One plot idea could be a story where young Naruto and Hinata are paired for a school project. Naruto is initially clueless and Hinata is too shy to take charge, but as they work together, they start to understand each other better. Naruto's determination rubs off on Hinata and gives her more confidence, and Hinata's kindness makes Naruto more sensitive to others' feelings.
A third plot idea might involve a mystery in the village that only Naruto and Hinata seem to notice. They decide to investigate together. Along the way, they face various challenges and obstacles. Hinata uses her Byakugan to gather information and Naruto uses his unique skills to get them out of tight spots. As they solve the mystery, their bond grows stronger.
One plot idea could be a story where Naruto and Hinata are paired up for a mission in their younger days. During the mission, they face various challenges that force them to rely on each other. Naruto starts to notice Hinata's strength and kindness in a new light, and Hinata becomes more confident around Naruto. Another idea is a story set during a festival in Konoha. Naruto gets separated from his friends and ends up spending the day with Hinata. They share food, play games, and Naruto realizes how much he enjoys her company. A third plot could be about Naruto getting injured and Hinata taking care of him. This allows them to have deep conversations and brings them closer together.
One idea could be a story where young Naruto and Sakura go on a special mission together in a hidden forest. They encounter a rare magical creature that only appears once every hundred years. This creature gives them a task to complete in order to save the forest from a dark curse. Another plot could be that they accidentally time - travel back to the founding days of Konoha and have to find a way to return to their own time while not changing history too much. And a third idea is that they discover a secret underground training ground that was built by the first Hokage and train there together, facing various challenges along the way.
A plot could involve young Tsunade being in a difficult situation where she loses confidence in her abilities. Naruto, who has always been about believing in oneself, comes across her and through his own experiences and words of encouragement, helps Tsunade regain her self - assurance and in turn, she helps him improve his ninjutsu control.
One idea could be Naruto finding himself in the Young Justice universe and teaming up with Artemis. Maybe they go on a mission to stop a new villain who has the power to manipulate time. Naruto's unique jutsu could be a great asset in combat against this villain.
A plotline could be that young Hinata gets lost in a mysterious forest near the Hidden Leaf Village. Naruto goes to find her, and during their time in the forest, they discover an ancient ninja artifact. They have to figure out how to use it or keep it safe from evil ninja who also want it. This adventure would test their skills and bring them closer together.
One interesting Naruto and Hinata fanfiction could be about their early days at the ninja academy. Maybe Naruto saves Hinata from some bullies, and it starts a special bond between them. They could start training together secretly, and Naruto slowly realizes Hinata's strength and kindness.
Maybe in the fanfiction, Naruto discovers a hidden part of his chakra that has a special link to young Kushina. This link allows them to communicate telepathically. They then use this connection to share secrets about their respective lives, and Naruto learns more about his mother's past and her dreams when she was young.
One idea could be that Naruto is somehow transported to the Young Justice universe. He then has to learn how to work with the team while also dealing with villains he's never faced before. Another plot could be that a villain uses some sort of magic or technology to merge the two worlds, forcing Naruto and the Young Justice members to cooperate to separate them again.
One idea could be that Naruto, as a young Anbu, discovers a hidden monster within the village that is being used for secret experiments. He then has to figure out how to stop the monster from causing chaos without revealing the village's dark secret.
A more complex plot could be that there is a prophecy in both universes that foretells of a combined force from both Naruto's world and the Young Justice world being the only thing that can stop an upcoming great evil. This would lead to a series of events where characters from both sides have to learn to trust and work together. Naruto could bring his friends from Konoha, and together with the Young Justice team, they would train and strategize to face this ultimate threat.