I really liked a fanfiction where the Kamen Rider was a reincarnated devil in the Highschool DxD world. It added a whole new layer of depth to the story as the character had to balance his Kamen Rider duties with his new devilish nature. The story explored how the Kamen Rider's sense of justice interacted with the often morally grey areas in the DxD universe.
There are quite a few out there. Some focus on how the power - ups in Kamen Rider could be translated into the DxD power system. For example, a fanfic might have the Kamen Rider's transformation devices being mistaken for powerful artifacts in the DxD world, leading to all sorts of comical and action - filled situations. You can usually find these on popular fanfiction websites by using relevant tags.
Well, it could be about a kamen rider who enrolls in the highschool from DxD. Maybe he has to use his kamen rider powers to fight off devils or other supernatural threats that target the school. He could also form an unlikely alliance with some of the characters from DxD, like Issei and his friends.
You could check out fanfiction.net. There are often some really creative crossovers there. I've found some that blend Naruto's ninja world with Kamen Rider Faiz's unique hero concept quite well. They play with the different powers and character dynamics in interesting ways.
Another place to find good RWBY and Kamen Rider Ghost fanfiction is Archive of Our Own (AO3). It has a large collection of fan - created works. You might come across stories that explore the relationships between the characters of the two shows in a unique way, like how the teams from RWBY interact with the characters from Kamen Rider Ghost when they find themselves in the same world.
It could be one of the well - known kamen riders like Kamen Rider Decade. Since he has the ability to travel through different worlds, it would be plausible for him to end up in the world of Highschool DxD. He could use his powers to adapt to the new environment and deal with the various challenges there.
There are some great Vegito and Highschool DxD fanfictions out there. One that stands out is 'Vegito in the DxD World' which has an interesting plot where Vegito is transported to the DxD universe. He uses his Saiyan and Namekian powers in unique ways to deal with the various situations in the DxD world, like the Rating Games. Another one is 'The Fusion of Two Worlds' which focuses more on how Vegito's presence changes the power dynamics among the devils, angels, and fallen angels in the DxD setting. It's really fascinating to see how the two different universes' concepts are blended in these fanfictions.
One great Naruto fanfiction is 'A New Path'. It offers a unique take on Naruto's character development, exploring a different side of his powers. For Highschool DxD, 'The Red Dragon's Ascent' is quite popular. It delves deeper into the world of devils and angels in the Highschool DxD universe.
One great Scathach fanfiction in Highschool DxD is 'Scathach's Ascent'. It has an interesting plot where Scathach adapts to the modern world of the DxD universe. The author does a good job of portraying her character's strength and grace.
One great Highschool DxD Sitri fanfiction is 'The Sitri's Ascent'. It delves into the unique powers and family dynamics of the Sitri clan within the Highschool DxD universe. The story follows a young Sitri character as they navigate the challenges of the school and the supernatural world. It has an engaging plot with well - developed characters.
In some fanfictions, the merge happens when a powerful artifact from either universe is activated. This could be a Kamen Rider's belt or a powerful relic from Highschool DxD. When this happens, it creates a rift that pulls elements from one universe into the other. The characters then have to deal with the new and unexpected situations. For instance, the devils in DxD might be intrigued by the Kamen Rider technology and try to harness it for their own purposes.
Well, in these fanfictions, the world - building is really cool. The Juubi Naruto elements bring a whole new level of combat and power dynamics. In some stories, Naruto might end up making friends with the devils in the Highschool DxD world because of his straightforward and kind nature. His skills and the power of the Juubi can also be a great asset when dealing with the various threats that pop up in the Highschool DxD universe. It's always exciting to see how different authors blend these two universes together.