Another idea is that there is a prophecy related to Naruto's mother and Tsunade. They are both key figures in a greater plan for the Hidden Leaf Village. In the fanfiction, as Naruto grows, he uncovers this prophecy bit by bit, which was hidden by Tsunade for his own protection. This leads to a journey where Naruto has to understand his mother's past through Tsunade and fulfill the prophecy.
One possible storyline could be that Naruto's mother somehow has a connection to Tsunade before she passed away. Maybe she entrusts Tsunade with a secret mission related to Naruto's future. Tsunade then has to keep an eye on Naruto in a more personal way because of this connection.
One possible storyline could be Naruto's training as Tsunade's heir. He would have to learn all the ins and outs of medical ninjutsu. There could be a lot of focus on his relationship with Tsunade, how she mentors him. Another storyline might involve Naruto using his new status as Tsunade's heir to gain more respect in the village. He could also use his medical skills to help in missions that require both combat and healing abilities.
One possible storyline could be that Naruto discovers a new power or ability that gives him a certain level of authority or influence over Tsunade. For example, he might unlock a special jutsu that can control the actions of others to a limited extent, and this affects Tsunade.
Their relationship could start with Naruto being curious about Tsunade's mother. He might start asking Tsunade a lot of questions, which could initially annoy her but later she realizes Naruto's genuine interest. Then, they could find common ground in their love for the village. Naruto's determination to protect the village might remind Tsunade of her mother's similar qualities.
Perhaps in this fanfiction, Naruto's death was sudden and unexpected. His friends are left in shock and disbelief. Sakura, Sasuke, and the others struggle to come to terms with it. They might be the ones in charge of arranging the funeral. Sasuke could be feeling a great deal of guilt, thinking he should have been there to protect Naruto. And the funeral could be a time for them to finally start to heal, while also commemorating Naruto's life and all he did for them.
One possible reason could be a misunderstanding. Maybe Tsunade received some false information about Naruto that made her think he was a threat to the village, so she took actions that ended up hurting him.
A possible storyline could be that Fem Harry is on a quest to find a new home after the destruction of her own world. She arrives in the Naruto universe and is initially seen as an outsider. However, her kind heart and magical abilities earn her respect. She meets Naruto's father - to - be during a battle where she uses her magic to turn the tide. They fall in love, and she becomes Naruto's mother. Simple yet effective.
Another plotline might be that Tsunade is affected by some kind of dark magic or genjutsu that makes her turn against Naruto. Naruto, realizing it's not really Tsunade's fault, still has to fight her to try and break the spell. He could call upon his friends for help, but in the end, it's his determination and his bond with Tsunade that helps him reach her and break the control.
One possible plotline could be that Naruto leaves with Tsunade on a mission to find a rare herb that is said to have the power to heal any wound. Along the way, they face various enemies who also want the herb for their own malicious purposes. Naruto's skills and Tsunade's wisdom would be put to the test as they battle their way through.
Naruto might be longing for a motherly figure in his life. He has always been alone and has seen how others have mothers. Tsunade, being a strong and caring woman in the village, could be someone he looks up to and wishes to have as a mother.
One possible plotline could be Naruto growing up with a different set of skills influenced by Tsunade. Since Tsunade is known for her medical ninjutsu and super strength, Naruto might have an earlier inclination towards medical skills. He could be trained in a more balanced way between combat and healing. For example, in battles, he not only uses his regular jutsu but also heals his comrades instantly on the spot. Another aspect could be the political influence. Tsunade being an important figure in the village, Naruto might have a different standing in the village hierarchy from the start and face different kinds of challenges related to leadership and decision - making.