It could be Hinata. In the original series, Hinata has a deep affection for Naruto. In a fanfiction, it would be a natural progression for her to be his secret fiance. Maybe they got engaged secretly to avoid some political unrest in the village.
It might also be Gaara. Their initial encounters were filled with tension, but as the story could be twisted in fanfiction, that could develop into a different kind of relationship. Gaara's own journey of self - discovery and Naruto's influence on him could be a basis for a romantic relationship in fanfic.
In Naruto fanfiction, the jutsus often play a crucial role. When combined with a 'league' - like a group of ninjas - and secret identities, it can create really exciting plots. For example, a ninja could have a secret jutsu that he uses only when his secret identity within the league is at stake. This adds mystery and suspense to the story.
Well, in this fanfiction, it could be that Naruto is secretly a huge fan of the Hokage legacy but for some reason, like he doesn't want to show off or he's afraid of not being good enough, he keeps it a secret. Maybe he secretly studies the great Hokages' deeds and techniques, trying to find his own path to the Hokage title while under the radar of his friends and villagers.
Yes, there are likely some fanfictions out there about Naruto and Kurenai having a secret love. Fanfiction writers often explore different pairings and relationships within the Naruto universe. You can try searching on fanfiction websites like FanFiction.net or Archive of Our Own to find such stories.
It could be about Naruto having a secret power that he discovers late in his journey. Maybe it's a special chakra form that gives him abilities he never thought possible.
He might meet the spirit of an ancient ninja who was the keeper of the library. This spirit could guide Naruto through the library and teach him things that no one else in the present day knows.
Yes, it could. If the fanfiction reveals a major secret like Naruto being related to a powerful, previously unknown clan, it could change how the other characters view him and the power dynamics in the Naruto universe.
One great 'Naruto and Sakura Secret Love Fanfiction' is 'Hidden Hearts' where their relationship unfolds gradually. It delves deep into their unspoken feelings and how they navigate through the chaos of the ninja world while keeping their love a secret.