One plot idea could be Naruto joining the Police Academy in the Hidden Leaf. He might use his unique ninja skills to bring a new perspective to police work. For example, his shadow clone jutsu could be used for surveillance or crowd control. Another idea is that a character from the Police Academy discovers Naruto's secret ninja world and has to adapt to it while also trying to keep the peace in the village.
A great plot idea for a Naruto x Hinata academy fanfiction is that there's a new teacher at the academy who has a grudge against Naruto. Hinata stands up for him and they end up having to work together to prove Naruto's worth. Also, it could be about a competition at the academy where the winning pair gets a special prize. Naruto and Hinata team up and face various challenges, both physical and emotional, during the competition and their relationship blossoms through it.
One idea could be a story about a new student at the ninja academy who has a unique and secret jutsu that no one else knows about. This student tries to keep it hidden while also trying to fit in with the other students like Naruto and Sasuke.
One idea could be that Naruto and Hinata are paired for a special project at the academy. They start off awkwardly but as they work together, they discover new things about each other and their feelings begin to grow. For example, Naruto realizes Hinata's hidden strength and Hinata sees Naruto's determination in a new light.
One idea could be that the academy instructor discovers Naruto has a unique and previously unknown ninja ability during a special training session. This could lead to a special mentoring relationship where the instructor helps Naruto develop this ability further.
A plot idea could be that Naruto and Sakura are paired up for a special project in the academy that involves exploring an old, abandoned part of the school grounds. They discover some secrets about the founders of the academy and in the process, they overcome their initial differences and become closer friends.
Perhaps the fanfiction could be about a baby that is the result of a time - travel accident within the Umbrella Academy world. The baby has a mix of powers from different eras and the academy members have to figure out how to deal with this unique situation. They might have to teach the baby how to control its powers while also protecting it from those who fear its abilities.
One interesting plot could be the main character going back in time and using modern knowledge to change the outcome of some key battles in the Naruto universe. For example, they could introduce new jutsu combinations or strategies.
One idea could be Naruto teaching the academy students some unique ninja skills in a non - combat, more theoretical way. For example, he could be showing them how to analyze different terrains for better mission planning. Another could be Naruto sharing his experiences of traveling outside the village with the students, inspiring them to dream big about their future ninja adventures.
One idea could be that Cynder and Spyro are on a mission together in a new, uncharted part of Skylands. They face various challenges that test their relationship and individual skills. For example, they might have to cross a dangerous swamp filled with tricky magical traps. This would force them to rely on each other more than ever.
A plot could revolve around Sesshomaru being intrigued by Naruto's determination. Sesshomaru decides to train Naruto in some of his own combat techniques, which Naruto adapts to his own fighting style. In return, Naruto shows Sesshomaru the value of friendship and loyalty within a village. This could lead to Sesshomaru having a change of heart about his own solitary ways. Also, they could team up to face a common foe from Sesshomaru's world that has somehow entered the Naruto universe.