Kakashi could be another popular character. His experience and wisdom might be used in fanfiction to either study the Satsui no Hado or to try and prevent its spread. He has a deep understanding of different powers in the Naruto world, and so his inclusion in stories related to this power can add an interesting layer of depth.
In this type of fanfiction, there could be a concept of the Satsui no Hado being combined with other powers or elements in the Naruto world. Like, perhaps it could be merged with a nature transformation, such as lightning or fire, creating a whole new and extremely powerful ability. This would not only change the power dynamics in battles but also open up new storylines for the characters involved.
One possible fanfiction could be about Naruto learning a new jutsu similar to Hado 90 from another dimension. Maybe he meets a strange ninja who teaches him this powerful technique. Naruto then has to master it quickly to defend his village from a new threat.
Nejire Hado manga hentai is a form of adult-oriented content based on the character Nejire Hado, but it may not be officially sanctioned or appropriate for all audiences.
I'm not sure specifically what 'inma no hado web novel' is about as it's not a widely known title to me. It could be a very niche or regional web novel. Maybe it's about some sort of fantasy adventure with unique characters and a complex plot.
In a Naruto Hado 90 fanfiction, Naruto might find himself in a parallel universe where the ninja world is based on different energy systems, and Hado 90 is part of that system. He has to figure out how to use it while also dealing with the different politics and power struggles in this new world. For example, there could be a powerful clan that wants to monopolize the use of Hado 90, and Naruto has to stop them to protect the innocent. This would involve him making allies, learning the secrets of this new world, and of course, mastering Hado 90.
It could be a rogue ninja from a forgotten clan who has mastered the Satsui no Hadou and wants to use it to take over the ninja world. This character might have a vendetta against the major ninja villages and see Naruto as a major obstacle.
The Nejire Hado anime is a decent adaptation of the manga. It captures the key elements and emotions well. There might be minor tweaks here and there to fit the animation format, but it doesn't stray far from the manga's essence.
There is some. I've seen some on Wattpad as well. Some focus on how Nejire's bubbly personality might interact with Deku's more reserved and determined nature. It's really interesting to see how different authors imagine their relationship developing. For example, some might write about them meeting during a hero event and gradually falling for each other.