A possible plot could involve Naruto being mistaken for a werewolf due to some of his abilities or appearance. In the High School DxD world, where different species are often at odds, this could cause a lot of trouble for him. He would have to prove his innocence while also trying to stop the real werewolves from causing chaos. The DxD characters might be initially suspicious of him but then come to realize his true nature and work together with him to deal with the werewolf problem.
In this fanfiction concept, the werewolf aspect might add a new layer of danger. The werewolves could have powers that are different from both Naruto's ninja abilities and the DxD characters' unique skills. For instance, they could have enhanced strength and senses during the full moon. Naruto might have to use his shadow clones in new ways to combat them, like sending clones to scout for werewolf activity while he tries to figure out a more permanent solution with the help of DxD characters.
There could be an interesting story where Naruto characters are in the world of High School DxD with werewolf elements. Maybe Naruto has to deal with the complex social and power structures in the DxD world while also facing the werewolf threat. For example, Naruto's ability to make friends could help him form alliances with some of the DxD characters against the werewolves.
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 possible fanfiction could be about Naruto characters attending the school in High School DxD. For example, Naruto's positive and determined attitude might clash with the more complex social and power dynamics in the DxD world. He could make new friends or even rivals among the devils, angels, and fallen angels.
One possible fanfiction could be about Naruto characters somehow ending up in the world of High School DxD. Maybe Naruto's skills in combat and his determination would make him a formidable opponent in the battles that often occur in the High School DxD universe. He could form interesting alliances or rivalries with the characters there.
A fanfiction might explore how the power of the Excalibur in High School DxD would interact with Naruto's chakra. Since the Excalibur is a powerful holy weapon, it could have some interesting reactions when in the presence of Naruto's unique chakra, which is different from the magic in the High School DxD world. For example, it could either enhance or nullify certain abilities depending on how the author writes it.
In a Naruto - High School DxD fanfiction, the power levels would be really interesting to explore. Naruto's sage mode and tailed - beast forms are extremely powerful. In the DxD world, there are different power systems like the Sacred Gears. It would be fascinating to see how Naruto's powers interact with the powers of the DxD characters. For example, could his Rasengan be enhanced by a Sacred Gear? Or how would he fare against a devil's magic?
One possible scenario could be that Naruto characters are somehow transported to the world of High School DxD. Naruto's ninjutsu skills would be quite a shock to the devils and angels in that world. For example, Sasuke's Sharingan could give him an edge in battles against the supernatural beings in High School DxD. And Naruto's never - give - up attitude might inspire some of the characters there to face their challenges more bravely.
Another aspect could be the relationships. Naruto might form a friendship with some of the DxD characters, like Issei. Together, they could face the werewolf challenges. Naruto could teach Issei some of his ninja training techniques to help in battles against the werewolves. And the werewolves might be after a powerful artifact in the school, and Naruto and his new friends have to protect it.
In a Naruto and High School DxD delinquent fanfiction, the characters from both series could form interesting relationships. Naruto's positive attitude might clash with some of the more devilish or mischievous characters in High School DxD. He could try to reform some of the delinquents there, using his own experiences of being an outcast in Konoha at first. This could lead to some really cool character development and interactions between the two universes.
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.