What are the possible plotlines in a 'Naruto brother of Madara fanfiction'?

One possible plotline could be Naruto being influenced by Madara's ideology and starting to question the traditional ways of the Hidden Leaf. He might start to think that a more forceful approach is needed to achieve true peace, similar to Madara's view. Another plotline could be Naruto somehow inheriting some of Madara's powers or abilities and having to deal with the consequences. This could lead to a power struggle within himself as he tries to balance his own nature with the new - found Madara - like qualities.

One possible plotline could be Naruto discovers Madara's past in great detail and starts to admire his strength and the vision he once had for the ninja world. He might study Madara's fighting techniques and incorporate some of his strategies into his own combat style. For example, Naruto could be intrigued by Madara's use of the Sharingan and try to find ways to counter it more effectively based on understanding Madara's own approach.

In this fanfiction, Naruto might join Madara because of some sort of time - travel or alternate reality situation. He could find himself in a world where Madara's actions seem more justifiable. Naruto, being Naruto, would still strive for peace. So he might try to guide Madara towards a more peaceful solution while being part of his group. This could create a really unique dynamic where Naruto is constantly trying to nudge Madara in the right direction while also dealing with the other members of the group who may not be as open to change.

One possible plotline could be Naruto being transported to the Fairy Tail world and finding out he has a sister in Erza. They then team up to fight common enemies. Another could be that they discover their connection later in life and have to deal with the shock of having a long - lost sibling from another world.

One possible plotline could be that they discover their relation and then Naruto becomes overprotective of Sakura. Another could be that they have to face some family secrets together. Maybe there's a hidden power in their family that only they can unlock as siblings.

One possible plotline could be that they are forced into a situation where they have to be together, and over time, feelings develop and Sakura gets pregnant. Another could be a magical or alternate universe situation where their relationship is different from the original Naruto story, leading to her pregnancy.

One possible plotline could be that Naruto somehow gets transported to the world of Bayonetta. And as her brother, he has to learn about her world while also trying to find a way back to his own. Along the way, he might use his ninja skills in combat situations in Bayonetta's world.

One possible plotline could be Naruto having to deal with the memories and powers of Madara suddenly awakening within him. He might struggle to control the dark and power - hungry side of Madara that comes with the reincarnation. This could lead to a conflict within the Leaf Village as they see Naruto changing.

One possible plotline could be Naruto facing unique challenges due to his Uchiha heritage. For example, he might have to deal with the stigma that the Uchiha clan had in the village, while also trying to live up to the legacy of Madara. Another could be that his Sharingan powers develop in a new and unexpected way, leading to new jutsu and abilities. Maybe he discovers some long - lost Uchiha secrets that give him an edge in battles against powerful foes.

One possible plotline could be that Madara's great - grandson discovers a hidden power within himself. Maybe he finds an ancient scroll left by Madara that contains a unique jutsu. He then has to train hard to master this jutsu while also facing off against new enemies who want the power for themselves.