A possible plot could involve a forbidden jutsu in the Naruto world that accidentally transports a group of ninja, including a kitsune - related character, to the High School DxD universe. They then get caught up in the war between the different factions in the DxD world. As they try to find a way home, they form unexpected alliances with some of the DxD characters, like a devil who is interested in their unique powers. Along the way, they have to learn about the new world's rules and powers, which could lead to some interesting power - up moments for both sides.
One plot idea could be that a kitsune from the Naruto universe gets lost and ends up in the High School DxD world. She has to find a way back while also dealing with the various devils and angels in the DxD world. Another could be that a powerful kitsune is reincarnated as a student in the DxD high school and has to hide her true identity while using her Naruto - inspired powers to deal with the school's problems.
Perhaps a Naruto kitsune is summoned by a powerful magician in the High School DxD world. The kitsune, not fully understanding the situation, believes it's a new mission or something similar. Once in the DxD world, they discover that they are in a completely different kind of environment. The kitsune could then start to explore the DxD world, making friends and enemies along the way. They might also encounter other supernatural beings that remind them of creatures from their own world, leading to some interesting cultural exchanges and power struggles.
A Naruto and High School DxD crossover with kitsune elements could be really interesting. One aspect could be the introduction of Naruto's chakra system into the DxD universe. The kitsune in both series have unique powers. In Naruto, the nine - tailed fox is a powerful entity, and in High School DxD, kitsune also possess their own magic. A fanfiction could explore how a character from Naruto, perhaps one with kitsune - like abilities, interacts with the characters in the DxD world. They could share techniques or even form alliances. For example, Naruto characters could teach the DxD characters about chakra control, while the DxD characters introduce Naruto characters to the concept of sacred gears.
One plot idea could be that Naruto is summoned to the High School DxD world by a powerful magic user who mistakes him for a powerful demon. Once there, Naruto has to prove that he is not a threat while also trying to find a way back home. Along the way, he befriends some of the students at the school and helps them with their own problems, like protecting the school from a sudden attack by a group of rogue devils.
A plot idea could be that some of the devils in High School DxD want to learn the secrets of chakra from Naruto. So they kidnap him to their world. Naruto then has to find a way to escape while also dealing with the political intrigue among the devils, angels, and fallen angels. Another idea is that Naruto's shadow clones could be mistaken for some new type of summoned creatures in the DxD world.
One plot idea could be the characters from Naruto finding themselves in the world of High School DxD and having to adapt to the different rules and powers there. They might form alliances with the characters from DxD to face a common enemy.
In this fanfiction, Naruto could be on a mission to find a way back to his own world. Along the way, he teams up with Issei and his group. Together, they face various challenges, including battles against powerful devils. Naruto's sage mode could be a crucial factor in these battles, and he might also learn some new skills from the DxD world.
One idea could be Naruto being summoned into the High School DxD world during a battle. His unique ninja skills would shock the devils and angels in that universe. He might form an unlikely alliance with Issei, perhaps teaching him some ninja techniques in return for learning about the Sacred Gears.
One idea could be that Naruto is somehow transported to the world of High School DxD. He could use his ninja skills, like shadow clones, in the battles that take place in the DxD universe. Maybe he'd form an alliance with Issei and his group, and teach them some ninja techniques to fight against the devils and fallen angels.
Another possibility is a story where the power - up systems of both Naruto and High School DxD are combined. For example, Naruto could learn about the Boosted Gear and use it in a new form of his Rasengan. Or Issei could gain chakra and learn some basic ninja techniques. This would create an interesting dynamic as they face common enemies.
One idea could be that Naruto is somehow transported to the world of High School DxD. He could use his ninja skills, like shadow clones, in the battles against the devils and fallen angels in that universe. Maybe he'd form an alliance with Issei and his group, teaching them some unique ninja techniques.
Well, a cool crossover idea might be the sharing of powers. Imagine if some of the High School DxD characters could learn Naruto's shadow clone jutsu. It would be really useful in battles. Also, the idea of Naruto characters trying to understand the complex social hierarchy in DxD could be very entertaining. They could end up forming alliances in unexpected ways, like the ninjas teaming up with the devils to fight against a powerful demon from Naruto's world that has somehow entered the DxD realm.