One great Issei fanfiction is 'Raising Hell with Issei'. It shows a different side of Issei's growth and his adventures in the Highschool DxD universe. The story has some really interesting plot twists that keep you hooked.
Ichigo could be a game - changer. His Hollow - like powers might be mistaken for some sort of demonic or otherworldly ability in the Highschool DxD setting. This could lead to both misunderstandings and interesting interactions with the characters there.
One possibility could be that Ichigo's powers would make him a very unique and powerful character in the Highschool DxD universe. His zanpakuto abilities and high - level combat skills could give him an edge in the battles against the devils and other supernatural beings in that world.
One great 'Op Naruto Highschool DxD' fanfiction is 'Naruto in the World of Highschool DxD'. It has an interesting plot where Naruto's skills and abilities from his own world blend well with the unique setting of Highschool DxD. The story focuses on how he adapts to the new environment and the relationships he forms with the characters there.
Well, Naruto's positive attitude and never - give - up spirit would contrast with some of the more self - interested characters in DxD. He could inspire them to be better. And his unique abilities like the rasengan could be a new weapon in the battles against the various devils and other supernatural beings in DxD.
A great fanfiction could involve Naruto's overpowered (op) abilities being introduced into the Highschool DxD universe. For example, Naruto's shadow clone jutsu could be used in the battles at the high school in DxD. His ability to harness chakra might be a new form of power in that world.
There are quite a few out there. For example, 'My OP Life in Highschool DxD'. In this fanfiction, the self - insert character has some extraordinary skills that help them navigate through the complex world of Highschool DxD. They might be able to use magic in a way that no one else can, or have a special connection to the supernatural elements in the story. Another great one could be 'Highschool DxD: OP SI's Impact' where the self - inserted character has a significant impact on the overall plot and relationships of the original story.
One common theme is power escalation. Since Issei is OP in these fanfictions, the story often focuses on how he continues to gain and control his ever - increasing power. Another theme is harem - related, as in the original Highschool DxD, Issei has a harem. In the fanfictions, his OP status might attract even more characters to his harem, and the dynamics within the harem change because of his new power level.
It has ended. The last chapters wrapped up the plot and brought the manhwa to a close. There might be spin-offs or related works in the future, but the main storyline is completed.