One possible plotline could be that Naruto's son is kidnapped by an old enemy seeking revenge. Naruto then embarks on a journey filled with self - doubt as he struggles to find his son. He may have to face his own past mistakes and enemies he thought were long gone.
Maybe his son gets lost in a mysterious dimension. Naruto, with the help of his friends, tries to figure out how to enter that dimension. Along the way, they discover some long - hidden secrets about the ninja world that might be related to his son's disappearance.
Another plot could be that Naruto's son runs away due to feeling overshadowed by Naruto's fame. Naruto has to search for him while reflecting on his role as a father. He might have to face the fact that he hasn't been as present in his son's life as he should have been.
One possible plotline could be Naruto's struggle to adapt to his new disability. He might have to relearn his ninja skills, like how to fight and perform jutsus with only one arm. This could lead to him developing new and unique techniques that rely more on his chakra control and his legs for mobility.
Well, a plot could involve Naruto facing challenges related to his new identity as a Senju. There could be those who oppose him having the Senju blood, perhaps out of jealousy or fear of his growing power. He might have to prove himself worthy of the Senju name. Also, his friendship with Sasuke could take on a new dimension. Since Sasuke is an Uchiha, there could be an interesting dynamic between the two clans' legacies within their friendship. Naruto could use his Senju powers to try and bridge the gap between the Uchiha and the rest of the village, as the Senju were often associated with peace - building in the past.
One possible plotline could be that Harry loses Malfoy in a dangerous magical maze. Maybe they were on a joint mission for some reason, like to retrieve a powerful magical artifact. And Malfoy, being his usual self, wanders off and gets trapped in a hidden part of the maze. Harry then has to deal with his guilt of losing Malfoy while also trying to find a way to rescue him.
One possible plotline could be Naruto having to relearn all his ninja skills with only one arm. He might struggle at first but then discover new ways to perform jutsus, like using his legs more for balance and chakra control. Another could be his friends trying to find a way to restore his arm, leading them on a dangerous journey to find a rare artifact or a powerful healer.
A possible plotline could be that Naruto's mom and aunt discover some hidden power within Naruto that they need to help him control. They then train him in secret to master this power without the knowledge of the village at first.
One possible scenario could be that Naruto makes a huge mistake in their relationship. Maybe he's so focused on his duties as Hokage that he neglects Hinata's feelings. He might start taking her for granted, not spending enough time with her or not being there for important moments in her life.
Perhaps there could be a plot where Naruto's twin sister gets into some kind of trouble, like being kidnapped by an enemy ninja clan. Naruto then goes on a desperate mission to rescue her. During this time, he realizes just how much she means to him. He uses all his skills and the power of his friends to get her back, and in the end, their bond becomes even stronger.
One possible plotline could be Naruto growing up with his uncle and learning different jutsu from him. His uncle might have a unique style of teaching that helps Naruto develop his skills faster. Maybe his uncle also has some secrets about Naruto's family that he gradually reveals as Naruto gets older.
One possible plotline could be that Naruto's family is in a difficult situation and they believe they can only support his sister. So, Naruto is left on his own. He then has to struggle to survive in the ninja world without the support of his family. He might become more independent and self - reliant, forging his own path.
One possible plotline could be Naruto discovering his true heritage as Revan's son and having to deal with the new powers that come with it. Maybe he has some latent Force abilities in addition to his chakra.