Naruto is secretly blind fanfiction: What could be the possible plotlines in such a fanfiction?

One possible plotline could be that Naruto discovers a hidden vampire world while on a mission. Maybe he stumbles upon a vampire lair and has to figure out how to deal with these new, powerful creatures. He could be intrigued by their powers and try to learn from them while also keeping his own ninja village safe from any vampire threats.

One storyline could be Naruto gradually losing his sight over time but hiding it because he doesn't want to worry his friends or seem weak. He could struggle with simple tasks like reading scrolls or finding his way around Konoha without making it obvious.

One possible plotline could be that they got married to form an alliance between two powerful factions secretly. Another could be that they fell in love while on a secret mission together that no one else knew about. Maybe Itachi was on a mission to protect Naruto from afar and they developed feelings over time.

A 'Naruto Secretly Blind' fanfiction could be centered around Naruto's secret being a major plot device. It could be that an enemy discovers his blindness and tries to use it against him. Naruto then has to find new ways to fight and protect the village. His blindness could also be the result of a powerful jutsu gone wrong, or perhaps it was a sacrifice he made for the greater good without anyone knowing.

One possible plotline could be Timmy struggling to keep her secret while dealing with her Fairy Godparents. Maybe she's afraid they'll react differently if they find out she's a girl. For example, she might worry that they'll start treating her like a princess instead of a regular kid with wishes.

One possible plotline could be that they discover they have more in common than they thought. Maybe they start working together on a project in the wizarding world, like researching a long - forgotten magic. As they spend time together, they realize their feelings for each other have changed from hatred to love. To avoid the chaos that would ensue from their families and friends' reactions, they decide to marry secretly. Another idea is that they are forced into a situation where they have to pretend to be married for some magical reason, like protecting a powerful spell or object. During this time, they start to really fall for each other and end up making it a real, secret marriage.

One plotline could be that they got married secretly to protect each other. Maybe Snape has some dangerous enemies and Hermione wants to help him, so they tie the knot in secret. Another could be that they fell in love while working on a very complex magical project together and decided to marry without anyone knowing because they feared the reaction of others.

One plotline could be that Ash is on a secret mission for the Elite Four. He has to travel around the Pokémon world, but without revealing his connection to the Elite Four. Another could be that he's in a situation where he has to choose between his friends and his Elite Four duties.

One possible plotline could be Naruto losing his sight in a battle but then discovers his latent swordsmanship skills. He might train under a master swordsman who helps him adapt to his blindness. Another could be that Naruto is born blind but has an extraordinary sense of hearing and smell which he uses to become a great swordsman. He could face discrimination from some in the ninja world at first because of his disability, but prove them wrong with his skills.

One possible reason could be overusing his special powers like the Rasengan or Sage Mode. These techniques might have some sort of negative impact on his eyes over time. For example, if he doesn't control the chakra flow properly during these powerful moves, it could damage his optic nerves gradually.