One possible plot could be that Naruto, as Cersei's son, grows up in the world of Westeros. He might have to deal with the political intrigue and power struggles there. Since Naruto is known for his determination, he could try to bring about change in the often - cutthroat world of Westeros, perhaps using his ninja skills in a new and unexpected way.
Well, in this fanfiction, Naruto being Cersei's son could mean he has a very complex relationship with his mother. Maybe he doesn't agree with her power - hungry ways. He could end up forming alliances with some of the more honorable characters in Westeros, like Jon Snow or Tyrion Lannister. His upbringing in Westeros would be very different from his original Naruto world, but his core values of friendship and justice might still shine through.
A plot might involve Cersei seeing Naruto's ninja skills and believing he could be a useful asset in her power games. However, Naruto refuses to be used for immoral purposes. As they interact more, Naruto starts to make Cersei question her own actions and the cycle of revenge and power - seeking that has consumed her life. For example, Naruto might tell her about how he forgave his enemies in his own world, which is a completely alien concept to Cersei.
The plot could involve Naruto using his shadow clone jutsu to keep an eye on Cersei at all times. He might start off as a reluctant guard, but as he gets to know Cersei's backstory and the complex politics of Westeros, he begins to understand her better. He could use his Rasengan to fend off attackers, and his chakra control to sense any approaching danger. Cersei, in turn, might initially be suspicious of Naruto but gradually come to rely on him as a true protector.
Perhaps a plot where Cersei, in a moment of desperation, summons Naruto using some dark magic. She hopes he can help her against her enemies. Naruto, being Naruto, wants to find a more peaceful solution. This leads to a series of events where Naruto has to navigate the political minefield of Westeros while also trying to reform Cersei's ways.
The plot of a 'naruto is cersei's son fanfic' might involve Naruto being an outcast in Westeros due to his different appearance and abilities. Cersei might initially be ashamed of him but later realizes his potential. Naruto would have to navigate the complex social hierarchy of Westeros. He could introduce concepts like chakra and ninjutsu, which would be completely foreign to the people there. His friendship with characters like Tyrion could be a key part of the story as they both are different from the norm in their own ways. And he might end up in a battle to save Westeros from a great evil, using his Naruto - like determination and skills.
The plot could be that Naruto is sent back in time to a pre - historic world where Cersei also exists. Naruto, with his ninja skills, has to survive in this caveman - like setting while dealing with Cersei's schemes.
One possible plot could be that their marriage is arranged for political gain. Cersei uses her wits and charm to try and gain more power within the new union, while Rhaegar is more focused on some grander vision for Westeros. Their relationship is full of tension as they have different goals.
One possible plot could be a political alliance that forms between Cersei and Ned. They might initially be at odds but gradually come to respect each other's political acumen. They could work together to fend off common enemies in King's Landing, and in the process, their relationship could develop into a complex mix of friendship and something more, with both having to navigate the tricky waters of loyalty to their respective houses.
One possible plot could be the son growing up in the shadow of his mother's power-hungry ways. He might struggle with the expectations placed on him due to his family name. For example, he could be groomed to be a political pawn but secretly desires a more peaceful life away from the power struggles of King's Landing.
One possible plot could be that their son discovers the truth about his parents' tumultuous relationship. He might struggle with the knowledge that his mother had affairs and his father was not the ideal man he seemed. This could lead him on a journey of self - discovery, trying to figure out his place in the Seven Kingdoms.
In a 'naruto son of bellatrix fanfiction', perhaps Naruto has some of Bellatrix's wild and unpredictable nature. He could be on a journey to discover his true identity and how he came to be Bellatrix's son. This might lead him to explore the secrets of the wizarding world and his own ninja abilities in a new light.