A plot could be that a powerful Senju - related artifact chooses Naruto as its wielder. This artifact unlocks his latent Senju abilities. With these new abilities, Naruto has to face a new threat that is specifically targeting the Senju heritage. Along the way, he uncovers more about the Senju clan's history and how it is intertwined with the fate of the ninja world.
The plot could involve Naruto being reincarnated as a Senju in a past life. As he starts to remember bits of this past life, he gains access to Senju powers and knowledge. He uses this to not only better himself but also to bridge the gap between the different ninja clans in Konoha. For instance, he might use his Senju - related knowledge to resolve long - standing disputes between the Uchiha and the rest of the village.
One possible plot could be that Naruto discovers he has Senju blood through some hidden family secret. He then has to deal with the implications of this new identity while still trying to achieve his goal of becoming Hokage.
One main plot idea could be Naruto discovering his Senju heritage. Maybe he finds out he has some long - lost connection to the Senju clan, which changes his perception of himself and his place in the ninja world. Another could be Naruto using Senju - related jutsu or powers that he didn't know he had before.
One possible plot point could be that the sun prophet, who is from the Senju clan, foresees a great danger coming to the ninja world. So, they start a journey to gather allies and prepare for the upcoming threat.
One plot idea could be Tobirama's early days as a ninja. Explore his training, his relationship with his brother Hashirama, and how he developed his unique jutsu. Another could be a time - travel story where a modern - day Naruto character gets sent back in time and has to interact with Tobirama. Or perhaps a story where Tobirama has to deal with a powerful new enemy that challenges his beliefs and leadership.
Another aspect to explore in the fanfic is Naruto Senju's relationship with the other villages. Given his Senju heritage, there might be different expectations and tensions. He could work towards a more equal - footed relationship with other villages, instead of the traditional power dynamics. This would involve a lot of diplomatic meetings and negotiations, which could be full of drama and intrigue.
I'm not sure it's a widely popular fanfic type. There are so many different directions fanfictions in the Naruto universe can take. Some are centered around the Akatsuki, others on the Uchiha clan, and so on. The idea of Naruto being a Senju fanfic might not be as mainstream as those. But it could have a dedicated following among those who like to explore unique takes on the Naruto story.
Love and relationships are common themes. Since it's a harem concept, the development of Naruto's relationships with the Senju characters is central. For instance, the growth of romantic feelings and how they deal with jealousy among the harem members.
In some 'naruto senju fanfic' stories, a Senju could be reincarnated in a different era of the Naruto world. This reincarnation would bring with it memories and skills from the past. The character then has to adapt to the new era, which may have different rules and threats. They could use their Senju knowledge to make a significant impact on the new world they find themselves in.
The plot could involve the drunk Senju trying to prove his strength to the younger generation. He might challenge some of the up - and - coming ninjas, like Naruto and his friends, to a friendly spar while drunk. This would create a humorous situation as the Senju stumbles around but still shows flashes of his great power.
Well, it could start with Naruto being on the verge of graduation from the ninja academy. He then uncovers a hidden connection to the Senju clan. This revelation could cause a stir in the village. His friends might react with a mix of surprise and support. As he graduates, he could start to train in Senju - specific jutsu, which might be different from what he has learned before. This could also attract the attention of enemies who see him as a threat because of his new Senju - related powers. And he would have to balance his new identity with his old goals of becoming Hokage.
Well, it could be about Naruto and Yugito forming an unexpected alliance. Maybe they discover a common threat to the Hidden Cloud and Leaf villages. They combine their unique skills, Naruto with his Rasengan and Yugito's ability with the Two - Tails. Along the way, they might also uncover secrets about the Senju clan that are relevant to their mission or to the overall shinobi world.