A great plot would be if they all time - travel back to their childhood days. Sasuke could use his knowledge of the future to prevent certain tragedies, Naruto would try to befriend everyone even earlier, and Sakura could focus on improving her skills from a younger age. This would also change their relationships in interesting ways. Also, a plot where they all get stranded on an unknown island and have to survive together while also dealing with their personal issues could be really interesting.
There could be a fanfiction where Sasuke decides to train Sakura intensively in a new form of combat that he learned during his travels. Naruto joins in as well to learn and to support Sakura. This training not only strengthens their skills but also deepens their bonds. Or perhaps a story where they are all chosen to represent the village in an international ninja tournament and they have to work together to win against some really tough opponents.
One interesting plot could be a story where Sarada discovers a hidden lemon grove that has some sort of special chakra. Sasuke and Sakura then join her to explore its secrets. Maybe the lemons have the power to heal or enhance their ninja abilities in unique ways.
A common plot in such fanfiction is Sasuke and Sakura's relationship being tested. For example, rumors start spreading in the village about Sasuke's loyalty again. Sakura has to defend him while also dealing with her own doubts. Or perhaps there's a plot where a powerful ninja from another village falls in love with Sakura. Sasuke then has to show his love for Sakura in a more obvious way to keep her by his side. This can lead to some really interesting character development and relationship - building moments.
Rather than seeking lemon fanfictions (which usually contain adult - themed and non - official content), you could look for adventure - based fanfictions with Naruto, Sasuke and Sakura. There are some really good ones where they face new threats together, and Sasuke has to fully trust Naruto and Sakura again after his time away. These stories can be really exciting as they build on the original story's themes of loyalty and redemption.
One interesting plot could be a story where Sasuke and Sakura have a child, and Naruto and Kakashi become like uncles to the child. They all live in the same village and face new threats together, with the new generation learning from the old. For example, the child might inherit Sasuke's sharingan and Sakura's medical skills, and Naruto and Kakashi help train the child to be a great ninja.
Perhaps a plot where Sakura discovers a long - hidden secret about Sasuke's past during their travels together in the Naruto Gaiden fanfic. This could lead to a deeper understanding between them and some emotional moments.
One interesting plot could be their adjustment to domestic life. Sasuke, who has been a lone wolf for so long, learning to share his space and emotions with Sakura. Another could be them raising a family together, with Sasuke teaching their kids ninja skills and Sakura instilling medical knowledge.
One interesting plot could be Sasuke and Sakura getting separated during the war and having to find their way back to each other while facing numerous challenges. They might encounter powerful enemies that test their skills and their bond.
One possible plot could be Sasuke returning to Sakura after a long and dangerous mission. He realizes how much he has missed her and they start to rebuild their relationship. They might go on dates and do simple things like having dinner together or taking walks in the village.
One interesting plot could be Sasuke and Sakura working on a high - stakes project together in the office. They start off clashing due to their different work styles but gradually learn to complement each other. For example, Sasuke's precision and Sakura's creativity combine to make the project a huge success.
In this type of fanfiction, a great plot could be that Sakura and Sasuke are on a journey to find a cure for a strange illness that is affecting the ninja world. Along the way, they face many challenges. They might have to deal with enemy ninjas who want to stop them because they fear the power the cure could bring. Their relationship also evolves during this journey, as they rely on each other more and more, and Sakura's strength and Sasuke's cold exterior start to change as they get closer to their goal.