Well, the plot could start with Naruto being turned into a Shinso Vampire in some mysterious way. Maybe during a mission in a strange land, he gets bitten by a powerful Shinso Vampire. Then, he has to deal with his new powers and cravings while still trying to protect the Hidden Leaf. His friends might initially be scared of him, but as they learn more about his situation, they try to help him control his vampire side.
One possible plot could be that Naruto discovers he has Shinso Vampire blood in him all along, but it was dormant. As he starts to show vampire - like traits, the village begins to suspect him. He has to prove that he is still the same Naruto who wants to protect everyone. Meanwhile, he also uncovers a plot by an evil force that wants to use his new vampire powers for their own gain. So he has to fight against this force while also coming to terms with his new identity.
In a 'Naruto is a Shinso Vampire' fanfiction, the plot could involve Naruto being an outcast in the village due to his new vampire nature. He decides to leave and explore the world of Shinso Vampires to better understand himself. Along the way, he meets other vampires, some friendly and some not. He learns about their culture and powers, and eventually, he returns to the Hidden Leaf with new knowledge and strength. He then uses his combined ninja and vampire skills to defend the village from a powerful enemy that neither ninjas nor vampires could face alone.
A cool plot could be that a powerful vampire targets Naruto because of his unique chakra. Shinso gets involved as he senses something is wrong with Naruto. They discover that the vampire wants to use Naruto's chakra to break a curse on their clan. Shinso and Naruto must decide whether to help the vampire or fight against it.
In 'naruto shinso vampire dxd fanfiction', the theme of adaptation is quite prominent. Characters are thrust into a completely new environment with different rules and species. They need to adapt to survive. Another theme is the struggle for power and control. With the addition of Shinso powers and vampirism, there are often power struggles within the story, whether it's between different factions in the DxD world or between Naruto characters and the new elements they've acquired.
One possible plotline could be that Shinso, who has some sort of vampire - like abilities, gets transported into the Naruto world. He might have to hide his true nature from the ninja there while also using his powers to help or hinder the characters. For example, he could use his mind - control ability (if it's related to the vampire concept) to influence battles.
A common theme could be power. Naruto already has his own powers in the original series, and adding vampire abilities or being in a world with Shinso could create new power dynamics. Another theme might be identity. Naruto might struggle with his new vampire identity or how he fits in with Shinso characters.
Well, for a fanfiction like this, Naruto could bring his ninja training and knowledge of different jutsus. Shinso's presence would add a psychological aspect as he can mess with people's minds. They could get involved in the power struggles in the Vampire Highschool DxD world. Maybe they side with a particular group, like the Gremory family, and help them in their battles against other factions. It would be a story full of action, mystery, and new friendships as Naruto and Shinso navigate this strange new world.
Naruto and Shinso are the primary ones. But we could also have an old and wise vampire elder as a main character. This elder could have knowledge about a prophecy that involves Naruto and Shinso, and his actions and decisions would drive a lot of the plot as he tries to either fulfill or prevent the prophecy.
Since I'm not familiar with this exact fanfiction, I can only speculate. 'issei is a shinso vampire fanfiction' could potentially tell a story full of mystery and the supernatural. Shinso vampires might have their own set of rules and hierarchies in the fictional world. Issei, being one of them, could be involved in power struggles, or perhaps he's on a quest to discover his true origins as a shinso vampire. It could also be a love story where his vampiric nature complicates his relationship with someone.
One possible fanfiction could involve Naruto's ninja skills in the world of Vampire Highschool DxD. Maybe he uses his shadow clone jutsu to outwit the devils and vampires. Shinso could use his mind - control quirk from My Hero Academia (assuming that's where he's from in this crossover) to manipulate the various supernatural beings. It would be a chaotic yet exciting mix of different anime universes.
There could be a fanfiction where Tsukune and Moka accidentally switch bodies. This would lead to a lot of comical situations as they try to adapt to each other's lives. Moka in Tsukune's body would have to deal with human school life and Tsukune in Moka's body would have to handle the vampire society. Additionally, a plot about a mysterious prophecy that involves both of them and their fates being intertwined with the future of the vampire - human relations could be really engaging.
The unique elements also lie in the character development. Since Issei and Shinso are not originally vampires in the source material, their transformation into vampires or their journey within the vampire world allows for a lot of growth. They may struggle with their new identities, dealing with the thirst for blood, and the moral implications of being a vampire. This internal conflict and the way they overcome it or succumb to it is what makes these fanfictions interesting. Additionally, the fanfictions often introduce new vampire lore, like unique ways of turning others into vampires or different hierarchies within the vampire community.