones to gather information about the various factions. Also, Naruto's sage mode could give him an edge in combat. He might be able to sense the presence of different supernatural beings more acutely. Since his powers are based on his own physical and mental training in the Naruto world, he would need to learn how to use them in a world where there are different power structures like sacred gears and peerages.
In the fanfiction, the plot could revolve around Naruto being influenced by a powerful and evil organization. They manipulate him into believing that the only way to bring peace is through force and killing. As he becomes a cold - blooded killer, we would see him going against his former comrades. There would be intense battles where Naruto uses his new - found ruthless tactics. His character arc would be a dark descent from a hopeful hero to a feared killer.
In a High School DxD fanfiction, Naruto and Sasuke's relationship could be a mix of old grudges and new alliances. They could start off on the wrong foot, with Sasuke being distrustful of Naruto's overly friendly nature towards everyone in the new high school environment. However, as time goes on, they would realize that they need each other. Naruto could help Sasuke open up more, and Sasuke could provide Naruto with a more strategic view of things. They might also team up against common enemies in the DxD world, like some of the more malicious devils or fallen angels. Their relationship would be a slow - burning one, with lots of ups and downs as they navigate the new world and their own personal growth.
A possible plot could be that Naruto is somehow transported to the world of High School DxD. He's seen as a delinquent because he doesn't follow the school's rules which are very different from what he's used to in Konoha. He might start fights with some of the devils or fallen angels in the school who underestimate him. As the story progresses, he forms alliances with some of the students and they work together to solve problems in the school, like stopping a powerful enemy that threatens both the human and supernatural students.
Well, it could be that Naruto, as a Nephilim, enters the High School DxD world. He might use his ninja skills along with his new Nephilim powers. Maybe he has to deal with the devils and angels in the school setting, while also trying to keep his identity a secret. He could form new alliances and rivalries within the school, all while facing challenges that are unique to this crossover world.