A different story could be them traveling the world together. They visit different villages and learn about new cultures and techniques. Along the way, they meet old friends and foes. This journey would strengthen their bond as they rely on each other for support and protection in unfamiliar places.
In some fanfictions, Sasuke might be in a situation where he has to choose between his goals and Sakura. His choice could end up hurting her. For instance, he decides to go on a very dangerous mission alone, knowing that Sakura is deeply in love with him and would be worried sick. His disregard for her feelings in this case is a form of emotional hurt. Also, there could be a scenario where Sasuke is forced to fight against Sakura in a misunderstanding, and his superior skills end up causing her serious injuries.
One possibility could be a story where they go on a mission together and during the mission, they face many difficulties. Naruto's optimism, Sasuke's strength, and Sakura's medical skills all contribute to their success. As they overcome each obstacle, they grow closer and form a stronger bond. They start to understand each other better and rely on one another more than ever before.
One possible storyline could be that Sakura is injured during a battle. Maybe she's protecting someone and takes a hit that leaves her seriously wounded. Her friends then have to find a way to heal her while also dealing with the threat that caused the injury.
One possible storyline could be that Sakura realizes Sasuke is too consumed by his revenge and she decides to focus on herself. She might start training harder to become a better ninja in her own right, perhaps specializing in medical ninjutsu even more. This could lead to her making new friends and allies within the village, and she could end up being a key figure in Konoha's development, without Sasuke in the picture.
In this fanfiction, it could be that Sasuke returns to the village and he and Sakura start to build a life together. Their friends are happy for them, and then Sakura becomes pregnant. The story might explore how the news affects their friends and family, and also how Sasuke and Sakura grow as a couple during this time.
A third storyline could be about the relationships within the village. The news of Sasuke and Sakura's pregnancy spreads, and the whole village is excited. Naruto, as Sasuke's friend, could be very involved, offering his support and also joking about how their kids will grow up together. The fanfiction could explore how the village prepares for the arrival of Sarada, with people bringing gifts and sharing their own stories of parenthood. Meanwhile, Sasuke and Sakura are just enjoying this special time together, despite any external pressures.
One possible storyline could be Sakura having to fend for herself on the streets. She might use her medical ninjutsu skills to help other homeless people in exchange for food or shelter. Another could be her trying to find a way back to her village while facing the hardships of being homeless, like dealing with thugs or harsh weather.
One possible storyline could be Sakura's journey to discover her true family roots. Maybe she finds a hidden diary or an old family heirloom that gives her some clues and she sets off on an adventure to find out more about her parents. Along the way, she could meet new friends or mentors who help her in her quest.
One possible storyline could be that it's a result of some strange jutsu gone wrong that binds their fates in this unexpected way. They then have to deal with the reactions of their friends and foes alike. For example, Naruto might be shocked at first but then supportive, while Sasuke could be more conflicted given his relationship with Itachi.
A storyline could involve a time - travel element. Naruto, Sasuke, and Sakura are sent back in time and find themselves in a situation where they have to get married to change the future. They start off as reluctant partners but as they spend more time together in the past, they develop real feelings for each other. They also have to hide their relationship from their past selves and other characters while trying to figure out how to change the future.