Well, a possible plot in this Naruto time travel Kushina harem fanfiction could be that Naruto goes back to a time when Kushina was young. He starts training with her and other ninjas of that era. His unique skills and knowledge from the future make him stand out. As he spends more time with Kushina and her friends, they start to develop feelings for him. Maybe he introduces new jutsu or ways of thinking that impress them so much that they all end up in this sort of harem - like relationship with Naruto.
One idea could be that Naruto travels back in time and tries to save Kushina from her tragic fate. In the process, he accidentally creates a harem situation where various characters are attracted to him due to his future knowledge and his determination to change things. Another plot could involve Naruto using his time - traveling abilities to prevent certain events that led to the chaos in the ninja world, and as he does so, he forms deep bonds with different characters, including those in Kushina's circle, which gradually turns into a harem - like scenario.
One plot idea could be that Naruto time - travels back to the early days in the village. Sakura, being the center of a harem, has different ninja from different clans vying for her attention. Naruto, with his knowledge of the future, tries to navigate this new dynamic while also protecting Sakura from potential threats within the harem. Another could be that Sakura herself time - travels and has to deal with a harem that forms around her in the past, where she has to balance her own goals and the feelings of those in her harem.
A different plot could involve Naruto traveling back and finding that Sakura has a completely different personality in this harem - set - up. She could be more confident and forward, which catches Naruto off - guard. He then has to adapt to this new Sakura while also exploring his relationships with the other members of the harem. This could lead to some comical and also some very heart - felt moments as he discovers new sides of his friends and potentially falls in love in a whole new way.
One idea could be that Minato and Kushina travel back to the time when the Hidden Leaf Village was first founded. They could use their modern - day knowledge and skills to help shape the village in new ways, like introducing new jutsu training methods. Another could be that they go back to a time when a great war was about to start and they use their powers to prevent it, thus changing the future of the ninja world.
One idea could be that they travel back to a crucial moment in the history of the ninja world and change some small events that end up having a huge impact on the future. For example, they prevent a certain battle from happening too early, which gives the ninja villages more time to prepare for a bigger threat that was coming later.
In some 'naruto and kushina time travel fanfiction', a cool plot point is Naruto and Kushina teaming up in the past. They could use their combined skills to change certain events. For example, they might be able to prevent some of the tragedies that occurred in the original story, like the Uchiha massacre. Naruto could use his knowledge from the future, and Kushina with her strong chakra, would be a great duo.
One idea could be that Naruto travels to a dimension where all the female characters from different Naruto arcs are united. They all fall for his unique charm and his skills as a ninja. He has to balance his new relationships while also finding a way back to his own dimension.
A third plot idea is a crossover where Kushina enters a world that combines Naruto elements with elements from a post - apocalyptic setting. She has to use her ninja skills to survive in this harsh new world. Maybe there are new types of chakra - based threats or she has to find a way to restore order using her leadership skills. This would put her in a completely different situation compared to what she's used to in the normal Naruto world and force her to adapt and grow in new ways.
One idea could be exploring Kushina's life before Naruto was born in more detail. Maybe show her training as a jinchuriki and how she met Minato. Another could be a story where Naruto discovers a hidden journal of Kushina's that reveals family secrets and advice for him.
Well, perhaps Demon Naruto has some sort of special connection to Kushina that is related to his demonic powers. For example, her Uzumaki bloodline might be the key to controlling or understanding his demonic side better. And they could go on a journey to discover the secrets of his powers together.
Another plot could be a 'what - if' scenario. What if Kushina didn't die? Naruto grows up with his mother around. The story could explore how Kushina helps Naruto train, not just in ninjutsu but also in understanding his Uzumaki heritage. It could also show how their relationship affects Naruto's relationships with others in the village, like how he might be more confident with Kushina's support.