The new settings created by the crossover. You get to see the world of Highschool DxD from Naruto's perspective or vice versa. This can lead to some unique interpretations of both worlds. For example, how would the Hidden Leaf Village look like if it was in the same universe as Highschool DxD? And how would the characters from Naruto react to the more risqué elements of Highschool DxD's world? These are all things that make the fanfictions so interesting.
I'm not sure about specific 'naruto x highschool dxd' fanfictions off the top of my head. But when you search for them, look for ones with high ratings and lots of reviews. Those are usually the better ones. Also, some fanfictions might focus on the relationships between the characters from the two series. Maybe Naruto forms an unlikely alliance with a character from Highschool DxD, and the story builds from there.
Some popular sites for fanfiction include Fanfiction.net and Archive of Our Own (AO3). On Fanfiction.net, you can simply use the search bar and type in 'Naruto x Highschool DxD' to find relevant fanfics. AO3 also has a large collection. Just make sure to check the ratings and tags to find the ones that suit your taste.
Reading Naruto and Highschool DxD fanfiction can enhance your creativity. When you read different fan - made stories, you see how others use their imagination to build on the established concepts. It might inspire you to create your own stories or fanart. You also get to experience different emotions through these stories. There could be heart - warming tales in Naruto fanfiction or exciting adventures in Highschool DxD fanfiction that make you feel a range of emotions, just like the original works do.
One idea could be that Naruto is somehow transported to the world of Highschool DxD. He could use his ninja skills and chakra in the new world, maybe even teach some of the characters there a thing or two about combat. For example, he could show Issei how to better control his power using chakra control techniques.
One option could be to check out fanfiction websites like FanFiction.net or Archive of Our Own. They usually have a wide range of fanfictions related to Naruto and High School DxD. Just search for 'godlike' in the relevant categories to find ones that might interest you.
The storylines can be combined by creating a common threat. Suppose an enemy emerges that is interested in both the power of the Bijuu and the power sources in Highschool DxD. This would force the characters from both universes to team up. Also, the cultural differences between the Naruto world and the Highschool DxD world can be explored. Naruto could introduce concepts like ninja clans and shinobi training to the DxD characters, while they could introduce him to the complex social hierarchies and supernatural politics in their world.
Well, it could be interesting because Naruto has his own unique set of skills and personality traits. When he reads Highschool DxD fanfiction, he might be comparing the different power systems in both universes. Maybe he's intrigued by the devilish elements in Highschool DxD compared to the ninja world he comes from. He could also be interested in the character relationships in the fanfiction that are different from what he experiences in his own story.
Well, in a 'Naruto x Greyfia Highschool DxD' fanfiction, perhaps Naruto is a new transfer student in the Highschool DxD. Greyfia could be a popular student there. Naruto's positive and energetic attitude might attract Greyfia's attention. They could start off as friends and gradually develop a deeper relationship. Maybe they get involved in the supernatural battles of the DxD world together, with Naruto using his Rasengan and other jutsu while Greyfia uses her demonic powers. And as they spend more time together, they learn from each other's worlds and values.
One possible plot could be that Naruto is somehow transported to the Highschool DxD universe and meets Gabriel. They might team up to face a common threat that is endangering both the ninja world and the supernatural world of Highschool DxD. Naruto's unique skills as a ninja could be combined with Gabriel's angelic powers in an epic battle against evil forces.