You could try to ground yourself in reality. Do more outdoor activities, spend time with friends and family. Maybe keep a journal to record when and how you 'see' these ghost stories, and look for patterns. It could be related to your mood or certain situations. If it persists and really bothers you, consider talking to a psychologist who can help you understand what's going on in your mind.
One important ghost could be the previous Hokages. They have a lot of knowledge and wisdom about the village and its secrets. Naruto seeing them could be a way for him to get some really valuable advice on how to deal with the current threats to the village, like a new powerful enemy or internal political issues.
It's not normal in a scientific sense. Maybe you have a very vivid imagination. Sometimes our minds can create the illusion of seeing such things when we're really into ghost stories.
The Black and White Ghosts were gods that specialized in catching evil ghosts. Their duty was only to catch ghosts and would not disturb ordinary people. Therefore, if you see the Black and White Ghosts, you don't have to be afraid. If you are afraid, you can immediately recite the name of Buddha or Guan Yin Bodhisattva to ease your fear. However, there was no clear answer in the search results. Therefore, I don't know how to answer this question.
In some 'izuku can see ghosts fanfiction', Izuku may form an unexpected alliance with a powerful ghost. This ghost could teach him unique skills or knowledge that he can use to become a better hero. It could be a story of mutual growth and understanding between the living and the dead.
The Black and White Impermanence didn't really exist. They were just a pair of gods in Han folk culture, characters in myths and legends. Therefore, no one could see the Black and White Ghosts because they only existed in legends.
Romance male protagonists who could see ghosts were usually people with special abilities or superpowers. This kind of plot often involved the male protagonist's contact and adventure with ghosts, and it was often accompanied by the support and help of the female protagonist. Such a plot would usually make the readers feel nervous and excited, and it would often trigger the readers to think about human nature and morality.
It could affect the plot by making Naruto more cautious. Since he can see ghosts, he might be constantly on edge, not knowing if a new ghost is a friendly one or a threat. This could lead to him making different decisions in battles or in his interactions with other characters. He might also try to avoid certain places where there are a lot of ghosts, which could change the course of his adventures.
One such story could be 'The Haunting of Hill House' where some characters have the ability to sense and interact with ghosts. It's known for its creepy atmosphere and complex characters.