Maybe a fanfiction where the mothers come back to life for a short time. Naruto and Sakura get to experience a mother - child relationship they never had. Their mothers could offer advice on their ninja training and personal lives. For example, Naruto's mother could teach him more about his Uzumaki heritage and Sakura's mother could give her tips on how to be a better medic - ninja.
Another plot could be that the baby gets lost in a mysterious ninja realm. Sakura and Naruto then have to embark on a dangerous journey to find their baby. Along the way, they face numerous challenges and also learn more about each other's love for their child and for each other.
One idea could be that Naruto and Sakura have a traditional Japanese - themed wedding. All their friends from the village come to celebrate. There are cherry blossoms everywhere as a nod to Sakura's name. Another could be a wedding where they face some last - minute threats from old enemies who try to disrupt the ceremony but their friends and their love for each other help them overcome it.
One idea could be Naruto using his newfound power to protect Sakura from a powerful, hidden enemy. Maybe an ancient evil has emerged and Naruto has to fight it while also trying to keep Sakura safe, which could lead to some sweet, protective moments between them.
One idea could be that Sakura's yandere tendencies lead her to try and isolate Naruto from his other friends. She might start by spreading rumors about them to Naruto, causing some initial confusion and rifts in his relationships.
One idea could be that Sakura becomes Hokage first. Naruto goes on a long-term mission and during his absence, Sakura steps up and proves herself as a great leader. She implements new medical ninja programs in the village. When Naruto returns, he is proud of her and they work together to make the village even better.
One idea could be that Sakura discovers a new medical jutsu that can heal not only physical but also mental wounds. She uses it on Naruto when he's struggling with the trauma of his past. Another plot could involve Sakura helping Naruto train in a new form of chakra control that combines his Uzumaki and Sage of Six Paths powers.
Perhaps the mafia is involved in a plot to steal ancient ninja artifacts that hold great power. Naruto and Sakura are assigned to protect these artifacts but end up having to infiltrate the mafia to find out who's behind the plan. Along the way, they face challenges like betrayal from within the mafia ranks that they thought they could trust, and they have to rely on each other's skills and their bond as teammates to succeed.
One idea could be Naruto and Sakura Namikaze going on a mission together to a far - off land. They encounter strange creatures and have to use their combined skills to survive. Another could be a story where they time - travel back to the early days of Konoha and have to prevent a major disaster from happening.
In a fanfiction, there could be a story where a mysterious enemy targets Sasuke, Naruto and Sakura specifically because of their unique bond. The three of them then have to go into hiding and figure out who the enemy is and what they want. Along the way, they rely on each other's strengths and grow even closer as friends.
In a highschool fanfiction, Naruto could be the new student who is a bit of an outcast because of his rowdy behavior. Sakura, on the other hand, is one of the popular students. But when Naruto saves Sakura from some bullies, she starts to see him in a new light. This could lead to a series of events where they become closer and Sakura helps Naruto fit in better at school.