Yes, there are quite a few. You can start by looking on popular fanfic platforms like Archive of Our Own. Just search for 'ajin izumi and nakano' and you'll likely find a variety of stories with different themes and interpretations.
I'm not sure specifically what 'nagai taitoru light novel' is about as the name doesn't ring a bell for a well - known general work. It could be a relatively unknown or a very niche light novel. Maybe it has unique characters and a plot set in a fictional world that combines elements like adventure, fantasy or slice - of - life, but without more context it's hard to say for sure.
Well, 'ajin crossover fanfiction' is basically when fans combine the 'ajin' universe with elements from other fictional worlds. It could be mixing 'ajin' characters with those from a different anime or a popular book series. For example, they might put 'ajin' characters in the setting of a post - apocalyptic world from another story. This allows fans to explore new storylines and character interactions that the original 'ajin' story didn't cover.
I'm not sure specifically what 'ajin full story' refers to without more context. It could be about a character named Ajin, perhaps from a book, movie or game. But without more details, it's hard to say exactly what the full story is.
Well, it could be about Naruto having the abilities of an Ajin. Maybe he discovers he can't die like an Ajin and uses this to his advantage in battles against powerful foes in the Naruto world. He might keep this ability a secret at first and struggle with the moral implications of being 'immortal' in a sense.
If Nagai Kami On is a specific entity in a horror story, it could be unique in terms of its origin. For example, if it comes from a very specific cultural or religious background, that would make it different. It could also have unique ways of tormenting its victims, like using some sort of strange magic or psychological warfare that is not typical in other horror stories.