In this fanfiction, the plot could also center around Naruto trying to understand the Gremory family's history and secrets. As he delves deeper, he discovers things that could change the future of the family. He might also have to deal with enemies from both the Naruto universe and the Gremory universe who are out to stop him from becoming a successful heir. He would need to use his quick thinking and combat skills to protect himself and the family.
There might also be some original characters created specifically for this fanfiction. For example, a character who was once an outcast in the Gremory family but becomes Naruto's closest ally. Or a powerful enemy who has a vendetta against the Gremory family and sees Naruto as an easy target since he's new to the family.
The plot might involve Naruto being shunned by the Gremory family or their associates. This could lead to Naruto having to find his own path. He could encounter other outcasts or those who also feel neglected. Together, they might form an alliance to change the perception of the Gremory family towards them or to simply make a place for themselves in this world that seems to not want them.
The plot could involve Naruto being magically transported to the Harry Potter world and being recognized as the heir of Gryffindor. He then has to learn about magic while also dealing with the politics and power struggles in that world. At the same time, his ninja skills might give him an edge in certain situations, and he has to find a way to combine his two identities.
Well, it could be about Naruto discovering he has some sort of divine heritage. Maybe he inherits special powers from a god. He might have to face new enemies who are after his new - found godly powers.
One possible plot could be Naruto discovers his new heritage as Sesshomaru's heir. He then has to learn about the ways of the Inuyasha world while still dealing with his own ninja world problems.
Well, it could be about Naruto discovering his connection to the Whirlpool clan and inheriting some special power or legacy from it. Maybe he has to face challenges related to this newfound heritage.
Well, it could be about Naruto having some sort of connection to Lucifer. Maybe he inherits some of Lucifer's powers and has to deal with the consequences. For example, he might struggle with the dark nature of those powers while still trying to protect his village.
Well, it could be about Naruto inheriting the power and secrets of the League of Shadows. Maybe he has to face new enemies that are related to the League's past misdeeds. He might also struggle with the darker aspects of this inheritance while still trying to uphold his own values.
Well, it could focus on Naruto exploring his Uzumaki heritage more deeply. Maybe he discovers ancient Uzumaki jutsu or artifacts that give him new powers.
Well, one possibility could be that Naruto discovers he has a special connection to all the clans. Maybe he starts to learn unique jutsus from each clan and uses them to bring peace to the ninja world.